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1

A waterjet mining machine for use in room and pillar mining operations. [Final report  

SciTech Connect

A new mining machine is constructed for use in room and pillar mining operations. This machine uses the action of computer controlled, centrally located high pressure cutting lances to cut deep slots in a coal face. These slots stress relieve the coal ahead of the machine and outline blocks of coal. The movement forward of the machine then wedges up the lower block of coal. This wedging action is assisted by the gathering arms of the loader section of the machine, and by underlying oscillating waterjets which create a slot ahead of the loading wedge as it advances. Finally the top section of coal is brought down by the sequential advance of wedge faced roof support members, again assisted by the waterjet action from the central cutting arms. The machine is designed to overcome major disadvantages of existing room and pillar mining machines in regard to a reduction in respirable dust, the creation of an immediate roof support, and an increase in product size, with concomitant reduction in cleaning costs.

Summers, D.A.

1990-06-01

2

Stirling machine operating experience  

SciTech Connect

Numerous Stirling machines have been built and operated, but the operating experience of these machines is not well known. It is important to examine this operating experience in detail, because it largely substantiates the claim that stirling machines are capable of reliable and lengthy operating lives. The amount of data that exists is impressive, considering that many of the machines that have been built are developmental machines intended to show proof of concept, and are not expected to operate for lengthy periods of time. Some Stirling machines (typically free-piston machines) achieve long life through non-contact bearings, while other Stirling machines (typically kinematic) have achieved long operating lives through regular seal and bearing replacements. In addition to engine and system testing, life testing of critical components is also considered. The record in this paper is not complete, due to the reluctance of some organizations to release operational data and because several organizations were not contacted. The authors intend to repeat this assessment in three years, hoping for even greater participation.

Ross, B. [Stirling Technology Co., Richland, WA (United States); Dudenhoefer, J.E. [Lewis Research Center, Cleveland, OH (United States)

1994-09-01

3

Study of an Audio Playback Machine Storage, Distribution, and Repair System. Options for Machine Operation. Study II, Part 1, Phase 2, Final Report.  

ERIC Educational Resources Information Center

This report presents the results of a management study of audio playback equipment operations conducted by the National Library Service, Library of Congress, its associated network of state and local machine lending agencies (MLA), and other parties that play a role in current operations. The objectives were to document current operations

ManTech Technical Services Corp., Fairfax, VA.

4

Operating the Lisp Machine  

E-print Network

This document is a draft copy of a portion of the Lisp Machine window system manual. It is being published in this form now to make it available, since the complete window system manual is unlikely to be finished in the ...

Moon, David A.

5

Standard Operating Procedure (SOP) -Milling Machine  

E-print Network

Standard Operating Procedure (SOP) - Milling Machine · Keep all guards in place while operating the machine. · While operating the milling machine allow no one else to touch it. · Keep hands away from moving cutting tools. · Do not make measurements of the stock while the milling machine is powered. · Do

Veiga, Pedro Manuel Barbosa

6

TEACHING MACHINE STUDY. FINAL REPORT.  

ERIC Educational Resources Information Center

IN AN INVESTIGATION OF THE POTENTIAL OF TEACHING MACHINES IN THE JOB CORPS MATHEMATICS PROGRAM, EXISTING JOB CORPS ARITHMETIC MATERIAL WAS PREPARED FOR INSTRUCTION BY MACHINE AND PROGRAMED TEXT, AND THEN FIELD TESTED. REVISIONS WERE MADE, AND A PROGRAMED MANUAL FOR INSTRUCTORS WRITTEN, AFTER WHICH A NEW FIELD TEST WAS RUN. IN THE INITIAL FIELD…

EVCO, Albuquerque, NM.

7

30 CFR 18.61 - Final inspection of complete machine.  

...2014-07-01 false Final inspection of complete machine. 18.61 Section 18.61 Mineral Resources... § 18.61 Final inspection of complete machine. (a) A completely assembled new machine or a substantially modified design...

2014-07-01

8

30 CFR 18.61 - Final inspection of complete machine.  

Code of Federal Regulations, 2013 CFR

...2013-07-01 false Final inspection of complete machine. 18.61 Section 18.61 Mineral Resources... § 18.61 Final inspection of complete machine. (a) A completely assembled new machine or a substantially modified design...

2013-07-01

9

30 CFR 18.61 - Final inspection of complete machine.  

Code of Federal Regulations, 2011 CFR

...2011-07-01 false Final inspection of complete machine. 18.61 Section 18.61 Mineral Resources... § 18.61 Final inspection of complete machine. (a) A completely assembled new machine or a substantially modified design...

2011-07-01

10

30 CFR 18.61 - Final inspection of complete machine.  

Code of Federal Regulations, 2012 CFR

...2012-07-01 false Final inspection of complete machine. 18.61 Section 18.61 Mineral Resources... § 18.61 Final inspection of complete machine. (a) A completely assembled new machine or a substantially modified design...

2012-07-01

11

Operators' physical strain in operating the high proficient forestry machines  

Microsoft Academic Search

This study was undertaken to assess physical strain during work in forestry workers operating high quality forestry machines.\\u000a The types of machine used in this study consisted of harvesters, processors, tower yarders, forwarders and excavators. Characterization\\u000a of labor load in operation of these five types of machine and fatigue sensation in operators was attempted mainly from the\\u000a physical burden inflicted

Koki Inoue; Hiroshi Kobayashi

1996-01-01

12

An expert system of machining operation planning in Internet environment  

Microsoft Academic Search

A framework for machining operation planning systems is discussed, in which machining know-how, extracted and organized from electronic tool catalogs and machining instance databases available in the Internet environment plays a principal role. A system concept based on the use of reference machining instance data is proposed, which is derived from the investigation of tool catalogs, related international standards, reference

T Kojima; H Sekiguchi; H Kobayashi; S Nakahara; S Ohtani

2000-01-01

13

Installation and operation of superconducting rotating machines  

Microsoft Academic Search

Superconducting rotating machine technology is developing rapidly. At present, four superconducting rotating machine programs are in progress. General electric is building a 100 MVA superconducting generator under a DoE contract. American superconductor (AMSC) has 3 programs on superconducting machines-a 10 MVAR superconducting synchronous condenser, a 5 MW, 230-RPM ship propulsion motor for office of naval research (ONR) and a 36.5

Swam S. Kalsi

2003-01-01

14

Job Grading Standard for Machine Tool Operator, WG-3431.  

ERIC Educational Resources Information Center

The standard covers nonsupervisory work involved in the set up, adjustment, and operation of conventional machine tools to perform machining operations in the manufacture and repair of castings, forgings, or parts from raw stock made of various metals, metal alloys, and other materials. A general description of the job at both the WG-8 and WG-9…

Civil Service Commission, Washington, DC. Bureau of Policies and Standards.

15

CSC-2515 Final Project Tailoring Boltzmann Machines to Netflix Data  

E-print Network

CSC-2515 Final Project Tailoring Boltzmann Machines to Netflix Data Wesley George wgeorge distribution, see [HO06]. Salakhutdinov and Mnih obtained impressive results in the netflix competition the error function used by Netflix to evaluate the performance of a prediction model. In section 2 we

Penn, Gerald

16

Primitive static states for intelligent operated-work machines  

Microsoft Academic Search

Advanced operated-work machines, which have been designed for complicated tasks and which have complicated operating systems, requires intelligent systems that can provide the quantitative work analysis needed to determine effective work procedures and that can provide operational and cognitive support for operators. Construction work environments are extremely complicated, however, and this makes state identification, which is a key technology for

Mitsuhiro Kamezaki; Hiroyasu Iwata; Shigeki Sugano

2009-01-01

17

Discomfort Analysis in Computerized Numeric Control Machine Operations  

PubMed Central

Objectives The introduction of computerized numeric control (CNC) technology in manufacturing industries has revolutionized the production process, but there are some health and safety problems associated with these machines. The present study aimed to investigate the extent of postural discomfort in CNC machine operators, and the relationship of this discomfort to the display and control panel height, with a view to validate the anthropometric recommendation for the location of the display and control panel in CNC machines. Methods The postural discomforts associated with CNC machines were studied in 122 male operators using Corlett and Bishop's body part discomfort mapping, subject information, and discomfort level at various time intervals from starting to end of a shift. This information was collected using a questionnaire. Statistical analysis was carried out using ANOVA. Results Neck discomfort due to the positioning of the machine displays, and shoulder and arm discomfort due to the positioning of controls were identified as common health issues in the operators of these machines. The study revealed that 45.9% of machine operators reported discomfort in the lower back, 41.8% in the neck, 22.1% in the upper-back, 53.3% in the shoulder and arm, and 21.3% of the operators reported discomfort in the leg. Conclusion Discomfort increased with the progress of the day and was highest at the end of a shift; subject age had no effect on patient tendency to experience discomfort levels. PMID:22993720

Sankaranarayanasamy, Krishnasamy; Ganguli, Anindya Kumar

2012-01-01

18

Laboratory directed research and development final report: Intelligent tools for on-machine acceptance of precision machined components  

SciTech Connect

On-Machine Acceptance (OMA) is an agile manufacturing concept being developed for machine tools at SNL. The concept behind OMA is the integration of product design, fabrication, and qualification processes by using the machining center as a fabrication and inspection tool. This report documents the final results of a Laboratory Directed Research and Development effort to qualify OMA.

Christensen, N.G.; Harwell, L.D.; Hazelton, A.

1997-02-01

19

Thrown object testing of forest machine operator protective structures  

Microsoft Academic Search

High-speed chains or rotating disks are commonly used to cut and process trees during forest harvesting operations. Mechanical failure or fatigue of these tools can lead to a potentially hazardous situation where fragments of chain or sawteeth are thrown through the operator enclosures on forest machines. This poster presentation discusses the development and validation of a facility to conduct thrown

S. E. Taylor; M. W. Veal; A. B. Rummer

20

Debugging operating systems with time-traveling virtual machines  

Microsoft Academic Search

Operating systems are difficult to debug with traditional cyclic debugging. They are non-deterministic; they run for long periods of time; they interact directly with hard- ware devices; and their state is easily perturbed by the act of debugging. This paper describes a time-traveling vir- tual machine that overcomes many of the difficulties as- sociated with debugging operating systems. Time travel

Samuel T. King; George W. Dunlap; Peter M. Chen

21

State Machine Operation of the MICE Cooling Channel  

NASA Astrophysics Data System (ADS)

The Muon Ionization Cooling Experiment (MICE) is a demonstration experiment to prove the feasibility of cooling a beam of muons for use in a Neutrino Factory and/or Muon Collider. The MICE cooling channel is a section of a modified Study II cooling channel which will provide a 10% reduction in beam emittance. In order to ensure a reliable measurement, MICE will measure the beam emittance before and after the cooling channel at the level of 1%, a relative measurement of 0.001. This renders MICE a precision experiment which requires strict controls and monitoring of all experimental parameters in order to control systematic errors. The MICE Controls and Monitoring system is based on EPICS and integrates with the DAQ, Data monitoring systems, and a configuration database. The cooling channel for MICE has between 12 and 18 superconductnig solenoid coils in 3 to 7 magnets, depending on the staged development of the experiment. The magnets are coaxial and in close proximity which requires coordinated operation of the magnets when ramping, responding to quench conditions, and quench recovery. To reliably manage the operation of the magnets, MICE is implementing state machines for each magnet and an over-arching state machine for the magnets integrated in the cooling channel. The state machine transitions and operating parameters are stored/restored to/from the configuration database and coupled with MICE Run Control. Proper implementation of the state machines will not only ensure safe operation of the magnets, but will help ensure reliable data quality. A description of MICE, details of the state machines, and lessons learned from use of the state machines in recent magnet training tests will be discussed.

Hanlet, Pierrick; Mice Collaboration

2014-06-01

22

Modern Technologies for Processing Wastes from Machining Operations  

Microsoft Academic Search

There are currently many methods available for processing and recycling wastes from machining operations [1]. Although some of them consume large amounts of energy and require special equipment or special processing regimes (remelting, comminution, sintering in heating furnaces, hot and cold pressing), significant amounts of the raw material are also lost in the process. For example, the losses incurred in

V. V. Zharikov

2001-01-01

23

A waterjet mining machine for use in room and pillar mining operations  

SciTech Connect

A new mining machine is constructed for use in room and pillar mining operations. This machine uses the action of computer controlled, centrally located high pressure cutting lances to cut deep slots in a coal face. These slots stress relieve the coal ahead of the machine and outline blocks of coal. The movement forward of the machine then wedges up the lower block of coal. This wedging action is assisted by the gathering arms of the loader section of the machine, and by underlying oscillating waterjets which create a slot ahead of the loading wedge as it advances. Finally the top section of coal is brought down by the sequential advance of wedge faced roof support members, again assisted by the waterjet action from the central cutting arms. The machine is designed to overcome major disadvantages of existing room and pillar mining machines in regard to a reduction in respirable dust, the creation of an immediate roof support, and an increase in product size, with concomitant reduction in cleaning costs.

Summers, D.A.

1990-06-01

24

CONSTRUCTION AND EVALUATION OF A DYNAMIC CREEP TEST MACHINE. Final Report  

Microsoft Academic Search

Work was carried out on the centrifugal creep test principle. A simple, ; minimum cost, dynamic creep test machine was designed and constructed. The ; machine's usefulness for alloy development and materials screening for the USAEC ; Reactor Program was evaluated. Simple sheared sheet specimens were first tested, ; followed by machined specimens. Operation of the machine requires attaching ;

1959-01-01

25

Considerations for human-machine interfaces in tele-operations  

NASA Technical Reports Server (NTRS)

Numerous factors impact on the efficiency of tele-operative manipulative work. Generally, these are related to the physical environment of the tele-operator and how he interfaces with robotic control consoles. The capabilities of the operator can be influenced by considerations such as temperature, eye strain, body fatigue, and boredom created by repetitive work tasks. In addition, the successful combination of man and machine will, in part, be determined by the configuration of the visual and physical interfaces available to the teleoperator. The design and operation of system components such as full-scale and mini-master manipulator controllers, servo joysticks, and video monitors will have a direct impact on operational efficiency. As a result, the local environment and the interaction of the operator with the robotic control console have a substantial effect on mission productivity.

Newport, Curt

1991-01-01

26

A Machine Operation Lists based Memetic Algorithm for Job Shop Scheduling  

Microsoft Academic Search

In this article, a new Memetic Algorithm (MA) has been proposed to solve Job Shop Scheduling Problems. The proposed MA is based on Machine Operation Lists (MOL), which is the exact sequence of operations for each machine. Machine Operation Lists representation is a modification of Preference List-Based representation. Linear Order Crossover (LOX) and Random operations are first considered as crossover

N. Mohammad R. Raeesi; Ziad Kobti

2011-01-01

27

29 CFR 570.62 - Occupations involved in the operation of bakery machines (Order 11).  

Code of Federal Regulations, 2012 CFR

...Occupations involved in the operation of bakery machines (Order 11). 570.62 Section...Occupations involved in the operation of bakery machines (Order 11). (a) Finding...involved in the operation of power-driven bakery machines are particularly hazardous...

2012-07-01

28

29 CFR 570.62 - Occupations involved in the operation of bakery machines (Order 11).  

Code of Federal Regulations, 2013 CFR

...Occupations involved in the operation of bakery machines (Order 11). 570.62 Section...Occupations involved in the operation of bakery machines (Order 11). (a) Finding...involved in the operation of power-driven bakery machines are particularly hazardous...

2013-07-01

29

29 CFR 570.62 - Occupations involved in the operation of bakery machines (Order 11).  

...Occupations involved in the operation of bakery machines (Order 11). 570.62 Section...Occupations involved in the operation of bakery machines (Order 11). (a) Finding...involved in the operation of power-driven bakery machines are particularly hazardous...

2014-07-01

30

29 CFR 570.62 - Occupations involved in the operation of bakery machines (Order 11).  

Code of Federal Regulations, 2011 CFR

...Occupations involved in the operation of bakery machines (Order 11). 570.62 Section...Occupations involved in the operation of bakery machines (Order 11). (a) Finding...involved in the operation of power-driven bakery machines are particularly hazardous...

2011-07-01

31

Computer-aided operation planning and programming of machining on turning centers  

Microsoft Academic Search

The machining centers which implement manufacturing operation concentration in the highest degree can be used for complete machining of cylindrical type components, while these machines ensure the protectional procedures with stationary cutting tools typical of lathes and the protectional procedures with rotating cutting tools peculiar to drilling and milling machines. The GTIPROG-EC system, which was developed by us and can

Miklos Berta; Istvan Cser

1999-01-01

32

49 CFR 214.355 - Training and qualification in on-track safety for operators of roadway maintenance machines.  

Code of Federal Regulations, 2012 CFR

...safety for operators of roadway maintenance machines. 214.355 Section 214.355 Transportation...safety for operators of roadway maintenance machines. (a) The training and qualification...workers who operate roadway maintenance machines shall include, as a minimum:...

2012-10-01

33

49 CFR 214.355 - Training and qualification in on-track safety for operators of roadway maintenance machines.  

Code of Federal Regulations, 2013 CFR

...safety for operators of roadway maintenance machines. 214.355 Section 214.355 Transportation...safety for operators of roadway maintenance machines. (a) The training and qualification...workers who operate roadway maintenance machines shall include, as a minimum:...

2013-10-01

34

49 CFR 214.355 - Training and qualification in on-track safety for operators of roadway maintenance machines.  

Code of Federal Regulations, 2011 CFR

...safety for operators of roadway maintenance machines. 214.355 Section 214.355 Transportation...safety for operators of roadway maintenance machines. (a) The training and qualification...workers who operate roadway maintenance machines shall include, as a minimum:...

2011-10-01

35

Operating limits on commutator dc machines used as electromechanical capacitors  

SciTech Connect

This paper presents data gathered in testing 28 rebuilt motors and discusses the impact of possible variation of characteristics among the machines of the operation of the facility. It also discusses commutation limits and their relationship to the economics and reliability of the system. When installed, the system will consist of 30 motors and will have a rating of 50 kA, 1.68 kV corresponding to 84 MVA at a peak power of 42 MW. The cost of this supply will be near $6/kVA which continues to compare favorably with the present $30/kVA cost of alternators.

Thullen, P.

1981-01-01

36

Six-phase induction machine operating as a stand-alone self-excited induction generator  

E-print Network

Six-phase induction machine operating as a stand- alone self-excited induction generator Kamel. Keywords--Six-phase induction machine, self-excited induction generators, magnetic saturation, renewable-phase induction machine operating as a stand-alone self-excited induction generator and supplying various loads

Brest, Université de

37

Computer Based Motor Parameter Determination for High Speed Operation of Permanent Magnet Synchronous Machines  

E-print Network

Synchronous Machines B. Szabados and U. Schaible McMaster University 1280 Main St. W., Hamilton, Ontario PM synchronous machine parameters in the high speed operating range. The theory and real interior PM synchronous machine at up to 8000 rpm. Results are presented which show a significant variation

Szabados, Barna

38

Dynamic Motor Parameter Identification for High Speed Flux Weakening Operation of Brushless Permanent Magnet Synchronous Machines  

E-print Network

Permanent Magnet Synchronous Machines Abstract: An experimental investigation is conducted to determine the behaviour of brushless PM synchronous machine parameters in the high speed flux weakening operating range synchronous machines. Special computer assisted measuring techniques are employed using an experimental vector

Szabados, Barna

39

Integrated inverter\\/induction machine design based on operating conditions for electrical generation  

Microsoft Academic Search

New applications, like electrical power generation, present new challenges in designing induction machines due to specific operation conditions. Wind generation demands the machine for operating doubly fed, requiring an electrical installation based on long cable lengths connecting the converter to the generator. What results in rotor and stator circuits operate under high voltage with high gradients and damped high frequencies

H. B. Goncalves; O. F. Soares; A. S. Araujo; A. S. Carvalho

2005-01-01

40

OTEC-1 test operations experience. Final report  

SciTech Connect

During Phase III, the complete integrated system was operated, and information was obtained on the performance of the test article, the performance of the seawater and ammonia systems, the operation of the platform and moor systems, the effects of biofouling countermeasures, and the effects of the OTEC cycle on the environment. After several months spent in completing construction of the test system and checking out and repairing the various systems, 4 months of test operations were conducted before funding constraints caused the discontinuation of the test program. Plans were made for long-term storage and/or disposition of the test facility. The OEC test platform is currently located at Pearl Harbor, in the US Navy Inactive Reserve Fleet anchorage. The CWP was placed in underwater storage adjacent to the moor, awaiting a decision on final disposition. In October 1982, the CWP was recovered and custody given to the State of Hawaii. Although the test period lasted only about 4 months, deployment and at-sea operation of a large-scale OTEC plant was demonstrated, and information was obtained towards satisfying each of the objectives of the OTEC-1 project. This document summarizes the OTEC-1 test operations experience, discusses technical lessons learned, and makes recommendations for future OTEC plants.

Hoshide, R.K.; Klein, A.; Polino, D.L.; Poucher, F.W.

1983-07-15

41

[Research on operating characteristics of multiclass receiver in machine learning].  

PubMed

The Receiver Operating Characteristic (ROC) curve has become a standard tool for the analysis and comparison of binary classifiers when the costs of misclassification are unknown. In fact ROC curve has replaced the correct rate or error rate. Extending this to the multiclass case has recently become a growing topic of interest. The conceptions and application of ROC curve are expounded. The history and some algorithms of the multi-class ROC surface are given in detail in this paper. Finally research trends of the multi-class ROC surface are approximating computing and visualization. PMID:22404032

Li, Jing; Wang, Jinjia; Hang, Wenxue

2012-02-01

42

The REX-ISOLDE charge breeder as an operational machine  

SciTech Connect

The charge breeding system of radioactive beam experiment at ISOLDE (REX-ISOLDE), consisting of a large Penning trap in combination with an electron-beam ion source (EBIS), is now a mature concept after having delivered radioactive beams for postacceleration to a number of experiments for three years. The system, preparing ions prior to injection into a compact linear accelerator, has shown to be versatile in terms of the ion species and energies that can be delivered. During the experimental periods 2004 and 2005 a significant part of the ISOLDE beam time was dedicated to REX-ISOLDE experiments. Ion masses in the range between A=7 and 153 have been handled with record efficiencies. High-intensity as well as very-short-lived isotope beams were proven to be feasible. Continuous injection into the EBIS has also been successfully tested. Two means of suppressing unwanted beam contaminations were tested and are now in use. In addition, the experience gained from the trap-EBIS concept from a machine operational point of view will be discussed and the limitations described.

Wenander, F.; Delahaye, P.; Scrivens, R.; Savreux, R. [CERN, 1211 Geneva-23, 1211 (Switzerland); Sektion Physik, Ludwig-Maximilians-Universitaet, Muenchen, D-85748 Garching (Germany); 1211 Geneva-23, 1211 Switzerland (Switzerland)

2006-03-15

43

Machinery Management. FMO: Fundamentals of Machine Operation. Third Edition.  

ERIC Educational Resources Information Center

This text is intended to provide a basic understanding of selecting, maintaining, and managing farm machinery. The following topics are covered in the individual chapters: dealing with typical problems in farm machinery management; measuring machine capacity; improving field efficiency; matching machine size and capacity; estimating power…

Bowers, Wendell

44

Alternative Models of Service, Centralized Machine Operations. Phase II Report. Volume II.  

ERIC Educational Resources Information Center

A study was conducted to determine if the centralization of playback machine operations for the national free library program would be feasible, economical, and desirable. An alternative model of playback machine services was constructed and compared with existing network operations considering both cost and service. The alternative model was…

Technology Management Corp., Alexandria, VA.

45

Quantification of uncertainty in machining operations for on-machine acceptance.  

SciTech Connect

Manufactured parts are designed with acceptance tolerances, i.e. deviations from ideal design conditions, due to unavoidable errors in the manufacturing process. It is necessary to measure and evaluate the manufactured part, compared to the nominal design, to determine whether the part meets design specifications. The scope of this research project is dimensional acceptance of machined parts; specifically, parts machined using numerically controlled (NC, or also CNC for Computer Numerically Controlled) machines. In the design/build/accept cycle, the designer will specify both a nominal value, and an acceptable tolerance. As part of the typical design/build/accept business practice, it is required to verify that the part did meet acceptable values prior to acceptance. Manufacturing cost must include not only raw materials and added labor, but also the cost of ensuring conformance to specifications. Ensuring conformance is a substantial portion of the cost of manufacturing. In this project, the costs of measurements were approximately 50% of the cost of the machined part. In production, cost of measurement would be smaller, but still a substantial proportion of manufacturing cost. The results of this research project will point to a science-based approach to reducing the cost of ensuring conformance to specifications. The approach that we take is to determine, a priori, how well a CNC machine can manufacture a particular geometry from stock. Based on the knowledge of the manufacturing process, we are then able to decide features which need further measurements from features which can be accepted 'as is' from the CNC. By calibration of the machine tool, and establishing a machining accuracy ratio, we can validate the ability of CNC to fabricate to a particular level of tolerance. This will eliminate the costs of checking for conformance for relatively large tolerances.

Claudet, Andre A.; Tran, Hy D.; Su, Jiann-Chemg

2008-09-01

46

Method and system for controlling a synchronous machine over full operating range  

DOEpatents

System and method for controlling a synchronous machine are provided. The method allows for calculating a stator voltage index. The method further allows for relating the magnitude of the stator voltage index against a threshold voltage value. An offset signal is generated based on the results of the relating step. A respective state of operation of the machine is determined. The offset signal is processed based on the respective state of the machine.

Walters, James E. (Carmel, IN); Gunawan, Fani S. (Westfield, IN); Xue, Yanhong (Westfield, IN)

2002-01-01

47

Effectiveness of liquid crystal admixtures in the lubricating oil for a multi-operational machine  

Microsoft Academic Search

Reliable cyclic operation of modern multioperational, numerically controlled (N\\/C) machine tools strongly depends not only on the precision manufacturing of kinematic pairs, but also on the conditions of their maintenance and running-in periods. In the machine tool industry, the running-in of the most important newly assembled kinematic units and mechanisms of machines, i.e., spindle head units, gearboxes, ball screw paris,

V. Vekteris; A. Murachver

1995-01-01

48

Electromagnetic power absorption and temperature changes due to brain machine interface operation.  

PubMed

To fully understand neural function, chronic neural recordings must be made simultaneously from 10s or 100s of neurons. To accomplish this goal, several groups are developing brain machine interfaces. For these devices to be viable for chronic human use, it is likely that they will need to be operated and powered externally via a radiofrequency (RF) source. However, RF exposure can result in tissue heating and is regulated by the FDA/FCC. This paper provides an initial estimate of the amount of tissue heating and specific absorption rate (SAR) associated with the operation of a brain-machine interface (BMI). The operation of a brain machine interface was evaluated in an 18-tissue anatomically detailed human head mesh using simulations of electromagnetics and bio-heat phenomena. The simulations were conducted with a single chip, as well as with eight chips, placed on the surface of the human brain and each powered at four frequencies (13.6 MHz, 1.0 GHz, 2.4 GHz, and 5.8 GHz). The simulated chips consist of a wire antenna on a silicon chip covered by a Teflon dura patch. SAR values were calculated using the finite-difference time-domain method and used to predict peak temperature changes caused by electromagnetic absorption in the head using two-dimensional bio-heat equation. Results due to SAR alone show increased heating at higher frequencies, with a peak temperature change at 5.8 GHz of approximately 0.018 degrees C in the single-chip configuration and 0.06 degrees C in the eight-chip configuration with 10 mW of power absorption (in the human head) per chip. In addition, temperature elevations due to power dissipation in the chip(s) were studied. Results show that for the neural tissue, maximum temperature rises of 3.34 degrees C in the single-chip configuration and 7.72 degrees C in the eight-chip configuration were observed for 10 mW dissipation in each chip. Finally, the maximum power dissipation allowable in each chip before a 1.0 degrees C temperature increase (most stringent standards as denoted in the FDA guidelines) is exceeded in the head was simulated and found to be 2.92 mW in the single-chip configuration and 1.25 mW in the eight-chip configuration. As thermal heating due to SAR was insignificant, this study suggests that wireless electromagnetics, i.e., RF may be a viable option for powering, and communicating with brain machine interfaces for clinical applications. PMID:17334681

Ibrahim, Tamer S; Abraham, Doney; Rennaker, Robert L

2007-05-01

49

Title: Mobile Brain-Machine Interface for Integrated Information Social/Cognitive Network Operations  

E-print Network

Title: Mobile Brain-Machine Interface for Integrated Information Social/Cognitive Network Operations (Army High Performance Computing Research Center) Principal Investigator: Kwong Ng Sponsor: High capability. Researchers use an Electroencephalography (EEG) based brain-machine interface (BMI) as a sensor

Johnson, Eric E.

50

A neural network process model for abrasive flow machining operations  

Microsoft Academic Search

This paper describes the development of a predictive process modeling system for the abrasive flow machining (AFM) process. This process is used for polishing and surface removal of workpieces with an internal flow path. The core of the process modeling system is a set of neural network models that predicts surface finish and dimensional change. These neural network models are

Kimberly L. Petri; Richard E. Billo; Bopaya Bidanda

1998-01-01

51

Applying group technology in the operational planning of electronics assembly (multiple machine case)  

E-print Network

of PCBs such that the total make span is minimized. The assembly system under consideration consists of multiple non-identical placement machines. The operational planning problem is decomposed into three sub- problems. The three sub-problems are Group...

Awwad, Ghassan Samir

2012-06-07

52

Methods of Scale Modeling of Operating Processes of Highway Construction Machines.  

National Technical Information Service (NTIS)

The monograph examines the principal assumptions in the theory of similarity and modeling for the study and evaluation of operating processes and the design of highway construction machines. Methods are described for the determination of similarity criter...

V. I. Balovnev

1985-01-01

53

Basic Operation of Cryocoolers and Related Thermal Machines  

NASA Astrophysics Data System (ADS)

This paper deals with the basics of cryocoolers and related thermodynamic systems. The treatment is based on the first and second law of thermodynamics for inhomogeneous, open systems using enthalpy flow, entropy flow, and entropy production. Various types of machines, which use an oscillating gas flow, are discussed such as: Stirling refrigerators, GM coolers, pulse-tube refrigerators, and thermoacoustic coolers and engines. Furthermore the paper deals with Joule-Thomson and dilution refrigerators which use a constant flow of the working medium.

de Waele, A. T. A. M.

2011-09-01

54

Numerical Ergonomics Analysis in Operation Environment of CNC Machine  

NASA Astrophysics Data System (ADS)

The performance of operator will be affected by different operation environments [1]. Moreover, poor operation environment may cause health problems of the operator [2]. Physical and psychological considerations are two main factors that will affect the performance of operator under different conditions of operation environment. In this paper, applying scientific and systematic methods find out the pivot elements in the field of physical and psychological factors. There are five main factors including light, temperature, noise, air flow and space that are analyzed. A numerical ergonomics model has been built up regarding the analysis results which can support to advance the design of operation environment. Moreover, the output of numerical ergonomic model can provide the safe, comfortable, more productive conditions for the operator.

Wong, S. F.; Yang, Z. X.

2010-05-01

55

Study on Performance of Integration Control by Man and Machine in Stage of Final Approaching for Spaceship Rendezvous and Docking  

NASA Astrophysics Data System (ADS)

With the development of manned space technology, space rendezvous and docking (RVD) technology will play a more and more important role. The astronauts’ participation in a final close period of man-machine combination control is an important way of RVD technology. Spacecraft RVD control involves control problem of a total of 12 degrees of freedom (location) and attitude which it relative to the inertial space the orbit. Therefore, in order to reduce the astronauts’ operation load and reduce the security requirements to the ground station and achieve an optimal performance of the whole man-machine system, it is need to study how to design the number of control parameters of astronaut or aircraft automatic control system. In this study, with the laboratory conditions on the ground, a method was put forward to develop an experimental system in which the performance evaluation of spaceship RVD integration control by man and machine could be completed. After the RVD precision requirements were determined, 26 male volunteers aged 20-40 took part in the performance evaluation experiments. The RVD integration control success rates and total thruster ignition time were chosen as evaluation indices. Results show that if less than three RVD parameters control tasks were finished by subject and the rest of parameters control task completed by automation, the RVD success rate would be larger than eighty-eight percent and the fuel consumption would be optimized. In addition, there were two subjects who finished the whole six RVD parameters control tasks by enough train. In conclusion, if the astronauts' role should be integrated into the RVD control, it was suitable for them to finish the heading, pitch and roll control in order to assure the man-machine system high performance. If astronauts were needed to finish all parameter control, two points should be taken into consideration, one was enough fuel and another was enough long operation time.

Zhou, Qianxiang; Liu, Zhongqi

56

KEK Meeting -Final Machine Working Group Agenda M. Zisman Monday, January 23, 2006  

E-print Network

345 Time Topic Speaker Duration 14:00 - 14:30 SPL as a Neutrino Factory Proton Driver Prior 25+5 14KEK Meeting - Final Machine Working Group Agenda M. Zisman 1/19/2006 Monday, January 23, 2006 Building 4, Seminar Hall Time Topic Speaker Duration 11:00 - 11:30 C O F F E E 30 11:30 - 12

57

Machine-Vision Aids for Improved Flight Operations  

NASA Technical Reports Server (NTRS)

The development of machine vision based pilot aids to help reduce night approach and landing accidents is explored. The techniques developed are motivated by the desire to use the available information sources for navigation such as the airport lighting layout, attitude sensors and Global Positioning System to derive more precise aircraft position and orientation information. The fact that airport lighting geometry is known and that images of airport lighting can be acquired by the camera, has lead to the synthesis of machine vision based algorithms for runway relative aircraft position and orientation estimation. The main contribution of this research is the synthesis of seven navigation algorithms based on two broad families of solutions. The first family of solution methods consists of techniques that reconstruct the airport lighting layout from the camera image and then estimate the aircraft position components by comparing the reconstructed lighting layout geometry with the known model of the airport lighting layout geometry. The second family of methods comprises techniques that synthesize the image of the airport lighting layout using a camera model and estimate the aircraft position and orientation by comparing this image with the actual image of the airport lighting acquired by the camera. Algorithms 1 through 4 belong to the first family of solutions while Algorithms 5 through 7 belong to the second family of solutions. Algorithms 1 and 2 are parameter optimization methods, Algorithms 3 and 4 are feature correspondence methods and Algorithms 5 through 7 are Kalman filter centered algorithms. Results of computer simulation are presented to demonstrate the performance of all the seven algorithms developed.

Menon, P. K.; Chatterji, Gano B.

1996-01-01

58

Optimization of the operating parameters of a grass trimming machine.  

PubMed

Hand-arm vibration syndrome (HAVS) is very common among the workers operating power tools and doing similar nature of work for long hours. Grass trimming is one of the operations that involves use of vibrating cutter, and results in hand-arm vibration among workers. In this study, the influence of several operating parameters (length of nylon cutting thread, engine speed and handle material) is investigated in terms of HAV. Data are analyzed via orthogonal array, main effect, signal-to-noise (S/N) ratio, and analysis of variance to determine the appropriate operating parameter levels to minimize HAV. Operating parameters under investigation are found to be influential in controlling HAV generation during grass trimming operation. Experiments are carried out for measuring hand-arm vibration using tri-axial accelerometer conforming the effectiveness of this approach. Results show that 100mm length of nylon thread, 3000+/-400rpm of engine speed and ABS handle material combination results in minimum HAV (HARM) of magnitude 2.76m/s(2). Through this study not only the optimal operating parameter levels for GTM are obtained, but also the main process parameters that affect the HAV are determined. The optimum HAV obtained through appropriate level selection of operating parameters, significantly reduces the occurrence of HAVS among the grass trimmers. PMID:19762006

Mallick, Zulquernain

2010-03-01

59

Agricultural Safety. FMO: Fundamentals of Machine Operation. Second Edition.  

ERIC Educational Resources Information Center

This manual is intended to provide students with basic information on the safe operation of farm machinery. The following topics are covered in the individual chapters: safe farm machinery operation (the importance of safety, the role of communication in safety, and types of farm accidents); human factors (human limitations and capabilities;…

John Deere Co., Moline, IL.

60

Design of a Versatile, Teleoperable, Towable Lifting Machine with Robotic Capabilities for Use in Nasa's Lunar Base Operations  

NASA Technical Reports Server (NTRS)

The lifting machine will assist in lifting cargo off of landers sent to the Moon and in the construction of a lunar base. Three possible designs were considered for the overall configuration of the lifting machine: the variable angle crane, the tower crane, and the gantry crane. Alternate designs were developed for the major components of the lifting machine. A teleoperable, variable angle crane was chosen as its final design. The design consists of a telescoping boom mounted to a chassis that is supported by two conical wheels for towing and four outriggers for stability. Attached to the end of the boom is a seven degree of freedom robot arm for light, dexterous, lifting operations. A cable and hook suspends from the end of the boom for heavy, gross, lifting operations. Approximate structural sizes were determined for the lifter and its components. However, further analysis is needed to determine the optimum design dimensions. The design team also constructed a model of the design which demonstrates its features and operating principals.

Harris, Elizabeth; Ogle, James; Schoppe, Dean

1989-01-01

61

Washing Machines--Components & Operations; Appliance Repair 2: #9025.03.  

ERIC Educational Resources Information Center

Designed to familiarize the student with the components and operations of automatic washing machines, this course outline offers instruction on the principles of washing and their relation to the automatic washer, the functions and operations of washer components, identification of various component malfunctions, washer installation, and the…

Dade County Public Schools, Miami, FL.

62

Measurement of vibration rate of manually operated percussion machines  

NASA Technical Reports Server (NTRS)

A special apparatus for measurement of accelerations of between 1 and 5000 g and shock stress pulses from 20 kg/cu cm up, with durations of 50.1 million sec and higher was designed and built. The amplitudes and shapes of the peak vibroshock pulses, arising during operation of a hammer, are obtained; the recording time of the continuous process is determined by the time of one revolution of the drum of a specially made mechanical photo attachment.

Aleksandrov, Y. V.; Flavitskiy, Y. V.

1973-01-01

63

CIRP Conference on Modeling of Machining Operations (CIRP CMMO) Process Mechanics and Surface Integrity Induced by Dry and  

E-print Network

with improved SI is often very thin [6]. The combination of cryogenic machining with the use of cutting tools14th CIRP Conference on Modeling of Machining Operations (CIRP CMMO) Process Mechanics and Surface Integrity Induced by Dry and Cryogenic Machining of AZ31B-O Magnesium Alloy J.C. Outeiroa, *, F. Rossia , G

Paris-Sud XI, Université de

64

ENGINEERING DRIVEN CAUSE-EFFECT MODELING AND STATISTICAL ANALYSIS FOR MULTI-OPERATIONAL MACHINING  

E-print Network

ENGINEERING DRIVEN CAUSE-EFFECT MODELING AND STATISTICAL ANALYSIS FOR MULTI-OPERATIONAL MACHINING University of Michigan Ann Arbor, MI 48105 KEYWORDS Root cause diagnosis, cause-effect relationship for multistage manufacturing processes. In this paper, an integrated approach is proposed to develop cause-effect

Li, Jing

65

Effect of training on the productivity and tenure of sewing machine operators  

Microsoft Academic Search

A significant determinant of the high rate of personnel turnover among a population of female sewing machine operators was inadequate initial training. 208 new trainees received either 1, 2, or 3 days' vestibule training. The longer the training, the lower the turnover rate, but the lower the productivity as well. Both effects were statistically significant, but the effects on productivity

Joel Lefkowitz

1970-01-01

66

Machine Repairers and Operators. Reprinted from the Occupational Outlook Handbook, 1978-79 Edition.  

ERIC Educational Resources Information Center

Focusing on machine repairers and operators, this document is one in a series of forty-one reprints from the Occupational Outlook Handbook providing current information and employment projections for individual occupations and industries through 1985. The specific occupations covered in this document include appliance repairers,…

Bureau of Labor Statistics (DOL), Washington, DC.

67

Vibration protection for an operator of a hand-held percussion machine  

NASA Astrophysics Data System (ADS)

The present study shows that a passive system of vibration protection, which combines principles of vibration isolation and dynamic absorption, can be effectively used in hand-held percussion machines. The vibration isolator between the handle and the casing of the machine reduces the high-frequency components of acceleration perceived by an operator, whereas the lightly weighted tuned dynamic absorbers attached to the handle allow suppression of dominating harmonics of machine acceleration. Such a vibration attenuation system allows the use of relatively stiff isolators and significantly reduces hand-transmitted vibration without essential increasing the overall mass of a tool. Results of numerical simulations have been verified by experiment and these are presented in this paper.

Golysheva, E. V.; Babitsky, V. I.; Veprik, A. M.

2004-07-01

68

Control of seismic and operational vibrations of rotating machines using semi-active mounts  

NASA Astrophysics Data System (ADS)

A dual isolation problem for rotating machines consists of isolation of housing structures from the machine vibrations and protection of machines during an earthquake to maintain their functionality. Desirable characteristics of machine mounts for the above two purposes can differ significantly due to difference in nature of the excitation and performance criteria in the two situations. In this paper, relevant response quantities are identified that may be used to quantify performance and simplified models of rotating machines are presented using which these relevant response quantities may be calculated. Using random vibration approach with a stationary excitation, it is shown that significant improvement in seismic performance is achievable by proper mount design. Results of shaking table experiments performed with a realistic setup using a centrifugal pump are presented. It is concluded that a solution to this dual isolation problem lies in a semi-active mount capable switching its properties from ‘operation-optimum’ to ‘seismic-optimum’ at the onset of a seismic event.

Rana, R.; Soong, T. T.

2004-06-01

69

Volitional enhancement of firing synchrony and oscillation by neuronal operant conditioning: interaction with neurorehabilitation and brain-machine interface  

PubMed Central

In this review, we focus on neuronal operant conditioning in which increments in neuronal activities are directly rewarded without behaviors. We discuss the potential of this approach to elucidate neuronal plasticity for enhancing specific brain functions and its interaction with the progress in neurorehabilitation and brain-machine interfaces. The key to-be-conditioned activities that this paper emphasizes are synchronous and oscillatory firings of multiple neurons that reflect activities of cell assemblies. First, we introduce certain well-known studies on neuronal operant conditioning in which conditioned enhancements of neuronal firing were reported in animals and humans. These studies demonstrated the feasibility of volitional control over neuronal activity. Second, we refer to the recent studies on operant conditioning of synchrony and oscillation of neuronal activities. In particular, we introduce a recent study showing volitional enhancement of oscillatory activity in monkey motor cortex and our study showing selective enhancement of firing synchrony of neighboring neurons in rat hippocampus. Third, we discuss the reasons for emphasizing firing synchrony and oscillation in neuronal operant conditioning, the main reason being that they reflect the activities of cell assemblies, which have been suggested to be basic neuronal codes representing information in the brain. Finally, we discuss the interaction of neuronal operant conditioning with neurorehabilitation and brain-machine interface (BMI). We argue that synchrony and oscillation of neuronal firing are the key activities required for developing both reliable neurorehabilitation and high-performance BMI. Further, we conclude that research of neuronal operant conditioning, neurorehabilitation, BMI, and system neuroscience will produce findings applicable to these interrelated fields, and neuronal synchrony and oscillation can be a common important bridge among all of them. PMID:24567704

Sakurai, Yoshio; Song, Kichan; Tachibana, Shota; Takahashi, Susumu

2014-01-01

70

On-machine sensors to measure paper mechanical properties. Final report  

SciTech Connect

The measurement of the velocity of ultrasound provides a nondestructive means to characterize the elastic stiffness properties of paper. The objective of this project is to develop sensors capable of measuring the velocity of ultrasound in the thickness and in-plane directions of moving paper webs. On-machine measurements would allow continuous monitoring of product quality as well as provide data for controlling the papermaking process. This final report first reviews the background and various technical approaches explored. Then the preferred configurations and examples of measurements on moving paper webs in the laboratory are presented and discussed. The report concludes with a summary of project results and recommendations for further developments. Transducers mounted in fluid-filled wheels are used to make thickness direction, ZD, ultrasound velocity measurements on paper webs moving in the nip between two such wheels. Comparisons of the arrival times of echo and transmitted pulses with and without the paper web in the nip provide a measure of the transit time and caliper. Bimorph transducers mounted in an aluminum cylinder are used for machine direction (MD) and cross direction (CD) in-plane measurements. These ZD and in-plane sensors are mounted on a web handler in the IPST laboratory.

Hall, M.S.; Brodeur, P.H.; Jackson, T.G.

1993-10-01

71

Synthesis of dimensionless indexes for IPM machine in variable speed operations  

Microsoft Academic Search

Interior permanent magnet (IPM) electric machine is not a pure PM machine but a mixture of permanent magnet and synchronous reluctance electric machines. As a mixed electric machine, an IPM machine has two components to consider based on many parameters. Synthesis of new dimensionless indexes based on machine parameters is proposed. It is to shown that the new pair of

Longya Xu; Tao Fan; Xuhui Wen

2008-01-01

72

Operator Support System Based on Primitive Static States in Intelligent Operated Work Machines  

Microsoft Academic Search

Intelligent functions that can autonomously identify the current work states and also provide informational or operational support to their operators are inevitably required for double-front construction machinery (DFCM), which has been developed for complicated tasks. In this study, which focuses on DFCM, we address the need for a new conceptual design of an operator support system. In particular, a state

Mitsuhiro Kamezaki; Hiroyasu Iwata; Shigeki Sugano

2009-01-01

73

CIRP Conference on Modeling of Machining Operations (CIRP CMMO) Constitutive Modelling of AZ31B-O Magnesium Alloy  

E-print Network

B-O Magnesium Alloy for Cryogenic Machining E. Girauda* , F. Rossib , G. Germaina , J.C. Outeirob disks of AZ31B-O magnesium alloy, using a special designed tool. In order to include the effects of Machining Operations" in the person of the Conference Chair Prof. Luca Settineri Keywords: Magnesium alloy

Paris-Sud XI, Université de

74

Operator functional state classification using least-square support vector machine based recursive feature elimination technique.  

PubMed

This paper proposed two psychophysiological-data-driven classification frameworks for operator functional states (OFS) assessment in safety-critical human-machine systems with stable generalization ability. The recursive feature elimination (RFE) and least square support vector machine (LSSVM) are combined and used for binary and multiclass feature selection. Besides typical binary LSSVM classifiers for two-class OFS assessment, two multiclass classifiers based on multiclass LSSVM-RFE and decision directed acyclic graph (DDAG) scheme are developed, one used for recognizing the high mental workload and fatigued state while the other for differentiating overloaded and base-line states from the normal states. Feature selection results have revealed that different dimensions of OFS can be characterized by specific set of psychophysiological features. Performance comparison studies show that reasonable high and stable classification accuracy of both classification frameworks can be achieved if the RFE procedure is properly implemented and utilized. PMID:24138846

Yin, Zhong; Zhang, Jianhua

2014-01-01

75

Determination of finish-cutting operation number and machining-parameters setting in wire electrical discharge machining  

Microsoft Academic Search

Wire electrical discharge machining (WEDM) plays an important role in precision manufacturing. To obtain a precise workpiece with good surface quality, some extra repetitive finish cuts along the rough cutting contour are necessary. An attempt has been made to unveil the influence of the machining parameter (pulse-on time, pulse-off time, table feed-rate, flushing pressure, distance between wire periphery and workpiece

J. T. Huang; Y. S. Liao; W. J. Hsue

1999-01-01

76

Sensor guided control and navigation with intelligent machines. Final technical report  

SciTech Connect

This item constitutes the final report on ''Visionics: An integrated approach to analysis and design of intelligent machines.'' The report discusses dynamical systems approach to problems in robust control of possibly time-varying linear systems, problems in vision and visually guided control, and, finally, applications of these control techniques to intelligent navigation with a mobile platform. Robust design of a controller for a time-varying system essentially deals with the problem of synthesizing a controller that can adapt to sudden changes in the parameters of the plant and can maintain stability. The approach presented is to design a compensator that simultaneously stabilizes each and every possible mode of the plant as the parameters undergo sudden and unexpected changes. Such changes can in fact be detected by a visual sensor and, hence, visually guided control problems are studied as a natural consequence. The problem here is to detect parameters of the plant and maintain st ability in the closed loop using a ccd camera as a sensor. The main result discussed in the report is the role of perspective systems theory that was developed in order to analyze such a detection and control problem. The robust control algorithms and the visually guided control algorithms are applied in the context of a PUMA 560 robot arm control where the goal is to visually locate a moving part on a mobile turntable. Such problems are of paramount importance in manufacturing with a certain lack of structure. Sensor guided control problems are extended to problems in robot navigation using a NOMADIC mobile platform with a ccd and a laser range finder as sensors. The localization and map building problems are studied with the objective of navigation in an unstructured terrain.

Ghosh, Bijoy K.

2001-03-26

77

Machine tool accuracy characterization workshops. Final report, May 5, 1992--November 5 1993  

SciTech Connect

The ability to assess the accuracy of machine tools is required by both tool builders and users. Builders must have this ability in order to predict the accuracy capability of a machine tool for different part geometry`s, to provide verifiable accuracy information for sales purposes, and to locate error sources for maintenance, troubleshooting, and design enhancement. Users require the same ability in order to make intelligent choices in selecting or procuring machine tools, to predict component manufacturing accuracy, and to perform maintenance and troubleshooting. In both instances, the ability to fully evaluate the accuracy capabilities of a machine tool and the source of its limitations is essential for using the tool to its maximum accuracy and productivity potential. This project was designed to transfer expertise in modern machine tool accuracy testing methods from LLNL to US industry, and to educate users on the use and application of emerging standards for machine tool performance testing.

NONE

1995-01-06

78

Machining and inspection of structural ceramic components. CRADA final report for CRADA number Y-1292-0078  

SciTech Connect

This document is the final report of the Cooperative Research and Development Agreement (CRADA) between Lockheed Martin Energy Systems, Inc. (Energy Systems) and the Coors Ceramics Company (Coors). The purpose of this CRADA was to develop advanced technology and manufacturing practices for machining and inspecting ceramic components. Specific CRADA objectives were accomplished through the completion of six projects at four separate Coors facilities. The projects included the development of an analytical model to simulate the mechanics of a powder rolling process, development and testing of a microwave-based system for measuring the density of conveyed ceramic material, and the development and testing of four machine vision inspection systems. This CRADA benefited the U.S. Department of Energy (DOE) activities associated with advanced heat engines, enhanced critical manufacturing skills within the DOE complex for fabricating precision, high quality workpieces from difficult-to-machine materials, and enabled U.S. industry to maintain a position of leadership in the structural ceramics field.

Counts, R.W.; Albright, S.; Ritland, M. [and others

1996-09-30

79

Machinability of clean thin-wall gray and ductile iron castings. Final report  

SciTech Connect

First phase was to develop a laboratory technique for evaluating the machinability of gray and ductile iron; longer term goal is to learn how to modify the foundry process to produce castings meeting all specified mechanical properties while providing improved machining behavior. Microcarbides present in the irons were found to dominate the machinability of iron. Pearlitic irons with acceptable machinability contain 8.9 to 10.5 wt% microcarbides. The weight fraction microcarbides in the iron is influenced by carbide forming element concentrations, presence of elements that retard carbon diffusion, and cooling rate from the eutectic through the eutectoid temperature range. Tool wear rate increased at higher surface machining speeds and fraction microcarbides; all irons containing above 11.5% microcarbides had poor machinability. Graphite size, shape, distribution, etc. had a lesser effect on machinability. Reducing the addition of a foundry grade Ca and Al bearing 75% FeSi inoculant from 0.5 to 0.2% increased the tool life 100%. Inoculation test castings were also poured in a class 40 gray iron; laboratory analysis is currently underway. Exploratory studies were conducted to determine if tool force could be used to predict tool life: torque and feed forces were found to correlate with machinability.

Bates, C.E.; Littleton, H.E.; Eleftheriou, E.; Griffin, R.D.; Dwyer, Z.B.; DelSorbo, C.; Sprague, J.

1997-02-01

80

Study of Man-Machine Communications Systems for the Handicapped. Volume III. Final Report.  

ERIC Educational Resources Information Center

The report describes a series of studies conducted to determine the extent to which severly handicapped students who were able to comprehend language and language structure but who were not able to write or type could communicate using various man-machine systems. Included among the systems tested were specialized electric typewriting machines, a…

Kafafian, Haig

81

Study of Man-Machine Communications Systems for Disabled Persons (The Handicapped). Volume V. Final Report.  

ERIC Educational Resources Information Center

Instructions are given for teaching severely physically and/or neurologically handicapped students to use the 14-key Cybertype man-machine communications system, an electric writing machine with a simplified keyboard to enable persons with limited motor ability or coordination to communicate in written form. Explained are the various possible…

Kafafian, Haig

82

Site Operator technical report. Final report (1992--1996)  

SciTech Connect

The Southern California Edison Company (SCE) and the US Department of Energy (DOE) entered into cooperative agreement No. DE-FC07-91ID13077 on August 23, 1991, which expired on August 3, 1996. This cooperative agreement provided SCE with DOE cofunding for participation in the DOE`s Electric and Hybrid Vehicle Site Operator Program. In return, SCE provided the DOE with quarterly progress reports which include operating and maintenance data for the electric (EVs) vehicles in SCE`s fleet. Herein is SCE`s final report for the 1992 to 1996 agreement period. As of September 1, 1996 the SCE fleet had 65 electric vehicles in service. A total of 578,200 miles had been logged. During the agreement period, SCE sent the DOE a total of 19 technical reports (Appendix B). This report summarizes the technical achievements which took place during a long, productive and rewarding, relationship with the DOE.

NONE

1996-12-01

83

Incidence of MSDs and neck and back pain among logging machine operators in the southern U.S.  

PubMed

There are limited data about the incidence and prevalence of musculoskeletal disorders (MSDs) among loggers in the southern U.S. despite the risk factors associated with these occupations. Risk factors are both personal (age, body mass index, etc.) and job-related (awkward postures, repetitive hand and foot movements, vibration, etc.). A survey was conducted to estimate the incidence of self-reported pain and diagnosed MSDs and to study the relationship with known risk factors. Respondents were loggers attending training and continuing education classes. Respondents were asked to identify personal attributes, machine use, awkward postures, repetitive movements, and recent incidence of pain and medical diagnoses. All were male with an average age of 44 (range of 19-67) and an average body mass index of 31.3. Most were machine operators (97%) who have worked in the logging industry for an average of 22.9 years. Most machines identified were manufactured within the past ten years (average machine age 6.7 years). For machine operators, 10.5% (16) reported an MSD diagnosis, 74.3% (113) reported at least mild back pain, and 71.7% (109) reported at least mild neck pain over the past year. Further analysis attempted to identify an association between personal attributes, machine use, posture, and pain. Risk factors related to machine use may be biased since most survey respondents had considerable choice or control in working conditions, as they were firm owners and/or supervisors. PMID:25174152

Lynch, S M; Smidt, M F; Merrill, P D; Sesek, R F

2014-07-01

84

Light to investigate (read) and operate (write) molecular devices and machines.  

PubMed

The development of multicomponent (supramolecular) systems that can perform predetermined functions under external control - i.e., molecular devices - is a challenging task in chemistry and a fascinating objective in the frame of a bottom-up approach to nanostructures. In this context light signals can be conveniently used both for supplying energy to the system and for probing its states and transformations. The aim of this tutorial review is to recall a few basic aspects of light-induced processes that can be used to "write" and "read" onto molecular and supramolecular systems. These principles are illustrated through some examples of artificial molecular devices and machines taken from our work, which provide a flavour of current research. They are molecular and supramolecular systems that operate and/or perform valuable functions by exploiting photoinduced energy- or electron-transfer processes, photoisomerization reactions, or photoinduced proton transfer. The choice of these examples was based on both their intrinsic importance for the referred topic and their educational value. In the last section of the review potential applications, limitations and future directions of the research in the field of artificial molecular devices and machines are also discussed. PMID:24590055

Ceroni, Paola; Credi, Alberto; Venturi, Margherita

2014-06-21

85

Motor Proteins and Molecular Motors: How to Operate Machines at Nanoscale  

PubMed Central

Several classes of biological molecules that transform chemical energy into mechanical work are known as motor proteins or molecular motors. These nanometer-sized machines operate in noisy stochastic isothermal environment, strongly supporting fundamental cellular processes such as transfer of genetic information, transport, organization and functioning. In last two decades motor proteins have become a subject of intense research efforts that were aimed to uncover fundamental principles and mechanisms of molecular motors dynamics. In this review, we critically discuss a recent progress in experimental and theoretical studies on motor proteins. Our focus is on analyzing fundamental concepts and ideas that have been utilized for explaining non-equilibrium nature and mechanisms of molecular motors. PMID:24100357

Kolomeisky, Anatoly B.

2013-01-01

86

Motor proteins and molecular motors: how to operate machines at the nanoscale  

NASA Astrophysics Data System (ADS)

Several classes of biological molecules that transform chemical energy into mechanical work are known as motor proteins or molecular motors. These nanometer-sized machines operate in noisy stochastic isothermal environments, strongly supporting fundamental cellular processes such as the transfer of genetic information, transport, organization and functioning. In the past two decades motor proteins have become a subject of intense research efforts, aimed at uncovering the fundamental principles and mechanisms of molecular motor dynamics. In this review, we critically discuss recent progress in experimental and theoretical studies on motor proteins. Our focus is on analyzing fundamental concepts and ideas that have been utilized to explain the non-equilibrium nature and mechanisms of molecular motors.

Kolomeisky, Anatoly B.

2013-11-01

87

Energetic optimization of a piezo-based touch-operated button for man-machine interfaces  

NASA Astrophysics Data System (ADS)

This paper discusses the optimization of a touch-operated button for man-machine interfaces based on piezoelectric energy harvesting techniques. In the mechanical button, a common piezoelectric diaphragm, is assembled to harvest the ambient energy from the source, i.e. the operator’s touch. Under touch force load, the integrated diaphragm will have a bending deformation. Then, its mechanical strain is converted into the required electrical energy by means of the piezoelectric effect presented to the diaphragm. Structural design (i) makes the piezoceramic work under static compressive stress instead of static or dynamic tensile stress, (ii) achieves a satisfactory stress level and (iii) provides the diaphragm and the button with a fatigue lifetime in excess of millions of touch operations. To improve the button’s function, the effect of some key properties consisting of dimension, boundary condition and load condition on electrical behavior of the piezoelectric diaphragm are evaluated by electromechanical coupling analysis in ANSYS. The finite element analysis (FEA) results indicate that the modification of these properties could enhance the diaphragm significantly. Based on the key properties’ different contributions to the improvement of the diaphragm’s electrical energy output, they are incorporated into the piezoelectric diaphragm’s redesign or the structural design of the piezo-based button. The comparison of the original structure and the optimal result shows that electrical energy stored in the diaphragm and the voltage output are increased by 1576% and 120%, respectively, and the volume of the piezoceramic is reduced to 33.6%. These results will be adopted to update the design of the self-powered button, thus enabling a large decrease of energy consumption and lifetime cost of the MMI.

Sun, Hao; de Vries, Theo J. A.; de Vries, Rene; van Dalen, Harry

2012-03-01

88

Prediction of Backbreak in Open-Pit Blasting Operations Using the Machine Learning Method  

NASA Astrophysics Data System (ADS)

Backbreak is an undesirable phenomenon in blasting operations. It can cause instability of mine walls, falling down of machinery, improper fragmentation, reduced efficiency of drilling, etc. The existence of various effective parameters and their unknown relationships are the main reasons for inaccuracy of the empirical models. Presently, the application of new approaches such as artificial intelligence is highly recommended. In this paper, an attempt has been made to predict backbreak in blasting operations of Soungun iron mine, Iran, incorporating rock properties and blast design parameters using the support vector machine (SVM) method. To investigate the suitability of this approach, the predictions by SVM have been compared with multivariate regression analysis (MVRA). The coefficient of determination (CoD) and the mean absolute error (MAE) were taken as performance measures. It was found that the CoD between measured and predicted backbreak was 0.987 and 0.89 by SVM and MVRA, respectively, whereas the MAE was 0.29 and 1.07 by SVM and MVRA, respectively.

Khandelwal, Manoj; Monjezi, M.

2013-03-01

89

Develop a field grid system for yield mapping and machine control. Final report, Invention 544  

SciTech Connect

The objective of this project was to build and test the Field Grid Sense system for yield mapping and machine control during harvesting. Secondly, to use Field Grid Sense system with chemical application equipment to demonstrate a workable in-field system. This document contains summarized quarterly reports.

NONE

1995-12-15

90

Study of Man-Machine Communications Systems for Disabled Persons (The Handicapped). Volume VI. Final Report.  

ERIC Educational Resources Information Center

The instruction manual contains lessons for teaching severely physically and/or neurologically handicapped students to use the seven-key Cybertype electric writing machine. Unlike the 14-key keyboard, which requires bilateral coordination in arms, legs, or other parts of the body, the seven-key keyboard requires the use of only one part of the…

Kafafian, Haig

91

Study of Man-Machine Communications Systems for Disabled Persons (The Handicapped). Volume VII. Final Report.  

ERIC Educational Resources Information Center

Teaching instructions, lesson plans, and exercises are provided for severely physically and/or neurologically handicapped persons learning to use the Cybertype electric writing machine with a tongue-body keyboard. The keyboard, which has eight double-throw toggle switches and a three-position state-selector switch, is designed to be used by…

Kafafian, Haig

92

Standard Operating Procedure (SOP) All stock must be properly secured in the lathe chuck or mounted prior to the machining  

E-print Network

Standard Operating Procedure (SOP) ­ Lathe · All stock must be properly secured in the lathe chuck or mounted prior to the machining process taking place. Use the correct sized clamp or vise for the stock of the work striking any part of the lathe. · Check to ensure the cutting tool will not run into the chuck

Veiga, Pedro Manuel Barbosa

93

Degrons in Protein Substrates Program the Speed and Operating Efficiency of the AAA+ Lon Proteolytic Machine  

E-print Network

AAA+ proteases are ATP-fueled machines that bind protein substrates via a degradation tag, unfold the molecule if necessary, and then translocate the polypeptide into a chamber for proteolysis. Tag recognition is normally ...

Sauer, Robert T.

94

Applied machine vision of plants: a review with implications for field deployment in automated farming operations  

Microsoft Academic Search

Automated visual assessment of plant condition, specifically foliage wilting, reflectance and growth parameters, using machine\\u000a vision has potential use as input for real-time variable-rate irrigation and fertigation systems in precision agriculture.\\u000a This paper reviews the research literature for both outdoor and indoor applications of machine vision of plants, which reveals\\u000a that different environments necessitate varying levels of complexity in both

C. L. McCarthy; N. H. Hancock; S. R. Raine

2010-01-01

95

Operational readiness review phase-1 final report for WRAP1  

Microsoft Academic Search

This report documents the Operational Readiness Review for WRAP-1 Phase-1 operations. The report includes all criteria, lines of inquiry with resulting Findings and Observations. The review included assessing operational capability of the organization and the computer controlled process and facility systems.

Westinghouse Hanford

1996-01-01

96

A study pertaining to inertial energy storage machine designs for space applications. Final report  

SciTech Connect

The preliminary design of a counterrotating fast discharge homopolar generator (HPG) and a counterrotating active rotary flux compressor (CARFC) for space application is reported. The HPG is a counterrotating spool-type homopolar with superconducting field coil excitation. It delivers a 20-ms, 145-kJ pulse to a magnetoplasmahydrodynamic thruster. The peak output current is 42.7 kA at 240 V. After 20 ms the current is 29.7 kA at 167 V. The CARFC delivers ten 50-kJ, 250 microsecond pulses at 50-ms interval to six Xenon flash lamps pumping an Nd glass laser. The flux compressor is counterrotating for torque compensation. Current is started in the machine with a 5-kV, 5-kJ pulse-charged capacitor. Both designs were based upon demonstrated technology. The sensitivity of the designs to technology that may be available in five to ten years was determined.

Zowarka, R.C.

1981-08-01

97

Solano MOD2 wind turbine: operating experience, September 1984August 1985. Final report  

Microsoft Academic Search

Pacific Gas and Electric (PG and E) is operating and maintaining a 2500 kW MOD-2 wind turbine in Solano County, California. The wind turbine is an upwind machine with a 90 meter rotor diameter. To improve the understanding of wind turbine technology, the Electric Power Research Institute has sponsored a project to evaluate and document PG and E's experiences from

W. J. Steeley; M. Ilyin

1986-01-01

98

Optimum selection of machining conditions in abrasive flow machining using neural network  

Microsoft Academic Search

Abrasive flow machining (AFM) is a finishing process with wider bounds of application areas, which offers both automation and flexibility in final machining operations. This paper presents the use of neural network for modeling and optimal selection of input parameters of AFM process. First, a generalized back-propagation neural network with four inputs, two outputs, and one hidden layer has been

Rajendra Kumar Jain; Vijay Kumar Jain

2000-01-01

99

Control strategies for power smoothing using a flywheel driven by a sensorless vector-controlled induction machine operating in a wide speed range  

Microsoft Academic Search

This paper presents a novel control strategy for power smoothing. The system is based on a sensorless vector-controlled induction machine driving a flywheel. The problem of regulating the DC-link voltage against input power surges or sudden changes in load demand is addressed. The induction machine is controlled to operate in a wide speed range by using flux weakening above rated

Roberto Cárdenas; Rubén Peña; Greg M. Asher; Jon Clare; Ramón Blasco-Giménez

2004-01-01

100

Tuning Machine-Learning Algorithms for Battery-Operated Portable Devices  

Microsoft Academic Search

Machine learning algorithms in various forms are now increasingly being used on a variety of portable devices, starting from cell phones to PDAs. They often form a part of standard applications (e.g. for grammar-checking in email clients) that run on these devices and occupy a signific ant fraction of pro- cessor and memory bandwidth. However, most of the research within

Ziheng Lin; Yan Gu; Samarjit Chakraborty

2010-01-01

101

Machine Shop. Module 4: Power Saw and Drill Press Operation. Instructor's Guide.  

ERIC Educational Resources Information Center

This document consists of materials for a six-unit course on the following topics: (1) power saw safety and maintenance; (2) cutting stock to length; (3) band machining and contouring; (4) drill press types and safety; (5) drill press work-holding devices; and (6) tools and tool holders. The instructor's guide begins with a list of competencies…

Walden, Charles H.; Daniel, Bill

102

The usage of transient recorders in the daily HERA machine operation  

Microsoft Academic Search

Many parameters of HERA machine components such as RF systems or quench protection as well as important beam parameters are continuously measured using transient recorders. In general, these recorders are not synchronized among one another and sample the data with very different rates ranging from 200 Hz to 50 MHz. At present, work is going on to integrate the different

R. Bacher; M. Clausen; P. Duval; L. Steffen

1997-01-01

103

FINAL REPORT ON CONTROL ALGORITHM TO IMPROVE THE PARTIAL-LOAD EFFICIENCY OFSURFACE PM MACHINES WITH FRACTIONAL-SLOT CONCENTRATED WINDINGS  

SciTech Connect

Surface permanent magnet (SPM) synchronous machines using fractional-slot concentrated windings are being investigated as candidates for high-performance traction machines for automotive electric propulsion systems. It has been shown analytically and experimentally that such designs can achieve very wide constant-power speed ratios (CPSR) [1,2]. This work has shown that machines of this type are capable of achieving very low cogging torque amplitudes as well as significantly increasing the machine power density [3-5] compared to SPM machines using conventional distributed windings. High efficiency can be achieved in this class of SPM machine by making special efforts to suppress the eddy-current losses in the magnets [6-8], accompanied by efforts to minimize the iron losses in the rotor and stator cores. Considerable attention has traditionally been devoted to maximizing the full-load efficiency of traction machines at their rated operating points and along their maximum-power vs. speed envelopes for higher speeds [9,10]. For example, on-line control approaches have been presented for maximizing the full-load efficiency of PM synchronous machines, including the use of negative d-axis stator current to reduce the core losses [11,12]. However, another important performance specification for electric traction applications is the machine's efficiency at partial loads. Partial-load efficiency is particularly important if the target traction application requires long periods of cruising operation at light loads that are significantly lower than the maximum drive capabilities. While the design of the machine itself is clearly important, investigation has shown that this is a case where the choice of the control algorithm plays a critical role in determining the maximum partial-load efficiency that the machine actually achieves in the traction drive system. There is no evidence that this important topic has been addressed for this type of SPM machine by any other authors. This topic takes on even greater significance for fractional-slot concentrated-winding SPM machine designs. In particular, maximizing the torque/power density of this class of SPM machines typically leads to machine designs with high numbers of poles. The resulting high electrical frequencies can easily result in high stator core losses unless special care is taken during the machine design process. The purpose of this report is to discuss a modified vector control algorithm for a fractional-slot concentrated winding SPM machine that has been developed to maximize the machine's partial-load efficiency over a wide range of operating conditions. For purposes of this discussion, a 55 kW (peak) SPM machine designed to meet requirements established in the US FreedomCar program [13] is used as the basis for demonstrating the proposed technique. A combination of closed-form analysis [14] and finite element analysis (FEA) is used during this investigation.

Reddy, P.B.; Jahns, T.M.

2007-04-30

104

Final Report on Control Algorithm to Improve the Partial-Load Efficiency of Surface PM Machines with Fractional-Slot Concentrated Windings  

SciTech Connect

Surface permanent magnet (SPM) synchronous machines using fractional-slot concentrated windings are being investigated as candidates for high-performance traction machines for automotive electric propulsion systems. It has been shown analytically and experimentally that such designs can achieve very wide constant-power speed ratios (CPSR) [1,2]. This work has shown that machines of this type are capable of achieving very low cogging torque amplitudes as well as significantly increasing the machine power density [3-5] compared to SPM machines using conventional distributed windings. High efficiency can be achieved in this class of SPM machine by making special efforts to suppress the eddy-current losses in the magnets [6-8], accompanied by efforts to minimize the iron losses in the rotor and stator cores. Considerable attention has traditionally been devoted to maximizing the full-load efficiency of traction machines at their rated operating points and along their maximum-power vs. speed envelopes for higher speeds [9,10]. For example, on-line control approaches have been presented for maximizing the full-load efficiency of PM synchronous machines, including the use of negative d-axis stator current to reduce the core losses [11,12]. However, another important performance specification for electric traction applications is the machine's efficiency at partial loads. Partial-load efficiency is particularly important if the target traction application requires long periods of cruising operation at light loads that are significantly lower than the maximum drive capabilities. While the design of the machine itself is clearly important, investigation has shown that this is a case where the choice of the control algorithm plays a critical role in determining the maximum partial-load efficiency that the machine actually achieves in the traction drive system. There is no evidence that this important topic has been addressed for this type of SPM machine by any other authors. This topic takes on even greater significance for fractional-slot concentrated-winding SPM machine designs. In particular, maximizing the torque/power density of this class of SPM machines typically leads to machine designs with high numbers of poles. The resulting high electrical frequencies can easily result in high stator core losses unless special care is taken during the machine design process. The purpose of this report is to discuss a modified vector control algorithm for a fractional-slot concentrated winding SPM machine that has been developed to maximize the machine's partial-load efficiency over a wide range of operating conditions. For purposes of this discussion, a 55 kW (peak) SPM machine designed to meet requirements established in the US FreedomCar program [13] is used as the basis for demonstrating the proposed technique. A combination of closed-form analysis [14] and finite element analysis (FEA) is used during this investigation.

McKeever, John W [ORNL; Reddy, Patel [University of Wisconsin; Jahns, Thomas M [ORNL

2007-05-01

105

Operations analysis of gravity assisted rapid transit. Final Report  

SciTech Connect

Gravity assisted rapid transit (GART) with 6 percent grades before and after each station are compared with conventional systems in terms of energy consumption, run time, line capacity and schedule stability under abnormal circumstances. Parametric analyses of run times and energy consumption include the impact of alternate accelerating and braking levels. The capcity analysis uses a network simulation program to determine the location and severity of all signal delays. Based on results of initial simulations, the block design was revised to eliminate bottlenecks in normal operations. The systems are then compared at headways of 80 to 180 seconds. One month of incidence reports of a modern operating transit system are reviewed to determine the failures to be simulated. The impact of failures resulting in station delays (30 to 360 seconds), speed limit reduction (20 mph and 30 mph to one or more trains), vehicle performance (75 percent acceleration) are compared at scheduled headway of 90 to 180 seconds.

Not Available

1981-10-01

106

Circular tests for HSM machine tools: Bore machining application  

Microsoft Academic Search

Today's High-Speed Machining (HSM) machine tool combines productivity and part quality. The difficulty inherent in HSM operations lies in understanding the impact of machine tool behaviour on machining time and part quality. Analysis of some of the relevant ISO standards [230. Acceptance code for machine tools. Part 4, Circular tests for numerically controlled machine-tools, April 1998, 10791. Test conditions for

Laurent Tapie; Kwamiwi Mawussi; Bernard Anselmetti

2007-01-01

107

Towards intelligent environments: an augmented reality-brain-machine interface operated with a see-through head-mount display.  

PubMed

The brain-machine interface (BMI) or brain-computer interface is a new interface technology that uses neurophysiological signals from the brain to control external machines or computers. This technology is expected to support daily activities, especially for persons with disabilities. To expand the range of activities enabled by this type of interface, here, we added augmented reality (AR) to a P300-based BMI. In this new system, we used a see-through head-mount display (HMD) to create control panels with flicker visual stimuli to support the user in areas close to controllable devices. When the attached camera detects an AR marker, the position and orientation of the marker are calculated, and the control panel for the pre-assigned appliance is created by the AR system and superimposed on the HMD. The participants were required to control system-compatible devices, and they successfully operated them without significant training. Online performance with the HMD was not different from that using an LCD monitor. Posterior and lateral (right or left) channel selections contributed to operation of the AR-BMI with both the HMD and LCD monitor. Our results indicate that AR-BMI systems operated with a see-through HMD may be useful in building advanced intelligent environments. PMID:21541307

Takano, Kouji; Hata, Naoki; Kansaku, Kenji

2011-01-01

108

Final Report - Membranes and MEA's for Dry, Hot Operating Conditions  

SciTech Connect

The focus of this program was to develop a new Proton Exchange Membrane (PEM) which can operate under hotter, dryer conditions than the state of the art membranes today and integrate it into a Membrane Electrode Assembly (MEA). These MEA's should meet the performance and durability requirements outlined in the solicitation, operating under low humidification conditions and at temperatures ranging from -20���ºC to 120���ºC, to meet 2010 DOE technical targets for membranes. This membrane should operate under low humidification conditions and at temperatures ranging from -20���ºC to 120���ºC in order to meet DOE HFCIT 2010 commercialization targets for automotive fuel cells. Membranes developed in this program may also have improved durability and performance characteristics making them useful in stationary fuel cell applications. The new membranes, and the MEA�¢����s comprising them, should be manufacturable at high volumes and at costs which can meet industry and DOE targets. This work included: A) Studies to better understand factors controlling proton transport within the electrolyte membrane, mechanisms of polymer degradation (in situ and ex situ) and membrane durability in an MEA; B) Development of new polymers with increased proton conductivity over the range of temperatures from -20���ºC to 120���ºC and at lower levels of humidification and with improved chemical and mechanical stability; C) Development of new membrane additives for increased durability and conductivity under these dry conditions; D) Integration of these new materials into membranes and membranes into MEA�¢����s, including catalyst and gas diffusion layer selection and integration; E) Verification that these materials can be made using processes which are scalable to commercial volumes using cost effective methods; F) MEA testing in single cells using realistic automotive testing protocols. This project addresses technical barriers A (Durability) and C (Performance) from the Fuel Cells section of the 2005 Hydrogen, Fuel Cells and Infrastructure Technologies Program Multi-Year R&D Plan. In the course of this four-year program we developed a new PEM with improved proton conductivity, chemical stability and mechanical stability. We incorporated this new membrane into MEAs and evaluated performance and durability.

Hamrock, Steven J.

2011-06-30

109

Operational testing of intelligent rail lubrication system. Final report  

SciTech Connect

This IDEA project designs, builds, and demonstrates an automated, computer-controlled onboard intelligent system for applying new environmentally safe and consumable lubricants for rail systems. The IDEA product is to be operationally tested in a commuter rail system (METRA) for providing controlled lubrication on rails and wheel in an environmentally safe way. The lubricant applied to the rail will reduce friction between the wheel and rail and is expected to provide significant benefits in maintenance, safety, and overall economic efficiency. Progressive development of a rail lubrication system for US railroads indicates potential major benefits including reduction in wheel wear, rail wear, and track maintenance costs. Significant benefits transferable to commuter rail and high-speed transit systems are expected as well.

Kumar, S.

1998-06-01

110

Jackson Bluff Hydroelectric Project: Final operation and maintenance report  

SciTech Connect

The Jackson Bluff Hydroelectric Project is the first hydroelectric plant developed by the City of Tallahassee. The project is located on the Ochlockonee River approximately 66 miles upstream from its mouth at the Gulf of Mexico and approximately 20 miles west-southwest of the city of Tallahassee, Florida. The original hydroelectric generating facility with a total capacity of 8800 kw was retired in 1970. In the late seventies, the Department of Energy (DOE) classified the site as potential site for the Hydroelectric Demonstration Project. The City of Tallahassee submitted a proposal to DOE to reinstall generating equipment and operate the facility. The proposal was approved and after a feasibility study, the City was granted $1.75 million by DOE to meet approximately 15/percent/ of the total project cost. The existing powerhouse and intake serves to utilize three vertical-shaft turbines, two fixed blade and one adjustable blade propeller (Kaplan). The two fixed blade turbines drive a 4440 kw synchronous generator each and the adjustable blade propeller drives a 3438 kw synchronous generator. The plant design flow is 5200 cubic feet per second and the rated net head for the turbines is 32 feet. The runner diameters are 125.8 inches (fixed blade) and 104.7 inches (adjustable blade). In early 1983, with the proposal approved and the feasibility study completed, the City of Tallahassee took over the responsibility of the project. The rehabilitation work started in July 1983, and was completed in early 1986.

Hinton, J.; deMontmollin, F.

1988-03-01

111

Lake Billy Shaw Operations and Maintenance, Final Annual Report 2000.  

SciTech Connect

Lake Billy Shaw is a newly constructed earthen dam reservoir with a surface area of 430 acres. Construction on the dam and structures was complete in November of 1998. The fish screen structures were complete in December of 1998, with initial filling in May 1999. Upon initial filling, dam structures, monitoring wells, fish screen structures, and lake level were monitored daily, with recordings being taken three times/week. During June 1999 the water to the lake was turned off in order to complete additional construction work on the lake. This work included installation of culverts around the perimeter road, installation of boat launches, finish work on the spillway structure, pumphouse and well protection and planting 4 trees along the entrance to the boat launch area. The water was turned on again in late September 1999 with all structures having been checked, fish screens greased and maintained and well levels being monitored. In 2000 the Operations and Maintenance portion of the project began with monitoring of piezometers, water levels, biological monitoring, riparian plantings, protection of shorelines, and maintenance of structures and appurtances.

Dodson, Guy; Pero, Vincent (Shoshone-Paiute Tribes of the Duck Valley Reservation. Dept. of Habitat, Parks, Fish and Game.)

2002-01-01

112

Operations-Oriented Performance Measures for Freeway Management Systems: Final Report.  

National Technical Information Service (NTIS)

This report describes the second and final year activities of the project titled Using Operations-Oriented Performance Measures to Support Freeway Management Systems. Work activities included developing a prototype system architecture for testing the use ...

A. Upayokin, M. L. Sattler, R. E. Brydia, S. P. Mattingly

2008-01-01

113

Smart Infrared Inspection System Field Operational Test Final Report  

SciTech Connect

The Smart InfraRed Inspection System (SIRIS) is a tool designed to assist inspectors in determining which vehicles passing through the SIRIS system are in need of further inspection by measuring the thermal data from the wheel components. As a vehicle enters the system, infrared cameras on the road measure temperatures of the brakes, tires, and wheel bearings on both wheel ends of commercial motor vehicles (CMVs) in motion. This thermal data is then presented to enforcement personal inside of the inspection station on a user friendly interface. Vehicles that are suspected to have a violation are automatically alerted to the enforcement staff. The main goal of the SIRIS field operational test (FOT) was to collect data to evaluate the performance of the prototype system and determine the viability of such a system being used for commercial motor vehicle enforcement. From March 2010 to September 2010, ORNL facilitated the SIRIS FOT at the Greene County Inspection Station (IS) in Greeneville, Tennessee. During the course of the FOT, 413 CMVs were given a North American Standard (NAS) Level-1 inspection. Of those 413 CMVs, 384 were subjected to a SIRIS screening. A total of 36 (9.38%) of the vehicles were flagged by SIRIS as having one or more thermal issues; with brakes issues making up 33 (91.67%) of those. Of the 36 vehicles flagged as having thermal issues, 31 (86.11%) were found to have a violation and 30 (83.33%) of those vehicles were placed out-of-service (OOS). Overall the enforcement personnel who have used SIRIS for screening purposes have had positive feedback on the potential of SIRIS. With improvements in detection algorithms and stability, the system will be beneficial to the CMV enforcement community and increase overall trooper productivity by accurately identifying a higher percentage of CMVs to be placed OOS with minimal error. No future evaluation of SIRIS has been deemed necessary and specifications for a production system will soon be drafted.

Siekmann, Adam [ORNL; Capps, Gary J [ORNL; Franzese, Oscar [ORNL; Lascurain, Mary Beth [ORNL

2011-06-01

114

A Sensorless Adaptive Stator Winding Temperature Estimator for Mains-Fed Induction Machines With Continuous-Operation Periodic Duty Cycles  

Microsoft Academic Search

An induction machine's thermal behavior is determined by various machine components with dissimilar thermal characteristics. When a model with a single thermal time constant is used to characterize the machine's thermal behavior under periodic duty cycles, the magnitude of the thermal time constant needs to be adjusted according to the duty cycles to reflect the machine's dominant thermal dynamics during

Zhi Gao; Thomas G. Habetler; Ronald G. Harley; Roy S. Colby

2008-01-01

115

Incident management systems and strategies: Traffic Operations Center operations manual. Final report, December 1997--October 1998  

SciTech Connect

The Arizona Department of Transportation (ADOT) Traffic Operations Center (TOC) opened during 1995 in Phoenix. Procedures for its operation were developed on an informal basis and copies were maintained by each operator. In late 1997, the firms of Lima and Associates and PB Farradyne were retained to research existing programs in three states. This was done to determine if the procedures at the Phoenix TOC were adequate and whether additional procedures needed to be implemented.

Lima, P.M.; O`Laughlin, J.B.

1998-10-01

116

Attention and its role in the operator's work. [control stability in man machine systems  

NASA Technical Reports Server (NTRS)

A complex attentiometer investigation of the distribution, redirection, and concentration of attention during an operator's work notes the following stages: (1) General attentiveness is still not adequately expressed in the beginning; and (2) operator self-control of actions develops and gradually decreases errors in redirecting and distributing attention. A definite relationship is found between the improvement of concentration, distribution and redirection of attention and automation of sensorimotor performance. Excercises prove less effective in redirection of attention.

Shvetsov, O. P.

1975-01-01

117

A Brain-Machine Interface Operating with a Real-Time Spiking Neural Network Control Algorithm  

PubMed Central

Motor prostheses aim to restore function to disabled patients. Despite compelling proof of concept systems, barriers to clinical translation remain. One challenge is to develop a low-power, fully-implantable system that dissipates only minimal power so as not to damage tissue. To this end, we implemented a Kalman-filter based decoder via a spiking neural network (SNN) and tested it in brain-machine interface (BMI) experiments with a rhesus monkey. The Kalman filter was trained to predict the arm’s velocity and mapped on to the SNN using the Neural Engineering Framework (NEF). A 2,000-neuron embedded Matlab SNN implementation runs in real-time and its closed-loop performance is quite comparable to that of the standard Kalman filter. The success of this closed-loop decoder holds promise for hardware SNN implementations of statistical signal processing algorithms on neuromorphic chips, which may offer power savings necessary to overcome a major obstacle to the successful clinical translation of neural motor prostheses.

Dethier, Julie; Nuyujukian, Paul; Eliasmith, Chris; Stewart, Terry; Elassaad, Shauki A.; Shenoy, Krishna V.; Boahen, Kwabena

2013-01-01

118

Project 1: Process of designing Inoculation machine I Inoculation is an essential operation in microbiological labs.  

E-print Network

inoculation, is often time and skill restricted. Even skilled workers can easily make fatigue mistake which the strength of laboring. Step 1. Problems observation There are some long existing problems involved, but also becomes an unnecessary physical burden on researchers. Fatigue caused by long time operation often

Matsuoka, Yoky

119

Validating cognitive support for operators of complex human-machine systems  

SciTech Connect

Modem nuclear power plants (NPPs) are complex systems whose performance is the result of an intricate interaction of human and system control. A complex system may be defined as one which supports a dynamic process involving a large number of elements that interact in many different ways. Safety is addressed through defense-in-depth design and preplanning; i.e., designers consider the types of failures that are most likely to occur and those of high consequence, and design their solutions in advance. However, complex interactions and their failure modes cannot always be anticipated by the designer and may be unfamiliar to plant personnel. These situations may pose cognitive demands on plant personnel, both individually and as a crew. Other factors may contribute to the cognitive challenges of NPP operation as well, including hierarchal processes, dynamic pace, system redundancy and reliability, and conflicting objectives. These factors are discussed in this paper.

O`Hara, J. [Brookhaven National Lab., Upton, NY (United States); Wachtel, J. [US Nuclear Regulatory Commission, Washington, DC (United States)

1995-10-01

120

Green Sturgeon, Longfin smelt, and dredging operations in the San Francisco Estuary FINAL AGENDA  

E-print Network

Green Sturgeon, Longfin smelt, and dredging operations in the San Francisco Estuary FINAL AGENDA for Dredged Material 9:15-9:20 Ellen Johnck (Bay Planning Coalition) Welcome 9:20-9:30 Len Cardoza (Weston Solutions) Stakeholder perspective 9:30-9:45 David Woodbury (NMFS) Risk to green sturgeon from dredging

121

Phase 5 storage (Project W-112) Central Waste Complex operational readiness review, final report  

SciTech Connect

This document is the final report for the RFSH conducted, Contractor Operational Readiness Review (ORR) for the Central Waste Complex (CWC) Project W-112 and Interim Safety Basis implementation. As appendices, all findings, observations, lines of inquiry and the implementation plan are included.

Wight, R.H.

1997-05-30

122

Phase 5 storage (Project W-112) Central Waste Complex operational readiness review, final report  

Microsoft Academic Search

This document is the final report for the RFSH conducted, Contractor Operational Readiness Review (ORR) for the Central Waste Complex (CWC) Project W-112 and Interim Safety Basis implementation. As appendices, all findings, observations, lines of inquiry and the implementation plan are included.

Wight

1997-01-01

123

The Knife Machine. Module 15.  

ERIC Educational Resources Information Center

This module on the knife machine, one in a series dealing with industrial sewing machines, their attachments, and operation, covers one topic: performing special operations on the knife machine (a single needle or multi-needle machine which sews and cuts at the same time). These components are provided: an introduction, directions, an objective,…

South Carolina State Dept. of Education, Columbia. Office of Vocational Education.

124

MACHINE MONITORING USING PROBABILITY THRESHOLDS  

E-print Network

MACHINE MONITORING USING PROBABILITY THRESHOLDS AND SYSTEM OPERATING CHARACTERISTICS Stephen M a discrete-part production machine, with the objective of effectively determining when to shut the machine analysis: a) There is an underlying time interval that characterizes the operation of the machine, most

Pollock, Stephen

125

Drilling Machines: Vocational Machine Shop.  

ERIC Educational Resources Information Center

The lessons and supportive information in this field tested instructional block provide a guide for teachers in developing a machine shop course of study in drilling. The document is comprised of operation sheets, information sheets, and transparency masters for 23 lessons. Each lesson plan includes a performance objective, material and tools,…

Thomas, John C.

126

A novel 0-1 linear integer programming model for dynamic machine-tool selection and operation allocation in a flexible manufacturing system  

Microsoft Academic Search

This paper considers a problem of dynamic machine-tool selection and operation allocation with part and tool movement policies in a flexible manufacturing system (FMS) environment. For this purpose, a novel 0-1 linear integer programming model is presented in such a way that each part and each tool can move during the production phase. It is assumed that there are a

M. H. M. A. Jahromi; R. Tavakkoli-Moghaddam

127

Very-high-speed holographic message routing for parallel machines. Final report, 1 Sep 88-31 Aug 90  

SciTech Connect

An important problem in massively parallel processing machines is the communication bottleneck. For example, in the Connection Machine, a 65,536 SIMD parallel processing message routing is one thousand times slower than the instruction time of an individual processor. This is, in part, due to contention problems and in part to the necessity for global control of the interconnection network. Our approach to solve this problem is to implement a fully-parallel, high-speed message router, using locally-controlled spatial light modulators and volume holograms. Johnson and Reif devised an efficient electro-optical message routing system. We implemented a small prototype holographic router for demonstration of basic principals. The routing system uses a volume hologram to do message switching. It uses optimal O(n log(n)) number of switches, constant time, and optimal volume. This work can be applied to do very high speed message routing for massively parallel machines such as required by the Connection Machine,

Reif, J.H.

1990-09-01

128

Development of a Machine Form Union Catalog for the New England Library Information Network (NELINET). Final Report.  

ERIC Educational Resources Information Center

Based on a literature survey of union cataloging, and New England libraries it was determined that: (1) New England's collective union catalog needs and problems had not been specified, especially regarding the possibilities of machine application; (2) crucial data and analysis needed for such specification was unavailable; and (3) the absence of…

Goldstein, Samuel; And Others

129

Your Sewing Machine.  

ERIC Educational Resources Information Center

The programed instruction manual is designed to aid the student in learning the parts, uses, and operation of the sewing machine. Drawings of sewing machine parts are presented, and space is provided for the student's written responses. Following an introductory section identifying sewing machine parts, the manual deals with each part and its…

Peacock, Marion E.

130

Cable-Twisting Machine  

NASA Technical Reports Server (NTRS)

New cable-twisting machine is smaller and faster than many production units. Is useful mainly in production of short-run special cables. Already-twisted cable can be fed along axis of machine. Faster operation than typical industrial cable-twisting machines possible by using smaller spools of wire.

Kurnett, S.

1982-01-01

131

Experimental program based on a High Beta Q Machine. Final report, 1 May 1978-30 September 1980  

SciTech Connect

This report summarizes work done in designing and constructing the High Beta Q Machine from the inception of the work in May 1978 until the present time. It is a 3-m long, low-compression theta pinch with a 22-cm-diameter segmented compression coil with a minimum axial periodicity length of 10 cm. This capability of driving the machine as a simple, low-density theta pinch, and also of independently applying periodic magnetic fields before or after formation of the plasma column, gives the device considerable flexibility. Reported here is the construction and testing of the machine, development of its diagnostics and initial measurements of the plasma at early times in the duration of the crowbarred magnetic field. The experimental effort has been paralleled by theoretical work to model the diffuse profile, collisionless plasma in its response to the periodic RF magnetic fields. The model chosen is the Freidberg-Pearlstein Vlasov-fluid model which provides an MHD-like description but with accounting of ion kinetic effects over diffuse equilibrium profiles. A computer code has been developed to accurately calculate the resistive response of the plasma column, giving the power absorption by ion Landau damping and more recently, ion-cyclotron damping.

Ribe, F. L

1980-07-01

132

A study on the machining-parameters optimization of wire electrical discharge machining  

Microsoft Academic Search

A suitable selection of machining parameters for the wire electrical discharge machining (WEDM) process relies heavily on the operators' technologies and experience because of their numerous and diverse range. Machining-parameters tables provided by the machine-tool builder can not meet the operators' requirements, since for an arbitrary desired roughness of the machining surface, they do not provide the optimal machining conditions.

Y. S. Liao; J. T. Huang; H. C. Su

1997-01-01

133

Columbia River System Operation Review : Final Environmental Impact Statement, Main Report Exhibits.  

SciTech Connect

This Volume is a part of the Final Environmental Impact Statement (EIS) for the Columbia River System. This volume contains technical exhibits of cultural resources and commentary on the (System Operation Review) SOR process. The Confederated Tribes of the Umatilla Indian Reservation comment is the majority of the material in the volume, in the Consultation Plan, Identification of trust resources; Criteria for the selection of a System Operating Strategy; comment on rights protection and implementation of Federal Trust responsibility; analysis of the draft EIS. Comment by other Native American Tribes and groups is also included: Confederated Tribes of the Colville Reservation; Kootenai Tribe of Idaho; Spokane Tribe of Indians; Coeur d` Alene tribe.

Columbia River System Operation Review (U.S.)

1995-11-01

134

Columbia River System Operation Review : Final Environmental Impact Statement, Main Report.  

SciTech Connect

The System Operation Review (SOR) Final EIS addresses four actions: (a) need to develop coordinated strategy for managing the multiple uses of the Federal Columbia River system (System Operating Strategy [SOS]); (b) need to provide interested parties other than management agencies with a long-term role in system planning (Forum); (c) need to renew or change current Canadian Entitlement Allocation Agreements (CEAA); and (d) need to renegotiate and renew the Pacific Northwest Coordination Agreement (PNCA). SOS alternatives analyzed are: (1) operation prior to Endangered Species Act listings of salmon stocks; (2) current operations (no action); (3) stable storage project operation; (4) natural river operation; (5) fixed drawdown; (6) operating strategies proposed by the U.S. Fish and Wildlife Service, National Marine Fisheries Service, State fisheries agencies, Native American tribes, and Federal operating agencies; and (7) Preferred Alternative. The seven Forum alternatives analyzed are: (1) decisionmaking by the SOR lead agencies (preferred alternative); (2) decisionmaking by SOR lead agencies and recommendations by an existing regional entity; (3) decisionmaking by SOR lead agencies and recommendations by a new regional entity; (4) decisionmaking by a Federal consultation forum; (5) decisionmaking by a new entity; (6) decisionmaking by one Federal operating agency; (7) decisionmaking by a Federal agency other than an operating agency. PNCA alternatives analyzed are: (1) no replacement contract; (2) contract to maximize regional power benefits; (3) roll over existing PNCA; (4) current PNCA with modified operating procedures (preferred alternative); (5) current PNCA with nonpower modifications. CEAA alternatives include: (1) no action (no replacement of current allocation agreements); (2) entitlement allocation: 55 percent Federal; 45 percent non-Federal; (3) entitlement allocation: 70 percent Federal, 30 percent non-Federal (preferred alternative); (4) no agreement.

Columbia River System Operation Review (U.S.); United States. Bonneville Power Administration; United States. Army. Corps of Engineers. North Pacific Division; United States. Bureau of Reclamation. Pacific Northwest Region.

1995-11-01

135

Cost estimates of operating onsite spent fuel pools after final reactor shutdown  

SciTech Connect

This report presents estimates of the annual costs of operating spent fuel pools at nuclear power stations after the final shutdown of one or more onsite reactors. Its purpose is to provide basic spent fuel storage cost information for use in evaluating DOE's reference nuclear waste management system, as well as alternate systems. The basic model of an independent spent fuel storage installation (ISFSI) used in this study was based on General Electric Corporation's Morris Operation and was modified to reflect mean storage capabilities at an unspecified, or generic,'' US reactor site. Cost data for the model came from several sources, including both operating and shutdown nuclear power stations and existing ISFSIs. Duke Power Company has estimated ISFSI costs based on existing spent fuel storage costs at its nuclear power stations. Similarly, nuclear material handling facilities such as the Morris Operation, the West Valley Demonstration Project, and the retired Humbolt Bay nuclear power station have compiled spent fuel storage cost data based on years of operating experience. Consideration was given to the following factors that would cause operating costs to vary among pools: (1) The number of spent fuel pools at a given reactor site; (2) the number of operating and shutdown reactors onsite; (3) geographic location; and (4) pool storage capacity. 10 ref., 6 figs., 7 tabs.

Rod, S R

1991-08-01

136

Analysis of a display and control system man-machine interface concept. Volume 1: Final technical report  

NASA Technical Reports Server (NTRS)

An evaluation was made of the feasibility of utilizing a simplified man machine interface concept to manage and control a complex space system involving multiple redundant computers that control multiple redundant subsystems. The concept involves the use of a CRT for display and a simple keyboard for control, with a tree-type control logic for accessing and controlling mission, systems, and subsystem elements. The concept was evaluated in terms of the Phase B space shuttle orbiter, to utilize the wide scope of data management and subsystem control inherent in the central data management subsystem provided by the Phase B design philosophy. Results of these investigations are reported in four volumes.

Karl, D. R.

1972-01-01

137

Fullerene Machines  

NASA Technical Reports Server (NTRS)

Fullerenes possess remarkable properties and many investigators have examined the mechanical, electronic and other characteristics of carbon SP2 systems in some detail. In addition, C-60 can be functionalized with many classes of molecular fragments and we may expect the caps of carbon nanotubes to have a similar chemistry. Finally, carbon nanotubes have been attached to t he end of scanning probe microscope (Spill) tips. Spills can be manipulated with sub-angstrom accuracy. Together, these investigations suggest that complex molecular machines made of fullerenes may someday be created and manipulated with very high accuracy. We have studied some such systems computationally (primarily functionalized carbon nanotube gears and computer components). If such machines can be combined appropriately, a class of materials may be created that can sense their environment, calculate a response, and act. The implications of such hypothetical materials are substantial.

Globus, Al; Saini, Subhash (Technical Monitor)

1998-01-01

138

Performance evaluation of Automatic Extraction System. Volume IV. Recommended operating, maintenance, and training plans. Final technical report  

SciTech Connect

Since the AES is a different and more sochisticated machine, it became apparent during the in-mine trial that more than on-the-job training (OJT) is desirable for the operators. The AES is unique in that it should remain in the face for long periods rather than be moved often from the face to face. In addition, the operator should learn to trust the ACS in order to be more aware of the hazards in the face area. More training is one way to help increase operator and machine efficiency and safety consciousness. The lack of formal, organized, scheduled, non-productive-mode training of the AES operators appeared to affect the performance of the AES during mining, tramming, maneuvering, and bolting. Therefore, before the operator and bolters do their jobs and the mechanics maintain the AES on a regular basis in a production-mode, they should attend classes, including: (1) formal above ground classroom training, (2) non-productive-mode underground training, and (3) productive-mode OJT. The training department should have the authority and resources to train workers beforehand, and also whenever subsequent instruction is needed. This plan includes only those areas peculiar to the AES. It is assumed that mature, competent individuals (operators and bolters) have already been trained to use similar machines. If this is not the case, the training will require significantly more time.

Frantz, R.L.; King, R.H.; Bartsch, D.L.

1980-07-01

139

Agile Machining and Inspection Non-Nuclear Report (NNR) Project  

SciTech Connect

This report is a high level summary of the eight major projects funded by the Agile Machining and Inspection Non-Nuclear Readiness (NNR) project (FY06.0422.3.04.R1). The largest project of the group is the Rapid Response project in which the six major sub categories are summarized. This project focused on the operations of the machining departments that will comprise Special Applications Machining (SAM) in the Kansas City Responsive Infrastructure Manufacturing & Sourcing (KCRIMS) project. This project was aimed at upgrading older machine tools, developing new inspection tools, eliminating Classified Removable Electronic Media (CREM) in the handling of classified Numerical Control (NC) programs by installing the CRONOS network, and developing methods to automatically load Coordinated-Measuring Machine (CMM) inspection data into bomb books and product score cards. Finally, the project personnel leaned perations of some of the machine tool cells, and now have the model to continue this activity.

Lazarus, Lloyd

2009-02-19

140

Environmental and Organizational Factors Associated with Elbow/Forearm and Hand/Wrist Disorder among Sewing Machine Operators of Garment Industry in Ethiopia  

PubMed Central

Occupational health problems related to upper limp musculoskeletal disorders were the major issue among sewing machine operators of garment industries in Ethiopia. The aim of this study was to assess the prevalence and associated risk factors of work related elbow and wrist musculoskeletal disorders among sewing machine operators of garment industries in Galan City, Oromia Regional State. A cross-sectional study was conducted from April 1 to 30, 2012. A total of 422 study subjects were included in this study. Standard Nordic Musculoskeletal Questionnaire was used to collect detailed information on musculoskeletal symptom, sociodemographic data, and factors associated with the problems through face to face interview. From a total of 422 sewing machine operators included in the study 370 (87.7%) were females and 306 (72.5%) were in the age group of <30 years. The prevalence of self-reported work related elbow and wrist musculoskeletal disorders was 40% and 37.7%, respectively. In multivariate analysis, those who had >16 years of service were about five times more likely to develop elbow and wrist musculoskeletal disorders than those who had short (1–5 years) year of services [AOR = 4.7, 95% CI: 1.55–13.02], physical activities [AOR = 5.02, 95% CI: 1.57–16.00], and methods of payment [AOR = 2.01, 95% CI: 1.23–3.28], factors significantly associated with this disorders. Work related elbow and wrist musculoskeletal disorders were high among sewing machine operators in selected garment industries. Moreover, personal and environmental factors were identified as the potential risk factors related to elbow and wrist musculoskeletal disorders among the study group. Therefore, government and the owner of the garment industries should give special attention to prevent and control the problems through proper occupational health and safety policy implementation in the country. PMID:25298780

Kebede Deyyas, Wakjira; Tafese, Ararso

2014-01-01

141

Multiple Model Soft Sensor Based on Affinity Propagation, Gaussian Process and Bayesian Committee Machine  

Microsoft Academic Search

Presented is a multiple model soft sensing method based on Affinity Propagation (AP), Gaussian process (GP) and Bayesian committee machine (BCM). AP clustering arithmetic is used to cluster training samples according to their operating points. Then, the sub-models are estimated by Gaussian Process Regression (GPR). Finally, in order to get a global probabilistic prediction, Bayesian committee machine is used to

Xiuliang LI; Hongye SU; Jian CHU

2009-01-01

142

Fullerene Machines  

NASA Technical Reports Server (NTRS)

Recent computational efforts at NASA Ames Research Center and computation and experiment elsewhere suggest that a nanotechnology of machine phase functionalized fullerenes may be synthetically accessible and of great interest. We have computationally demonstrated that molecular gears fashioned from (14,0) single-walled carbon nanotubes and benzyne teeth should operate well at 50-100 gigahertz. Preliminary results suggest that these gears can be cooled by a helium atmosphere and a laser motor can power fullerene gears if a positive and negative charge have been added to form a dipole. In addition, we have unproven concepts based on experimental and computational evidence for support structures, computer control, a system architecture, a variety of components, and manufacture. Combining fullerene machines with the remarkable mechanical properties of carbon nanotubes, there is some reason to believe that a focused effort to develop fullerene nanotechnology could yield materials with tremendous properties.

Globus, Al; Saini, Subhash

1998-01-01

143

Phase 3 Final Topical Report for the Remote Operated Vehicle with C02 Blasting (ROVCO2)  

SciTech Connect

This report documents the third and final phase of the Remote Operated Vehicle with CO2 Blasting (ROVCO2) Program. The Program=s goal is to develop and demonstrate a tool to improve the productivity of concrete floor decontamination. In Phase 3 of the ROVCO2 program, the workhead and the COYOTEE end-effector were redesigned, and effectiveness and productivity tests were performed. This report documents the development activities. The results show that the ROVCO2 system is an efficient decontamination tool, but with relatively slow production rates.

None

1998-04-14

144

Machine Learning  

NASA Astrophysics Data System (ADS)

The purpose of this chapter is to present fundamental ideas and techniques of machine learning suitable for the field of this book, i.e., for automated scientific discovery. The chapter focuses on those symbolic machine learning methods, which produce results that are suitable to be interpreted and understood by humans. This is particularly important in the context of automated scientific discovery as the scientific theories to be produced by machines are usually meant to be interpreted by humans. This chapter contains some of the most influential ideas and concepts in machine learning research to give the reader a basic insight into the field. After the introduction in Sect. 1, general ideas of how learning problems can be framed are given in Sect. 2. The section provides useful perspectives to better understand what learning algorithms actually do. Section 3 presents the Version space model which is an early learning algorithm as well as a conceptual framework, that provides important insight into the general mechanisms behind most learning algorithms. In section 4, a family of learning algorithms, the AQ family for learning classification rules is presented. The AQ family belongs to the early approaches in machine learning. The next, Sect. 5 presents the basic principles of decision tree learners. Decision tree learners belong to the most influential class of inductive learning algorithms today. Finally, a more recent group of learning systems are presented in Sect. 6, which learn relational concepts within the framework of logic programming. This is a particularly interesting group of learning systems since the framework allows also to incorporate background knowledge which may assist in generalisation. Section 7 discusses Association Rules - a technique that comes from the related field of Data mining. Section 8 presents the basic idea of the Naive Bayesian Classifier. While this is a very popular learning technique, the learning result is not well suited for human comprehension as it is essentially a large collection of probability values. In Sect. 9, we present a generic method for improving accuracy of a given learner by generatingmultiple classifiers using variations of the training data. While this works well in most cases, the resulting classifiers have significantly increased complexity and, hence, tend to destroy the human readability of the learning result that a single learner may produce. Section 10 contains a summary, mentions briefly other techniques not discussed in this chapter and presents outlook on the potential of machine learning in the future.

Hoffmann, Achim; Mahidadia, Ashesh

145

29 CFR 570.61 - Occupations in the operation of power-driven meat-processing machines and occupations involving...  

Code of Federal Regulations, 2012 CFR

...animal fats, scrap meats, blood, and bones into stock feeds, tallow, inedible greases...meat patty forming machines, meat and bone cutting saws, poultry scissors or shears...Boning occupations means the removal of bones from meat cuts. It does not include...

2012-07-01

146

29 CFR 570.61 - Occupations in the operation of power-driven meat-processing machines and occupations involving...  

Code of Federal Regulations, 2013 CFR

...animal fats, scrap meats, blood, and bones into stock feeds, tallow, inedible greases...meat patty forming machines, meat and bone cutting saws, poultry scissors or shears...Boning occupations means the removal of bones from meat cuts. It does not include...

2013-07-01

147

29 CFR 570.61 - Occupations in the operation of power-driven meat-processing machines and occupations involving...  

...animal fats, scrap meats, blood, and bones into stock feeds, tallow, inedible greases...meat patty forming machines, meat and bone cutting saws, poultry scissors or shears...Boning occupations means the removal of bones from meat cuts. It does not include...

2014-07-01

148

Development of traffic simulation laboratory for design planning and traffic operations: Phase 1. Final report  

SciTech Connect

The key element in improving traffic operations and performing effective real time management is the ability to assess the effectiveness of the various alternatives prior to implementation. Simulation methods have long been recognized as the most effective tool for such an analysis, and various simulators have been developed by different agencies for freeway and arterial networks. While there have been individual tests of each software by various agencies, no comprehensive effort has been made to quantify and evaluate the performance of each model. The major difficulty includes the lack of detailed real data and the time-consuming manual effort to prepare input information for each software. Recent installation of the state-of-the art video detection systems in the I-394 freeway provides a unique opportunity to develop a comprehensive freeway database that can be used to create various test cases with detailed traffic database that can be used to create various test cases with detailed traffic information. Further, the I-494 Integrated Corridor Traffic Management project being conducted by MN/DOT will be able to provide valuable corridor traffic data which can be used for evaluating freeway/arterial network models. By evaluating existing traffic simulation models the advantages/disadvantages of each model can be identified. Based on the evaluation results a comprehensive modeling approach for freeway/arterial networks can be developed. The ultimate goal of this research is to develop a traffic simulation laboratory where various roadway design/operational alternatives can be evaluated with traffic simulators under an integrated database-simulation environment. The proposed research, Phase 1, will evaluate existing freeway simulation models with detailed traffic data to be collected using machine-vision and loop detection systems.

Michalopoulos, P.; Sommers, K.; Reynhout, K.; Kota, R.; Kwon, E.

1996-12-01

149

8. VIEW OF THE MACHINE SHOP. BY 1966, THE MACHINE ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

8. VIEW OF THE MACHINE SHOP. BY 1966, THE MACHINE SHOP HANDLED PRIMARILY STAINLESS STEEL COMPONENTS, WHICH WERE SENT TO THE MACHINE SHOP TO BE FORMED INTO THEIR FINAL SHAPES. (7/24/70) - Rocky Flats Plant, General Manufacturing, Support, Records-Central Computing, Southern portion of Plant, Golden, Jefferson County, CO

150

Modeling of cumulative tool wear in machining metal matrix composites  

SciTech Connect

Metal matrix composites (MMCs) are notoriously known for their low machinability because of the abrasive and brittle reinforcement. Although a near-net-shape product could be produced, finish machining is still required for the final shape and dimension. The classical Taylor`s tool life equation that relates tool life and cutting conditions has been traditionally used to study machinability. The turning operation is commonly used to investigate the machinability of a material; tedious and costly milling experiments have to be performed separately; while a facing test is not applicable for the Taylor`s model since the facing speed varies as the tool moves radially. Collecting intensive machining data for MMCs is often difficult because of the constraints on size, cost of the material, and the availability of sophisticated machine tools. A more flexible model and machinability testing technique are, therefore, sought. This study presents and verifies new models for turning, facing, and milling operations. Different cutting conditions were utilized to assess the machinability of MMCs reinforced with silicon carbide or alumina particles. Experimental data show that tool wear does not depend on the order of different cutting speeds since abrasion is the main wear mechanism. Correlation between data for turning, milling, and facing is presented. It is more economical to rank machinability using data for facing and then to convert the data for turning and milling, if required. Subsurface damages such as work-hardened and cracked matrix alloy, and fractured and delaminated particles are discussed.

Hung, N.P.; Tan, V.K.; Oon, B.E. [Nanyang Technological Univ. (Singapore)

1995-12-31

151

29 CFR 1917.151 - Machine guarding.  

Code of Federal Regulations, 2013 CFR

...2013-07-01 2013-07-01 false Machine guarding. 1917.151 Section 1917...Operations and Equipment § 1917.151 Machine guarding. (a) Definition...b) General. (1) Danger zones on machines and equipment used by employees...

2013-07-01

152

29 CFR 1917.151 - Machine guarding.  

Code of Federal Regulations, 2011 CFR

...2011-07-01 2011-07-01 false Machine guarding. 1917.151 Section 1917...Operations and Equipment § 1917.151 Machine guarding. (a) Definition...b) General. (1) Danger zones on machines and equipment used by employees...

2011-07-01

153

76 FR 80409 - Draft Supplement 2 to Final Environmental Statement Related to the Operation of Watts Bar Nuclear...  

Federal Register 2010, 2011, 2012, 2013

...Supplement 2 to Final Environmental Statement Related to the Operation of Watts Bar Nuclear Plant, Unit 2; Tennessee Valley Authority AGENCY: U.S. Nuclear Regulatory Commission (NRC). ACTION: Draft environmental statement,...

2011-12-23

154

Function Machine  

NSDL National Science Digital Library

This Java activity for the interactive white board (free access with registration) provides learners an opportunity to explore number functions and to predict outcomes. Teachers set the desired function from the drop-down list (double it, halve it, add 1, subtract 1, add 10, or subtract 10) and choose the start number from 1-20. Students are asked to predict the outcome before asking the machine to go. There is an option to hide the function so the teacher can ask students to work out what operation is being used to get from the starting number to the number generated.

2012-07-19

155

Chemical Agent Monitor (CAM) follow-on operational test and evaluation simulant test strategy. Final report, May 1988-April 1989  

SciTech Connect

This report was intended to provide technical guidance to the U.S. Army Armor and Engineering (A E) Board in the area of simulant use for the Chemical Agent Monitor (CAM) Follow-on Operational Test and Evaluation (FOT E). The Operational Science Branch (Op Sci Br) was requested to support the A E Board in their effort to design an FOT E for the CAM using methyl salicylate (MS) as the H mode (mustard agent) simulant. Personnel from Op Sci Br were asked to design contamination technology and monitoring methods to test the machine/man interface and use doctrine, and analyze how well data is collected and evaluated.

Seitzinger, A.T.; Grasso, P.S.; Guelta, M.A.

1990-06-01

156

Machining of uranium and uranium alloys  

SciTech Connect

Uranium and uranium alloys can be readily machined by conventional methods in the standard machine shop when proper safety and operating techniques are used. Material properties that affect machining processes and recommended machining parameters are discussed. Safety procedures and precautions necessary in machining uranium and uranium alloys are also covered. 30 figures.

Morris, T.O.

1981-12-14

157

Columbia River System Operation Review : Final Environmental Impact Statement, Appendix O: Economic and Social Impact.  

SciTech Connect

This Appendix O of the Final Environmental Impact Statement for the Columbia River System measures the economic and social effects of the alternative system operation strategies and includes both geographic and methodology components. Areas discussed in detail include the following: purpose, scope and process; an economic history of the Columbia River Basin and its use today including the Columbia River and Socio-economic development in the Northwest and Major uses of the River System; Analysis procedures and methodologies including national economic evaluation, the concepts, analysis of assumptions, analysis for specific river uses, water quality, Regional evaluation, analysis, and social impacts; alternatives and impacts including implementation costs, andromous fish, resident fish and wildlife, flood control, irrigation and municipal and industrial water supply, navigation impacts, power, recreation, annual costs, regional economic analysis. Extensive comparison of alternatives is included.

Columbia River System Operation Review (U.S.)

1995-11-01

158

NEMO medium voltage converter factory acceptance, operational and final integration tests  

NASA Astrophysics Data System (ADS)

The NEMO Collaboration, as part of the KM3NeT EU-funded consortium, is developing technical solutions for the construction of a cubic-kilometer scale neutrino telescope in the Mediterranean sea several kilometers below the sea level and far from the shore. In this framework, after years of design, development, assembly and testing the Alcatel deep sea medium voltage power converter (MVC) is ready for deployment at 100 km from the Capo Passero shore station. The MVC converts the 10 kV to an instrument-friendly 375 V for a 10 kW power. The MVC will be presented with focus on the factory acceptance, operational and final integration tests that recently have been carried out.

Cocimano, Rosanna; NEMO Collaboration

2011-01-01

159

A study of mechanization of the training of operators of complex semi-automatic machines as compared to existing methods of training  

E-print Network

egsaqg V DNINIVHZ ZO SGOHZZM ONIZSINZ 0~ GZHVdNOD SV SZNIHDVN DIZVROJllV Iiu -' M'IciliOJ =0 SHOTVHZHO HO ONIiiIVH= ZH= 0 NOI~VZINVHOZ ;, 0 San S V A STUDY OF MECHANIEATION OF THE TRAINING OF OPERATORS OF COMPLEX SEMI-AUTOMATIC MACHINES AS COMPARED... TO EXISTING METHODS OF TRAINING A Thesis DON GERALD GERLOFF Approved as to style and. content by: Chairman o omm ttee Head. of apartment August, 1960 ~ I PEPTIC TAIl l-ND BETTE'& C PHl. . F'l ~HAINI'. K IP. CHINEP . . 2 . I, 'CHT~TON A. HE HATNINC...

Gerloff, Don Gerald

2012-06-07

160

[Heat exchange in machine operators and dump truck drivers during the exploitation of gravel and sand in Central Asia].  

PubMed

The study was designed to analyze microclimatic conditions in the cabs of excavating machines and dump trucks during warm and cold seasons and to study their impact on body thermoregulatory processes in excavator and truck drivers. The study findings revealed that microclimate was especially unfavourable during a warm season. Inducators of body thermal state gave evidence that such working conditions generated stresses in thermoregulatory processes. Work during cold seasons caused some body cooling, especially at the beginning of the shift. The data thus obtained enabled one to elaborate health-improving measures aimed at optimization of workplace microclimate, rationalization of work/recreation regimen and drinking habits. PMID:2529190

Babaev, A B; Paraeva, I I

1989-01-01

161

Interaction with Machine Improvisation  

NASA Astrophysics Data System (ADS)

We describe two multi-agent architectures for an improvisation oriented musician-machine interaction systems that learn in real time from human performers. The improvisation kernel is based on sequence modeling and statistical learning. We present two frameworks of interaction with this kernel. In the first, the stylistic interaction is guided by a human operator in front of an interactive computer environment. In the second framework, the stylistic interaction is delegated to machine intelligence and therefore, knowledge propagation and decision are taken care of by the computer alone. The first framework involves a hybrid architecture using two popular composition/performance environments, Max and OpenMusic, that are put to work and communicate together, each one handling the process at a different time/memory scale. The second framework shares the same representational schemes with the first but uses an Active Learning architecture based on collaborative, competitive and memory-based learning to handle stylistic interactions. Both systems are capable of processing real-time audio/video as well as MIDI. After discussing the general cognitive background of improvisation practices, the statistical modelling tools and the concurrent agent architecture are presented. Then, an Active Learning scheme is described and considered in terms of using different improvisation regimes for improvisation planning. Finally, we provide more details about the different system implementations and describe several performances with the system.

Assayag, Gerard; Bloch, George; Cont, Arshia; Dubnov, Shlomo

162

Circular tests for HSM machine tools: Bore machining application  

E-print Network

Today's High-Speed Machining (HSM) machine tool combines productivity and part quality. The difficulty inherent in HSM operations lies in understanding the impact of machine tool behaviour on machining time and part quality. Analysis of some of the relevant ISO standards (230-1998, 10791-1998) and a complementary protocol for better understanding HSM technology are presented in the first part of this paper. These ISO standards are devoted to the procedures implemented in order to study the behavior of machine tool. As these procedures do not integrate HSM technology, the need for HSM machine tool tests becomes critical to improving the trade-off between machining time and part quality. A new protocol for analysing the HSM technology impact during circular interpolation is presented in the second part of the paper. This protocol which allows evaluating kinematic machine tool behaviour during circular interpolation was designed from tests without machining. These tests are discussed and their results analysed i...

Tapie, Laurent; Anselmetti, Bernard

2009-01-01

163

Numerical Control of Machine Tools  

Microsoft Academic Search

Industry needs more flexible methods of programming machine cycles to achieve automatic operation of machine tools in limited-quantity production. Part of this need is met by numerical control systems which command the machine in accordance with prepared numerical instructions read from a storage medium. Such numerical instruction can be stored in binary or decimal numerical form on punched telegraph tape,

Leroy U. C. Kelling

1955-01-01

164

Circular tests for HSM machine tools: Bore machining application  

Microsoft Academic Search

Today's High-Speed Machining (HSM) machine tool combines productivity and part quality. The difficulty inherent in HSM operations lies in understanding the impact of machine tool behaviour on machining time and part quality. Analysis of some of the relevant ISO standards (230-1998, 10791-1998) and a complementary protocol for better understanding HSM technology are presented in the first part of this paper.

Laurent Tapie; Kwamiwi Mawussi; Bernard Anselmetti

2009-01-01

165

Final Environmental Impact Statement (FEIS), Construction and Operation of the Spallation Neutron Source  

SciTech Connect

The U.S. Department of Energy (DOE) proposes to construct and operate an accelerator-based research facility called the Spallation Neutron Source (SNS). This facility would provide the U. S. scientific community with a neutron source having greater intensity, power, and instrumentation than existing neutron sources. It would augment the research capabilities of current reactor-based neutron sources, satisfy current and future demand for research neutrons, lead to new scientific and technological discoveries, and meet international technological and economic challenges. DOE has identified four siting alternatives for the proposed SNS. These are as follows: (1) Oak Ridge National Laboratory (ORNL) Alternative (Preferred Alternative), Oak Ridge, Tennessee. (2) Los Alamos National Laboratory (LANL) Alternative, Los Alamos, New Mexico. (3) Argonne National Laboratory (ANL) Alternative, Argonne, Illinois. (4) Brookhaven National Laboratory (BNL) Alternative, Upton, New York. This summary provides a synopsis of the main text of the final Environmental Impact Statement (FEIS) for construction and operation of the SNS. The EIS complies with the requirements of the National Environmental Policy Act (NEPA) of 1969, as amended (42 U.S.C. 4321 et seq.); the President's Council on Environmental Quality (CEQ) regulations (40 CFR 1500-1508); and the DOE regulations for implementing the NEPA requirements (10 CFR 1021). The EIS presents the public and DOE decision-makers with a balanced and objective analysis of the potential environmental effects that would result from implementing the proposed action and alternative actions. The summary of the FEIS covers the following subjects: (1) purpose and need for agency action, (2) proposed action and alternatives, (3) descriptions of siting alternatives for the proposed action, (4) issues of public concern, and (5) environmental consequences.

N /A

1999-04-23

166

Final Report - Advanced MEA's for Enhanced Operating Conditions, Amenable to High Volume Manufacture  

SciTech Connect

This report summarizes the work completed under a 3M/DOE contract directed at advancing the key fuel cell (FC) components most critical for overcoming the polymer electrolyte membrane fuel cell (PEMFC) performance, durability & cost barriers. This contract focused on the development of advanced ion exchange membranes & electrocatalysts for PEMFCs that will enable operation under ever more demanding automotive operating conditions & the use high volume compatible processes for their manufacture. Higher performing & more durable electrocatalysts must be developed for PEMFCs to meet the power density & lifetime hours required for FC vehicles. At the same time the amount of expensive Pt catalyst must be reduced to lower the MEA costs. While these two properties are met, the catalyst must be made resistant to multiple degradation mechanisms to reach necessary operating lifetimes. In this report, we present the work focused on the development of a completely new approach to PEMFC electrocatalyts, called nanostructured thin film (NSTF) catalysts. The carbon black supports are eliminated with this new approach which eliminates the carbon corrosion issue. The thin film nature of the catalyst significantly improves its robustness against dissolution & grain growth, preserving the surface area. Also, the activity of the NSTF for oxygen reduction is improved by over 500% compared to dispersed Pt catalyts. Finally, the process for fabricating the NSTF catalysts is consistent with high volume roll-good manufacturing & extremely flexible towards the introduction of new catalyst compositions & structures. This report documents the work done to develop new multi-element NSTF catalysts with properties that exceed pure Pt, that are optimized for use with the membranes discussed below, & advance the state-of-the-art towards meeting the DOE 2010 targets for PEMFC electrocatalysts. The work completed advances the understanding of the NSTF catalyst technology, identifies new NSTF-ternary catalyst materials for higher performance, documents enhanced durability under multiple types of accelerated tests by factors of 10x to 50x over conventional catalysts, & demonstrates their performance & durability in large area MEA FC stack tests. The PEMFC ion exchange membrane is the other key functioning FC component on which work was completed. While improvements have been made to standard PFSA type membranes, they still require humidification to achieve adequate proton conductivity & so their use at elevated temperatures & drier operating conditions is limited. Membranes with increased durability & conductivity under hotter, drier conditions allow the use of FC's in many applications, particularly automotive. Towards this goal, 2 approaches were pursued in the work reported here. The first part was designed for immediate application at drier conditions & operating temperatures between 85C and 120C, focused on the development of a membrane based on a low equivalent weight (EW), perfluorinated sulfonic acid (PFSA) ionomer for good ionic conductivity at low humidification, & the use of stabilizing additives for improved oxidative stability. The ionomer used was developed at 3M & has a shorter acid containing side-chain than the Nafion™ ionomer. This ionomer also has a higher T? & higher modulus than that of a Nafion™ membrane of the same EW, allowing lower EW ionomers to be prepared with very good mechanical properties. In addition, more than 50 stabilizing additives were evaluated in ex-situ, Fenton’s tests & more than 10 of these were incorporated into membranes & evaluated in accelerated FC tests. This work led to thin (25-30 micron) cast membranes with substantially improved conductivity & durability under simulated automotive conditions, compared to membranes currently available. The 2nd body of membrane work was focused on developing & characterizing 3 approaches for making new PEM's for operation under hot (>120C) & dry (dew point <80C) FC conditions: inorganic materials with enhanced proton conductivity, polymer matrices swollen with lo

Debe, Mark K.

2007-09-30

167

Kid Machine  

NSDL National Science Digital Library

This activity is on page 3 (continued on page 2) of the pdf, part of the Simple Machines Discovery Box. In this fun activity, learners "create" a complex machine by simulating the parts in action. Learners move their bodies and make sounds as if they are individual parts of a moving machine. Then learners discover what happens when part of a machine is broken and problem solve ways to fix it.

Omsi

2004-01-01

168

Quantum Machines  

E-print Network

We discuss quantum information processing machines. We start with single purpose machines that either redistribute quantum information or identify quantum states. We then move on to machines that can perform a number of functions, with the function they perform being determined by a program, which is itself a quantum state. Examples of both deterministic and probabilistic programmable machines are given, and we conclude with a discussion of the utility of quantum programs.

Mark Hillery; Vladimir Buzek

2009-03-24

169

DNA-Based Machines.  

PubMed

The base sequence in nucleic acids encodes substantial structural and functional information into the biopolymer. This encoded information provides the basis for the tailoring and assembly of DNA machines. A DNA machine is defined as a molecular device that exhibits the following fundamental features. (1) It performs a fuel-driven mechanical process that mimics macroscopic machines. (2) The mechanical process requires an energy input, "fuel." (3) The mechanical operation is accompanied by an energy consumption process that leads to "waste products." (4) The cyclic operation of the DNA devices, involves the use of "fuel" and "anti-fuel" ingredients. A variety of DNA-based machines are described, including the construction of "tweezers," "walkers," "robots," "cranes," "transporters," "springs," "gears," and interlocked cyclic DNA structures acting as reconfigurable catenanes, rotaxanes, and rotors. Different "fuels", such as nucleic acid strands, pH (H(+)/OH(-)), metal ions, and light, are used to trigger the mechanical functions of the DNA devices. The operation of the devices in solution and on surfaces is described, and a variety of optical, electrical, and photoelectrochemical methods to follow the operations of the DNA machines are presented. We further address the possible applications of DNA machines and the future perspectives of molecular DNA devices. These include the application of DNA machines as functional structures for the construction of logic gates and computing, for the programmed organization of metallic nanoparticle structures and the control of plasmonic properties, and for controlling chemical transformations by DNA machines. We further discuss the future applications of DNA machines for intracellular sensing, controlling intracellular metabolic pathways, and the use of the functional nanostructures for drug delivery and medical applications. PMID:24647836

Wang, Fuan; Willner, Bilha; Willner, Itamar

2014-01-01

170

Mining machine  

Microsoft Academic Search

A haulage system for a mining machine comprises a mining machine mounted on and\\/or guided by a conveyor and reciprocable with respect thereto, the conveyor being provided with a rack having plural rows of teeth of identical pitch, with the teeth of one row staggered with respect to an adjacent row(s), and the machine being provided with at least one

Parrott

1985-01-01

171

KEY COMPARISON: Final report on CCL-K6: Calibration of coordinate measuring machine two-dimensional artifacts (ball & bore plates)  

NASA Astrophysics Data System (ADS)

The Mutual Recognition Arrangement of the CIPM indicates that a metrological equivalence of national measurement standards and calibration certificates issued by national metrology institutes (NMIs) should be established by a set of key comparisons chosen and organized by the Consultative Committees of the Comité Internationale des Poids et Mesures on key techniques. The CCL (Comité Consultative de Longueur), identified several key comparisons in the field of dimensional metrology. In particular, it decided that a coordinate measuring machine (CMM) two-dimensional (2-D) artifact should be carried out. CENAM (Centro Nacional de Metrología) was designated as pilot laboratory and NMIs of signatories of the Metre Convention were invited to participate. The comparison is aimed to support the Calibration and Measurement Capabilities (CMCs) claims of NMIs for CMM 2-D standards calibration. Twelve NMIs from four Regional Metrology Organizations finished the comparison and one withdrew. The final participants were as follows: NMIA (CSIRO), Australia INMS-NRC, Canada NIM, China CMI, Czech Republic BNM-LNE, France PTB, Germany NMIJ (NRLM), Japan NMi, Netherlands VNIIM, Russia NPL, United Kingdom NIST, USA (1) CENAM, Mexico (1). A Draft B report was circulated among the participants and, after review and approval by all of the participants, it became the final report. It comprises all the information about the comparison: the measurement results, the choice of a Key Comparison Reference Value, the estimation of its uncertainty, the performance of each participant with respect to this value and the Birge ratio for each measurand of the two artifacts. It was decided afterwards at CCL that the exercise be classed as a supplementary comparison but the reference of CCL-K6 was kept. In an Appendix the equivalences of all measurands of each laboratory with respect to the reference value are reported for both artifacts, as well as the pairwise equivalences between laboratories for all measurands of both artifacts. The results are shown on tables as well as in plots. The comparison was scheduled to start in January 2001 and span the circulation until December 2002. The circulation scheme was delayed for many reasons. It finally ended in September 2004. The following main conclusions may be drawn: The comparison was a valuable exercise and produced valid results as the artifacts proved to be stable throughout the comparison exercise. Therefore, the results obtained may be taken as a proof of the performance of the participants in CMM 2-D standards calibration as declared in their corresponding CMCs. Out of the twelve participants, ten were in good agreement for the Steel Ball Plate and nine for the Zerodur Bore Plate. The KCRV was determined from these values. The Birge ratios obtained for the measuring elements of both artifacts proved that there is consistency between the results obtained at the declared uncertainties of the participants. However, it would seem that the uncertainty declarations in general were rather conservative. The results on the Steel Ball Plate were slightly better than those on the Zerodur Bore Plate. As a conclusion, the participants are a little bit better at measuring steel artifacts than Zerodur ones. Main text. To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/. The final report has been peer-reviewed and approved for publication by the CCL, according to the provisions of the CIPM Mutual Recognition Arrangement (MRA).

Viliesid, Miguel

2009-01-01

172

Research at and Operation of the Materials Science Beamline (X-11) at the National Synchrotron Light Source. Final Report  

SciTech Connect

This is the final report for DOE DE-FG02-89ER45384. An overview of the operational history and status of beamline X-11A at the end of the contract period, and a brief review of the core science program at NCSU and the scientific results of X-11A since the last progress report is also presented.

Sayers, Dale E.

2003-10-15

173

Home Entrepreneurship: The Development of Instructional Materials in the Operation of a Small Business from the Home. Final Report.  

ERIC Educational Resources Information Center

The three chapters of this final report present material from a project to develop individualized instructional materials on operating a small business from the home for home economics related occupations. Chapter 1 includes a review of literature appropriate to the project and provides definitions from the literature (and from interviews) for…

Weis, Susan F.; O'Brien, Kay S.

174

Efficient processing of system scenarios in statistical and machine learning studies for power system operational and investment planning  

Microsoft Academic Search

Power System security assessment and the associated planning studies are becoming more and more complex with ever increasing uncertainties in all time horizons. An effective means of performing operational and investment planning studies of network limitations associated with static or dynamic post-disturbance performance problems has been to take a Monte Carlo simulation based approach. The approach harnesses computing power to

Venkat Kumar Krishnan

2010-01-01

175

Debugging operating systems with time-traveling virtual machines Samuel T. King, George W. Dunlap, and Peter M. Chen  

E-print Network

that are detected after the relevant stack frame is popped. 1 Introduction Computer programmers are all operating systems. Time travel enables a programmer to navigate backward and forward arbitrarily through time travel into a general-purpose de- bugger to enable a programmer to debug an OS in re- verse

Eustice, Ryan

176

Automated long-term monitoring of parallel microfluidic operations applying a machine vision-assisted positioning method.  

PubMed

As microfluidics has been applied extensively in many cell and biochemical applications, monitoring the related processes is an important requirement. In this work, we design and fabricate a high-throughput microfluidic device which contains 32 microchambers to perform automated parallel microfluidic operations and monitoring on an automated stage of a microscope. Images are captured at multiple spots on the device during the operations for monitoring samples in microchambers in parallel; yet the device positions may vary at different time points throughout operations as the device moves back and forth on a motorized microscopic stage. Here, we report an image-based positioning strategy to realign the chamber position before every recording of microscopic image. We fabricate alignment marks at defined locations next to the chambers in the microfluidic device as reference positions. We also develop image processing algorithms to recognize the chamber positions in real-time, followed by realigning the chambers to their preset positions in the captured images. We perform experiments to validate and characterize the device functionality and the automated realignment operation. Together, this microfluidic realignment strategy can be a platform technology to achieve precise positioning of multiple chambers for general microfluidic applications requiring long-term parallel monitoring of cell and biochemical activities. PMID:25133248

Yip, Hon Ming; Li, John C S; Xie, Kai; Cui, Xin; Prasad, Agrim; Gao, Qiannan; Leung, Chi Chiu; Lam, Raymond H W

2014-01-01

177

Implications and effects of advanced biological and biological/chemical weapons at the operational planning level. Final report  

SciTech Connect

Recent advances and potential proliferation of biological weapons could have profound implications on operational planning for the United States. In general, biological weapons development has the potential to revolutionize warfare planning. This paper analyzes recent research and advances in biological and biological/chemical technology. It examines the imposing threat and significance to the Biological Weapons Convention of 1972. It then discusses how biological and biological/chemical weapons effects the operational level and operational planning. This paper offers projections, opinion on deficiencies/risk, and suggests alternatives. Finally, conclusions are presented offering challenges and concerns.

Grabow, C.L.

1991-06-21

178

Tulane Family Planning Operations Research in the English Speaking Caribbean: Final Research Findings.  

National Technical Information Service (NTIS)

Operations research in the area of family planning has proved useful in identifying barriers to contraceptive use, resolving these problems, and testing new approaches to service delivery. The results of operations research in six English-speaking Caribbe...

J. T. Bertrand, P. Russell-Brown, E. Landry

1986-01-01

179

Recommended practices for operating and maintaining steam surface condensers: Final report  

Microsoft Academic Search

This document is a guideline for the operation and maintenance of steam surface condensers developed for the Electric Power Research Institute. It is intended to assist plant engineers, operators and maintenance personnel in improving the availability and performance of the steam surface condenser. The guideline includes a primer on the theory of operation of steam surface condensers. Also included is

R. J. Bell; E. F. Conley

1987-01-01

180

Kicking Machine  

NSDL National Science Digital Library

In this design challenge activity, learners build a machine that kicks a Ping-Pong ball into a cup lying on its side 12 inches away. Learners use a pendulum, a rubber band, or a combination of the two to do this and test the accuracy of their machines by shooting a Ping-Pong ball into a cup. Educators can use this activity to demonstrate simple machines and kinetic/potential energy. This activity can be followed up with "Extreme Kicking Machine" which adds an even greater challenge into the mix.

Wgbh

2010-01-01

181

A support vector machine-based state-of-health estimation method for lithium-ion batteries under electric vehicle operation  

NASA Astrophysics Data System (ADS)

Capacity and resistance are state-of-health (SOH) indicators that are essential to monitor during the application of batteries on board electric vehicles. For state-of-health determination in laboratory environment, standard battery performance tests are established and well-functioning. Since standard performance tests are not available on-board a vehicle, we are developing a method where those standard tests are applied virtually to a support vector machine-based battery model. This data-driven model is solely based on variables available during ordinary electric vehicle (EV) operation such as battery current, voltage and temperature. This article contributes with a thorough experimental validation of this method, as well as the introduction of new features - capacity estimation and temperature dependence. Typical EV battery usage data is generated and exposed to the suggested method in order to estimate capacity and resistance. These estimations are compared to direct measurements of the SOH indicators with standard tests. The obtained estimations of capacities and instantaneous resistances demonstrate good accuracy over a temperature and state-of-charge range typical for EV operating conditions and allow thus for online detection of battery degradation. The proposed method is also found to be suitable for on-board application in respect of processing power and memory restrictions.

Klass, Verena; Behm, Mårten; Lindbergh, Göran

2014-12-01

182

Operational Readiness Review Final Report for K Basin Fuel Transfer System  

SciTech Connect

An Operational Readiness Review (ORR) was conducted by the U.S. Department of Energy (DOE), Richland Operations Office (RL) to verify that an adequate state of readiness had been achieved for startup of the K Basin Fuel Transfer System (FTS). The DOE ORR was conducted during the period November 6-18, 2002. The DOE ORR team concluded that the K Basin Fuel Transfer System is ready to start operations, subject to completion and verification of identified pre-start findings. The ORR was conducted in accordance with the Spent Nuclear Fuel (SNF) K Basin Fuel Transfer System (FTS) Operational Readiness Review (ORR) Plan of Action and the Operational Readiness Review Implementation Plan for K Basin Fuel Transfer System. Review activities consisted of staff interviews, procedure and document reviews, and observations of normal facility operations, operational upset conditions, and an emergency drill. The DOE ORR Team also reviewed and assessed the adequacy of the contractor ORR3 and the RL line management review. The team concurred with the findings and observations identified in these two reports. The DOE ORR for the FTS evaluated the contractor under single-shift operations. Of concern to the ORR Team was that SNF Project management intended to change from a single-shift FTS operation to a two-shift operation shortly after the completion of the DOE ORR. The ORR team did not assess two-shift FTS operations and the ability of the contractor to conduct a smooth transition from shift to shift. However, the DOE ORR team did observe an operational upset drill that was conducted during day shift and carried over into swing shift; during this drill, swing shift was staffed with fewer personnel as would be expected for two-shift operations. The facility was able to adequately respond to the event with the reduced level of staff. The ORR Team was also able to observe a Shift Manager turnover meeting when one shift manager had to be relieved during the middle of the day. The ORR Team did not have the opportunity to observe a shift turnover from one crew to another. The ORR Team has evaluated the risk of not observing this activity and considers the risk to be minimal based on the fact that operating staff are very familiar with the FTS equipment and its procedures, and because existing Conduct of Operations processes and procedures are adequate and implemented. Because the ORR Team has not observed two-shift FTS operations, we recommend that additional RL oversight be provided at the start of two-shift FTS operations to evaluate the adequacy of crew turnovers.

DAVIES, T.H.

2002-10-01

183

: Helmholtz machine estimation .  

E-print Network

: Helmholtz machine density estimation . . : . . . (supervised learning) , (active learning) (query learning) [1, 3]. . (unsupervised learning), . , [5]. . Helmholtz machine , . Helmholtz machine : Helmholtz machine [2] . Helmholtz machine (generative network) (recognition network) . , , . Helmholtz machine (self

184

Shutdown and low-power operation at commercial nuclear power plants in the United States. Final report  

SciTech Connect

The report contains the results of the NRC Staff`s evaluation of shutdown and low-power operations at US commercial nuclear power plants. The report describes studies conducted by the staff in the following areas: Operating experience related to shutdown and low-power operations, probabilistic risk assessment of shutdown and low-power conditions and utility programs for planning and conducting activities during periods the plant is shut down. The report also documents evaluations of a number of technical issues regarding shutdown and low-power operations performed by the staff, including the principal findings and conclusions. Potential new regulatory requirements are discussed, as well as potential changes in NRC programs. A draft report was issued for comment in February 1992. This report is the final version and includes the responses to the comments along with the staff regulatory analysis of potential new requirements.

Not Available

1993-09-01

185

Automatic programming of binary morphological machines by design of statistically optimal operators in the context of computational learning theory  

NASA Astrophysics Data System (ADS)

Quantization noise prevalent in transform encoded images becomes increasingly objectionable as the required bit rate for the compressed image representation is reduced. The perceptual effect of this coding noise is not uniform throughout the image, however, being highly dependent on the local behavior of the signal on which it is superimposed. An adaptive, nonlinear postprocessing algorithm is described, which is shown to appreciably enhance the subjective quality of the reconstructed image. A three-component image model is adopted, according to which any image is considered to be composed of nonoverlapping strong edge, textured, and monotone components. The foundation of the postprocessing algorithm is a computationally efficient edge classifier capable of resolving an image into its three components. The classifier operates by exploiting the characteristic shape of the histogram of pixel luminance values in a strong edge region to distinguish between strong and textured edges. The postprocessing algorithm consists of a combination of adaptive, (alpha) trimmed mean filtering and a cosine transform domain dithering technique. The results presented confirm the efficacy of the proposed approach.

Barrera, Junior; Dougherty, Edward R.; Tomita, Nina S.

1997-01-01

186

Machine musicianship  

NASA Astrophysics Data System (ADS)

The training of musicians begins by teaching basic musical concepts, a collection of knowledge commonly known as musicianship. Computer programs designed to implement musical skills (e.g., to make sense of what they hear, perform music expressively, or compose convincing pieces) can similarly benefit from access to a fundamental level of musicianship. Recent research in music cognition, artificial intelligence, and music theory has produced a repertoire of techniques that can make the behavior of computer programs more musical. Many of these were presented in a recently published book/CD-ROM entitled Machine Musicianship. For use in interactive music systems, we are interested in those which are fast enough to run in real time and that need only make reference to the material as it appears in sequence. This talk will review several applications that are able to identify the tonal center of musical material during performance. Beyond this specific task, the design of real-time algorithmic listening through the concurrent operation of several connected analyzers is examined. The presentation includes discussion of a library of C++ objects that can be combined to perform interactive listening and a demonstration of their capability.

Rowe, Robert

2002-05-01

187

Nonplanar machines  

SciTech Connect

This talk examines methods available to minimize, but never entirely eliminate, degradation of machine performance caused by terrain following. Breaking of planar machine symmetry for engineering convenience and/or monetary savings must be balanced against small performance degradation, and can only be decided on a case-by-case basis. 5 refs.

Ritson, D. (Stanford Linear Accelerator Center, Menlo Park, CA (USA))

1989-05-01

188

Electric machine  

DOEpatents

An interior permanent magnet electric machine is disclosed. The interior permanent magnet electric machine comprises a rotor comprising a plurality of radially placed magnets each having a proximal end and a distal end, wherein each magnet comprises a plurality of magnetic segments and at least one magnetic segment towards the distal end comprises a high resistivity magnetic material.

El-Refaie, Ayman Mohamed Fawzi (Niskayuna, NY); Reddy, Patel Bhageerath (Madison, WI)

2012-07-17

189

Simple Machines  

NSDL National Science Digital Library

How do you get a glove and a ball up to your tree house? One answer is to use a pulley. A pulley is a simple machine. In this original KET interactive, children learn about the basic workings of three simple machines.

Ket

2010-11-16

190

Excavating machines  

SciTech Connect

The excavating machine has a cutter carrying boom carried by a boom support member which can be swung about an axis extending in the direction of the roadway. The machine includes a cutter unit and a stay unit each of which is releasably anchorable in the roadway and each of which can be advanced relative to the other unit.

Plummer, D.

1980-10-21

191

Method and apparatus for monitoring machine performance  

DOEpatents

Machine operating conditions can be monitored by analyzing, in either the time or frequency domain, the spectral components of the motor current. Changes in the electric background noise, induced by mechanical variations in the machine, are correlated to changes in the operating parameters of the machine.

Smith, Stephen F. (Loudon, TN); Castleberry, Kimberly N. (Harriman, TN)

1996-01-01

192

Effect of operating considerations on reliability indices used for generation planning. Final report  

Microsoft Academic Search

Interest presently exists in examining the effects of system operating policies and constraints such as unit start-up times and start-up failures and flexibility to postpone outages on reliability indices used for generation planning. This interest stems from a desire to compute reliability indices that agree closely with actual system reliability performance and to evaluate the effect of different system operating

A. D. Patton; G. L. Hogg

1979-01-01

193

Diagnostic Assessment of Driver Problems: Volume 2. Assessment Techniques for Operational Users: Final Report.  

ERIC Educational Resources Information Center

Volume 2 studies the operational feasibility of the diagnostic assessment of driver problems. Target groups for driver countermeasures are identified from research on diagnostic predictors and performance criteria. A diagnostic assessment model is presented which incorporates assessment techniques that were useful in an operational setting. The…

McBride, Robin S.; Stroad, Kenneth W., Jr.

194

An Evaluation of the Ability of Amputees to Operate Highway Transport Equipment. Final Report.  

ERIC Educational Resources Information Center

To document the driving experience of amputees and to test whether amputees differ from non-amputees in the operation of a simulated motor vehicle, related literature was reviewed, a comprehensive study of private motor vehicle operation by amputees was carried out, and 100 persons (20 non-impaired, non-commercial drivers, 20 non-impaired,…

McFarland, Ross A.; And Others

195

Operational Readiness Review Final Report for K Basin Fuel Transfer System  

Microsoft Academic Search

An Operational Readiness Review (ORR) was conducted by the U.S. Department of Energy (DOE), Richland Operations Office (RL) to verify that an adequate state of readiness had been achieved for startup of the K Basin Fuel Transfer System (FTS). The DOE ORR was conducted during the period November 6-18, 2002. The DOE ORR team concluded that the K Basin Fuel

2002-01-01

196

The Double-Needle Felling Machine. Module 17.  

ERIC Educational Resources Information Center

This module on the double-needle felling machine, one in a series dealing with industrial sewing machines, their attachments, and operation, covers two topics: performing special operations on the double-needle felling machine (straight seams) and performing special operations on the double-needle felling machine (curved flat-felled seams). For…

South Carolina State Dept. of Education, Columbia. Office of Vocational Education.

197

Hospital incinerator operator training course. Volume 2. Presentation slides. Final report  

SciTech Connect

This document is Volume II of a three-volume training course for operators of hospital-waste incinerators. The course provides hospital waste-incinerator operators with a basic understanding of the principles of incineration and air pollution control and to identify good operation and maintenance (O M) practices. Proper O M, in addition to reducing air emissions, improves equipment reliability and performance, prolongs equipment life, and helps to ensure proper ash burnout. Volume II contains classroom materials including a copy of the presentation slides so that students can follow along during the class and worksheets that can be completed during the classroom sessions. The course includes 11 separate classroom sessions covering topics such as basic combustion principles and incinerator design; air pollution control equipment design, function, operation, and monitoring; incinerator operation; maintenance inspections; typical problems; and State regulations.

Neulicht, R.M.; Chaput, L.S.; Wallace, D.D.; Turner, M.B.; Smith, S.G.

1989-03-01

198

Automated fiber pigtailing machine  

DOEpatents

The Automated Fiber Pigtailing Machine (AFPM) aligns and attaches optical fibers to optoelectonic (OE) devices such as laser diodes, photodiodes, and waveguide devices without operator intervention. The so-called pigtailing process is completed with sub-micron accuracies in less than 3 minutes. The AFPM operates unattended for one hour, is modular in design and is compatible with a mass production manufacturing environment. This machine can be used to build components which are used in military aircraft navigation systems, computer systems, communications systems and in the construction of diagnostics and experimental systems.

Strand, Oliver T. (Castro Valley, CA); Lowry, Mark E. (Castro Valley, CA)

1999-01-01

199

Automated fiber pigtailing machine  

DOEpatents

The Automated Fiber Pigtailing Machine (AFPM) aligns and attaches optical fibers to optoelectronic (OE) devices such as laser diodes, photodiodes, and waveguide devices without operator intervention. The so-called pigtailing process is completed with sub-micron accuracies in less than 3 minutes. The AFPM operates unattended for one hour, is modular in design and is compatible with a mass production manufacturing environment. This machine can be used to build components which are used in military aircraft navigation systems, computer systems, communications systems and in the construction of diagnostics and experimental systems. 26 figs.

Strand, O.T.; Lowry, M.E.

1999-01-05

200

Columbia River System Operation Review : Final Environmental Impact Statement, Appendix J: Recreation.  

SciTech Connect

This Appendix J of the Final Environmental Impact Statement for the Columbia River System discusses impacts on the recreational activities in the region. Major sections include the following: scope and processes; recreation in the Columbia River Basin today - by type, location, participation, user characteristics, factors which affect usage, and managing agencies; recreation analysis procedures and methodology; and alternatives and their impacts.

Columbia River System Operation Review (U.S.)

1995-11-01

201

Operational readiness review for the Waste Experimental Reduction Facility. Final report  

SciTech Connect

An Operational Readiness Review (ORR) at the Idaho National Engineering Laboratory`s (INEL`s) Waste Experimental Reduction Facility (WERF) was conducted by EG&G Idaho, Inc., to verify the readiness of WERF to resume operations following a shutdown and modification period of more than two years. It is the conclusion of the ORR Team that, pending satisfactory resolution of all pre-startup findings, WERF has achieved readiness to resume unrestricted operations within the approved safety basis. ORR appraisal forms are included in this report.

Not Available

1993-11-01

202

Measurement of Lake Roosevelt Biota in Relation to Reservoir Operations : Final Report 1993.  

SciTech Connect

The purpose of this study was to collect biological data from Lake Roosevelt to be used in the design of a computer model that will predict biological responses to reservoir operations as part of the System Operation Review Program. This study worked in conjunction with Lake Roosevelt Monitoring Project which investigated the effectiveness of two kokanee salmon hatcheries. This report summarized the data collected from Lake Roosevelt from 1993 and includes limnological, reservoir operation, zooplankton, benthic macroinvertebrate, experimental trawling, and net-pen rainbow trout tagging data. Major components of the Lake Roosevelt model include quantification of impacts to zooplankton, benthic macroinvertebrates, and fish caused by reservoir drawdowns and low water retention times.

Voeller, Amy C.

1993-01-01

203

NSSS design and cycle 1 operating history data for Arkansas Nuclear One, Unit-2. Final report  

SciTech Connect

This report contains design and cycle 1 operating data for the Arkansas Nuclear One, Unit-2 nuclear steam supply system. The design data include descriptions of the reactor core, reactor coolant system, and control systems which are a part of the nuclear steam supply system. Operating history data are provided for the period of December 1978 through January 1980. The most important operating history data provided include reactor power, cumulative fuel burnup, control rod position, primary coolant temperature, and a series of power distribution state points.

Gagne, P.A.

1981-03-01

204

49 CFR 236.771 - Machine, control.  

Code of Federal Regulations, 2012 CFR

...Transportation 4 2012-10-01 2012-10-01 false Machine, control. 236.771 Section 236.771 Transportation...SYSTEMS, DEVICES, AND APPLIANCES Definitions § 236.771 Machine, control. An assemblage of manually operated devices...

2012-10-01

205

49 CFR 236.771 - Machine, control.  

Code of Federal Regulations, 2013 CFR

...Transportation 4 2013-10-01 2013-10-01 false Machine, control. 236.771 Section 236.771 Transportation...SYSTEMS, DEVICES, AND APPLIANCES Definitions § 236.771 Machine, control. An assemblage of manually operated devices...

2013-10-01

206

49 CFR 236.772 - Machine, interlocking.  

Code of Federal Regulations, 2012 CFR

...Transportation 4 2012-10-01 2012-10-01 false Machine, interlocking. 236.772 Section 236.772 Transportation...SYSTEMS, DEVICES, AND APPLIANCES Definitions § 236.772 Machine, interlocking. An assemblage of manually operated...

2012-10-01

207

49 CFR 236.771 - Machine, control.  

Code of Federal Regulations, 2011 CFR

...Transportation 4 2011-10-01 2011-10-01 false Machine, control. 236.771 Section 236.771 Transportation...SYSTEMS, DEVICES, AND APPLIANCES Definitions § 236.771 Machine, control. An assemblage of manually operated devices...

2011-10-01

208

49 CFR 236.772 - Machine, interlocking.  

Code of Federal Regulations, 2013 CFR

...Transportation 4 2013-10-01 2013-10-01 false Machine, interlocking. 236.772 Section 236.772 Transportation...SYSTEMS, DEVICES, AND APPLIANCES Definitions § 236.772 Machine, interlocking. An assemblage of manually operated...

2013-10-01

209

49 CFR 236.772 - Machine, interlocking.  

Code of Federal Regulations, 2011 CFR

...Transportation 4 2011-10-01 2011-10-01 false Machine, interlocking. 236.772 Section 236.772 Transportation...SYSTEMS, DEVICES, AND APPLIANCES Definitions § 236.772 Machine, interlocking. An assemblage of manually operated...

2011-10-01

210

78 FR 24734 - Final Environmental Impact Statement for the Construction and Operation of an Infantry Platoon...  

Federal Register 2010, 2011, 2012, 2013

...Hawai`i, (USAG-HI) propose to construct and operate a modern Infantry Platoon Battle Course (IPBC) and associated infrastructure...necessary to conduct collective (group) tactical movement techniques, and to detect, identify, engage, and defeat...

2013-04-26

211

Final report on evaluation of cyclocraft support of oil and gas operations in wetland areas  

SciTech Connect

The cyclocraft is a proven hybrid aircraft, capable of VTOL, lifting heavy and bulky loads, highly controllable, having high safety characteristics and low operating costs. Mission Research Corporation (MRC), under Department of Energy sponsorship, is evaluating the potential use of cyclocraft in the transport of drill rigs, mud, pipes and other materials and equipment, in a cost effective and environmentally safe manner, to support oil and gas drilling, production, and transportation operations in wetland areas. Based upon the results of an earlier parametric study, a cyclocraft design, having a payload capacity of 45 tons and designated H.1 Cyclocraft, was selected for further study, including the preparation of a preliminary design and a development plan, and the determination of operating costs. This report contains all of the results derived from the program to evaluate the use of cyclocraft in the support of oil and gas drilling and production operations in wetland areas.

Eggington, W.J.; Stevens, P.M.; John, C.J.; Harder, B.J.; Lindstedt, D.M.

1994-10-01

212

Nuclear Plant Feedwater Heater Handbook. Volume 3. Operation and maintenance guidelines. Final report  

Microsoft Academic Search

This document is the third part of a three-volume handbook covering closed feedwater heaters for nuclear electric power generating plants. This third volume covers the operation and maintenance of closed feedwater heaters. 11 refs., 23 figs., 5 tabs.

R. J. Bell; C. D. Jr. Hardy

1985-01-01

213

Assessment of electric-utility ownership and operation of industrial-cogeneration facilities. Final report  

SciTech Connect

To better understand the opportunities for direct utility involvement in the ownership and operation of industrial cogeneration facilities, the Department of Energy requested a study of the factors affecting utility ownership and operation of these facilities. The study team, with the assistance of a utility steering committee composed of representatives of 10 major investor-owned utilities, reviewed pertinent laws and regulations, held discussions with key regulatory personnel, defined prototypical ownership and operating arrangements, evaluated cogeneration facility technical characteristics and financial attractiveness, and determined specific measures designed to encourage greater utility involvement in the ownership and operation of industrial cogeneration facilities. This report discusses factors affecting utility involvement in cogeneration facilities, the positive effects of deregulation on such involvement, measures to improve the regulatory environment, and measures to improve the financial performance of utility-owned cogenerating facilities. (LCL)

Not Available

1982-12-01

214

Recommended practices for operating and maintaining steam surface condensers: Final report  

SciTech Connect

This document is a guideline for the operation and maintenance of steam surface condensers developed for the Electric Power Research Institute. It is intended to assist plant engineers, operators and maintenance personnel in improving the availability and performance of the steam surface condenser. The guideline includes a primer on the theory of operation of steam surface condensers. Also included is a brief description of typical condenser problems. These introductory sections lay the groundwork for assisting operators and engineers in trouble-shooting, to maximize condenser performance and availability. The remaining sections concentrate on specific topics, such as performance monitoring, lay-up, and corrective action. Corrosion monitoring, maintenance methods including cleaning, plugging, corrosion countermeasures, and other corrective actions are also addressed.

Bell, R.J.; Conley, E.F.

1987-07-01

215

Design, fabrication, delivery, operation and maintenance of a geothermal power conversion system. final report  

SciTech Connect

The design, fabrication, delivery, operation and maintenance of an Hydrothermal Power Company 1250 KVA geothermal power conversion system using a helical screw expander as the prime mover is described. Hydrostatic and acceptance testing are discussed.

Not Available

1980-12-01

216

Paradigms for machine learning  

NASA Technical Reports Server (NTRS)

Five paradigms are described for machine learning: connectionist (neural network) methods, genetic algorithms and classifier systems, empirical methods for inducing rules and decision trees, analytic learning methods, and case-based approaches. Some dimensions are considered along with these paradigms vary in their approach to learning, and the basic methods are reviewed that are used within each framework, together with open research issues. It is argued that the similarities among the paradigms are more important than their differences, and that future work should attempt to bridge the existing boundaries. Finally, some recent developments in the field of machine learning are discussed, and their impact on both research and applications is examined.

Schlimmer, Jeffrey C.; Langley, Pat

1991-01-01

217

Environmental assessment of the relocation of Neutron Tube Target Loading Operations. Final document  

SciTech Connect

Neutron Tube Target Loading (NTTL) is an operation that involves the transferring (i.e. loading) of radioactive tritium gas onto metal target disks under an inert nitrogen atmosphere using a glovebox operation. The relocation of NTTL operations from the Pinellas Plant to the Los Alamos National Laboratory (LANL) in Los Alamos, New Mexico, was addressed in the Non-nuclear Consolidation Environmental Assessment (EA) of June 1993. This EA analyzes a Proposed Action to relocate the NTTL operations at LANL from Building 209 at TA-21 to Building 450 at TA-16. The Proposed Action would require the remodeling of Building 450 and some modifications to Buildings 205 and 205A, collectively referred to as the Weapons Engineering Tritium Facility (WETF) in TA-16. The construction of a change room addition would also be required to connect Building 450 and the WETF to take advantage of existing tritium control and confinement systems. Other construction activities and site modifications would include a new electrical substation, a new mechanical and electrical room, minor demolition work, two additional transportable buildings and a new parking area. An alternative to the Proposed Action includes keeping the NTTL operations at TA-21 (No Action). Alternatives considered but dismissed include the construction of a new NTTL laboratory at LANL, and the renovation of an alternative facility to Building 450 for conducting NTTL operations. None of the alternatives would enable the DOE to meet its mission responsibilities at LANL in a timely manner. The principle environmental issues associated with the Proposed Action include a minor amount of air emissions associated with construction activities and tritium operations and a small quantity of construction and low-level radioactive wastes. Human health and cumulative effects are expected to be negligible. On-site transportation of tritium between TA-21 and TA-16 to support NTTL operations would be eliminated.

NONE

1995-12-11

218

Final Report on the Operation and Maintenance Improvement Program for Concentrating Solar Power Plants  

Microsoft Academic Search

This report describes the results of a six-year, $6.3 million project to reduce operation and maintenance (O&M) costs at power plants employing concentrating solar power (CSP) technology. Sandia National Laboratories teamed with KJC Operating Company to implement the O&M Improvement Program. O&M technologies developed during the course of the program were demonstrated at the 150-MW Kramer Junction solar power park

Cohen Gilbert E; David W. Kearney; Gregory J. Kolb

1999-01-01

219

12 CFR 205.16 - Disclosures at automated teller machines.  

Code of Federal Regulations, 2012 CFR

... false Disclosures at automated teller machines. 205.16 Section 205.16 Banks and...205.16 Disclosures at automated teller machines. (a) Definition. Automated teller machine operator means any person that...

2012-01-01

220

12 CFR 1005.16 - Disclosures at automated teller machines.  

Code of Federal Regulations, 2012 CFR

... false Disclosures at automated teller machines. 1005.16 Section 1005.16 Banks...1005.16 Disclosures at automated teller machines. (a) Definition. “Automated teller machine operator” means any person that...

2012-01-01

221

12 CFR 205.16 - Disclosures at automated teller machines.  

Code of Federal Regulations, 2011 CFR

... false Disclosures at automated teller machines. 205.16 Section 205.16 Banks and...205.16 Disclosures at automated teller machines. (a) Definition. Automated teller machine operator means any person that...

2011-01-01

222

12 CFR 205.16 - Disclosures at automated teller machines.  

... false Disclosures at automated teller machines. 205.16 Section 205.16 Banks and...205.16 Disclosures at automated teller machines. (a) Definition. Automated teller machine operator means any person that...

2014-01-01

223

12 CFR 1005.16 - Disclosures at automated teller machines.  

Code of Federal Regulations, 2013 CFR

... false Disclosures at automated teller machines. 1005.16 Section 1005.16 Banks...1005.16 Disclosures at automated teller machines. (a) Definition. “Automated teller machine operator” means any person that...

2013-01-01

224

12 CFR 205.16 - Disclosures at automated teller machines.  

Code of Federal Regulations, 2013 CFR

... false Disclosures at automated teller machines. 205.16 Section 205.16 Banks and...205.16 Disclosures at automated teller machines. (a) Definition. Automated teller machine operator means any person that...

2013-01-01

225

12 CFR 1005.16 - Disclosures at automated teller machines.  

... false Disclosures at automated teller machines. 1005.16 Section 1005.16 Banks...1005.16 Disclosures at automated teller machines. (a) Definition. “Automated teller machine operator” means any person that...

2014-01-01

226

Site operator program final report for fiscal years 1992 through 1996  

SciTech Connect

The Site Operator Program was an electric vehicle testing and evaluation program sponsored by US Department of Energy and managed at the Idaho National Engineering and Environmental Laboratory. The Program`s goals included the field evaluation of electric vehicles in real-world applications and environments; the support of electric vehicle technology advancement; the development of infrastructure elements necessary to support significant electric vehicle use; and increasing the awareness and acceptance of electric vehicles. This report covers Program activities from 1992 to 1996. The Site Operator Program ended in September 1996, when it was superseded by the Field Operations Program. Electric vehicle testing included baseline performance testing, which was performed in conjunction with EV America. The baseline performance parameters included acceleration, braking, range, energy efficiency, and charging time. The Program collected fleet operations data on electric vehicles operated by the Program`s thirteen partners, comprising electric utilities, universities, and federal agencies. The Program`s partners had over 250 electric vehicles, from vehicle converters and original equipment manufacturers, in their operating fleets. Test results are available via the World Wide Web site at http://ev.inel.gov/sop.

Francfort, J.E. [Lockheed Martin Idaho Technologies Co., Idaho Falls, ID (United States). Idaho National Engineering and Environmental Lab.; Bassett, R.R. [Sandia National Labs., Albuquerque, NM (United States); Birasco, S. [Los Angeles Dept. of Water and Power, CA (United States)] [and others

1998-01-01

227

Evaluation of the nuclear-power-plant operator-licensing examination. Final report  

SciTech Connect

The field work included interviews with operator licensing examiners, utility trainers, candidates, and plant management; interviews and discussions with professional; content analysis of the written portion of 24 control room operator examinations; observation of the conduct of examinations in plants; analysis of data obtained from NRC; and literature searches and reviews. The report includes chapters containing findings from a content analysis of 24 examinations, technical discussions of the concepts of validity and reliability, and the application of these concepts to the control room operator examination. Other chapters discuss the need to develop operator performance measures and the problems associated with this need including problems of influence of performance-shaping factors on control room operator performance. The last half of the report focuses on what could and should be done in the future. The report argues that any new examination must be based on a task analysis, most probably the INPO task analysis. It is also argued that attempts should be made to incorporate methods for measuring operators' problem solving ability in ill-defined situations. Further, it is pointed out that the NRC needs to clarify whether the licensing examination is to be a test of minimal competence or a mastery test, whether the examination system is to also serve the selection function, and whether separate licensing tests are needed for RO's and SRO's. The last chapter presents a model for a new licensing process.

Fullerton, A.M.; Peelle, E.; Reed, J.H.; Morrison, G.W.; Liebowitz, S.J.

1983-10-01

228

Mobile machine hazardous working zone warning system  

DOEpatents

A warning system is provided for a mobile working machine to alert an individual of a potentially dangerous condition in the event the individual strays into a hazardous working zone of the machine. The warning system includes a transmitter mounted on the machine and operable to generate a uniform magnetic field projecting beyond an outer periphery of the machine in defining a hazardous working zone around the machine during operation. A receiver, carried by the individual and activated by the magnetic field, provides an alarm signal to alert the individual when he enters the hazardous working zone of the machine. 3 figs.

Schiffbauer, W.H.; Ganoe, C.W.

1999-08-17

229

Sensor controlled robotic welding for nuclear power plant operations: Final progress report  

SciTech Connect

The objective of the proposed research is to apply real time monitoring, artificial intelligence and on-line correction to dynamically control the depth of weld penetration and weld integrity during the welding process. Welding is a major technique used in the fabrication, construction and maintenance of power generating and energy conversion systems. In the welding process, fluctuations in process variables lead to weld defects such as lack of penetration, cracks, porosity and undesirable metallurgical structures. This research will apply advanced infrared sensing techniques which have been successfully used in seam tracking to the equally complex problem of weld defect and weld puddle penetration control. Thermal temperature distributions of plates being welded will be dynamically measured during welding using infrared techniques. These temperature distributions will be used to interpret changes in the size and shape of the molten metal pool and the presence of conditions that may lead to defects in the solidified weld. The ultimate result of this research will be the development of machines which are capable of sensing and altering process variables to eliminate defective welds and increase the productivity of the welding process. Successful completion of this proposed research will lead to potential major improvements in the fabrication, construction and maintenance of advanced nuclear reactors and promote increased safety and reliability while decreasing construction costs. 47 refs., 50 figs.

Chin, B.A.

1989-06-08

230

Development of a Machine-Independent, Multi-Level, Recursive Macro Substitution Language for the Specification of Real File Structures and Their Operational Environments.  

National Technical Information Service (NTIS)

The report describes a machine-independent, multi-level, recursive macro-substitution language, called mini-FIRMS, that can be used as a vehicle in the mathematical simulation of machine filing structures. This language is intended to enable the evaluatio...

K. B. Krohn

1969-01-01

231

Final Report: Operational Retrieval of Cloud Microphysical Properties Using Combined Measurements by Diverse Instruments  

SciTech Connect

The report on the final phase of the project describes improvements in the ice and liquid cloud retrieval algorithms due to the use of three-parameter particle size distributions in which all three parameters may vary with height, testing of the improved retrievals by comparisons of measured and calculated fluxes, and further improvement in liquid retrievals obtained by adding liquid water path information from the microwave radiometer to radar and visible optical depth information.

Richard T. Austin

2008-06-30

232

Oil-spill-response measures for offshore oil and gas operations. Final report  

SciTech Connect

This report examines spill-response capabilities for arctic and subarctic Outer Continental Shelf (OCS) areas. The paper begins with a discussion of the regulatory requirements for pollution prevention and oil-spill-response planning, then describes the spill-response organization that industry has established to meet these requirements. Finally, the report examines the spill-response measures that have been proposed for the Alaska OCS Region and the research and development efforts underway to improve spill-response capabilities.

Murrell, T.L.; Levine, J.R.; Regg, J.B.; Tennyson, E.J.

1987-04-01

233

Scribbling Machines  

NSDL National Science Digital Library

In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path. Itâs made from simple materials and is based on the idea of motion created by an offset motor. Try using harvested motors and switches from discarded toys and electronics to make your Scribbling Machine - this not only keeps costs down, but is a playful and inventive way to explore how everyday objects work. To take the activity further, you can also incorporate PicoCrickets to make your Scribbling Machine more intelligent and to explore computers.

Exploratorium

2013-01-30

234

Turbine Reliability and Operability Optimization through the use of Direct Detection Lidar Final Technical Report  

SciTech Connect

The goal of this Department of Energy (DOE) project is to increase wind turbine efficiency and reliability with the use of a Light Detection and Ranging (LIDAR) system. The LIDAR provides wind speed and direction data that can be used to help mitigate the fatigue stress on the turbine blades and internal components caused by wind gusts, sub-optimal pointing and reactionary speed or RPM changes. This effort will have a significant impact on the operation and maintenance costs of turbines across the industry. During the course of the project, Michigan Aerospace Corporation (MAC) modified and tested a prototype direct detection wind LIDAR instrument; the resulting LIDAR design considered all aspects of wind turbine LIDAR operation from mounting, assembly, and environmental operating conditions to laser safety. Additionally, in co-operation with our partners, the National Renewable Energy Lab and the Colorado School of Mines, progress was made in LIDAR performance modeling as well as LIDAR feed forward control system modeling and simulation. The results of this investigation showed that using LIDAR measurements to change between baseline and extreme event controllers in a switching architecture can reduce damage equivalent loads on blades and tower, and produce higher mean power output due to fewer overspeed events. This DOE project has led to continued venture capital investment and engagement with leading turbine OEMs, wind farm developers, and wind farm owner/operators.

Johnson, David K; Lewis, Matthew J; ,; Pavlich, Jane C; Wright, Alan D; Johnson, Kathryn E; Pace, Andrew M

2013-02-01

235

Operational Readiness Review Final Report for Implementation of an Increased Facility Radioactive Source Inventory Limit & Shippingport Fuel 07/2002  

SciTech Connect

An Operational Readiness Review (ORR) was conducted by the US Department of Energy (DOE), Richland Operations Office (RL) to verify that an adequate state of readiness had been achieved for those activities associated with the removal of Shippingport fuel from the 271-T Facility (T Plant) as a Hazard Category 2 nuclear facility and the readiness of T Plant to operate within the revised safety basis (SB) inventory limits. The DOE ORR was conducted in two parts in accordance with the T Plant Operational Readiness Review DOE-RL Plan of Action. The DOE team observed the dry run of the Shippingport fuel removal process, in conjunction with the contractor ORR of June 2002. Autonomously, the DOE Team completed the ORR in July 2002 by determining the adequacy of the contractor's final ORR (CORR); conducting a sampling of T Plant procedures and processes to validate the CORR; and, observation of a dry run that demonstrated the ability of T Plant to seal a Shippingport Spent Fuel Canister. The DOE ORR Team has concluded that T Plant has demonstrated an appropriate state of readiness and recommends the RL Manager authorize Fluor Hanford to implement the revised safety basis (SB) inventory limits and begin Shippingport fuel removal operations as a Hazard Category 2 nuclear facility. The team further concludes that an adequate level of protection for the worker, public health and safety, and the environment is inherent in the T Plant operations. T Plant has demonstrated an enhanced safety culture. Although there is room for improvement in the T Plant operations as represented by the findings and observations annotated in the body of the report, the overall operation has demonstrated a high degree of professionalism and a discipline of operations that bodes well for the current efforts and future endeavors.

RICHINS, C.R.

2002-08-15

236

Analyses of operational times and technical aspects of the Salton Sea scientific drilling project: (Final report)  

SciTech Connect

The Deep Salton Sea Scientific Drilling Program (DSSSDP) was conducted in Imperial County of California at the Southeastern edge of the Salton Sea. Emphasis was on the acquisition of scientific data for the evaluation of the geological environment encountered during the drilling of the well. The scientific data acquisition activities consisted of coring, running of numerous downhole logs and tools in support of defining the geologic environment and conducting two full scale flow tests primarily to obtain pristine fluid samples. In addition, drill cuttings, gases and drilling fluid chemistry measurements were obtained from the drilling fluid returns concurrent with drilling and coring operations. The well was drilled to 10,564 feet. This report describes the field portions of the project and presents an analysis of the time spent on the various activities associated with the normal drilling operations, scientific data gathering operations and the three major downhole problem activities - lost circulation, directional control and fishing.

Not Available

1986-12-01

237

Waste Isolation Pilot Plant Title I operator dose calculations. Final report, LATA report No. 90  

SciTech Connect

The radiation exposure dose was estimated for the Waste Isolation Pilot Plant (WIPP) operating personnel who do the unloading and transporting of the transuranic contact-handled waste. Estimates of the radiation source terms for typical TRU contact-handled waste were based on known composition and properties of the waste. The operations sequence for waste movement and storage in the repository was based upon the WIPP Title I data package. Previous calculations had been based on Conceptual Design Report data. A time and motion sequence was developed for personnel performing the waste handling operations both above and below ground. Radiation exposure calculations were then performed in several fixed geometries and folded with the time and motion studies for individual workers in order to determine worker exposure on an annual basis.

Hughes, P.S.; Rigdon, L.D.

1980-02-01

238

Nearest neighbor training of side effect machines for sequence classification  

Microsoft Academic Search

Side effect machines operate by associating side effects with the states of a finite state machine. The use of side effect machines permits the researcher to leverage information stored in the state transition structure, making machines that might be identical as recognizers behave differently as classifiers. The side effect machines in this study associate a counter with each state so

Daniel Ashlock; Andrew McEachern

2010-01-01

239

Machine Learning for Robots: A Comparison of Di erent Paradigms  

E-print Network

Machine Learning for Robots: A Comparison of Di erent Paradigms Sridhar Mahadevan Department of the general problem of machine learning. Machine learning is a sub eld of arti cial intelligence (AI), whose programming the robot to operate the machine. Machine learning research has studied many di erent types

Duckett, Tom

240

Machine Learning for Robots: A Comparison of Different Paradigms  

E-print Network

Machine Learning for Robots: A Comparison of Different Paradigms Sridhar Mahadevan Department as a special case of the general problem of machine learning. Machine learning is a subfield of artificial painstakingly programming the robot to operate the machine. Machine learning research has studied many different

Mahadevan, Sridhar

241

Chemical warfare: Implications for Operation Desert Storm and beyond. Final report  

SciTech Connect

This paper presents the potential for use of lethal and incapacitating chemical agents in the Persian Gulf. Insight from past chemical warfare case studies, current international law, and U.S. and Soviet policy, strategy and tactics provide a basis for examination of Iraq's chemical warfare potential and operational strategy. In addition, a survey of Naval War College students assesses the current U.S. Armed Forces level of chemical warfare readiness. This analysis combined with the U.S. experience and current war with Iraq as well as proposing a more viable operational capability to meet stated national policy in response to chemical weapons.

Trummer, F.G.; Twining, B.L.

1991-02-11

242

Machine therapy  

E-print Network

Machine Therapy is a new practice combining art, design, psychoanalysis, and engineering work in ways that access and reveal the vital, though often unnoticed, relevance of people's interactions and relationships with ...

Dobson, Kelly E. (Kelly Elizabeth), 1970-

2007-01-01

243

Math Machines  

NSDL National Science Digital Library

The mission of the Math Machines organization is to "improve the quality of mathematical education, enhance the transfer of mathematical thinking into other classes, and increase students' ability to apply rigorous mathematics outside the classroom." Their website supports a National Science Foundation ATE grant-supported project designed to improve teaching in the areas of Mathematics, Science, and Technology at the high school and college levels. This improved learning results from using math, science, and technology principles to build and control various machines such as pointers and robots or "math machines", which are simple devices that provide an immediate, physical, dynamic expression to abstract mathematical equations. The website provides information links on Educational Theory, Classroom Activities, Project Workshops, Calculators & Programs, and Machine Construction Instructions for Building: Closed Circuits, Servo Motors, Controllers, Robot Boards and more. There is also contact information, an FAQ section, as well as upcoming events.

2010-05-18

244

Parallelism in random access machines  

Microsoft Academic Search

A model of computation based on random access machines operating in parallel and sharing a common memory is presented. The computational power of this model is related to that of traditional models. In particular, deterministic parallel RAM's can accept in polynomial time exactly the sets accepted by polynomial tape bounded Turing machines; nondeterministic RAM's can accept in polynomial time exactly

Steven Fortune; James Wyllie

1978-01-01

245

The Blindstitch Machine. Module 11.  

ERIC Educational Resources Information Center

This module on the purpose and use of the blindstitch machine, one in a series on clothing construction for industrial sewing machine operators designed for student self-study, contains three sections. Each section includes the following parts: an introduction, directions, an objective, learning activities, student information, student self-check,…

South Carolina State Dept. of Education, Columbia. Office of Vocational Education.

246

Cooling of new designed machine  

Microsoft Academic Search

This paper deals with aspiration to offer a special cooling system for enclosed induction machine which operates in explosive environment. This is particularly relevant to electric devices in power plant, or other predisposed applications, where machine arrangement complexity has to be kept to a minimum. A new design was developed to improve heat exchange with a low-pressure drop. A new

Vladimir Kindl; Roman Pechanek; Lukas Bouzek

2010-01-01

247

Monel Machining  

NASA Technical Reports Server (NTRS)

Castle Industries, Inc. is a small machine shop manufacturing replacement plumbing repair parts, such as faucet, tub and ballcock seats. Therese Castley, president of Castle decided to introduce Monel because it offered a chance to improve competitiveness and expand the product line. Before expanding, Castley sought NERAC assistance on Monel technology. NERAC (New England Research Application Center) provided an information package which proved very helpful. The NASA database was included in NERAC's search and yielded a wealth of information on machining Monel.

1983-01-01

248

Chemical warfare: Implications for Operation Desert Storm and beyond. Final report  

Microsoft Academic Search

This paper presents the potential for use of lethal and incapacitating chemical agents in the Persian Gulf. Insight from past chemical warfare case studies, current international law, and U.S. and Soviet policy, strategy and tactics provide a basis for examination of Iraq's chemical warfare potential and operational strategy. In addition, a survey of Naval War College students assesses the current

F. G. Trummer; B. L. Twining

1991-01-01

249

Reduced gas pressure operation of sludge digesters: Expanded studies. Final report  

SciTech Connect

Previous investigations strongly suggested that the municipal anaerobic sludge digestion process could be enhanced by reactor operation with subatmospheric headspace pressures. Enhanced solids destruction and methane production along with increased process stability were observed in these earlier studies. However, due to the small scale of the anaerobic reactors used ( {approx}1.5 L), definitive steady-state measurements could not be obtained. These expanded studies were undertaken to verify and define the magnitude of the benefits that might be obtained with vacuum operation of sludge digesters. Four reactors ({approx}15.0 L) were fed municipal sludge at three different organic loading rates while being maintained with a 15-day solids retention time. One reactor had a constant headspace pressure of 1.02 atm; a second was maintained at 0.75 atm; and the remaining two reactors were operated for the majority of the day at 1.02 atm, and for part of the day with a 0.75 atm headspace pressure. Additional small-scale, batch experiments were performed to help identify controlling digestion mechanisms. The results of these expanded studies indicate that vacuum operation did not yield significant advantages over the organic loading range investigated (0.088 to 0.352 lb VSS/ft{sup 3}{center_dot}d).

Not Available

1993-09-01

250

Organization and Operation of Kentucky's Vocational Education Learning Centers. Final Report.  

ERIC Educational Resources Information Center

A project was undertaken to develop a model for organizing and operating learning centers in secondary and postsecondary vocational schools as well as in community colleges in Kentucky. During the first year of the project models were developed for learning centers at both instructional levels. Stressed in each model was the use of key elements of…

Omvig, Clayton P.; Tulloch, Charlotte

251

Skills Conversion Project: Chapter 6, Forest Operations and Wood Products. Final Report.  

ERIC Educational Resources Information Center

A study of the forest operations and wood products industries was conducted in Atlanta and Seattle by the National Society of Professional Engineers. Included among these industries are tree development, crop and land management, logging, material handling transportation, cutting, peeling, assembly, pulp and paper, mobile homes, construction,…

National Society of Professional Engineers, Washington, DC.

252

A Post Licensing Study of Community Effects at Two Operating Nuclear Power Plants. Final Report.  

ERIC Educational Resources Information Center

In an effort to identify and assess the social, economic, and political effects of nuclear power plant construction and operation upon two host communities (Plymouth, Massachusetts and Waterford, Connecticut), a post-licensing review revealed that the primary impact of the nuclear power plants in both communities was an increase in the property…

Purdy, Bruce J.; And Others

253

Final Report for Organic Partitioning Resulting from Operation of an INTEC Double-needle Sampler  

SciTech Connect

The double needle sampler testing is a continuation of previous test series that investigated the fate of organic species in the Process Equipment Waste Evaporator (PEWE) system at the Idaho Nuclear Technology and Engineering Center (INTEC). This test series was designed to investigate the effects of operation of the double needle sampling systems on volatile organic constituents in an acidic feed matrix.

Michael B. Heiser

2003-09-01

254

Operation of a telemetered seismic network on the Alaska Peninsula. Final report  

SciTech Connect

The purpose was the installation and operation of a seismic network to provide data for the investigation into the seismotectonics of the eastern portion of the Alaska-Aleutian arc. This paper gives an overview of the program and presents an earthquake catalogue and results of studies based on the network. (ACR)

Not Available

1983-07-01

255

Operation Ranger, shots Able, Baker, Easy, Baker2, Fox, 25 January6 February 1951. Final report  

Microsoft Academic Search

This report describes the activities of DOD personnel, both military and civilian, in Operation RANGER, the first atmospheric nuclear weapons testing series, conducted in Nevada from 25 January to 6 February 1951. The RANGER series consisted of one high-explosive shot and five nuclear shots: ABLE, BAKER, EASY, BAKER-2, and FOX. DOD activities included scientific and diagnostic experiments, DOD air and

C. Maag; S. Rohrer; R. Shepanek

1982-01-01

256

Environmental assessment for device assembly facility operations, Nevada Test Site, Nye County, Nevada. Final report  

SciTech Connect

The U.S. Department of Energy, Nevada Operations Office (DOE/NV), has prepared an environmental assessment (EA), (DOE/EA-0971), to evaluate the impacts of consolidating all nuclear explosive operations at the newly constructed Device Assembly Facility (DAF) in Area 6 of the Nevada Test Site. These operations generally include assembly, disassembly or modification, staging, transportation, testing, maintenance, repair, retrofit, and surveillance. Such operations have previously been conducted at the Nevada Test Site in older facilities located in Area 27. The DAF will provide enhanced capabilities in a state-of-the-art facility for the safe, secure, and efficient handling of high explosives in combination with special nuclear materials (plutonium and highly enriched uranium). Based on the information and analyses in the EA, DOE has determined that the proposed action would not constitute a major federal action significantly affecting the quality of the human environment within the meaning of the National Environmental Policy Act of 1969 (42 U.S.C. 4321 et seq.). Therefore, an environmental impact statement is not required, and DOE is issuing this finding of no significant impact.

NONE

1995-05-01

257

Chemical Operations Technology Curriculum Development Project. PY95 Final Detailed Report.  

ERIC Educational Resources Information Center

A model curriculum for an associate of applied science degree in chemical operations technology (COT) was developed at Texas State Technical College in Marshall, Texas. First, a comprehensive analysis of the local and statewide labor market demand for trained personnel in the advanced field of COT was conducted. Next, a comprehensive task analysis…

Texas State Technical Coll., Marshall.

258

Capital and operating costs of selected air pollution control systems. Final report  

Microsoft Academic Search

The purpose of this manual is to provide capital and operating costs for air pollution control systems. Capital costs are provided for component equipments, such as ductwork, dampers, heat exchangers, mechanical collectors, fans, motors, stacks, cooling towers, pumps, and dust removal equipment. Eight types of control devices are included: (1) high voltage electrostatic precipitators; (2) venturi scrubbers; (3) fabric filters;

Neveril

1978-01-01

259

Operational Readiness Review Final Report For F-Canyon Restart. Phase 1  

Microsoft Academic Search

An independent WSRC Operational Readiness Review was performed for the restart of Phase 1 processing in F-Canyon, Building 221-F. Readiness to restart the Second Plutonium Cycle process and solvent recovery was assessed. The ORR was conducted by an ORR board of ten members with the support of a subject matter expert. The chairman and four members were drawn from the

A. F. McFarlane; J. B. Spangler

1995-01-01

260

On the Economics of Library Operation. Final Report Submitted to National Advisory Commission on Libraries.  

ERIC Educational Resources Information Center

Both an analysis of the sources of cost trends in libraries and the relationship of the prospective role of automation in library operations to the causes of cost trends and the predicted shortage of trained librarians are examined in the study of the economic structure of the library. Issues investigated are those particularly relating to current…

National Advisory Commission on Libraries, Washington, DC.

261

Bibliographic Automation of Large Library Operations Using a Time-Sharing System: Phase I. Final Report.  

ERIC Educational Resources Information Center

The first phase of an ongoing library automation project at Stanford University is described. Project BALLOTS (Bibliographic Automation of Large Library Operations Using a Time-Sharing System) seeks to automate the acquisition and cataloging functions of a large library using an on-line time-sharing computer. The main objectives are to control…

Epstein, A. H.; And Others

262

Columbia River System Operation Review : Final Environmental Impact Statement, Appendix D: Exhibits.  

SciTech Connect

The Columbia River and its tributaries are the primary water system in the Pacific Northwest, draining some 219,000 square miles in seven states and another 39,500 square miles in British Columbia. Beginning in the 1930`s, the Columbia River has been significantly modified by construction of 30 major dams on the river and its tributaries, along with dozens of non-Federal projects. Construction and subsequent operation of these water development projects have contributed to eight primary uses of the river system, including navigation, flood control, irrigation, electric power generation, fish migration, fish and wildlife habitat, recreation, and water supply and quality considerations. Increasing stress on the water development of the Columbia River and its tributaries has led primary Federal agencies to undertake intensive analysis and evaluation of the operation of these projects. These agencies are the U.S. Army Corps of Engineers and the Bureau of Reclamation, who operate the large Federal dams on the river, and the Bonneville Power Administration who sells the power generated at the dams. This review, termed the System Operation Review (SOR), has as its ultimate goal to define a strategy for future operation of the major Columbia River projects which effectively considers the needs of all river uses. This volume, Appendix D: Cultural resources appendix, Technical imput includes the following: Development of geomorphology based framework for cultural resources management, Dworshak Reservoir, Idaho; Impact profiles for SOR reservoirs; comments from the following Native American tribes: Burns Paiute Tribe; Coville Confederated Tribes; Confederated Tribes of the Warm Springs Indian Reservation; Confederated Tribes and bands of the Yakama Indian Nation (comments); Nez Perce Tribe; Coeur D`Alene Tribe; Spokane Tribe of Indians; The confederated Tribes of the Umatilla Indian Reservation.

Columbia River System Operation Review (U.S.)

1995-11-01

263

FINAL REPORT: Reduction in Energy Consumption and Variability in Steel Foundry Operations  

SciTech Connect

This project worked to improve the efficiency of the steel casting industry by reducing the variability that occurs because of process and product variation. The project focused on the post shakeout operations since roughly half of the production costs are in this area. These improvements will reduce the amount of variability, making it easier to manage the operation and improve the competitiveness. The reduction in variability will also reduce the need for many rework operations, which will result in a direct reduction of energy usage, particularly by the reduction of repeated heat treatment operations. Further energy savings will be realized from the reduction of scrap and reduced handling. Field studies were conducted at ten steel foundries that represented the U.S. steel casting industry, for a total of over 100 weeks of production observation. These studies quantified the amount of variability, and looked toward determining the source. A focus of the data collected was the grinding operations since this is a major effort in the cleaning room, and it represents the overall casting quality. The grinding was divided into two categories, expected and unexpected. Expected grinding is that in which the location of the effort is known prior to making the casting, such as smoothing parting lines, gates, and riser contacts. Unexpected grinding, which was approximately 80% of the effort, was done to improve the surfaces at weld repair locations, to rectify burnt on sand, and other surface anomalies at random locations. Unexpected grinding represents about 80% of the grinding effort. By quantifying this effort, the project raised awareness within the industry and the industry is continuing to make improvements. The field studies showed that the amount of variation of grinding operations (normalized because of the diverse set of parts studied) was very consistent across the industry. The field studies identified several specific sources that individually contributed to large process variation. This indicates the need for ongoing monitoring of the process and system to quantify the effort being expended. A system to measure the grinding effort was investigated but did not prove to be successful. A weld wire counting system was shown to be very successful in tracking casting quality by monitoring the quantity of weld wire being expended on a per casting basis. Further use of such systems is highly recommended. The field studies showed that the visual inspection process for the casting surface was a potentially large source of process variation. Measurement system analysis studies were conducted at three steel casting producers. The tests measured the consistency of the inspectors in identifying the same surface anomalies. The repeatability (variation of the same operator inspecting the same casting) was found to be relatively consistent across the companies at about 60-70%. However, this is still are very large amount of variation. Reproducibility (variation of different operators inspecting the same casting) was worse, ranging between 20 to 80% at the three locations. This large amount of variation shows that there is a great opportunity for improvement. Falsely identifying anomalies for reworking will cause increased expense and energy consumption. This is particularly true if a weld repair and repeated heat treatment is required. However, not identifying an anomaly could also result in future rework processing, a customer return, or scrap. To help alleviate this problem, casting surface comparator plates were developed and distributed to the industry. These plates are very inexpensive which enables them to be provided to all those involved with casting surface quality, such as operators, inspectors, sales, and management.

F. Peters

2005-05-24

264

Cost effective machining and inspection of structural ceramic components for advanced high temperature application. Final CRADA report for CRADA number Y-1292-0151  

SciTech Connect

This Cooperative Research and Development Agreement (CRADA) was a mutual research and development (R and D) effort among the participants to investigate a range of advanced manufacturing technologies for two silicon nitride (Si{sub 3}N{sub 4}) ceramic materials. The general objective was to identify the most cost-effective part manufacturing processes for the ceramic materials of interest. The focus was determining the relationship between material removal rates, surface quality, and the structural characteristics of each ceramic resulting from three innovative processes. These innovated machining processes were studied using silicon nitride advanced materials. The particular (Si{sub 3}N{sub 4}) materials of interest were sintered GS-44 from the Norton Company, and reaction-bonded Ceraloy 147-3. The processes studied included the following activities: (1) direct laser machining; (2) rotary ultrasonic machining; and (3) diamond abrasive grinding, including both resinoid and vitreous-bonded grinding wheels. Both friable and non-friable diamond types were included within the abrasive grinding study. The task also conducted a comprehensive survey of European experience in use of ceramic materials, principally aluminum oxide. Originally, the effort of this task was to extend through a prototype manufacturing demonstration of selected engine components. During the execution of this program, however changes were made to the scope of the project, altering the goals. The Program goal became only the development of assessment of their impacts on product strength and surface condition.

Abbatiello, L.A. [Lockheed Martin Energy Systems, Inc., Oak Ridge, TN (United States); Haselkorn, M. [Caterpillar, Inc., Peoria, IL (United States)

1996-11-29

265

Geological and operational summary, North Aleutian Shelf Coast No. 1 well, Bering Sea, Alaska. Final report  

SciTech Connect

Discusses the first continental offshore stratigraphic test well drilled in the North Aleutian Basin Planning Area, Bering Sea, Alaska. The well was drilled to determine the hydrocarbon potential of the area. The report covers drilling operations; lithology and core data; velocity analysis; geologic setting and tectonic framework; seismic stratigraphy; well-log interpretation and lithostratigraphy; paleontology and biostratigraphy; geothermal gradient; organic geochemistry; abnormal formation pressure; geologic hazards and shallow geology; and environmental considerations.

Turner, R.F.

1988-11-01

266

Particle emission and operating characterization of an electrostatically enhanced fabric filter pilot plant: Final report  

SciTech Connect

Southern Research Institute performed an experimental study to investigate the Potential advantages of precharging fly ash before collection in a fabric filter baghouse. The study was performed on a pilot scale, reverse-gas cleaned, fabric filter at the Electric Power Research Institute (EPRI), Arapahoe Test Facility in Denver, Colorado. The system utilized a high intensity ionizer, developed jointly by EPRI and Air Pollution Systems. The ionizer was installed upstream of the baghouse to precharge the fly ash particles. While collection efficiencies were comparable to those of conventional baghouses (>99.9%), the tube sheet pressure drop observed during operation with the charger on was substantially lower than that obtained with the charger off. This was true especially at the higher air-to-cloth (A/C) ratios. Following long-term operations (in excess of 1200 hours) at an A/C value of 3, the average tube sheet pressure drop recorded while using charged ash (..delta..p = 4 in. H/sub 2/O) was found to be approximately 50% less than that using uncharged ash (..delta..p = 8 in. H/sub 2/O). Thus, it appears that a substantial benefit, in terms of reduced baghouse pressure drop, may be obtained by precharging the ash before filtration. As a result of the reduced pressure drop achieved with precharged ash, the baghouse may then be operated at a substantially higher air-to-cloth ratio. The direct result of this would be to reduce the physical size of the baghouse required for a given installation. Thus by requiring a smaller baghouse, substantial savings may be possible in construction costs and operating expenses.

Pyle, B.E.; Pontius, D.H.; Martin, C.E.

1987-09-01

267

Potential for energy conservation in industrial operations in Texas. Final report  

Microsoft Academic Search

Energy use and applicable energy conservation measures were determined by a survey of 308 plants in the four subject industries. Field data were collected on eight selected process heaters and boilers to determine the current level of fuel efficiencies, and operating parameters. It was concluded that: (1) energy consumption in the four industries is 2.46 x 10¹⁵ Btu\\/yr; assuming these

Prengle; H. W. Jr

1974-01-01

268

Operational Readiness Review Final Report For F-Canyon Restart. Phase 1  

SciTech Connect

An independent WSRC Operational Readiness Review was performed for the restart of Phase 1 processing in F-Canyon, Building 221-F. Readiness to restart the Second Plutonium Cycle process and solvent recovery was assessed. The ORR was conducted by an ORR board of ten members with the support of a subject matter expert. The chairman and four members were drawn from the Operational Safety Evaluation Department, ESH& QA Division; additional members were drawn from other WSRC divisions, independent of the F-Canyon operating division (NMPD). Based on the results of the readiness verification assessments performed according to the ORR plan and the validation of pre-restart corrective actions, the WSRC independent ORR Board has concluded that the facility has achieved the state of readiness committed to in the Restart Plan. Also, based on the scope of the ORR, it is the opinion of the board that F-Canyon Phase 1 processes can be restarted without undue risk to the safety of the public and onsite workers and without undue risk to the environment.

McFarlane, A.F.; Spangler, J.B.

1995-04-05

269

Satellite power systems (SPS) concept definition study (exhibit d). Volume 4: operations analyses. Final report  

SciTech Connect

Using a coplanar, end-mounted antenna as a baseline, various configuration trades were performed to select a preferred solid state concept. The increase in efficiency that could be realized by use of multi bandgap solar cells, either with klystron or solid state antenna was evaluated. Satellite configurations were developed to exploit the sandwich antenna concept wherein solar cells are located on one side of the antenna panel and solid state dc/RF converters on the other side. These concepts entailed various primary and secondary reflector arrangements for directing solar energy to the solar cell side of the antenna with higher concentration ratios than used on the coplanar configurations. Operations analysis included development of a satellite construction scenario, a concept for the SCB, a top-level satellite construction operation, construction operation, construction timelines and crew sizes, mass flows to orbit, and a satellite maintenance scenario. The list of materials required for satellite construction was updated to identify significant differences relevant to the solid state satellite concept. Means of decommissioning satellites at the end of their design life were studied.

Hanley, G.M.

1981-03-01

270

New Pump and Treat Facility Remedial Action Work Plan for Test Area North (TAN) Final Groundwater Remediation, Operable Unit 1-07B  

SciTech Connect

This operations and maintenance plan supports the New Pump and Treat Facility (NPTF) remedial action work plan and identifies the approach and requirements for the operations and maintenance activities specific to the final medical zone treatment remedy. The NPTF provides the treatment system necessary to remediate the medical zone portion of the OU 1-07B contaminated groundwater plume. Design and construction of the New Pump and Treat Facility is addressed in the NPTF remedial action work plan. The scope of this operation and maintenance plan includes facility operations and maintenance, remedy five-year reviews, and the final operations and maintenance report for the NPTF.

L. O. Nelson

2003-09-01

271

76 FR 77996 - Notice of Issuance of Final Air Permits for Eni US Operating Co., Inc. and Port Dolphin Energy, LLC.  

Federal Register 2010, 2011, 2012, 2013

...Final Air Permits for Eni US Operating Co., Inc. and...OCS) air permit for Eni US Operating Inc. (Eni...south of the nearest Florida coast. The operation will last...approximately 28 miles off the west coast of Florida, and 42...

2011-12-15

272

Molten salt coal gasification process development unit. Phase 1. Volume 1. PDU operations. Final report  

SciTech Connect

This report summarizes the results of a test program conducted on the Molten Salt Coal Gasification Process, which included the design, construction, and operation of a Process Development Unit. In this process, coal is gasified by contacting it with air in a turbulent pool of molten sodium carbonate. Sulfur and ash are retained in the melt, and a small stream is continuously removed from the gasifier for regeneration of sodium carbonate, removal of sulfur, and disposal of the ash. The process can handle a wide variety of feed materials, including highly caking coals, and produces a gas relatively free from tars and other impurities. The gasification step is carried out at approximately 1800/sup 0/F. The PDU was designed to process 1 ton per hour of coal at pressures up to 20 atm. It is a completely integrated facility including systems for feeding solids to the gasifier, regenerating sodium carbonate for reuse, and removing sulfur and ash in forms suitable for disposal. Five extended test runs were made. The observed product gas composition was quite close to that predicted on the basis of earlier small-scale tests and thermodynamic considerations. All plant systems were operated in an integrated manner during one of the runs. The principal problem encountered during the five test runs was maintaining a continuous flow of melt from the gasifier to the quench tank. Test data and discussions regarding plant equipment and process performance are presented. The program also included a commercial plant study which showed the process to be attractive for use in a combined-cycle, electric power plant. The report is presented in two volumes, Volume 1, PDU Operations, and Volume 2, Commercial Plant Study.

Kohl, A.L.

1980-05-01

273

Operations, Maintenance, and Replacement 10-Year Plan 1990-1999 : Environmental Strategy. Final Report.  

SciTech Connect

In operating and maintaining its regional power transmission system, Bonneville Power Administration (BPA) must address environmental concerns. Pollution sources and pathways for pollution migration, including potential contamination from hazardous or toxic materials, are present. BPA must develop and follow precautionary measures, respond to emergencies, minimize wastes, redress past problems, alert and train employees to problems and safety needs, constantly evaluate this effort and update the program for improvements and changes in regulations and technology. Part of BPA's mission is to conduct its operation, maintenance, and replacement programs in an environmentally sound manner. BPA recognizes its responsibility to be good stewards of the environment. BPA will meet its environmental obligations as set forth in environmental laws and regulations. BPA intends to make consistent and measurable progress toward meeting these responsibilities. The target for the 10-Year Plan is to achieve environmental compliance and meet the following goals: (1) protect human health and the environment; (2) avoid or limit liability (3) set up an effective internal management structure to maintain compliance; and (4) achieve cost-effective compliance. 6 figs.

United States. Bonneville Power Administration.

1990-09-01

274

Preliminary definition of the DOE/OCRWM transportation operating system: Final report  

SciTech Connect

This paper is based on the report ''Preliminary Definition of the Transportation Operations System'' and presents a summary of the preliminary definition of transportation operations activities for the cask shipment cycle, commencing with the dispatch of an empty cask, to loading and unloading of cask contents, and preparation of the empty cask for redispatch. It first presents a high-level description of the transportation cycle and then further describes each of the major activities in greater detail. For simplicity of presentation, the highway mode of transport is most often used to describe activities. The reader should keep in mind that the use of other modes will slightly alter the activities and possibly the sequences. Major activities and functions of the system are organized into a first cut of how they could be allocated to specific facilities. The reader should keep in mind that the assignment of functions and the aggregation of these into specific facilities are tasks which have yet to be performed. This paper simply presents a first look at possible groupings of the functions on a facility basis. 12 figs.

Rawl, R.R.; Kline, S.C.

1988-01-01

275

Development of an operational tool for biomonitoring using constant pressure respirometry. [Final report  

SciTech Connect

The United States Environmental Protection Agency (US EPA) policy statement (FR 49, 9016, 9 March 1984) for the development of water quality based permit limitations includes toxicity testing of effluents as an important part of a water quality approach to controlling toxics (Pickering, 1988). To assure that state waters are free of toxics, both chemical and biological methods were recommended for assessing effluent quality. The US EPA validated bioassay procedures for toxicity testing of wastewater discharges use three distinctive organisms groups: vertebrates, invertebrates, and algae (Weber, 1989). The specific species for these three groups are fathead minnow, Pimephales promelas; water tea, Ceriodaphnia, dubia; and the green algae, Selenastrum capricornum, respectively. Definitive testing estimates the concentration atwhich a certain percentage of organisms exhibit a certain response. The definitive test exposes several replicate groups of organisms to the target substrate for a predetermined time period effluent concentration. The overall goal of this study is to develop an acceptable protocol for operational biomonitoring based on constant pressure respirometry for LANL. The specific objectives include: Development an appropriate toxicity testing protocol based on constant pressure respirometry for whole effluent toxicity testing, and evaluate the protocol based on factors such as sensitivity, response time, cost of analysis, and simplicity of operation.

Zachritz, W.H. II; Morrow, J. [New Mexico State Univ., Las Cruces, NM (United States)

1992-06-29

276

Coal-liquid fuel/diesel engine operating compatibility. Final report  

SciTech Connect

This work is intended to assess the possibilities of using coal-derived liquids (CDL) represented by a specific type (SRC II) and shale-derived distillate fuel in blends of petroleum-derived fuels in medium-speed, high-output, heavy-duty diesel engines. Conclusions are as follows: (1) Blends of solvent refined coal and diesel fuel may be handled safely by experienced diesel engine mechanics. (2) A serious corrosion problem was found in the fuel pump parts when operating with solvent refined coal blended with petroleum. It is expected that a metallurgy change can overcome this problem. (3) Proper selection of materials for the fuel system is required to permit handling coal-derived liquid fuels. (4) A medium speed, high horsepower, 4-cycle diesel engine can be operated on blends of solvent refined coal and petroleum without serious consequences save the fuel system corrosion previously mentioned. This is based on a single, short durability test. (5) As represented by the product evaluated, 100% shale-derived distillate fuel may be used in a medium speed, high horsepower, 4-cycle diesel engine without significant consequences. (6) The shale product evaluated may be blended with petroleum distillate or petroleum residual materials and used as a fuel for medium speed, high horsepower, 4-cycle diesel engines. 7 references, 24 figures, 20 tables.

Hoffman, J.G.; Martin, F.W.

1983-09-01

277

Field Operations Program Chevrolet S-10 (Lead-Acid) Accelerated Reliability Testing - Final Report  

SciTech Connect

This report summarizes the Accelerated Reliability testing of five lead-acid battery-equipped Chevrolet S-10 electric vehicles by the US Department of Energy's Field Operations Program and the Program's testing partners, Electric Transportation Applications (ETA) and Southern California Edison (SCE). ETA and SCE operated the S-10s with the goal of placing 25,000 miles on each vehicle within 1 year, providing an accelerated life-cycle analysis. The testing was performed according to established and published test procedures. The S-10s' average ranges were highest during summer months; changes in ambient temperature from night to day and from season-to-season impacted range by as much as 10 miles. Drivers also noted that excessive use of power during acceleration also had a dramatic effect on vehicle range. The spirited performance of the S-10s created a great temptation to inexperienced electric vehicle drivers to ''have a good time'' and to fully utilize the S-10's acceleration capability. The price of injudicious use of power is greatly reduced range and a long-term reduction in battery life. The range using full-power accelerations followed by rapid deceleration in city driving has been 20 miles or less.

J. Francfort (INEEL); J. Argueta; M. Wehrey (Southern California Edison); D. Karner; L. Tyree (Electric Transportation Applications)

1999-07-01

278

Columbia River System Operation Review : Final Environmental Impact Statement, Appendix N: Wildlife.  

SciTech Connect

The Columbia River System is a vast and complex combination of Federal and non-Federal facilities used for many purposes including power production, irrigation, navigation, flood control, recreation, fish and wildlife habitat and municipal and industrial water supply. Each river use competes for the limited water resources in the Columbia River Basin. This technical appendix addresses only the effects of alternative system operating strategies for managing the Columbia River system. The environmental impact statement (EIS) itself and some of the other appendices present analyses of the alternative approaches to the other three decisions considered as part of the SOR. This document is the product of the Wildlife Work Group, focusing on wildlife impacts but not including fishes. Topics covered include the following: scope and process; existing and affected environment, including specific discussion of 18 projects in the Columbia river basin. Analysis, evaluation, and alternatives are presented for all projects. System wide impacts to wildlife are also included.

Columbia River System Operation Review (U.S.)

1995-11-01

279

Evaluation of integrated communications and control technology for traffic operations. Final report  

SciTech Connect

For traffic surveillance and control systems to function, an effective communications subsystem is required to transmit data from detector sites to a control center and to return control instructions to motorist information on control equipment. The primary goal of this research is to evaluate the cost effectiveness, flexibility, adaptability, and suitability of various communications media for collecting and transmitting information from and to detection and control sites. The specific objectives are to (1) evaluate the integrated communications and control for traffic operations and incident response (2) evaluate the cost-effectiveness and trade-offs of potential communication technology such as fiber optics, coaxial cable, and microwave systems for traffic control, and (3) assess the effectiveness of communication technology that is used on freeway in application for local jurisdictions. The report provides information intended for use by planners, designers, and construction managers in making decisions with regards to communication in traffic management and control systems.

Layton, R.; Corcoran, J.

1998-09-01

280

LDRD final report : a lightweight operating system for multi-core capability class supercomputers.  

SciTech Connect

The two primary objectives of this LDRD project were to create a lightweight kernel (LWK) operating system(OS) designed to take maximum advantage of multi-core processors, and to leverage the virtualization capabilities in modern multi-core processors to create a more flexible and adaptable LWK environment. The most significant technical accomplishments of this project were the development of the Kitten lightweight kernel, the co-development of the SMARTMAP intra-node memory mapping technique, and the development and demonstration of a scalable virtualization environment for HPC. Each of these topics is presented in this report by the inclusion of a published or submitted research paper. The results of this project are being leveraged by several ongoing and new research projects.

Kelly, Suzanne Marie; Hudson, Trammell B. (OS Research); Ferreira, Kurt Brian; Bridges, Patrick G. (University of New Mexico); Pedretti, Kevin Thomas Tauke; Levenhagen, Michael J.; Brightwell, Ronald Brian

2010-09-01

281

Improvement of reliability of welding by in-process sensing and control (development of smart welding machines for girth welding of pipes). Final report  

SciTech Connect

Closed-loop control of the welding variables represents a promising, cost-effective approach to improving weld quality and therefore reducing the total cost of producing welded structures. The ultimate goal is to place all significant weld variables under direct closed-loop control; this contrasts with preprogrammed machines which place the welding equipment under control. As the first step, an overall strategy has been formulated and an investigation of weld pool geometry control for gas tungsten arc process has been completed. The research activities were divided into the areas of arc phenomena, weld pool phenomena, sensing techniques and control activities.

Hardt, D.E.; Masubuchi, K.; Paynter, H.M.; Unkel, W.C.

1983-04-01

282

Homopolar and bipolar hybrid excitation synchronous machines  

Microsoft Academic Search

This paper presents a description and operating principle of different hybrid excitation synchronous machines. Four prototype machines of different power rating (3 kW and 15 kW) have been studied. These machines combine two flux sources: permanent magnets, located in the rotor, and field coils, located in the stator. Thanks to this particular configuration the air gap flux can be easily

L. Vido; M. Gabsi; M. Lecrivain; Y. Amara; F. Chabot

2005-01-01

283

Getting Started with Microsoft Azure Virtual Machines  

E-print Network

Getting Started with Microsoft Azure Virtual Machines Introduction You can use a Microsoft Azure Virtual Machine when you need a scalable, cloud-based server running a Windows or Linux operating system (IaaS), you can run a virtual machine on an ongoing basis, or you can stop and restart it later

Narasayya, Vivek

284

15 CFR 5.5 - Vending machines.  

Code of Federal Regulations, 2011 CFR

...2011-01-01 2011-01-01 false Vending machines. 5.5 Section 5.5 Commerce and...OPERATION OF VENDING STANDS § 5.5 Vending machines. (a) The income from any vending machines which are located within reasonable...

2011-01-01

285

15 CFR 5.5 - Vending machines.  

Code of Federal Regulations, 2013 CFR

...2013-01-01 2013-01-01 false Vending machines. 5.5 Section 5.5 Commerce and...OPERATION OF VENDING STANDS § 5.5 Vending machines. (a) The income from any vending machines which are located within reasonable...

2013-01-01

286

15 CFR 5.5 - Vending machines.  

Code of Federal Regulations, 2012 CFR

...2012-01-01 2012-01-01 false Vending machines. 5.5 Section 5.5 Commerce and...OPERATION OF VENDING STANDS § 5.5 Vending machines. (a) The income from any vending machines which are located within reasonable...

2012-01-01

287

Virtual Machine Monitors 36.1 Introduction  

E-print Network

36 Virtual Machine Monitors 36.1 Introduction Years ago, IBM sold mainframes to large organizations, and a problem arose: what if the organization wanted to run different operating systems on the machine? (some yet another level of indirection in the form of a virtual machine monitor, or VMM or just monitor

Sheridan, Jennifer

288

15 CFR 5.5 - Vending machines.  

...2014-01-01 2014-01-01 false Vending machines. 5.5 Section 5.5 Commerce and...OPERATION OF VENDING STANDS § 5.5 Vending machines. (a) The income from any vending machines which are located within reasonable...

2014-01-01

289

Generation of Reaction Layers on Machined Surfaces  

Microsoft Academic Search

Machined surfaces are influenced by the generation of reaction layers resulting from the formulation of the metalworking fluid. Coolants reduce friction at the tool\\/surface interface and significantly influence the heat dissipation in machining operations and the generation of the surface layer. Nowadays, machining processes are evaluated with respect to the forces, grinding wheel wear, surface roughness, surface integrity, residual stresses,

E. Brinksmeier; A. Walter

2000-01-01

290

Multiple coupled circuit modeling of induction machines  

Microsoft Academic Search

A multiple coupled circuit model is presented for simulation of induction machines with both arbitrary winding layout and\\/or unbalanced operating conditions. The model is derived by means of winding functions. No symmetry is assumed. The parameters of the model are calculated directly from the geometry and winding layout of the machine. The behavior of an induction machine during starting is

X. Luo; Yuefeng Liao; H. Toliyat; A. El-Antably; T.A. Lipo

1993-01-01

291

Multiple coupled circuit modeling of induction machines  

Microsoft Academic Search

A new multiple coupled circuit model is presented for simulation of induction machines with both arbitrary winding layout and\\/or unbalanced operating conditions. The model is derived by means of winding functions. No symmetry is assumed. The parameters of the model are calculated directly from the geometry and winding layout of the machine. The behavior of an induction machine during starting

Xiaogang Luo; Yuefeng Liao; H. A. Toliyat; A. El-Antably; T.A. Lipo

1995-01-01

292

Workout Machine  

NASA Technical Reports Server (NTRS)

The Orbotron is a tri-axle exercise machine patterned after a NASA training simulator for astronaut orientation in the microgravity of space. It has three orbiting rings corresponding to roll, pitch and yaw. The user is in the middle of the inner ring with the stomach remaining in the center of all axes, eliminating dizziness. Human power starts the rings spinning, unlike the NASA air-powered system. Marketed by Fantasy Factory (formerly Orbotron, Inc.), the machine can improve aerobic capacity, strength and endurance in five to seven minute workouts.

1995-01-01

293

Culture Machine  

NSDL National Science Digital Library

Culture Machine is a new, refereed, electronic journal encompassing cultural studies and cultural theory. The international editorial board of the interactive journal aims to "generat[e] research in culture and theory" by promoting and publishing "the most provocative of new work." The theme of the inaugural issue is Taking Risks with the Future. Content includes articles such as Life After Death of the Text by Johan Fornas, Cultural Studies in the Clouds: Mourning for Detail by Tadeusz Slawek, and The Future States of Politics by Kenneth Surin. Culture Machine is hosted by the University of Teesside, England.

294

Columbia River System Operation Review : Final Environmental Impact Statement, Appendix D: Cultural Resources.  

SciTech Connect

This study attempts to identify and analyze the impacts of the System Operating Strategy (SOS) alternatives on cultural resources. The impacts include effects on Native American traditional cultural values, properties and practices. They also include effects on archeological or historic properties meeting the criteria of the National Register of Historic Places. In addition to responding to the requirements of the National Environmental Policy Act (NEPA), this analysis addresses the requirements of the National Historic Preservation Act (NHPA), the Archeological Resources Protection Act (ARPA), the Native American Graves Protection and Repatriation Act (NAGPRA), the Native American Religious Freedom Act (NARFA), and other relevant legislation. To meet their legally mandated cultural resources requirements, the SOR agencies will develop agreements and Implementation Plans with the appropriate State Historic Preservation Officers (SHPOs), Tribes, and the Advisory Council on Historic Preservation (ACHP) detailing the measures necessary to best manage the resource. The planning and implementation activities will be staged over a number of years in consultation with affected Tribes.

Columbia River System Operation Review (U.S.)

1995-11-01

295

Nuclear reactor operator training for disadvantaged Americans. Final report, March 1, 1984--November 30, 1992  

SciTech Connect

The Nuclear Engineering and Engineering Physics Department of the University of Virginia was awarded a grant by the US Department of Energy in 1984 to establish and administer a reactor operator training program for disadvantaged Americans. Stipends were provided by the US DOE for five trainees with the anticipation that four other educational facilities would participate in the program. Sub-contracts were awarded to four other Universities: Massachusetts Institute of Technology, The University of Missouri at Columbia, Oregon State University, and The State University of New York at Buffalo. The initial two year program was very successful and the grant was renewed in late 1986 for another two years. MIT declined to participate in the second program and was replaced by Ohio State University. U.VA. was notified in September, 1987 that new funding would no longer be provided for this program after December, 1987. U.VA. requested and was granted a no cost extention for the program through December, 1990, since sufficient funds remained in the initial grant to pursue the program further. DOE subsequently approved a no cost extension through November, 1992.

Farrar, J.P.; Mulder, R.U.

1992-12-01

296

Machine vision inspection of lace using a neural network  

NASA Astrophysics Data System (ADS)

Lace is particularly difficult to inspect using machine vision since it comprises a fine and complex pattern of threads which must be verified, on line and in real time. Small distortions in the pattern are unavoidable. This paper describes instrumentation for inspecting lace actually on the knitting machine. A CCD linescan camera synchronized to machine motions grabs an image of the lace. Differences between this lace image and a perfect prototype image are detected by comparison methods, thresholding techniques, and finally, a neural network (to distinguish real defects from false alarms). Though produced originally in a laboratory on SUN Sparc work-stations, the processing has subsequently been implemented on a 50 Mhz 486 PC-look-alike. Successful operation has been demonstrated in a factory, but over a restricted width. Full width coverage awaits provision of faster processing.

Sanby, Christopher; Norton-Wayne, Leonard

1995-03-01

297

Simulating Turing Machines on Maurer Machines  

E-print Network

Simulating Turing Machines on Maurer Machines J.A. Bergstra1,2 and C.A. Middelburg3 1 Programming MB Eindhoven, the Netherlands keesm@win.tue.nl Abstract. Maurer machines are much closer to real computers than Turing machines. Computer instructions play a prominent part in Mau- rer machines. We show

van der Zwaag, Mark

298

Real-Time Traffic Information for Emergency Evacuation Operations: Phase A Final Report  

SciTech Connect

There are many instances in which it is possible to plan ahead for an emergency evacuation (e.g., an explosion at a chemical processing facility). For those cases, if an accident (or an attack) were to happen, then the best evacuation plan for the prevailing network and weather conditions would be deployed. In other cases (e.g., the derailment of a train transporting hazardous materials), there may not be any previously developed plan to be implemented and decisions must be made ad-hoc on how to proceed with an emergency evacuation. In both situations, the availability of real-time traffic information plays a critical role in the management of the evacuation operations. To improve public safety during a vehicular emergency evacuation it is necessary to detect losses of road capacity (due to incidents, for example) as early as possible. Once these bottlenecks are identified, re-routing strategies must be determined in real-time and deployed in the field to help dissipate the congestion and increase the efficiency of the evacuation. Due to cost constraints, only large urban areas have traffic sensor deployments that permit access to some sort of real-time traffic information; any evacuation taking place in any other areas of the country would have to proceed without real-time traffic information. The latter was the focus of this SERRI/DHS (Southeast Region Research Initiative/Department of Homeland Security) sponsored project. That is, the main objective on the project was to improve the operations during a vehicular emergency evacuation anywhere by using newly developed real-time traffic-information-gathering technologies to assess traffic conditions and therefore to potentially detect incidents on the main evacuation routes. Phase A of the project consisted in the development and testing of a prototype system composed of sensors that are engineered in such a way that they can be rapidly deployed in the field where and when they are needed. Each one of these sensors is also equipped with their own power supply and a GPS (Global Positioning System) device to auto-determine its spatial location on the transportation network under surveillance. The system is capable of assessing traffic parameters by identifying and re-identifying vehicles in the traffic stream as those vehicles pass over the sensors. The system of sensors transmits, through wireless communication, real-time traffic information (travel time and other parameters) to a command and control center via an NTCIP (National Transportation Communication for ITS Protocol) -compatible interface. As an alternative, an existing NTCIP-compatible system accepts the real-time traffic information mentioned and broadcasts the traffic information to emergency managers, the media and the public via the existing channels. A series of tests, both in a controlled environment and on the field, were conducted to study the feasibility of rapidly deploying the system of traffic sensors and to assess its ability to provide real-time traffic information during an emergency evacuation. The results of these tests indicated that the prototype sensors are reliable and accurate for the type of application that is the focus of this project.

Franzese, Oscar [ORNL; Zhang, Li [Mississippi State University (MSU); Mahmoud, Anas M. [Mississippi State University (MSU); Lascurain, Mary Beth [ORNL; Wen, Yi [Mississippi State University (MSU)

2010-05-01

299

Decoding Machine  

NSDL National Science Digital Library

In this math lesson, learners explore variables and their uses. Learners pretend to be FBI agents and make a TOP SECRET tool that enables them to decode and find the values of hidden messages and words. Learners make their simple "decoding machines" out of paper and tape.

Lessonplans, Utah

2012-10-22

300

Leonardo's Machines  

NSDL National Science Digital Library

This Science NetLinks lesson will highlight some of Leonardo da Vinci's futuristic inventions, introducing the elements of machines. Through the use of student interactives, this lesson provides an interesting context in which students can begin to develop their ideas about the uniqueness of humans in the natural world.

Science Netlinks;

2003-03-05

301

Function Machine  

NSDL National Science Digital Library

This Java applet allows learners to explore simple linear functions. Students determine the algebraic form of a linear equation by entering inputs into the machine and by looking for patterns in the outputs. The function rules available are: integers from -10 to 10 are either added to, subtracted from, or multiplied by the input x to yield the output y.

2011-01-01

302

Techniac and Cost Assessment of the PCAST Machine  

E-print Network

Techniac and Cost Assessment of the PCAST Machine Final Report PCAST ITER Volume II Chapter 3 and Cost Assessment of the PCAST Machine - Final Report - Volume II Chapter 3.0 - Engineering Chapter 4 175 183 z 207 z #12;#12;Chapter 3 Engineering Design of the PCAST Machine Introduction (J. Schmidt, J

303

Integration of Machining and Inspection in Aerospace Manufacturing  

NASA Astrophysics Data System (ADS)

The main challenge for aerospace manufacturers today is to develop the ability to produce high-quality products on a consistent basis as quickly as possible and at the lowest-possible cost. At the same time, rising material prices are making the cost of scrap higher than ever so making it more important to minimise waste. Proper inspection and quality control methods are no longer a luxury; they are an essential part of every manufacturing operation that wants to grow and be successful. However, simply bolting on some quality control procedures to the existing manufacturing processes is not enough. Inspection must be fully-integrated with manufacturing for the investment to really produce significant improvements. The traditional relationship between manufacturing and inspection is that machining is completed first on the company's machine tools and the components are then transferred to dedicated inspection equipment to be approved or rejected. However, as machining techniques become more sophisticated, and as components become larger and more complex, there are a growing number of cases where closer integration is required to give the highest productivity and the biggest reductions in wastage. Instead of a simple linear progression from CAD to CAM to machining to inspection, a more complicated series of steps is needed, with extra data needed to fill any gaps in the information available at the various stages. These new processes can be grouped under the heading of "adaptive machining". The programming of most machining operations is based around knowing three things: the position of the workpiece on the machine, the starting shape of the material to be machined, and the final shape that needs to be achieved at the end of the operation. Adaptive machining techniques allow successful machining when at least one of those elements is unknown, by using in-process measurement to close the information gaps in the process chain. It also allows any errors to be spotted earlier in the manufacturing process, so helping the problems to be resolved more quickly and at lower cost.

Simpson, Bart; Dicken, Peter J.

2011-12-01

304

SectionILesson3SewingMachineCare Master Clothing Volunteer Program  

E-print Network

machine? 2) What types of oil can you use to oil your machine? 3) What are the steps to cleaning your Care Materials 1. Sewing machine and manual 2. Machine oil, small lint brush, and cloth for cleaning 3. Cleaning and Oiling a Sewing Machine III. Needles and Thread IV. Threading and Operating a Sewing Machine V

305

Developing new multipurpose machine tools for the manufacture of complex parts  

Microsoft Academic Search

OAO Sterlitamakskii stankostroitelínyi zavod (the Sterlitamak plant) is Russian leading machine-tool manufacturer. The plant has considerable experience in creating metalworking machine tools. Machine tools produced by the plant perform various procedures: from simple and familiar machining operations to complex combinations of methods. The manufacturing industry today demands more efficient machining of machine parts, taking account of quality, productivity, and cost.

V. N. Zharinov; V. L. Zinov; R. G. Kudoyarov; E. M. Durko

2008-01-01

306

Simple Machines  

NSDL National Science Digital Library

Can you identify the six types of simple machines? 1. What do you know about Inclined Planes? Draw an example on your graphic organizer and state one fact.Inclined Plane 2. What do you know about levers? Draw an example on your graphic organizer and state one fact.Lever. 3. What do you know about pulleys? Draw an example on your graphic organizer and ...

Stewart, Miss

2010-03-24

307

Induction machine  

DOEpatents

A polyphase rotary induction machine for use as a motor or generator utilizing a single rotor assembly having two series connected sets of rotor windings, a first stator winding disposed around the first rotor winding and means for controlling the current induced in one set of the rotor windings compared to the current induced in the other set of the rotor windings. The rotor windings may be wound rotor windings or squirrel cage windings.

Owen, Whitney H. (Ogden, UT)

1980-01-01

308

Development of Computer Aids for Tape-Control of Photocomposing Machines. Final Report, Section A. Mechanization of Mathematical Reviews Office Procedures.  

ERIC Educational Resources Information Center

This document is the first of three sections of a final report on a project which included five phases: (1) developing systems and procedures for the use of computer-processed tape, (2) design of a system for the partial mechanization of Mathematical Reviews office procedures together with experiments on derived publications, (3) typographic…

American Mathematical Society, Providence, RI.

309

Vital support systems for liquid metal collector homopolar machines  

Microsoft Academic Search

High current density homopolar machines which employ current collectors containing a liquid metal, such as NaK, require critical support systems to guarantee long term machine operation. This report describes experimental results concerning materials compatibility, liquid metal recirculation and purification systems, and the inert, protective cover gas systems necessary for machine operation. Experimental studies, as well as operation of a 3000

R. E. Witkowski; F. G. Arcella; A. R. Keeton

1976-01-01

310

A Generalized Deletion Machine  

E-print Network

In this work we prescribe a more generalized quantum-deleting machine (input state dependent). The fidelity of deletion is dependent on some machine parameters such that on alteration of machine parameters we get back to standard deleting machines. We also carried out a various comparative study of various kinds of quantum deleting machines. We also plotted graphs, making a comparative study of fidelity of deletion of the deletion machines, obtained as particular cases on changing the machine parameters of our machine.

Indranil Chakrabarty; Satyabrata Adhikari

2005-11-22

311

Machine Vision Online: Tips for Successfully Applying Machine Vision  

NSDL National Science Digital Library

This Web site provides many articles and educational resources related to machine vision. Most of the materials come from companies with significant experience with the topic, including Ford Motor Company, Adept Technology, and many others. Visitors to the site can read about the basics of machine vision and learn how to successfully implement and design a system. Inexperienced people should start with the Strategies for New Users section, which contains a glossary of terms and a couple brief introductions. The Technical Papers section has information on the various components of a machine vision system, and Applications by Industry has case studies of several different operations.

312

State-Machine Replication  

E-print Network

State-Machine Replication #12;The Problem Clients Server #12;The Problem Clients Server #12;The (state machine) #12;The Solution 1. Make server deterministic (state machine) State machine #12;The Solution 1. Make server deterministic (state machine) 2. Replicate server State machines #12;The Solution 1

Venkataramani, Arun

313

Operations  

ERIC Educational Resources Information Center

Previous research has documented schemes and operations that undergird students' understanding of fractions. This prior research was based, in large part, on small-group teaching experiments. However, written assessments are needed in order for teachers and researchers to assess students' ways of operating on a whole-class scale. In this…

Wilkins, Jesse L. M.; Norton, Anderson; Boyce, Steven J.

2013-01-01

314

The Final Count Down: A Review of Three Decades of Flight Controller Training Methods for Space Shuttle Mission Operations  

NASA Technical Reports Server (NTRS)

Operations of human spaceflight systems is extremely complex, therefore the training and certification of operations personnel is a critical piece of ensuring mission success. Mission Control Center (MCC-H), at the Lyndon B. Johnson Space Center, in Houston, Texas manages mission operations for the Space Shuttle Program, including the training and certification of the astronauts and flight control teams. As the space shuttle program ends in 2011, a review of how training for STS-1 was conducted compared to STS-134 will show multiple changes in training of shuttle flight controller over a thirty year period. This paper will additionally give an overview of a flight control team s makeup and responsibilities during a flight, and details on how those teams have been trained certified over the life span of the space shuttle. The training methods for developing flight controllers have evolved significantly over the last thirty years, while the core goals and competencies have remained the same. In addition, the facilities and tools used in the control center have evolved. These changes have been driven by many factors including lessons learned, technology, shuttle accidents, shifts in risk posture, and generational differences. A primary method used for training Space Shuttle flight control teams is by running mission simulations of the orbit, ascent, and entry phases, to truly "train like you fly." The reader will learn what it is like to perform a simulation as a shuttle flight controller. Finally, the paper will reflect on the lessons learned in training for the shuttle program, and how those could be applied to future human spaceflight endeavors.

Dittemore, Gary D.; Bertels, Christie

2011-01-01

315

High-intensity drying processes -- Impulse drying: Report 15 (final report). Production of linerboard on a pilot paper machine, subsequent commercial converting trials and preliminary economic assessment  

SciTech Connect

In September 1998, 33{number_sign} liner was produced on the {number_sign}4 pilot machine under both single-felted wet pressing and impulse drying conditions. In October 1998, the pilot produced liner and commercial liner were converted to combined board and corrugated boxes at a commercial box plant. In January 1999, linerboard, medium, and combined board and box testing were completed. The pilot trials demonstrated that 33{number_sign} liner could be impulse dried at a reel speed of 380 m/min. Press dryness was improved by as much as 4 points, while CD STFI and CD ring crush were improved by more than 10%. Improvements to the smoothness of heated side of sheet were also realized. Commercial box plant converting trials demonstrated that impulse dried linerboard can be used to increase ECT and box compression strength by as much as 10%. As anticipated, print quality was found to be superior. A preliminary economic analysis was performed in which an impulse dryer would increase press dryness by 4 points and would allow the basis weight to be reduced by 10%. The economic model showed that the 4 points in dryness would translate to a 17% tonnage increase. Applying the 10% basis weight reduction resulted in an increase in productivity, on an area basis, of 30%. The pulp cost savings was found to outweigh any additional electric power costs.

Orloff, D.I.

1999-04-01

316

Virtual machine time travel using continuous data protection and checkpointing  

Microsoft Academic Search

Virtual machine (VM) time travel enables reverting a vir- tual machine's state, both transient and persistent, to past points in time. This capability can be used to improve vir- tual machine availability, to enable forensics on past VM states, and to recover from operator errors. We present an approach to virtual machine time travel which combines Continuous Data Protection (CDP)

Paula Ta-shma; Guy Laden; Muli Ben-yehuda; Michael Factor

2008-01-01

317

International Conference on Machine Control & Guidance 2008 1 Guidance for Partial Face Excavation Machines  

E-print Network

1st International Conference on Machine Control & Guidance 2008 1 Guidance for Partial Face Excavation Machines Nod CLARKE-HACKSTON, Jochen BELZ VMT GmbH Allan HENNEKER Surex Pty Ltd Abstract information to the machine operator, VMT GmbH has developed a system to support precise excavation

318

NOTES: A versatile uniaxial tensile testing machine  

Microsoft Academic Search

A uniaxial tensile testing machine has been designed and built for operation under combined creep and fatigue conditions. The machine will operate at tensile loads up to 100 kg, and temperatures up to 1000°C at a vacuum of better than 10 ?torr. The equipment is particularly suitable for foil specimens and is currently being used to study the changes in

Y. Komem; D. G. Brandon; M. Rosenbaum

1969-01-01

319

Modeling Machining Distortion of Aircraft-Engine Disk Forgings  

NASA Astrophysics Data System (ADS)

Rotating components of aircraft engines are generally manufactured by forging followed by heat treatment. Due to the residual stresses induced during heat treatment, components often distort when material is removed during machining to the final shape. Using trial-and-error approaches, it can be very difficult to develop a sequence of machining operations which will ensure that the final component is produced within the very tight dimensional tolerances required for satisfactory performance in service. The objective of the current work, therefore, was to develop and validate a simulation procedure that can predict distortion during the material removal process. To validate the model, four prototype disks were forged and then heat treated under different conditions. Multiple machining cuts were carried out on the top side of each disk. The distortion at the bottom surface was then measured. The Finite-Element Method (FEM) embodied in the commercial software, DEFORM™-HT, was used to model the four heat-treatment processes. Excellent agreement between the measured distortions and the finite-element predictions was found. The FEM heat-treatment model was shown to be a very useful tool to understand and predict distortion and can thus be used for the design and optimization of heat-treatment and machining processes.

Yin, Yanling; Wu, Wei-Tsu; Srivatsa, Shesh; Semiatin, S. Lee; Gayda, John

2004-06-01

320

Machine Design  

NSDL National Science Digital Library

This website, the homepage of Machine Design.com, contains resources on a variety of information for engineers and technicians related to devices, components, design applications, products, and systems in the manufacturing technology sector. The site also features a CAD library, eBooks, audiovisual aids, webinars, whitepapers and a reference center. Some of the resources require a free login. The page offers an RSS feed to keep users up to date on new resources. A free login may be required to access some of these items.

2009-11-09

321

Residential and commercial space heating and cooling with possible greenhouse operation; Baca Grande development, San Luis Valley, Colorado. Final report  

SciTech Connect

A feasibility study was performed to evaluate the potential of multipurpose applications of moderate-temperature geothermal waters in the vicinity of the Baca Grande community development in the San Luis Valley, Colorado. The project resource assessment, based on a thorough review of existing data, indicates that a substantial resource likely exists in the Baca Grande region capable of supporting residential and light industrial activity. Engineering designs were developed for geothermal district heating systems for space heating and domestic hot water heating for residences, including a mobile home park, an existing motel, a greenhouse complex, and other small commercial uses such as aquaculture. In addition, a thorough institutional analysis of the study area was performed to highlight factors which might pose barriers to the ultimate commercial development of the resource. Finally, an environmental evaluation of the possible impacts of the proposed action was also performed. The feasibility evaluation indicates the economics of the residential areas are dependent on the continued rate of housing construction. If essentially complete development could occur over a 30-year period, the economics are favorable as compared to existing alternatives. For the commercial area, the economics are good as compared to existing conventional energy sources. This is especially true as related to proposed greenhouse operations. The institutional and environmental analyses indicates that no significant barriers to development are apparent.

Goering, S.W.; Garing, K.L.; Coury, G.E.; Fritzler, E.A.

1980-05-01

322

Theory of Cellular Logic Networks and Machines.  

National Technical Information Service (NTIS)

The report represents final results of a first project concerned with the theory of cellular logic networks and machines. The ultimate objective of this program is the development of effective mathematical techniques for the analysis and synthesis of cell...

B. Elspas, J. B. Turner

1968-01-01

323

Mind & Machine  

NSDL National Science Digital Library

Mind & Machine is a weekly column provided by Ashley Dunn for the New York Times Cybertimes that discusses topics related to computing, technology, and the Internet. Recent columns have addressed the topics of the development of Internet telephony, possible futures of user interfaces, the history of technology and standards, and the Internet as a vehicle for community. Articles are well written, opinionated, and thought provoking. Mr. Dunn is a free lance writer who has written for such papers as the New York Times, the Los Angeles Times, the Seattle Post-Intelligencer, and the South China Morning Post. Note that the site is available only upon registration and is free of charge only in the US.

Dunn, Ashley.

1996-01-01

324

The Airline Operation Control Centre : an overview of Garuda's Operation Control (EM) at Cengkereng Jakarta, Indonesia : final report to PT Garuda Indonesia  

E-print Network

Introduction: Airline operations are generally handled in two phases, strategic and tactical. Strategic operations are concerned with schedule planning. Given the desired schedule of services to be offered to passengers ...

Clarke, Michael D. D.

1995-01-01

325

Course info Machine Learning  

E-print Network

Course info Machine Learning Real life problems Lecture 1: Machine Learning Problem Qinfeng (Javen) Shi 28 July 2014 Intro. to Stats. Machine Learning COMP SCI 4401/7401 Qinfeng (Javen) Shi Lecture 1: Machine Learning Problem #12;Course info Machine Learning Real life problems Table of Contents I 1 Course

Shi, Qinfeng "Javen"

326

Study of short-haul aircraft operating economics. Phase 2: an analysis of the impact of jet modernization on local service airline operating costs. Final report  

Microsoft Academic Search

The objectives of this phase of the study were (1) to assess the 10 year operating cost trends of the local service airlines operating in the 1965 through 1974 period, (2) to glean from these trends the technological and operational parameters which were impacted most significantly by the transition to newer pure jet, short haul transports, and effected by changing

Andrastek

1976-01-01

327

High speed synchronous homopolar and permanent magnet machines comparative study  

Microsoft Academic Search

Two types of high-speed (30000-r\\/min) synchronous machines, a homopolar and a permanent magnet, have been designed and constructed. The authors discuss possible applications of such machines and problems associated with high-speed operation. Details of machine geometry and design procedures are described. In comparing the two types of synchronous machines, it is shown that the power\\/mass ratio of a homopolar machine

M. Hippner; R. G. Harley

1992-01-01

328

Diamond turning machine controller implementation  

SciTech Connect

The standard controller for a Pnuemo ASG 2500 Diamond Turning Machine, an Allen Bradley 8200, has been replaced with a custom high-performance design. This controller consists of four major components. Axis position feedback information is provided by a Zygo Axiom 2/20 laser interferometer with 0.1 micro-inch resolution. Hardware interface logic couples the computers digital and analog I/O channels to the diamond turning machine`s analog motor controllers, the laser interferometer, and other machine status and control information. It also provides front panel switches for operator override of the computer controller and implement the emergency stop sequence. The remaining two components, the control computer hardware and software, are discussed in detail below.

Garrard, K.P.; Taylor, L.W.; Knight, B.F.; Fornaro, R.J.

1988-12-01

329

Socially guided machine learning  

E-print Network

Social interaction will be key to enabling robots and machines in general to learn new tasks from ordinary people (not experts in robotics or machine learning). Everyday people who need to teach their machines new things ...

Thomaz, Andrea Lockerd

2006-01-01

330

Machine translation of conversation on the digitized battlefield  

Microsoft Academic Search

The technology of the information age and the digitized battlefield apply not only to machine-to-machine communications but support an unprecedented advancement in communication across human language barriers. Modern military operations, including \\

J. Moody; E. Steinbrecher; R. Frederking; A. Black; R. Brown

2001-01-01

331

Technical and Cost Assessment of the PCAST Machine  

E-print Network

Technical and Cost Assessment of the PCAST Machine Final Report PCAST ITER Volume II Chapter 4 an ignition-moderate-burn device smaller and less costly than ITER, the costing for this machine is presented ITER merely used fixed numbers or the data was considered more representative of the PCAST machine

332

Surface finish of precision machined advanced materials  

Microsoft Academic Search

This paper studies the surface finish and integrity of glass, silicon, some advanced ceramics and aluminum-based metal matrix composites (MMCs) reinforced with ceramic particles, precision machined by various machining processes. The studies revealed that grinding\\/lapping operations using inexpensive machine tools can produce ductile streaks on glass and silicon surfaces under good grinding\\/lapping conditions. This resulted in significantly shortened polishing time

Zhaowei Zhong

2002-01-01

333

Study of the effect of machining parameters on the machining characteristics in electrical discharge machining of tungsten carbide  

Microsoft Academic Search

Electrical discharge machining (EDM) is a process for shaping hard metals and forming deep and complex-shaped holes by arc erosion in all kinds of electro-conductive materials. The objective of this research is to study the influence of operating parameters of EDM of tungsten carbide on the machining characteristics. The effectiveness of the EDM process with tungsten carbide is evaluated in

S. H. Lee; X. P. Li

2001-01-01

334

U.S. DOE\\/RL OPERATIONS OFFICE FINAL REPORT FOR THE OPERATIONAL READINESS REVIEW FOR STARTUP OF THE K BASIN SLUDGE WATER SYSTEM  

Microsoft Academic Search

An Operational Readiness Review (ORR) was conducted by the U.S. Department of Energy (DOE), Richland Operations Office (RL) to verify that an adequate state of readiness has been achieved for startup of the K East Basin Sludge Water System (SWS) as applied to the North Loadout Pit (NLOP). The DOE ORR was conducted during the period of May 19-26, 2004.

2004-01-01

335

U.S. DOE/RL OPERATIONS OFFICE FINAL REPORT FOR THE OPERATIONAL READINESS REVIEW FOR STARTUP OF THE K BASIN SLUDGE WATER SYSTEM  

SciTech Connect

An Operational Readiness Review (ORR) was conducted by the U.S. Department of Energy (DOE), Richland Operations Office (RL) to verify that an adequate state of readiness has been achieved for startup of the K East Basin Sludge Water System (SWS) as applied to the North Loadout Pit (NLOP). The DOE ORR was conducted during the period of May 19-26, 2004. The DOE ORR Team has concluded that the K Basins SWS is ready to start operations, subject to completion and verification of identified pre-start findings. The ORR was conducted in accordance with the Spent Nuclear Fuel (SNF) K Basin Sludge Water System (SWS) Operational Readiness Review (ORR) Plan of Action, December 19, 2003, and the Implementation Plan for the Operational Readiness Review for Startup of the K Basins Sludge Wafer System North Loadout Pit, DOE/RL-2003-21, Rev. 1. Review activities consisted of staff interviews, procedure and document reviews, observations of normal facility operations and operational drills and actual upset conditions that occurred during the ORR. The DOE ORR Team also reviewed and assessed the adequacy of the contractor ORR and the RL Line Management Review. The ORR Team generally concurs with the findings and observations of these previous assessments. Detailed comments regarding these reviews are documented herein.

IRWIN, R.M.

2004-06-15

336

Remote condition monitoring for railway point machine  

Microsoft Academic Search

This paper presents the research work carried out at Oxford University on condition monitoring of railway point machines. The developed condition monitoring system includes a variety of sensors for acquiring trackside data related to different parameters. Key events to be logged include time stamping of points operation, opening and closing of case cover associated with a points machine, insertion and

F. B. Zhou; M. D. Duta; M. P. Henry; S. Baker; C. Burton

2002-01-01

337

Development status of superconducting rotating machines  

Microsoft Academic Search

Advances in high temperature superconductors (HTS) are enabling a new class of synchronous rotating machines (supermotors and supergenerators) that can generically be categorized as supermachines. Compared to conventional machines of equivalent rating, these supermachines are expected to be less expensive, lighter, more compact, efficient, and provide significantly superior stable operation in a power system. The field windings are made with

S. S. Kalsi

2002-01-01

338

The Serger (Overlock) Machine. Module 10.  

ERIC Educational Resources Information Center

This module on the purpose and use of the serger machine, one in a series on clothing construction for industrial sewing machine operators designed for student self-study, contains nine sections. Each section includes the following parts: an introduction, directions, an objective, learning activities, student information, student self-check,…

South Carolina State Dept. of Education, Columbia. Office of Vocational Education.

339

Analysis of Instability in Electrical Machines  

Microsoft Academic Search

While there exist numerous studies of electromechanical instabilities of specific electrical machines in constant or periodic speed operation, a broader perspective is not commonly offered. In contrast, a general machine model is used here to present essential and common features of these stability analyses. Fundamental issues are illuminated at this level of generality before specialization to the details of a

George C. Verghese; Jeffrey H. Lang; Leo F. Casey

1986-01-01

340

Application of machine vision to electronic toll and traffic management  

NASA Astrophysics Data System (ADS)

The use of machine vision in electronic toll and traffic management applications has significantly increased since its commercial introduction in the 1980's. This paper will review the types of applications currently using machine vision systems. The paper will then look at the types of machine vision systems and their evolution. Finally the paper will examine some current applications of machine vision to electronic toll automatic vehicle classification and violation enforcement.

D Agostino, Salvatore A.

1995-12-01

341

Operational Readiness Review Final Report for Implementation of an Increased Facility Radioactive Source Inventory Limit & Shippingport Fuel 07\\/2002  

Microsoft Academic Search

An Operational Readiness Review (ORR) was conducted by the US Department of Energy (DOE), Richland Operations Office (RL) to verify that an adequate state of readiness had been achieved for those activities associated with the removal of Shippingport fuel from the 271-T Facility (T Plant) as a Hazard Category 2 nuclear facility and the readiness of T Plant to operate

2002-01-01

342

International Conference on Machine Control & Guidance 2008 1 Universal Developer Platform for Machine Control  

E-print Network

is intended to be the basis for solutions mainly in construction. Since many of the tasks in machine control in rules and finally control actuators. Additionally communication between single units is one of the main (design) · display hints (for guidance) or control actuators (e.g. engines or valves) 2 MACHINE AUTOMATION

343

Building and simulating protein machines  

NASA Astrophysics Data System (ADS)

Glycolysis is a central metabolic pathway, present in almost all organisms, that produces energy. The pathway has been extensively investigated by biochemists. There is a significant body of structural and biochemical information about this pathway. The complete pathway is a ten step process. At each step, a specific chemical reaction is catalyzed by a specific enzyme. Fructose bisphosphate aldolase (FBA) and triosephosphate isomerase (TIM) catalyze the fourth and the fifth steps on the pathway. This thesis investigates the possible substrate transfer mechanism between FBA and TIM. FBA cleaves its substrate, the six-carbon fructose-1,6-bisphosphate (FBP), into two three-carbon products -- glyceraldehydes 3-phosphate (GAP) and dihydroxy acetone phosphate (DHAP). One component of these two products, DHAP, is the substrate for TIM and the other component GAP goes directly to GAPDH, the subsequent enzyme on the pathway. TIM converts DHAP to GAP and delivers the product to GAPDH. I employ Elastic Network Models (ENM) to investigate the mechanistic and dynamic aspects of the functionality of FBA and TIM enzymes -- (1) the effects of the oligomerization of these two enzymes on their functional dynamics and the coordination of the individual protein's structural components along the functional region; and (2) the mechanistic synchrony of these two protein machines that may enable them to operate in a coordinated fashion as a conjugate machine -- transferring the product from FBA as substrate to TIM. A macromolecular machine comprised of FBA and TIM will facilitate the substrate catalysis mechanism and the product flow between FBA and TIM. Such a machine could be used as a functional unit in building a larger a machine for the structural modeling of the whole glycolysis pathway. Building such machines for the glycolysis pathway may reveal the interplay of the enzymes as a complete machine. Also the methods and insights developed from the efforts to build such large machines could be applied to build macromolecular structures for other biologically important clusters of interacting enzymes centered around individual metabolic pathways.

Katebi, Ataur Rahim

344

Basic Mathematics Machine Calculator Course.  

ERIC Educational Resources Information Center

This series of four text-workbooks was designed for tenth grade mathematics students who have exhibited lack of problem-solving skills. Electric desk calculators are to be used with the text. In the first five chapters of the series, students learn how to use the machine while reviewing basic operations with whole numbers, decimals, fractions, and…

Windsor Public Schools, CT.

345

Optical-Fiber-Welding Machine  

NASA Technical Reports Server (NTRS)

Technique yields joints with average transmissivity of 91.6 percent. Electric arc passed over butted fiber ends to melt them together. Maximum optical transmissivity of joint achieved with optimum choice of discharge current, translation speed, and axial compression of fibers. Practical welding machine enables delicate and tedious joining operation performed routinely.

Goss, W. C.; Mann, W. A.; Goldstein, R.

1985-01-01

346

An industrial sewing machine variable speed controller  

NASA Technical Reports Server (NTRS)

The apparel industry is attempting to move in a new direction in the coming decade. Since the invention of an electrically powered sewing machine, the operator has been seated. Today, companies are switching from a sit down operation to a stand up operation involving modular stations. The old treadle worked well with the sitting operator, but problems have been found when trying to use the same treadle with a standing operator. This report details a new design for a treadle to operate an industrial sewing machine that has a standing operator. Emphasis is placed on the ease of use by the operator, as well as the ergonomics involved. Procedures for testing the design are included along with possible uses for the treadle in other applications besides an industrial sewing machine.

Estes, Christa; Spiggle, Charles; Swift, Shannon; Vangeffen, Stephen; Youngner, Frank

1992-01-01

347

Precursor systems analyses of automated highway systems. Activity area K AHS roadway operational analysis. Final report, September 1993-November 1994  

SciTech Connect

This study considers the roadway operational requirements of an automated highway system (AHS) in light of corresponding operational requirements for existing conventional highways with traffic operations centers (TOCs). Contrasts and similarities between TOC and AHS operations are identified. Maintenance operations and activities are the focus of the study. Similarities and contrasts between AHS and conventional highways are considered, analyzed, and discussed to raise issues risks. Urban/rural, passenger/heavy vehicle, and representative system configuration differences are covered insofar as there are significant differences among these categories of possible AHS operations. Maintenance needs and incident response requirements as they would impact as AHS operating agency are qualitatively analyzed. Two possible staged deployment scenarios for AHS are presented. The fault tolerance of the AHS is assessed. Results of interviews with personnel in charge of several existing TOCs have been summarized. The role of the driver in an AHS is discussed.

Schulze, R.; Roper, D.; Tsao, J.; Michael, B.

1995-05-01

348

Machines registres Yves Lafont  

E-print Network

Machines à registres Yves Lafont Université d'Aix-Marseille Institut de Mathématiques de Luminy) Pascal Turing Von Neumann #12;Quelle opération calcule cette machine ? Exemple 1 2 registres : (+ 1 Quelle opération calcule cette machine ? #12;Quelle propriété teste cette machine ? Exemple 3 1 seul

Lafont, Yves

349

Zeeman Catastrophe Machine Model  

NSDL National Science Digital Library

The Zeeman Catastrophe Machine Model shows the rotational motion of wheel that is free to rotate but is connected to two elastics, one which is free to move in the xy-plane, and one that is set a fixed distance d away. The model initiates in a steady state where there is no rotational velocity and the magnitude of the tensions in the two elastics are equal. The user can drag the blue point to change the torque on the wheel, or they can enter values in the input fields on the top panel. The user can also change the angle theta, the coefficient of dampening, the spring constant, the moment of inertia. The Zeeman Catastrophe Machine Model was developed as a final project in a sophomore-level Computational Physics course (Phy 200) using the Easy Java Simulations (EJS) modeling tool. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the jar file will run the program if Java is installed. You can modify this simulation if you have EJS installed by right-clicking within the map and selecting "Open Ejs Model" from the pop-up menu item.

Glasmann, Andreu

2012-06-26

350

TOKOPS: Tokamak Reactor Operations Study: The influence of reactor operations on the design and performance of tokamaks with solid-breeder blankets: Final report  

SciTech Connect

Reactor system operation and procedures have a profound impact on the conception and design of power plants. These issues are studied here using a model tokamak system employing a solid-breeder blanket. The model blanket is one which has evolved from the STARFIRE and BCSS studies. The reactor parameters are similar to those characterizing near-term fusion engineering reactors such as INTOR or NET (Next European Tokamak). Plasma startup, burn analysis, and methods for operation at various levels of output power are studied. A critical, and complicating, element is found to be the self-consistent electromagnetic response of the system, including the presence of the blanket and the resulting forces and loadings. Fractional power operation, and the strategy for burn control, is found to vary depending on the scaling law for energy confinement, and an extensive study is reported. Full-power reactor operation is at a neutron wall loading pf 5 MW/m/sup 2/ and a surface heat flux of 1 MW/m/sup 2/. The blanket is a pressurized steel module with bare beryllium rods and low-activation HT-9-(9-C-) clad LiAlO/sub 2/ rods. The helium coolant pressure is 5 MPa, entering the module at 297/sup 0/C and exiting at 550/sup 0/C. The system power output is rated at 1000 MW(e). In this report, we present our findings on various operational scenarios and their impact on system design. We first start with the salient aspects of operational physics. Time-dependent analyses of the blanket and balance of plant are then presented. Separate abstracts are included for each chapter.

Conn, R.W.; Ghoniem, N.M.; Firestone, M.A. (eds.)

1986-09-01

351

Stream-of-Variation (SoV)Based Measurement Scheme Analysis in Multistation Machining Systems  

Microsoft Academic Search

Today, machining systems are complex multistation manufacturing systems that involve a large number of machining operations and several locating datum changes. Dimensional errors introduced at each machining operation get transformed and cause the occurrence of new errors as the workpiece propagates through the machining system. The appropriate choice of measurements in such a complex system is crucial for the subsequent

Dragan Djurdjanovic; Jun Ni

2006-01-01

352

SOVIETS BUILD MACHINES TO PRODUCE KRILL PASTE'  

E-print Network

protein paste from Black Sea shrimp. Each machine, operated by 2 people, has a processing capacity of 1 ashore by canneries, processing plants, an d ship-repair yards in the Black Sea cities of Izmail, K her

353

Three prototype designs for an exterior-mounted, interior-operated, movable insulation system. Phase I. Final report  

Microsoft Academic Search

Design, construction, and preliminary testing of three exterior-mounted, interior-operated, movable window insulation systems are described. Two of the systems are hinged insulated shutter systems and the third is a sliding shutter system. The advantages of such systems are discussed. Development, schematics, and operation of the prototype systems are described in Section 2. Section 3 provides an analysis of the thermal

G. Dike; D. Florey; A. Levy; S. Sacks; L. Kinney

1981-01-01

354

Stony Brook Seismic Network on Long Island, New York: operation and maintenance. Final report, September 1979March 1985  

Microsoft Academic Search

The seismology group in the Department of Earth and Space Sciences at the State University of New York at Stony Brook currently operates two short period seismic stations on Long Island, New York. These stations are part of the larger Northeastern United States Seismic Network (NEUSSN) operated by several university groups in New York, New Jersey, Pennsylvania and New England.

R. C. Liebermann; C. H. Thurber

1986-01-01

355

Can Machines BeCan Machines Be Polite?Polite?  

E-print Network

Can Machines BeCan Machines Be Polite?Polite? Michael A. CovingtonMichael A. Covington Artificial Intelligence CenterArtificial Intelligence Center #12;Can machines be polite?Can machines be polite? Machines have beenMachines have been annoying peopleannoying people ever since humanever since human--machine

Covington, Michael A.

356

Cutting sound enhancement system for mining machines  

SciTech Connect

The invention relates to the field of acoustical monitoring in a mining environment in general, and in particular to a system for focusing an acoustical transducer on the cutting head of a mining machine and coupling the output of the transducer to headphones worn by the remotely positioned operator of the machine to assist the operator in audibly detecting the location of the parameters of a coal seam.

Leigh, M.C.; Kwitowski, A.J.

1991-01-24

357

Minimal universal quantum heat machine  

E-print Network

In traditional thermodynamics the Carnot cycle yields the ideal performance bound of heat engines and refrigerators. We propose and analyze a minimal model of a heat machine that can play a similar role in quantum regimes. The minimal model consists of a single two-level system with periodically modulated energy splitting that is permanently, weakly, coupled to two spectrally-separated heat baths at different temperatures. The equation of motion allows to compute the stationary power and heat currents in the machine consistently with the second-law of thermodynamics. This dual-purpose machine can act as either an engine or a refrigerator (heat pump) depending on the modulation rate. In both modes of operation the maximal Carnot efficiency is reached at zero power. We study the conditions for finite-time optimal performance for several variants of the model. Possible realizations of the model are discussed.

David Gelbwaser-Klimovsky; Robert Alicki; Gershon Kurizki

2012-09-06

358

Alpha Channeling in Mirror Machines  

SciTech Connect

Because of their engineering simplicity, high-?, and steady-state operation, mirror machines and related open-trap machines such as gas dynamic traps, are an attractive concept for achieving controlled nuclear fusion. In these open-trap machines, the confinement occurs by means of magnetic mirroring, without the magnetic field lines closing upon themselves within the region of particle confinement. Unfortunately, these concepts have not achieved to date very spectacular laboratory results, and their reactor prospects are dimmed by the prospect of a low Q-factor, the ratio of fusion power produced to auxiliary power. Nonetheless, because of its engineering promise, over the years numerous improvements have been proposed to enhance the reactor prospects of mirror fusion, such as tandem designs, end-plugging, and electric potential barriers.

Fisch N.J.

2005-10-19

359

Hybrid Quantum Cloning Machine  

E-print Network

In this work, we introduce a special kind of quantum cloning machine called Hybrid quantum cloning machine. The introduced Hybrid quantum cloning machine or transformation is nothing but a combination of pre-existing quantum cloning transformations. In this sense it creates its own identity in the field of quantum cloners. Hybrid quantum cloning machine can be of two types: (i) State dependent and (ii) State independent or Universal. We study here the above two types of Hybrid quantum cloning machines. Later we will show that the state dependent hybrid quantum-cloning machine can be applied on only four input states. We will also find in this paper another asymmetric universal quantum cloning machine constructed from the combination of optimal universal B-H quantum cloning machine and universal anti-cloning machine. The fidelities of the two outputs are different and their values lie in the neighborhood of ${5/6} $

Satyabrata Adhikari; A. K. Pati; Indranil Chakrabarty; B. S. Choudhury

2007-05-04

360

Solving the ANTS Problem with Asynchronous Finite State Machines  

E-print Network

Solving the ANTS Problem with Asynchronous Finite State Machines Yuval Emek1 , Tobias Langner2 such that each agent is controlled by an asynchronous (randomized) finite state machine: they possess a constant actions are controlled by a randomized finite state machine (FSM) operating in an asynchronous en

361

Machines and the Body between Anatomy and Pathology  

E-print Network

Machines and the Body between Anatomy and Pathology Domenico Bertoloni Meli* 1. Introduction of anatomists sought to explain the operations of the body in terms of machines of varying nature and complexity. These machines responded to shifting criteria of intelligibility at the time: whereas Aristotelian or Galenic

Bertoloni Meli, Domenico

362

Relative velocity and loose abrasive wear in conventional grinding machines  

Microsoft Academic Search

A model to compute relative velocity for arbitrary tool-work point pairs in conventional grinding machines is presented. This model is based on experimental data collected by means of an electronic system to measure kinematics variables in real time. Exact machine kinematics equations and an approximate equation representing upper disk rotational speed as a function of machine operation regime are introduced.

Luis C. Álvarez-Nuñez; Ricardo B. Flores-Hernández

2009-01-01

363

A clocked finite state machine built from DNA.  

PubMed

We implement a finite state machine by representing state, transition rules and input symbols with DNA components. Transitions between states are triggered by a clock signal which allows synchronized, parallel operation of two (or more) state machines. The state machine can be re-programmed by changing the input symbols. PMID:23151530

Costa Santini, Cristina; Bath, Jonathan; Tyrrell, Andy M; Turberfield, Andrew J

2013-01-11

364

Looking west at Machine Shop (Bldg. 163) south bay interior. ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Looking west at Machine Shop (Bldg. 163) south bay interior. Note the Shaw 15-ton bridge crane. This portion of the building housed machine tools and locomotive component repair functions that supported the erecting shop operations - Atchison, Topeka, Santa Fe Railroad, Albuquerque Shops, Machine Shop, 908 Second Street, Southwest, Albuquerque, Bernalillo County, NM

365

40 CFR 63.462 - Batch cold cleaning machine standards.  

Code of Federal Regulations, 2013 CFR

...2013-07-01 false Batch cold cleaning machine standards. 63.462 Section 63...Cleaning § 63.462 Batch cold cleaning machine standards. (a) Each owner or operator...an immersion batch cold solvent cleaning machine shall comply with the requirements...

2013-07-01

366

49 CFR 214.341 - Roadway maintenance machines.  

Code of Federal Regulations, 2011 CFR

...2011-10-01 false Roadway maintenance machines. 214.341 Section 214.341 Transportation...Protection § 214.341 Roadway maintenance machines. (a) Each employer shall include...operate or work near roadway maintenance machines. Those provisions shall address:...

2011-10-01

367

49 CFR 214.341 - Roadway maintenance machines.  

Code of Federal Regulations, 2013 CFR

...2013-10-01 false Roadway maintenance machines. 214.341 Section 214.341 Transportation...Protection § 214.341 Roadway maintenance machines. (a) Each employer shall include...operate or work near roadway maintenance machines. Those provisions shall address:...

2013-10-01

368

49 CFR 214.341 - Roadway maintenance machines.  

Code of Federal Regulations, 2012 CFR

...2012-10-01 false Roadway maintenance machines. 214.341 Section 214.341 Transportation...Protection § 214.341 Roadway maintenance machines. (a) Each employer shall include...operate or work near roadway maintenance machines. Those provisions shall address:...

2012-10-01

369

40 CFR 63.462 - Batch cold cleaning machine standards.  

Code of Federal Regulations, 2012 CFR

...2012-07-01 false Batch cold cleaning machine standards. 63.462 Section 63...Cleaning § 63.462 Batch cold cleaning machine standards. (a) Each owner or operator...an immersion batch cold solvent cleaning machine shall comply with the requirements...

2012-07-01

370

40 CFR 63.462 - Batch cold cleaning machine standards.  

Code of Federal Regulations, 2011 CFR

...2011-07-01 false Batch cold cleaning machine standards. 63.462 Section 63...Cleaning § 63.462 Batch cold cleaning machine standards. (a) Each owner or operator...an immersion batch cold solvent cleaning machine shall comply with the requirements...

2011-07-01

371

4. VIEW OF VERTICAL BORING MACHINE. (Bullard) Vertical turning lathe ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

4. VIEW OF VERTICAL BORING MACHINE. (Bullard) Vertical turning lathe (VTL). Machining the fixture for GE Turboshroud. G.S. O'Brien, operator. - Juniata Shops, Machine Shop No. 1, East of Fourth Avenue at Third Street, Altoona, Blair County, PA

372

A comparative study on tripod units for machine tools  

Microsoft Academic Search

Since most machining operations require a maximum of five axes, the tripod design is becoming popular for development of parallel kinematic machines. Combination of a tripod with a gantry system forms a five-axis machine with both large workspace and dexterity. In this paper, a comparative study is carried out on various tripod units proposed in the literature including Tricept, Z3

F. Xi; D. Zhang; Z. Xu; C. M. Mechefske

2003-01-01

373

JBK-75 stainless steel machinability study  

SciTech Connect

The study on forgings characterized machinability of the material by varying cutting speeds and feedrates utilizing four tools for the roughing operation and four tools for the semi-finish operation. Tools tested were obtained from four manufacturers. Twelve parts were machined utilizing an experimental design to determine all possible interactions between cutting speeds and feedrates. To evaluate the machinability of the material, quantitative measures in tool life, tool wear, surface finish, chip control, and material removal rates were analyzed. Benefits gained from this study are: higher material removal rates, longer tool life, minimal tool wear, improved chip control and reliability, increased productivity, and cost minimization.

McManigle, A.P.; Simonis, A.W.

1993-09-02

374

Power cylinders in the hydraulic drives of machine tools  

Microsoft Academic Search

Numerous executive operations are performed in high-speed hydraulic machine tools and automatic lines, using bulk hydraulic drives [1]. These operations are accomplished by hydromechanical positioning devices that best meet the requirements regarding the executive operations in machine tools: high power combined with small size and mass; kinematic rigidity; excellent dynamic performance; and the possibility of constructing complex systems by simple

V. V. Burenin

2009-01-01

375

Vehicle operating costs, fuel consumption, and pavement type and condition factors. Final report Sep 79-Oct 81  

SciTech Connect

This report presents updated vehicle operating cost tables which may be used by a highway agency for estimation of vehicle operating costs as a function of operational and roadway variables. These results, partially based on fuel consumption tests on a group of late model vehicles and on a survey of truck fleet owners, are representative of the advancement in vehicle propulsion technology and increase in unit prices since the last comprehensive study of vehicle operating cost was conducted in the United States. To make the procedure flexible to changes in unit prices, consumption rates of the major vehicle cost components are presented in tables of constant speed on vertical grades, constant speed on horizontal curves, speed change cycles, and idling for each vehicle classification.

Zaniewski, J.P.; Butler, B.C.; Cunningham, G.; Elkins, G.E.; Paggi, M.S.

1982-03-01

376

76 FR 70169 - Draft Supplement 2 to Final Environmental Statement Related to the Operation of Watts Bar Nuclear...  

Federal Register 2010, 2011, 2012, 2013

...Operation of Watts Bar Nuclear Plant, Unit 2; Tennessee Valley Authority AGENCY: Nuclear Regulatory Commission (NRC...Docket ID NRC-2008-0369. II. Background The Tennessee Valley Authority (TVA or the applicant) submitted its...

2011-11-10

377

EERF (Eastern Environmental Radiation Facility) standard operating procedures for radon-222 measurement using charcoal canisters. Final report  

SciTech Connect

This report describes in detail EPA's office of Radiation Programs Eastern Environmental Radiation Facility's standard operating procedures for radon-222 measurement using charcoal canisters. It lists the materials and equipment that are used and explains their laboratory and survey methods.

Gray, D.J.; Windham, S.T.

1987-06-01

378

Extreme Kicking Machine  

NSDL National Science Digital Library

In this design challenge activity follow up to "Kicking Machine", learners add a hands-free feature to their Kicking Machine. Learners modify their kicking machine to have it either release the pendulum or rubber band while standing three feet away or have it automatically feed balls into the kicking machine, one after another. They must figure out how to integrate the new feature into the existing structure and use the design process to make sure the modified kicking machine works properly. Educators can use this activity to demonstrate simple machines and kinetic/potential energy.

Wgbh

2010-01-01

379

Analysis of Machining Characteristics in Additive Mixed Electric Discharge Machining of Nickel Based Super Alloy Inconel 718  

Microsoft Academic Search

Additive mixed electric discharge machining (AEDM) is a novel innovation for enhancing the capabilities of electrical discharge machining process. The objective of present research work is to study the influence of operating process input parameters on machining characteristics of nickel based super alloy (Inconel 718) in aluminium additive mixed EDM of with copper electrode. The effectiveness of AEDM process on

Anil Kumar; Sachin Maheshwari; Chitra Sharma; Naveen Beri

2011-01-01

380

Analysis of Machining Characteristics in Additive Mixed Electric Discharge Machining of Nickel-Based Super Alloy Inconel 718  

Microsoft Academic Search

Additive mixed electric discharge machining (AEDM) is a recent innovation for enhancing the capabilities of electrical discharge machining process. The objective of present research work is to study the influence of operating process input parameters on machining characteristics of nickel-based super alloy (Inconel 718) in aluminium AEDM with copper electrode. The effectiveness of AEDM process on Inconel is evaluated in

Anil Kumar; Sachin Maheshwari; Chitra Sharma; Naveen Beri

2011-01-01

381

Efficient assembly of threaded molecular machines for sequence-specific synthesis.  

PubMed

We report on an improved strategy for the preparation of artificial molecular machines that can pick up and assemble reactive groups in sequence by traveling along a track. In the new approach a preformed rotaxane synthon is attached to the end of an otherwise fully formed strand of building blocks. This "rotaxane-capping" protocol is significantly more efficient than the "final-step-threading" method employed previously and enables the synthesis of threaded molecular machines that operate on extended oligomer, and potentially polymer, tracks. The methodology is exemplified through the preparation of a machine that adds four amino acid building blocks from a strand in sequence, featuring up to 20-membered ring native chemical ligation transition states. PMID:24678971

De Bo, Guillaume; Kuschel, Sonja; Leigh, David A; Lewandowski, Bartosz; Papmeyer, Marcus; Ward, John W

2014-04-16

382

Installation and evaluation of a nuclear power plant Operator Advisor based on artificial intelligence technology. Final report  

SciTech Connect

The Artificial Intelligence Group in the Nuclear Engineering Program has designed and built an Operator Advisor (OA), an AI system to monitor nuclear power plant parameters, detect component and system malfunctions, dispose their causes, and provide the plant operators with the correct procedures for mitigating the consequences of the malfunctions. It then monitors performance of the procedures, and provides backup steps when specific operator actions fail. The OA has been implemented on Sun 4 workstations in Common Lisp, and has been interfaced to run in real time on the Perry Nuclear Power Plant full-function simulator in the plant training department. The eventual goal for a fully functioning Operator Advisor would be to have reactor operators receive direction for all plant operations. Such a goal requires considerable testing of the system within limited malfunction boundaries, an extensive Verification & Validation (V&V) effort, a large knowledge base development effort, and development of tools as part of the system to automate its maintenance. Clearly, these efforts are beyond the scope of the feasibility effort expended during this project period. However, as a result of this project, we have an AI based platform upon which a complete system can be built.

Hajek, B.K.; Miller, D.W.

1993-02-01

383

Smart Test Machines  

NASA Technical Reports Server (NTRS)

Vern Wedeven, president of Wedeven Associates, developed the WAM4, a computer-aided "smart" test machine for simulating stress on equipment, based on his bearing lubrication expertise gained while working for Lewis Research Center. During his NASA years from the 1970s into the early 1980s, Wedeven initiated an "Interdisciplinary Collaboration in Tribology," an effort that involved NASA, six universities, and several university professors. The NASA-sponsored work provided foundation for Wedeven in 1983 to form his own company. Several versions of the smart test machine, the WAM1, WAM2, and WAM3, have proceeded the current version, WAM4. This computer-controlled device can provide detailed glimpses at gear and bearing points of contact. WAM4 can yield a three-dimensional view of machinery as an operator adds "what-if" thermal and lubrication conditions, contact stress, and surface motion. Along with NASA, a number of firms, including Pratt & Whitney, Caterpillar Tractor, Exxon, and Chevron have approached Wedeven for help on resolving lubrication problems.

1997-01-01

384

Internet Archive Wayback Machine  

NSDL National Science Digital Library

The Internet Archive is the "parent" site for two sites previously reviewed in the Scout Report, Election 2000 (see the July 13, 2001 Scout Report) and September11.archive.org (see the October 19, 2001 Scout Report). The Archive has been cataloging Webpages since its inception in 1996, and for their fifth anniversary has opened the archive to the public by launching their "Wayback Machine." To operate the "Machine," users type a URL into the search box, which will call up dated, archived pages of the site. The Internet Archive holds ten billion Webpages, making it the largest known database. Since announcing public access to the overall database, the site has experienced a great deal of traffic. They are in the process of adding servers, but users should be warned that, in the meantime, access may be tricky. The Internet Archive is a nonprofit, which has received funding from a number of sources including the Library of Congress and the National Science Foundation.

2001-01-01

385

Columbia River System Operation Review : Final Environmental Impact Statement, Appendix C: Anadromous Fish and Juvenile Fish Transportation.  

SciTech Connect

This Appendix C of the Final Environmental Impact Statement for the Columbia River System discusses impacts on andromous fish and juvenile fish transportation. The principal andromous fish in the Columbia basin include salmonid species (Chinook, coho, and sockeye salmon, and steelhead) and nonsalmoinid andromous species (sturgeon, lamprey, and shad). Major sections in this document include the following: background, scope and process; affected environment for salmon and steelhead, shaded, lamprey, sturgeon; study methods; description of alternatives: qualitative and quantitative findings.

Columbia River System Operation Review (U.S.)

1995-11-01

386

Adaptation trajectory in five axes machine to manufacture orthopedic prostheses  

NASA Astrophysics Data System (ADS)

A new method of generation and adaptation of multi-axis machines ultrasonic machining paths, geometric change in gross machining is proposed in this paper. Currently, these are in most machining time are done manually by highly trained operators. The proposed method starts with a first step of association using an Iterative Closest Point "ICP" algorithm. In the second step, a deforming toolpath is given. To validate the theoretical developments, experimental tests were carried out for a uni-compartmental femoral knee component.

Azzam, Noureddine; Boukebbab, Salim; Chaves-Jacob, Julien; Linares, Jean-Marc

2014-10-01

387

High temperature process steam application at the Southern Union Refining Company, Hobbs, New Mexico. Solar energy in the oil patch. Final report, Phase III: operation, maintenance, and performance  

SciTech Connect

This final report summarizes the technical reports for Phase III of this project. The third phase included the operation, maintenance, upgrade and performance reporting of a 10,080 square foot Solar Industrial Process Heat System installed at the Famariss Energy Refinery of Southern Union Refining Company near Hobbs, New Mexico. This report contains a description of the upgraded system, and a summary of the overall operation, maintenance and performance of the installed system. The results of the upgrade activities can be seen in the last two months of operational data. Steam production was significantly greater in peak flow and monthly total than at any previous time. Also monthly total cost savings was greatly improved even though natural gas costs remain much lower than originally anticipated.

Wilson, L.E.; McGuire, D.R.

1984-05-01

388

Lab safety aerosols / sprays / fog machines 1. http://www.eliminatorlightingdirect.com/EF_400_400_Watt_Mini_Fog_Machine_p/ef-400.htm  

E-print Network

Lab safety ­ aerosols / sprays / fog machines 1 1. http://www.eliminatorlightingdirect.com/EF_400_400_Watt_Mini_Fog_Machine_p/ef-400.htm 2. Vitz, E., Lyle, K. S., J. Chem. Educ., 2008, 85(10), 1385 3. http with surface area (Video of a fog machine in operation) #12;Lab safety ­ aerosols / sprays / fog machines 2 1

Cohen, Robert E.

389

Participation in the U.S. Department of Energy`s Electric and Hybrid Vehicle Site Operator`s Program. Final report  

SciTech Connect

The Center for Electrochemical Systems and Hydrogen Research (CESHR), a department of the Texas Engineering Station (TEES) at Texas A and M University (TAMU), has been involved in education, demonstration, research development, and testing of EVs and their components since 1988. CESHR`s participation in the US Department of Energy (DOE) Electric Vehicle and Site Operators` Programs (SOP) started in August 1991. The South Central Electric Vehicle Consortium (SCEVC), a CESHR-lead group of utilities and private companies in Texas and neighboring States, was organized at about the same time. The SCEVC has helped bring together electric vehicle (EV) fleet owners and operators in the south-central region of the country (Texas, Oklahoma, and Louisiana). The DOE, the SCEVC, TEES and the State of Texas Governor`s Energy Management Office supported the demonstration and field testing of EVs in the region. CESHR was, and continues to be, actively involved in the research in new materials for advanced batteries and in proton exchange membrane fuel cells for transportation applications. The above efforts at CESHR have been carried out by a dedicated team of engineering and electrochemical staff and graduate and undergraduate students in chemical, electrical, and mechanical engineering. The projects were supported by a cost share of 40%. The laboratory facilities available at CESHR are fully equipped for testing EV batteries of different technologies on programmable load profiles and other EV components.

NONE

1996-12-31

390

Machine Learning for Global Optimization  

E-print Network

global optimization, machine learning, support vector machines, space trajectory design. Introduction ...... LIBSVM: a library for support vector machines. (Software ... Boston, Dordrecht, London: Kluwer Academic Publishers. Mangasarian, O. L. ...

schoen,,,

391

The Final Count Down: A Review of Three Decades of Flight Controller Training Methods for Space Shuttle Mission Operations  

NASA Technical Reports Server (NTRS)

Operations of human spaceflight systems is extremely complex; therefore, the training and certification of operations personnel is a critical piece of ensuring mission success. Mission Control Center (MCC-H), at the Lyndon B. Johnson Space Center in Houston, Texas, manages mission operations for the Space Shuttle Program, including the training and certification of the astronauts and flight control teams. An overview of a flight control team s makeup and responsibilities during a flight, and details on how those teams are trained and certified, reveals that while the training methodology for developing flight controllers has evolved significantly over the last thirty years the core goals and competencies have remained the same. In addition, the facilities and tools used in the control center have evolved. Changes in methodology and tools have been driven by many factors, including lessons learned, technology, shuttle accidents, shifts in risk posture, and generational differences. Flight controllers share their experiences in training and operating the space shuttle. The primary training method throughout the program has been mission simulations of the orbit, ascent, and entry phases, to truly train like you fly. A review of lessons learned from flight controller training suggests how they could be applied to future human spaceflight endeavors, including missions to the moon or to Mars. The lessons learned from operating the space shuttle for over thirty years will help the space industry build the next human transport space vehicle.

Dittermore, Gary; Bertels, Christie

2011-01-01

392

Some investigations into the electric discharge machining of hardened tool steel using different electrode materials  

Microsoft Academic Search

Electric discharge machining (EDM), a ‘non-traditional machining process’, has been replacing drilling, milling, grinding and other traditional machining operations and is now a well-established machining option in many manufacturing industries throughout the world. Modern ED machinery is capable of machining geometrically complex or hard material components, that are precise and difficult-to-machine such as heat treated tool steels, composites, super alloys,

Shankar Singh; S. Maheshwari; P. C. Pandey

2004-01-01

393

Analytical design of intelligent machines  

NASA Technical Reports Server (NTRS)

The problem of designing 'intelligent machines' to operate in uncertain environments with minimum supervision or interaction with a human operator is examined. The structure of an 'intelligent machine' is defined to be the structure of a Hierarchically Intelligent Control System, composed of three levels hierarchically ordered according to the principle of 'increasing precision with decreasing intelligence', namely: the organizational level, performing general information processing tasks in association with a long-term memory; the coordination level, dealing with specific information processing tasks with a short-term memory; and the control level, which performs the execution of various tasks through hardware using feedback control methods. The behavior of such a machine may be managed by controls with special considerations and its 'intelligence' is directly related to the derivation of a compatible measure that associates the intelligence of the higher levels with the concept of entropy, which is a sufficient analytic measure that unifies the treatment of all the levels of an 'intelligent machine' as the mathematical problem of finding the right sequence of internal decisions and controls for a system structured in the order of intelligence and inverse order of precision such that it minimizes its total entropy. A case study on the automatic maintenance of a nuclear plant illustrates the proposed approach.

Saridis, George N.; Valavanis, Kimon P.

1987-01-01

394

Interactive Gumball Machine  

NSDL National Science Digital Library

In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide. Teams then design and build their own interactive gumball machine.

Ieee

2013-08-30

395

International Conference on Machine Control & Guidance 2008 1 Geodetic Instrumentation for Use on Machine Bored  

E-print Network

on Machine Bored Tunnels N. CLARKE-HACKSTON, M. MESSING, E. ULLRICH VMT GmbH, Bruchsal Germany Abstract As advance rates of TBM bored tunnels increase, it is essential that all aspects of the control of the machines operating parameters in the Controlled Boring Process software integration package to give

396

A Machine-Checked Model for a Java-Like Language, Virtual Machine and Compiler  

E-print Network

A Machine-Checked Model for a Java-Like Language, Virtual Machine and Compiler GERWIN KLEIN, a Java-like programming language with a formal semantics designed to exhibit core features of the Java of the formal semantics. The following aspects are formalised: a big and a small step operational semantics

397

Sampling and monitoring operations for mustard (HD) and sarin (GB) at Rocky Nountain Arsenal. Volume 2. Final report  

SciTech Connect

This reports is a summarization of phase II activities at RMA which included: Sampling operations for the presence of HD and GB in the South Plants and North Plants Areas: Protection of workers and the environment during the sample preparation and sampling periods. A total of 203 samples were analyzed (182 GB and 21 HD). 6 HD and 23 GB sample points were verified as 'X' or above the TWA. The report is divided into the following sections: Summary of sampling results; Building descriptions; Chemical Agent Information; Sampling Plan; Summary of sampling operations; Monitoring plan. (Author).

Not Available

1990-01-01

398

Interior of building 16 section, view north of machine shop, ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Interior of building 16 section, view north of machine shop, showing shrink-fitting a bearing sleeve onto a section of the propeller shaft for the aircraft carrier John F. Kennedy. The lathe on the extreme left of the photograph was used to machine bearing sleeves to final dimensions. This work, in August 1994, was the final major machine shop job done for the U.S. Navy. Photograph by Robert Stewart, August 1994. - Naval Base Philadelphia-Philadelphia Naval Shipyard, Machine Shops, League Island, Philadelphia, Philadelphia County, PA

399

Superplasticity dome forming of machined sheets  

SciTech Connect

An experimental work on the superplastic bulge forming of machined sheets is presented in this study. Unlike the previously employed incremental-iterative method, a reverse deformation model was used to estimate the initial thickness distribution of the machined sheets from which a constant final thickness can be obtained when the shape of the bulged sheet is hemisphere. The reverse deformation model was obtained by modifying previously-known models, which were based on the axisymmetric membrane and the incremental strain theory. Bulge forming experiments were conducted on machined sheets of Al alloy, A5083, at about 530 C under constant pressure control mode. The result of this simulation to estimate the final constant thickness distribution agreed well with the experiment, and confirmed that the reverse deformation model can be successfully applied in optimizing the thickness distribution of the starting sheets in order to obtain the desired final thickness distribution of the free bulged hemispherical product.

Akkus, Nihat; Usugi, Toshihiro; Kawahara, Masanori; Manabe, Kenichi; Nishimura, Hisashi

2000-07-01

400

A Study of Operator and Mechanic Training Needs in the Transit Industry. Volume I, Findings and Conclusions. Final Report.  

ERIC Educational Resources Information Center

Surveys of 188 transit properties and on-site visits were conducted to determine training needs of operators and mechanics in the urban mass transportation industry. Volume I presents findings and conclusions of the study with reference to survey methodology, site visit interviews and observations, questionnaire results, and specific…

Henderson, Harold L.; And Others

401

Instructor/Operator Station Design Handbook for Aircrew Training Devices. Final Technical Report for Period March 1982-December 1986.  

ERIC Educational Resources Information Center

Human engineering guidelines for the design of instructor/operator stations (IOSs) for aircrew training devices are provided in this handbook. These guidelines specify the preferred configuration of IOS equipment across the range of the anticipated user sizes and performance capabilities. The guidelines are consolidated from various human…

Warner, H. D.

402

Analysis of airborne radiometric data. Volume 2. Description, listing, and operating instructions for the code DELPHI\\/MAZAS. Final report  

Microsoft Academic Search

The computer code DELPHI is an interactive English language command system for the analysis of airborne radiometric data. The code includes modules for data reduction, data simulation, time filtering, data adjustment and graphical presentation of the results. DELPHI is implemented in FORTRAN on a DEC-10 computer. This volume gives a brief set of operations instructions, samples of the output obtained

M. Sperling; D. C. Shreve

1978-01-01

403

Talking Vending Machines  

E-print Network

're in the central Tokyo Station and you're thirsty so you go to the, you know, vending machine to buy a drink. Only this is not your average vending machine. Uh uh. This vending machine has opinions on what beverage you want. Sensors built into large touch panels...

Hacker, Randi

2011-02-02

404

Millikelvin Lab Machine Shop  

E-print Network

Millikelvin Lab OP105­112 Machine Shop OP132 Resistive Magnet Shop CICC Winding Area Transformers This building is home to the Millikelvin lab, the control room, the resistive magnet and machine shops, the CICC@magnet.fsu.edu (850) 644-4378 (850) 644-0534 2 MACHINE SHOP OP132 Vaughan Williams (A114*) williams

McQuade, D. Tyler

405

What is Machine Learning? About the Course Example Machine Learning  

E-print Network

What is Machine Learning? About the Course Example Machine Learning DD2431 ¨Orjan Ekeberg Oct­Dec, 2008 #12;What is Machine Learning? About the Course Example 1 What is Machine Learning? Definition A Hypothetical Project #12;What is Machine Learning? About the Course Example 1 What is Machine Learning

Kjellström, Hedvig

406

What is Machine Learning? About the Course Example Machine Learning  

E-print Network

What is Machine Learning? About the Course Example Machine Learning DD2431 ¨Orjan Ekeberg Oct­Dec, 2007 What is Machine Learning? About the Course Example 1 What is Machine Learning? Definition A Hypothetical Project What is Machine Learning? About the Course Example 1 What is Machine Learning? Definition

Kjellström, Hedvig

407

What is Machine Learning? About the Course Example Machine Learning  

E-print Network

What is Machine Learning? About the Course Example Machine Learning DD2431 ¨Orjan Ekeberg Oct­Dec, 2008 What is Machine Learning? About the Course Example 1 What is Machine Learning? Definition A Hypothetical Project What is Machine Learning? About the Course Example 1 What is Machine Learning? Definition

Kjellström, Hedvig

408

What is Machine Learning? About the Course Example Machine Learning  

E-print Network

What is Machine Learning? About the Course Example Machine Learning DD2431 ¨Orjan Ekeberg Oct­Dec, 2007 #12;What is Machine Learning? About the Course Example 1 What is Machine Learning? Definition A Hypothetical Project #12;What is Machine Learning? About the Course Example 1 What is Machine Learning

Kjellström, Hedvig

409

Analysis of radiation exposure for troop observers, Exercise Desert Rock VI, Operation Teapot. Final report 1 Mar-15 Jul 80  

SciTech Connect

The radiation doses to troop observers and volunteer observers for Exercise Desert Rock VI are reconstructed for each applicable shot of Operation Teapot (1955). Initial neutron and gamma radiation doses are determined from transport codes ATR4 and ATR4.1. Residual radiation contours and decay rates are established through a new automated procedure that utilizes raw data in regression analysis to fit space-time models. Troop operations data are combined with the radiological data to determine integrated dose. Uncertainties are calculated for each parameter. The volunteers received the highest observer--1.6 rem gamma and 4.5 rem neutron. The highest dose received by troop observers was 1.4 rem gamma and 1.4 rem neutron at Shot Tesla.

Goetz, J.; McGahan, J.; Kaul, D.; Weitz, R.; Klemm, J.

1980-07-15

410

Benchmarking the Connection Machine  

SciTech Connect

The purpose of this memo is to present the results of work done recently on the Connection Machine during a one-week visit by the authors to Thinking Machines Corporation. The main objectives of the trip were to benchmark the Connection Machine and to assess the software environment, in order to determine the suitability of the Connection Machine for solving computationally-intensive problems and to compare the Connection Machine with other highly-parallel computers. This report presents preliminary results, and describes the computer architecture.

Baillie, C.; Felten, E.; Walker, D.

1987-01-01

411

Edheads: The Compound Machine  

NSDL National Science Digital Library

This resource is a collection of interactive animations designed to help kids learn how forces and simple machines can work together to create the compound machine. Child-centered animated activities enhance understanding of how compound machines function and how they are differentiated from simple machines. Additionally the site includes a glossary of important terms, lesson plans, a teacher's guide and information about professionals who work with compound machines. This page is part of a larger collection of animated education resources for the elementary level.

2007-09-18

412

40 CFR 63.463 - Batch vapor and in-line cleaning machine standards.  

...The owner or operator of a continuous web cleaning machine shall comply with the...The owner or operator of a continuous web cleaning machine shall comply with the...The owner or operator of a continuous web cleaning machine shall comply with...

2014-07-01

413

Tabu search for the job-shop scheduling problem with multi-purpose machines  

Microsoft Academic Search

In this paper we study the following generalization of the job-shop scheduling problem. Each operation can be performed by one machine out of a set of machines given for this operation. The processing time does not depend on the machine which has been chosen for processing the operation. This problem arises in the area of flexible manufacturing. As a generalization

Johann Hurink; Bernd Jurisch; Monika Thole

1994-01-01

414

Washing Machine Dehydration Dynamics Analysis  

Microsoft Academic Search

This paper presents how an FEA model using MSC.NASTRAN was developed to simulate dehydration dynamics of a washing machine with spinning basket rotating about vertical axis. Gyroscopic effect centrifugal forces and self?balancing mechanism (liquid balancer associated with rotating structures were considered in the simulation. Using the model frequency response analysis was performed to simulate response of non?rotating structures in operating

Morio MITSUISHI Morio MITSUISHI; Changmin SONG Changmin SONG; Changmin SAMSUNG; Changsub KIM; Changsub SAMSUNG

415

International Conference on Machine Control & Guidance 2008 1 New Technologies for Telematics and Machine Control  

E-print Network

1st International Conference on Machine Control & Guidance 2008 1 New Technologies for Telematics that they rise above the cab. This allows for almost unlimited operation, which is a big advantage when grading

416

Model Development to Establish Integrated Operational Rule Curves for Hungry Horse and Libby Reservoirs - Montana, 1996 Final Report.  

SciTech Connect

Hungry Horse and Libby dams have profoundly affected the aquatic ecosystems in two major tributaries of the Columbia River by altering habitat and water quality, and by imposing barriers to fish migration. In 1980, the U.S. Congress passed the Pacific Northwest Electric Power Planning and Conservation Act, designed in part to balance hydropower development with other natural resources in the Columbia System. The Act formed the Northwest Power Planning Council (Council) who developed a program to protect, mitigate and enhance fish and wildlife on the Columbia River and its tributaries. Pursuant to the Council`s Fish and Wildlife Program for the Columbia River System (1987), we constructed computer models to simulate the trophic dynamics of the reservoir biota as related to dam operation. Results were used to develop strategies to minimize impacts and enhance the reservoir and riverine fisheries, following program measures 903(a)(1-4) and 903(b)(1-5). Two FORTRAN simulation models were developed for Hungry Horse and Libby reservoirs located in northwestern Montana. The models were designed to generate accurate, short-term predictions specific to two reservoirs and are not directly applicable to other waters. The modeling strategy, however, is portable to other reservoir systems where sufficient data are available. Reservoir operation guidelines were developed to balance fisheries concerns in the headwaters with anadromous species recovery actions in the lower Columbia (Biological Rule Curves). These BRCs were then integrated with power production and flood control to reduce the economic impact of basin-wide fisheries recovery actions. These Integrated Rule Curves (IRCs) were developed simultaneously in the Columbia Basin System Operation Review (SOR), the Council`s phase IV amendment process and recovery actions associated with endangered Columbia Basin fish species.

Marotz, Brian; Althen, Craig; Gustafson, Daniel

1996-01-01

417

Geological, geochemical, and operational summary, aurora well, OCS Y-0943-1, Beaufort Sea, Alaska. Final report  

SciTech Connect

The Aurora well is located just off the coast of the Arctic National Wildlife Refuge (ANWR). The well was spudded November 2, 1987, in 68 ft of water and plugged and abandoned 286 days later on August 30, 1988, after drilling to a total depth (TD) of 18,325 ft below the Kelly Bushing (RKB). The report presents our interpretations of the geologic and geochemical information collected from the Aurora well. Additionally, a significant section of the report is devoted to the operational aspects of drilling the Aurora well.

Paul, L.E.; Choromanski, D.R.; Turner, R.F.; Flett, T.O.; Paul, L.E.

1994-01-01

418

Machine characterization and benchmark performance prediction  

NASA Technical Reports Server (NTRS)

From runs of standard benchmarks or benchmark suites, it is not possible to characterize the machine nor to predict the run time of other benchmarks which have not been run. A new approach to benchmarking and machine characterization is reported. The creation and use of a machine analyzer is described, which measures the performance of a given machine on FORTRAN source language constructs. The machine analyzer yields a set of parameters which characterize the machine and spotlight its strong and weak points. Also described is a program analyzer, which analyzes FORTRAN programs and determines the frequency of execution of each of the same set of source language operations. It is then shown that by combining a machine characterization and a program characterization, we are able to predict with good accuracy the run time of a given benchmark on a given machine. Characterizations are provided for the Cray-X-MP/48, Cyber 205, IBM 3090/200, Amdahl 5840, Convex C-1, VAX 8600, VAX 11/785, VAX 11/780, SUN 3/50, and IBM RT-PC/125, and for the following benchmark programs or suites: Los Alamos (BMK8A1), Baskett, Linpack, Livermore Loops, Madelbrot Set, NAS Kernels, Shell Sort, Smith, Whetstone and Sieve of Erathostenes.

Saavedra-Barrera, Rafael H.

1988-01-01

419

Experimental and theoretical investigation of operational and survivability issues in thermal radiators for thermionic space nuclear power systems. Final report  

SciTech Connect

Heat pipes are a promising candidate for spacecraft radiators. This report describes a program designed to investigate the mass migration phenomenon in heat pipes. The program involved experiments to observe and measure the mass migration rates in both high and low operating temperature heat pipes. The low-temperature experiments were intended to simulate the operation of high-temperature, liquid metal heat pipes. Octadecane was the selected low-temperature working fluid. It is a paraffin and exhibits some of the characteristics of liquid metal working fluids. Sodium was the working fluid used in the high temperature experiment. A one-dimensional compressible flow model was developed for describing the hydrodynamics of rarefied vapor flow in heat pipe condensers. This model was compared with experimental data for the low-temperature octadecane heat pipes and the high-temperature sodium heat pipe. The model was found to satisfactorily predict the temperature profiles and location of freeze-fronts for the low-temperature heat pipes. Mass migration rate predictions using the model were satisfactory for the low-temperature heat pipes as well. However, the mass migration prediction for the high-temperature, sodium heat pipe was not in agreement with experimental data. An analytical model which accounts for property variations in the radial as well as longitudinal directions is recommended. A one-dimensional model was unsatisfactory for predicting mass migration rates in liquid metal heat pipes.

Keddy, M.D.

1994-03-15

420

Perspex machine: VII. The universal perspex machine  

NASA Astrophysics Data System (ADS)

The perspex machine arose from the unification of projective geometry with the Turing machine. It uses a total arithmetic, called transreal arithmetic, that contains real arithmetic and allows division by zero. Transreal arithmetic is redefined here. The new arithmetic has both a positive and a negative infinity which lie at the extremes of the number line, and a number nullity that lies off the number line. We prove that nullity, 0/0, is a number. Hence a number may have one of four signs: negative, zero, positive, or nullity. It is, therefore, impossible to encode the sign of a number in one bit, as floating-point arithmetic attempts to do, resulting in the difficulty of having both positive and negative zeros and NaNs. Transrational arithmetic is consistent with Cantor arithmetic. In an extension to real arithmetic, the product of zero, an infinity, or nullity with its reciprocal is nullity, not unity. This avoids the usual contradictions that follow from allowing division by zero. Transreal arithmetic has a fixed algebraic structure and does not admit options as IEEE, floating-point arithmetic does. Most significantly, nullity has a simple semantics that is related to zero. Zero means "no value" and nullity means "no information." We argue that nullity is as useful to a manufactured computer as zero is to a human computer. The perspex machine is intended to offer one solution to the mind-body problem by showing how the computable aspects of mind and, perhaps, the whole of mind relates to the geometrical aspects of body and, perhaps, the whole of body. We review some of Turing's writings and show that he held the view that his machine has spatial properties. In particular, that it has the property of being a 7D lattice of compact spaces. Thus, we read Turing as believing that his machine relates computation to geometrical bodies. We simplify the perspex machine by substituting an augmented Euclidean geometry for projective geometry. This leads to a general-linear perspex-machine which is very much easier to program than the original perspex-machine. We then show how to map the whole of perspex space into a unit cube. This allows us to construct a fractal of perspex machines with the cardinality of a real-numbered line or space. This fractal is the universal perspex machine. It can solve, in unit time, the halting problem for itself and for all perspex machines instantiated in real-numbered space, including all Turing machines. We cite an experiment that has been proposed to test the physical reality of the perspex machine's model of time, but we make no claim that the physical universe works this way or that it has the cardinality of the perspex machine. We leave it that the perspex machine provides an upper bound on the computational properties of physical things, including manufactured computers and biological organisms, that have a cardinality no greater than the real-number line.

Anderson, James A. D. W.

2006-01-01

421

The machine loading and tool allocation problem in a flexible manufacturing system  

Microsoft Academic Search

In this paper the machine loading and tool allocation problem of an FMS is discussed, A mathematical model is developed to determine the routings of parts through the machines and to allocate appropriate cutting tools to each machine to achieve minimum overall machining cost. Computational experience with this model is presented under various system and operation parameter values. Computational refinements

S. C. SARIN; C. S. CHEN

1987-01-01

422

Performance of a hybrid electric vehicle using reluctance synchronous machine technology  

Microsoft Academic Search

The performance of a parallel hybrid electric vehicle (HEV) with a small reluctance synchronous machine drive is presented. The machine is current-angle controlled for maximum torque per ampere or minimum kVA. This ensures that the machine is operated reasonably close to optimal efficiency for all loads. The calculated and measured performance results of the reluctance synchronous machine drive and the

Johan Malan; Maarten J. Kamper

2001-01-01

423

Machine Learning Group Machine Learning Group Machine Learning Group  

E-print Network

The deep Boltzmann machine is a powerful model that extracts the hierarchical structure of observed data. While inference is typically slow due to its undirected nature, we argue that the emerging feature hierarchy is still explicit enough to be traversed in a feedforward fashion. The claim is corroborated by training a set of deep neural networks on real data and measuring the evolution of the representation layer after layer. The analysis reveals that the deep Boltzmann machine produces a feed-forward hierarchy of increasingly invariant representations that clearly surpasses the layer-wise approach. 1

Grégoire Montavon; Mikio L. Braun; Klaus-robert Müller; Tu Berlin; Tu Berlin; Tu Berlin

424

Detecting single-nucleotide polymorphism by single-nucleotide polymorphism interactions in rheumatoid arthritis using a two-step approach with machine learning and a Bayesian threshold least absolute shrinkage and selection operator (LASSO) model.  

PubMed

The objective of this study was to detect interactions between relevant single-nucleotide polymorphisms (SNPs) associated with rheumatoid arthritis (RA). Data from Problem 1 of the Genetic Analysis Workshop 16 were used. These data consisted of 868 cases and 1,194 controls genotyped with the 500 k Illumina chip. First, machine learning methods were applied for preselecting SNPs. One hundred SNPs outside the HLA region and 1,500 SNPs in the HLA region were preselected using information-gain theory. The software weka was used to reduce colinearity and redundancy in the HLA region, resulting in a subset of 6 SNPs out of 1,500. In a second step, a parametric approach to account for interactions between SNPs in the HLA region, as well as HLA-nonHLA interactions was conducted using a Bayesian threshold least absolute shrinkage and selection operator (LASSO) model incorporating 2,560 covariates. This approach detected some main and interaction effects for SNPs in genes that have previously been associated with RA (e.g., rs2395175, rs660895, rs10484560, and rs2476601). Further, some other SNPs detected in this study may be considered in candidate gene studies. PMID:20018057

González-Recio, Oscar; de Maturana, Evangelina López; Vega, Andrés T; Engelman, Corinne D; Broman, Karl W

2009-01-01

425

Development of electrolysis-cell separator for 125/sup 0/C operation. Advanced alkaline electrolysis cell development. Final report  

SciTech Connect

This report contains the findings of a seven-month contracted effort. The major technical task involved a 125/sup 0/C operating temperature test of the 20 v/o polybenzimidazole (PBI) - 80 v/o potassium titanate (K/sub 2/TiO/sub 3/) separator in combination with the nickel-molybdenum cathode electrocatalyst system dubbed the C-AN cathode using the ARIES test system which was developed previously. The test of the PBI-K/sub 2/TiO/sub 3/ separator was only partially successful. The anticipated 1.85 (75/sup 0/C) and 1.75 volt per cell (100/sup 0/C) input requirement at 550 ma/cm/sup 2/ were surpassed slightly. The test module operated stably for about 550 hr. Although there were some mechanical difficulties with the ARIES test unit, testing at 125/sup 0/C proceeded from 745 hr on test until the test was terminated at 2318 operating hours to allow diagnostic disassembly. The input voltage degraded to a value of 1.82 volt per cell at 125/sup 0/C which is unacceptable. Diagnostic disassembly showed the PBI portion of the separator was no longer present. PBI had been shown to be stable in 123/sup 0/C, 45 w/o KOH solutions in a 1000-hr test. The attack is suggested to be attributable to a peroxide or perchlorate type oxidizer which would be unique to the electrolysis mode and probably not present in alkaline fuel cell applications. Recommendations for further testing include an evaluation of the chemical compatibility of PBI with alkaline/oxidizer solutions and endurance testing the C-AN cathode with new improved anode structures at 125/sup 0/C using asbestos separators in combination with a silicate saturated KOH electrolyte. Demonstration of the stability of this 1.65 volt per cell (90% voltage efficiency) technology at 500 ma/cm/sup 2/ will document an inexpensive and intelligent hydrogen production process which will satisfy the needs of the United States in the 1990s.

Murray, J N

1983-03-01

426

Monitoring and decision making by people in man machine systems  

NASA Technical Reports Server (NTRS)

The analysis of human monitoring and decision making behavior as well as its modeling are described. Classic and optimal control theoretical, monitoring models are surveyed. The relationship between attention allocation and eye movements is discussed. As an example of applications, the evaluation of predictor displays by means of the optimal control model is explained. Fault detection involving continuous signals and decision making behavior of a human operator engaged in fault diagnosis during different operation and maintenance situations are illustrated. Computer aided decision making is considered as a queueing problem. It is shown to what extent computer aids can be based on the state of human activity as measured by psychophysiological quantities. Finally, management information systems for different application areas are mentioned. The possibilities of mathematical modeling of human behavior in complex man machine systems are also critically assessed.

Johannsen, G.

1979-01-01

427

Operation safe removal: Spring Valley, Washington, DC analytical results: January-February 1993. Final report, January-February 1993  

SciTech Connect

On 5 January 1993, laboratory debris/soils and munitions from WWI chemical warfare (CW) agent studies at American University were discovered in the Spring Valley development in Washington, D.C. Ninety-eight separate items/samples, including nine intact munitions, were packaged and delivered by the Technical Escort Unit (TEU) to the U.S. Army Edgewood Research, Development and Engineering Center for chemical characterization. This report summarizes the analytical results obtained on the samples submitted from the Spring Valley site. It identifies the various samples delivered for analysis and describes the analytical methodology used to identify and confirm the chemicals contained in each sample. Spectra for each sample in which chemicals were identified are included in the appendices.... American University, Operation Safe Removal, Spring Valley, Washington, D.C..

Brooks, M.E.; Beaudry, W.T.; Bossle, P.C.; Herd, R.E.; Lochner, J.M.

1993-07-01

428

Improving central heating plant performance at the defense construction supply center (DCSC): Advanced operation and maintenance methods. Final report  

SciTech Connect

A 1987 air pollution emissions test done by the U.S. Army Environmental Hygiene Agency (USAEHA) identified several problems with the central heating plant (CHP) at the Defense Construction Supply Center (DCSC), Columbus, OH. Though DCSC repaired the specified problems, improved coal specifications, and tried to reduce air infiltration, CHP performance remained at unacceptable levels. Consequently, DCSC contracted the U.S. Army Construction Engineering Research Laboratories (USACERL) to apply advanced operation and maintenance procedures to improve its combustion system. This study employed a system-wide approach to evaluate the CHP 5 fuel storage, combustion, heat distribution, and the control of air emissions. Many short-term improvements to the CHP were identified and tested. Subsequent combustion and air emissions tests revealed that the recommended improvements successfully increased CHP efficiency. Long-term improvements were also recommended to help maintain the short-term improvements.

Savoie, M.J.; Standerfer, J.; Schmidt, C.M.; Gostich, J.; Mignacca, J.

1994-11-01

429

A structure for sequencing robot activities in machine tending applications  

Microsoft Academic Search

This paper initiates a structure for analysing problems involved in sequencing the operations that must be performed by a robot to tend machines in a cell. The sequence of operations is shown to be important in determining the feasibility of assigning a robot to tend machines and achieve specified production rates. Various cases, defined by the parameters that describe the

WILBERT E. WILHELM; SUBHASH C. SARIN

1985-01-01

430

DESIGN OF OIL-LESS HELICAL TWIN SCREW MACHINES  

Microsoft Academic Search

A twin screw machine is described as oil-less when the working chamber between the contacting helical rotors and the casing, which is usually flooded by oil, operates with no oil or a very small quantity of oil injected in it. Such a mode of operation has been shown to be viable in two experimental projects in which three screw machine

Ian K Smith; Ahmed Kovaèeviæ

431

Operation and maintenance of DOE/PETC Combustion Test Facilities. Final activity report, December 20, 1982-January 18, 1985  

SciTech Connect

On December 20, 1982, Management and Technical Services Company/General Electric (MATSCO/GE) began to operate, modify and maintain the Combustion Test Facilities at the Pittsburgh Energy Technology Center (PETC). The work is divided into three main programs: Alternate Fuels/In-House Research, Flue Gas Cleanup Research and Development, and Advanced Research and Technology Development. The objectives of the initial programs were to (1) retrofit the boilers with minimum modifications; (2) prepare CWM with coal concentrations that result in acceptable mixing, handling, and transport characteristics; (3) achieve stable CWM flames in boilers without supplemental fuel assistance; and (4) establish CWM combustion characteristics. In the 700-HP CTF, investigations into the effects on combustion of methanol addition, coal particle size, and oxygen enrichment of the combustion air were pursued, as well as evaluation of various burners, reduction of NO/sub x/ emissions through the introduction of staged air, and evaluation of anthracite CWM combustion. Work at the 100-HP CTF focused on investigation of coal particle size, use of various coal and petroleum by-products, the effects of long-term ash deposition in the boiler, and new burner nozzle adaptations. In December, 1983, MATSCO/GE assumed responsibilities of operation, modification, and maintenance of the Coal-Fired Flue Gas Cleanup Test Facility. The Dry Combined Flue Gas Cleanup PDU was completely built and shaken down, and formal testing of lime slurry injection into the flue gas for SO/sub 2//NO/sub x/ reduction was initiated. In the Copper Oxide Continuous Life Cycle PDU, construction of the furnace was completed and construction of the absorber and regenerator units was begun. 15 figs., 10 tabs.

Not Available

1985-01-01

432

Design and market considerations for axial flux superconducting electric machine design  

NASA Astrophysics Data System (ADS)

In this paper, the authors investigate a number of design and market considerations for an axial flux superconducting electric machine design that uses high temperature superconductors. The axial flux machine design is assumed to utilise high temperature superconductors in both wire (stator winding) and bulk (rotor field) forms, to operate over a temperature range of 65-77 K, and to have a power output in the range from 10s of kW up to 1 MW (typical for axial flux machines), with approximately 2-3 T as the peak trapped field in the bulk superconductors. The authors firstly investigate the applicability of this type of machine as a generator in small- and medium-sized wind turbines, including the current and forecasted market and pricing for conventional turbines. Next, a study is also carried out on the machine's applicability as an in-wheel hub motor for electric vehicles. Some recommendations for future applications are made based on the outcome of these two studies. Finally, the cost of YBCO-based superconducting (2G HTS) wire is analysed with respect to competing wire technologies and compared with current conventional material costs and current wire costs for both 1G and 2G HTS are still too great to be economically feasible for such superconducting devices.

Ainslie, M. D.; George, A.; Shaw, R.; Dawson, L.; Winfield, A.; Steketee, M.; Stockley, S.

2014-05-01

433

An efficient annealing in Boltzmann machine in Hopfield neural network  

NASA Astrophysics Data System (ADS)

This paper proposes and implements Boltzmann machine in Hopfield neural network doing logic programming based on the energy minimization system. The temperature scheduling in Boltzmann machine enhancing the performance of doing logic programming in Hopfield neural network. The finest temperature is determined by observing the ratio of global solution and final hamming distance using computer simulations. The study shows that Boltzmann Machine model is more stable and competent in term of representing and solving difficult combinatory problems.

Kin, Teoh Yeong; Hasan, Suzanawati Abu; Bulot, Norhisam; Ismail, Mohammad Hafiz

2012-09-01

434

Ergonomics: The Human and the Machine.  

ERIC Educational Resources Information Center

Discusses aspects of microcomputer operation that are associated with the human operator and the interface between human and machine or workplace. Work productivity, furniture design (desks, seating), keyboards (shape, layout, and "feel" of keys), and video display terminal screens and lighting are noted. (EJS)

Mason, Robert M.

1984-01-01

435

Machine Learning for Outcome Prediction of Acute Ischemic Stroke Post Intra-Arterial Therapy  

PubMed Central

Introduction Stroke is a major cause of death and disability. Accurately predicting stroke outcome from a set of predictive variables may identify high-risk patients and guide treatment approaches, leading to decreased morbidity. Logistic regression models allow for the identification and validation of predictive variables. However, advanced machine learning algorithms offer an alternative, in particular, for large-scale multi-institutional data, with the advantage of easily incorporating newly available data to improve prediction performance. Our aim was to design and compare different machine learning methods, capable of predicting the outcome of endovascular intervention in acute anterior circulation ischaemic stroke. Method We conducted a retrospective study of a prospectively collected database of acute ischaemic stroke treated by endovascular intervention. Using SPSS®, MATLAB®, and Rapidminer®, classical statistics as well as artificial neural network and support vector algorithms were applied to design a supervised machine capable of classifying these predictors into potential good and poor outcomes. These algorithms were trained, validated and tested using randomly divided data. Results We included 107 consecutive acute anterior circulation ischaemic stroke patients treated by endovascular technique. Sixty-six were male and the mean age of 65.3. All the available demographic, procedural and clinical factors were included into the models. The final confusion matrix of the neural network, demonstrated an overall congruency of ?80% between the target and output classes, with favourable receiving operative characteristics. However, after optimisation, the support vector machine had a relatively better performance, with a root mean squared error of 2.064 (SD: ±0.408). Discussion We showed promising accuracy of outcome prediction, using supervised machine learning algorithms, with potential for incorporation of larger multicenter datasets, likely further improving prediction. Finally, we propose that a robust machine learning system can potentially optimise the selection process for endovascular versus medical treatment in the management of acute stroke. PMID:24520356

Asadi, Hamed; Dowling, Richard; Yan, Bernard; Mitchell, Peter

2014-01-01

436

Control System Design for Automatic Cavity Tuning Machines  

SciTech Connect

A series of four automatic tuning machines for 9-cell TESLA-type cavities are being developed and fabricated in a collaborative effort among DESY, FNAL, and KEK. These machines are intended to support high-throughput cavity fabrication for construction of large SRF-based accelerator projects. Two of these machines will be delivered to cavity vendors for the tuning of XFEL cavities. The control system for these machines must support a high level of automation adequate for industrial use by non-experts operators. This paper describes the control system hardware and software design for these machines.

Carcagno, R.; Khabiboulline, T.; Kotelnikov, S.; Makulski, A.; Nehring, R.; Nogiec, J.; Ross, M.; Schappert, W.; /Fermilab; Goessel, A.; Iversen, J.; Klinke, D.; /DESY

2009-05-01

437

Computer simulation machining a 3D free surface by using a 3-RPRU parallel machine tool  

Microsoft Academic Search

A novel computer aided geometric approach is proposed to machine a 3D free surface by adopting a 3-RPRU parallel machine tool.\\u000a Based on the geometry constraint and dimension-driving technique, a 3-RPRU parallel simulation mechanism is first created.\\u000a Next, a 3D free surface and a guiding plane of tool path are constituted. Finally, the 3-RPRU parallel simulation mechanism,\\u000a the 3D free

Yi Lu; Jiayin Xu

2007-01-01

438

Human-Machine Interface in Building Automation Systems  

E-print Network

problem between the non-computer knowledgeable operator and the computer based Building Automation System. One of the solutions to this problem is the design and implementation of a human machine interface which educates the operator to utilize the system...

Sobczak, N. L.

1981-01-01

439

The sawing machine is a machine SAWING MACHINES  

E-print Network

main parts, which are discussed below. The head is the large unit at the top of the contour machine), and the adjustable post which supports the upper saw guide. The job selector dial is also located on the head the speed in feet per minute (FPM). The butt welder is also mounted on the column. different positions

Gellman, Andrew J.

440

Machine tool locator  

DOEpatents

Machine tools can be accurately measured and positioned on manufacturing machines within very small tolerances by use of an autocollimator on a 3-axis mount on a manufacturing machine and positioned so as to focus on a reference tooling ball or a machine tool, a digital camera connected to the viewing end of the autocollimator, and a marker and measure generator for receiving digital images from the camera, then displaying or measuring distances between the projection reticle and the reference reticle on the monitoring screen, and relating the distances to the actual position of the autocollimator relative to the reference tooling ball. The images and measurements are used to set the position of the machine tool and to measure the size and shape of the machine tool tip, and examine cutting edge wear. patent

Hanlon, John A. (Los Alamos, NM); Gill, Timothy J. (Stanley, NM)

2001-01-01

441

Evaluation of traffic operation countermeasures to reduce air pollution: State of the art. Final report, Aug 87-Nov 87  

SciTech Connect

The increasing air pollution problem in metropolitan areas presents a serious threat to the health of the public. It has been reported that during the years 1983-85, 76 U.S. cities had violated the ozone pollution standards and 81 cities violated the limits on carbon monoxide. The Environmental Protection Agency has begun enforcement actions against cities that either have failed to develop an approved plan to reduce the pollution or have failed to carry out previously approved plans. Motor vehicle emissions are the major contributors to air pollution in urban areas. An effective solution to this problem is the reduction of motor vehicle emissions by means of a comprehensive transportation plan. This plan includes short term solutions such as automobile use management during certain days of the week, traffic management strategies, short term transit strategies, and parking management. This study: (1) developed a state-of-the-art report on the topic of Evaluation of Traffic Operation Countermeasures to Reduce Air Pollution; (2) recommended that further research be done to assess the effectiveness of different control strategies and motorist information systems on air pollution; (3) developed a research work plan for the proposed topic.

Radwan, A.E.

1987-11-01

442

Killer pop machines.  

PubMed

Abuse and misuse of soda vending machines has resulted in a considerable number of injuries and deaths. The machines fall forward when rocked or tilted and crush those in front. These accidents are all preventable by a simple and cheap device. There should be a law compelling safety requirements for these machines. This is a report of a recent case in which a young man was crushed to death. PMID:2329341

Spitz, D J; Spitz, W U

1990-03-01

443

Quantum Learning Machine  

E-print Network

We propose a novel notion of a quantum learning machine for automatically controlling quantum coherence and for developing quantum algorithms. A quantum learning machine can be trained to learn a certain task with no a priori knowledge on its algorithm. As an example, it is demonstrated that the quantum learning machine learns Deutsch's task and finds itself a quantum algorithm, that is different from but equivalent to the original one.

Jeongho Bang; James Lim; M. S. Kim; Jinhyoung Lee

2008-03-20

444

7. VIEW OF MACHINE SHOP IN BUILDING 881. WORKERS IN ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

7. VIEW OF MACHINE SHOP IN BUILDING 881. WORKERS IN THE MACHINE SHOP FORMED ENRICHED URANIUM COMPONENTS INTO THEIR FINAL SHAPES. (12/12/56) - Rocky Flats Plant, General Manufacturing, Support, Records-Central Computing, Southern portion of Plant, Golden, Jefferson County, CO

445

Method and system for fault accommodation of machines  

NASA Technical Reports Server (NTRS)

A method for multi-objective fault accommodation using predictive modeling is disclosed. The method includes using a simulated machine that simulates a faulted actual machine, and using a simulated controller that simulates an actual controller. A multi-objective optimization process is performed, based on specified control settings for the simulated controller and specified operational scenarios for the simulated machine controlled by the simulated controller, to generate a Pareto frontier-based solution space relating performance of the simulated machine to settings of the simulated controller, including adjustment to the operational scenarios to represent a fault condition of the simulated machine. Control settings of the actual controller are adjusted, represented by the simulated controller, for controlling the actual machine, represented by the simulated machine, in response to a fault condition of the actual machine, based on the Pareto frontier-based solution space, to maximize desirable operational conditions and minimize undesirable operational conditions while operating the actual machine in a region of the solution space defined by the Pareto frontier.

Goebel, Kai Frank (Inventor); Subbu, Rajesh Venkat (Inventor); Rausch, Randal Thomas (Inventor); Frederick, Dean Kimball (Inventor)

2011-01-01

446

Final Environmental Impact Statement for the construction and operation of Claiborne Enrichment Center, Homer, Louisiana (Docket No. 70-3-70). Volume 2, Public comments and NRC response  

SciTech Connect

The Final Environmental Impact Statement (FEIS) (Volume 1), was prepared by the Nuclear Regulatory Commission (NRC) in accordance with regulation 10 CFR Part 51, which implements the National Environmental Policy Act (NEPA), to assess the potential environmental impacts for licensing the construction and operation of a proposed gaseous centrifuge enrichment facility to be built in Claiborne Parish, Louisiana by Louisiana Energy Services, L.P. (LES). The proposed facility would have a production capacity of about 866 metric tons annually of up to 5 weight percent enriched UF{sub 6}, using a proven centrifuge technology. Included in the assessment are co on, both normal operations and potential accidents (internal and external events), and the eventual decontamination and decommissioning of the site. In order to help assure that releases from the operation of the facility and potential impacts on the public are as low as reasonably achievable, an environmental monitoring program was developed by LES to detect significant changes in the background levels of uranium around the site. Other issues addressed include the purpose and need for the facility, the alternatives to the proposed action, potential disposition of the tails, the site selection process, and environmental justice. The NRC staff concludes that the facility can be constructed and operated with small and acceptable impacts on the public and the environment, and proposes to issue a license to the applicant, Louisiana Energy Services, to authorize construction and operation of the proposed facility. The letters in this Appendix have been divided into three sections. Section One contains letters to which the NRC responded by addressing specific comments. Section Two contains the letters that concerned the communities of Forest Grove and Center Springs. Section Three is composed of letters that required no response. These letters were generally in support of the facility.

Zeitoun, A. [Science Applications International Corp., Germantown, MD (United States)

1994-08-01

447

[Operation/Maintenance of Fiber Placement Machine  

NASA Technical Reports Server (NTRS)

NASA contract NAS8-39749 was completed in January 2000. The contract period of performance covered six (6) years and included basic program technical support as required by NASA with up to thirty (30) different technical directives identified and issued by NASA for specific Advanced Composite Technology tasks during the course of the contract.

Pelham, L.; Dillard, T.

2000-01-01

448

Parallel Kinematic Machines (PKM)  

SciTech Connect

The purpose of this 3-year cooperative research project was to develop a parallel kinematic machining (PKM) capability for complex parts that normally require expensive multiple setups on conventional orthogonal machine tools. This non-conventional, non-orthogonal machining approach is based on a 6-axis positioning system commonly referred to as a hexapod. Sandia National Laboratories/New Mexico (SNL/NM) was the lead site responsible for a multitude of projects that defined the machining parameters and detailed the metrology of the hexapod. The role of the Kansas City Plant (KCP) in this project was limited to evaluating the application of this unique technology to production applications.

Henry, R.S.

2000-03-17

449

Asymmetric universal entangling machine  

E-print Network

We give a definition of asymmetric universal entangling machine which entangles a system in an unknown state to a specially prepared ancilla. The machine produces a fixed state-independent amount of entanglement in exchange to a fixed degradation of the system state fidelity. We describe explicitly such a machine for any quantum system having $d$ levels and prove its optimality. We show that a $d^2$-dimensional ancilla is sufficient for reaching optimality. The introduced machine is a generalization to a number of widely investigated universal quantum devices such as the symmetric and asymmetric quantum cloners, the symmetric quantum entangler, the quantum information distributor and the universal-NOT gate.

Dmitri Horoshko; Mikhail Kolobov; Sergei Kilin

2004-12-23

450

What Can Turing Machines Do? How powerful are Turing machines?  

E-print Network

1 What Can Turing Machines Do? How powerful are Turing machines? Turing machines can accept any regular or context- free language. Turing machines can perform basic arithmetic computations. Sequencing can be implemented on Turing ma- chines. Subroutine calls can be implemented on Turing machines

Bylander, Tom

451

Circular tests for HSM machine tools: Bore machining application  

E-print Network

Circular tests for HSM machine tools: Bore machining application Abstract: Today's High was ultimately validated on a bore machining simulation. Keywords: circular interpolation, HSM, kinematic machine machining features can be extracted [3] [4] such as bores, holes, drillings, tapered holes and planes

Paris-Sud XI, Université de

452

Analysis of Machining Stability for a Parallel Machine Tool  

Microsoft Academic Search

Machine tool chatter is a self-excited vibration generated by chip thickness variation. It severely degrades the quality of the machined surface. The incidence of chatter is greatly affected by the dynamic characteristics of machine tool structure. This article extends chatter stability analysis to a machine tool equipped with a parallel mechanism. The vibration model of a parallel machine tool is

D. Hong; S. Kim; W. C. Choi; J.-B. Song

2003-01-01

453

Diamond machine tool face lapping machine  

DOEpatents

An apparatus for shaping, sharpening and polishing diamond-tipped single-point machine tools. The isolation of a rotating grinding wheel from its driving apparatus using an air bearing and causing the tool to be shaped, polished or sharpened to be moved across the surface of the grinding wheel so that it does not remain at one radius for more than a single rotation of the grinding wheel has been found to readily result in machine tools of a quality which can only be obtained by the most tedious and costly processing procedures, and previously unattainable by simple lapping techniques.

Yetter, H.H.

1985-05-06

454

Cost Effective Machining Of Ceramics (CEMOC)  

SciTech Connect

The purpose of the CEMOC program was to support U.S. industry needs in fabricating precision components, from difficult to machine materials, while maintaining and enhancing the precision manufacturing skills of the Oak Ridge Complex. Oak Ridge and partner company personnel worked in a team relationship wherein each contributed equally to the success of the program. In general, Oak Ridge contributed a wider range of expertise to a given task while the companies provided operations-specific equipment and shop-floor services. Process control technologies, machining procedures and parameters, and coolant-related environmental tasks were the primary focus areas. The companies were very pleased with the results of the CRADAs and are planning on continuing the relationships. Finish machining operations contribute the majority of the costs associated with fabricating high quality ceramic products. These components are typically used in harsh environments such as diesel engines, defense machinery, and automotive components. The required finishing operations involve a variety of technologies including process controls, machine coolants, product certification, etc. and are not limited only to component grinding methods. The broad range of manufacturing problem solving expertise available in Oak Ridge provided resources that were far beyond what are typically available to the CRADA partners. These partners contributed equipment, such as state-of-the-art machine tools, and operation-specific experience base. In addition, addressing these challenging tasks enabled Oak Ridge personnel to maintain familiarity with rapidly advancing technologies, such as those associated with computer control systems.

Barkman, W.E.

1997-04-18

455

Final Report: Baseline Selenium Monitoring of Agricultural Drains Operated by the Imperial Irrigation District in the Salton Sea Basin, California  

USGS Publications Warehouse

This report summarizes comprehensive findings from a 4-year-long field investigation to document baseline environmental conditions in 29 agricultural drains and ponds operated by the Imperial Irrigation District along the southern border of the Salton Sea. Routine water-quality collections and fish community assessments were conducted on as many as 16 sampling dates at roughly quarterly intervals from July 2005 to April 2009. The water-quality measurements included total suspended solids and total (particulate plus dissolved) selenium. With one exception, fish were surveyed with baited minnow traps at quarterly intervals during the same time period. However, in July 2007, fish surveys were not conducted because we lacked permission from the California Department of Fish and Game for incidental take of desert pupfish (Cyprinodon macularius), an endangered species. During April and October 2006-08, water samples also were collected from seven intensively monitored drains (which were selected from the 29 total drains) for measurement of particulate and dissolved selenium, including inorganic and organic fractions. In addition, sediment, aquatic food chain matrices [particulate organic detritus, filamentous algae, net plankton, and midge (chironomid) larvae], and two fish species (western mosquitofish, Gambusia affinis; and sailfin molly, Poecilia latipinna) were sampled from the seven drains for measurement of total selenium concentrations. The mosquitofish and mollies were intended to serve as surrogates for pupfish, which we were not permitted to sacrifice for selenium determinations. Water quality (temperature, dissolved oxygen, pH, specific conductance, and turbidity) values were typical of surface waters in a hot, arid climate. A few drains exhibited brackish, near-anoxic conditions, especially during summer and fall when water temperatures occasionally exceeded 30 degrees Celsius. Total selenium concentrations in water were directly correlated with salinity and inversely correlated with total suspended-solids concentrations. Although pupfish were found in several drains, sometimes in relatively high numbers, the fish faunas of most drains and ponds were dominated by nonnative species, especially mosquitofish, mollies, and red shiner (Cyprinella lutrensis). Dissolved selenium in water samples from the seven intensively monitored drains ranged from 0.700 to 32.8 micrograms per liter (?g/L), with selenate as the major constituent. Selenium concentrations in other matrices varied widely among drains and ponds, with one drain (Trifolium 18) exhibiting especially high concentrations in food chain matrices [particulate organic detritus, 5.98-58.0 micrograms of selenium per gram (?g Se/g); midge larvae, 12.7-50.6 ?g Se/g] and in fish (mosquitofish, 13.2-20.2 ?g Se/g; sailfin mollies, 12.8-30.4 ?g Se/g; all concentrations are based on dry weights). Although selenium was accumulated by all trophic levels, biomagnification (defined as a progressive increase in selenium concentration from one trophic level to the next higher level) in midge larvae and fish occurred only at lower exposure concentrations. Judging mostly from circumstantial evidence, the health and wellbeing of poeciliids and pupfish are not believed to be threatened by ambient exposure to selenium in the drains and ponds.

Saiki, Michael K.; Martin, Barbara A.; May, Thomas W.

2010-01-01

456

GAMMA: a high performance dataflow database machine  

SciTech Connect

In this paper, the design, implementation techniques, and initial performance evaluation of Gamma are presented. Gamma is a new relational database machine that exploits dataflow query processing techniques. Ganma is a fully operational prototype consisting of 20 VAX 11/750 computers. The design of Gamma is based on an earlier multiprocessor database machine prototype (DIRECT) and several years of subsequent research on the problems raised by the DIRECT prototype. In addition to demonstrating that parallelism can really be made to work in a database machine context, the Gamma prototype shows how parallelism can be controlled with minimal control overhead through a combination of the use of algorithms based on hashing and the pipelining of data between processes. Except for 2 messages to initiate each operator of a query tree and 1 message when the operator terminates, the execution of a query is entirely self-scheduling. 52 refs., 12 figs.

DeWitt, D.J.; Gerber, R.H.; Graefe, G.; Heytens, M.L.; Kumar, K.B.; Muralikrishna, M.

1986-03-01

457

Lecture outline Support vector machines  

E-print Network

Lecture outline · Support vector machines #12;Support Vector Machines · Find a linear hyperplane (decision boundary) that will separate the data #12;Support Vector Machines · One Possible Solution #12;Support Vector Machines · Another possible solution #12;Support Vector Machines · Other possible solutions

Terzi, Evimaria

458

Lecture outline Support vector machines  

E-print Network

Lecture outline · Support vector machines #12;Support Vector Machines · Find a linear hyperplane (decision boundary) that will separate the data #12;Support Vector Machines · One Possible Solution B1 #12;Support Vector Machines · Another possible solution B2 #12;Support Vector Machines · Other possible

Terzi, Evimaria

459

Operation of beam line facilities for real-time x-ray studies at Sector 7 of the advanced photon source. Final Report  

SciTech Connect

This Final Report documents the research accomplishments achieved in the first phase of operations of a new Advanced Photon Source beam line (7-ID MHATT-CAT) dedicated to real-time x-ray studies. The period covered by this report covers the establishment of a world-class facility for time-dependent x-ray studies of materials. During this period many new and innovative research programs were initiated at Sector 7 with support of this grant, most notably using a combination of ultrafast lasers and pulsed synchrotron radiation. This work initiated a new frontier of materials research: namely, the study of the dynamics of materials under extreme conditions of high intensity impulsive laser irradiation.

Clarke, Roy

2003-09-10

460

Frozen beverage machine  

SciTech Connect

A frozen beverage machine is described, comprising: a. a frame having an exterior, an interior, a front and a back; b. a cylinder, having an interior and an exterior as well as first and second ends and further having an opening in each of the ends, the cylinder being horizontally and fixedly positioned within the interior of the frame with the second end facing the front of the frame; c. a means, sealingly attached to the opening in the second end of the cylinder, for emptying the cylinder; d. a means, positioned within the frame and communicating with the exterior of the cylinder, for removing heat from the cylinder; e. at least one support bracket; f. a shaft, rotatably attached within the opening in the support bracket and rotatably and sealingly attached within the opening in the first end of the cylinder and extending to the interior of the cylinder; g. a motor assembly, operatively connected to a portion of the shaft exterior to the cylinder and suspended from the shaft such that the weight of the motor assembly is supported only by the shaft; h. a contact switch; and i. a resilient means, connected to the frame and the motor assembly, for maintaining the position of the motor assembly relative to the shaft until a desired threshold resistance to rotation of the shaft within the cylinder occur, and then allowing the motor assembly to rotate to a desired position relative to the shaft.

Williams, J.D.

1988-04-12

461

Size reduction machine  

SciTech Connect

The Size Reduction Machine (SRM) is a mobile platform capable of shearing various shapes and types of metal components at a variety of elevations. This shearing activity can be performed without direct physical movement and placement of the shear head by the operator. The base unit is manually moved and roughly aligned to each cut location. The base contains the electronics: hydraulic pumps, servos, and actuators needed to move the shear-positioning arm. The movable arm allows the shear head to have six axes of movement and to cut to within 4 inches of a wall surface. The unit has a slick electrostatic capture coating to assist in external decontamination. Internal contamination of the unit is controlled by a high-efficiency particulate air (HEPA) filter on the cooling inlet fan. The unit is compact enough to access areas through a 36-inch standard door opening. This paper is an Innovative Technology Summary Report designed to provide potential users with the information they need to quickly determine if a technology would apply to a particular environmental management problem. They also are designed for readers who may recommend that a technology be considered by prospective users.

Fricke, V.

1999-12-15

462

14. Interior, Machine Shop, Roundhouse Machine Shop Extension, Southern Pacific ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

14. Interior, Machine Shop, Roundhouse Machine Shop Extension, Southern Pacific Railroad Carlin Shops, view to north (90mm lens). - Southern Pacific Railroad, Carlin Shops, Roundhouse Machine Shop Extension, Foot of Sixth Street, Carlin, Elko County, NV

463

Technique for Machining Glass  

NASA Technical Reports Server (NTRS)

Process for machining glass with conventional carbide tools requires a small quantity of a lubricant for aluminum applied to area of glass to be machined. A carbide tool is then placed against workpiece with light pressure. Tool is raised periodically to clear work of glass dust and particles. Additional lubricant is applied as it is displaced.

Rice, S. H.

1982-01-01

464

Imagining machines with imagination  

Microsoft Academic Search

The author reviews and comments upon George Morton's predictive paper “Machines with Imagination”. He argues that Morton's paper demonstrates a significant insight into the progress of machine intelligence, particularly because that progress was hardly accomplished in a linear progression of systematic advances. Indeed, the forecasts laid down in Morton's paper have become pertinent only after a series of relative failures

DAVID B. FOGEL

2000-01-01

465

Simple Machines Made Simple.  

ERIC Educational Resources Information Center

Simple machines have become a lost point of study in elementary schools as teachers continue to have more material to cover. This manual provides hands-on, cooperative learning activities for grades three through eight concerning the six simple machines: wheel and axle, inclined plane, screw, pulley, wedge, and lever. Most activities can be…

St. Andre, Ralph E.

466

Cellular Multihead Turing Machine.  

National Technical Information Service (NTIS)

The Turing machine is a mathematical model for describing procedures. It can do any calculation that can be done by modern day computers. One disadvantage of the Turing machine is its very slow speed. One way to increase the speed is to increase the numbe...

L. Librizzi

1970-01-01

467

The Chemical Abstract Machine  

Microsoft Academic Search

We introduce a new kind of abstract machine based on the chemical metaphor used in the ? language of Banâtre & al. States of a machine are chemical solutions where floating molecules can interact according to reaction rules. Solutions can be stratified by encapsulating subsolutions within membranes that force reactions to occur locally. We illustrate the use of this model

Gérard Berry; Gérard Boudol

1990-01-01

468

Problem-Solving at a Circuit-Board Assembly Machine: A Microanalysis.  

ERIC Educational Resources Information Center

A study described machine operators' problem-solving actions at a computerized circuit-board assembly machine in a small manufacturing plant located on the West Coast. Participants were a machine operator and his supervisor, both from Vietnam, who were building large prototype boards for a major computer corporation. Over a 6.5 minute interval,…

Kleifgen, Jo Anne; Frenz-Belken, Patricia

469

From Reduction Machines To Narrowing Machines  

Microsoft Academic Search

Narrowing, the evaluation mechanism of functional logic languages, can be seen as a generalizationof reduction, the evaluation mechanism of purely functional languages. The unidirectionalpattern matching, which is used for parameter passing in functional languages, is simplyreplaced by the bidirectional unification known from logic programming languages. We showin this paper, how to extend a reduction machine, that has been designed for

Rita Loogen; RWTH Aachen

1991-01-01

470

Project Plan for Vertical Lift Machine  

SciTech Connect

This document describes the Project Plan for the development and manufacture of a Vertical Lift Machine. It is assumed by this project plan that the Vertical Lift Machine will be developed, designed, manufactured, and tested by a qualified vendor. LLNL will retain review and approval authority for each step given in this project plan. The Vertical Lift Machine is a single linear axis positioning device capable of lifting objects vertically at controlled rates and positioning them repeatedly at predetermined heights, in relation to other objects suspended from above, for high neutron multiplication experiments. Operation of the machine during the experiments is done remotely. The lift mechanism shall accommodate various platforms (tables) that support the objects to be raised. A frame will support additional subassemblies from above such that the lower subassembly can be raised close to and/or interface with those above. The structure must be stiff and motion of the table linear such that radial alignment is maintained (e.g. concentricity). The safe position for the Vertical Lift Machine is the lift mechanism fully retracted with the subassemblies fully separated. The machine shall reside in this position when not in use. It must return to this safe condition from any position upon failure of power sources, open safety interlocks, or operator initiated SCRAM. The Vertical Lift Machine shall have the capability of return to the safe position with no externally applied power. The Vertical Lift Machine shall have dual operator interfaces, one near the machine and another located in a remote control room. Conventional single key, key-lock switching shall be implemented to lock out the control interface not in use. The interface at the machine will be used for testing and ''dry running'' experimental setup(s) with inert subassemblies (i.e. Setup Mode). The remote interface shall provide full control and data recording capability (i.e. Assembly Mode). The control system will be a combination of Programmable Logic Controller (PLC), or equivalent, and relay logic. The operator shall have the ability to adjust lift/lower velocity and position of the table. All measurements will be made as close to, and in line with, the axis of motion as practical. Measurement data, system parameter information, and interlock status shall be displayed.

Ellsworth, G F

2002-08-05

471

On parallel machine scheduling 1  

E-print Network

On parallel machine scheduling 1 machines with setup times. The setup has to be performed by a single server. The objective is to minimize even for the case of two identical parallel machines. This paper presents a pseudopolynomial

Magdeburg, Universität

472

Final environmental assessment and Finding-of-No-Significant-Impact - drum storage facility for interim storage of materials generated by environmental restoration operations  

SciTech Connect

The Department of Energy (DOE) has prepared an Environmental Assessment (EA), DOE/EA-0995, for the construction and operation of a drum storage facility at Rocky Flats Environmental Technology Site, Golden, Colorado. The proposal for construction of the facility was generated in response to current and anticipated future needs for interim storage of waste materials generated by environmental restoration operations. A public meeting was held on July 20, 1994, at which the scope and analyses of the EA were presented. The scope of the EA included evaluation of alternative methods of storage, including no action. A comment period from July 5, 1994 through August 4, 1994, was provided to the public and the State of Colorado to submit written comment on the EA. No written comments were received regarding this proposed action, therefore no comment response is included in the Final EA. Based on the analyses in the EA, DOE has determined that the proposed action would not significantly affect the quality of the human environment within the meaning of the National Environmental Policy Act of 1969 (NEPA). Therefore, preparation of an Environmental Impact Statement is not required and the Department is issuing this Finding of No Significant Impact.

Not Available

1994-09-01

473

Bandwidth and Routing Assignment for Virtual Machine Migration in Photonic Cloud Networks  

E-print Network

Bandwidth and Routing Assignment for Virtual Machine Migration in Photonic Cloud Networks Uttam the bandwidth and routing assignment problem for virtual machine migrations with dura- tion and downtime respecting migration constraints. Introduction Exploiting cloud infrastructures is becoming the oper- ational

California at Davis, University of

474

SPHERE eXtreme AO control scheme: final performance assessment and on sky validation of the first auto-tuned LQG based operational system  

NASA Astrophysics Data System (ADS)

The SPHERE (Spectro-Polarimetry High-contrast Exoplanet Research) instrument is an ESO project aiming at the direct detection of extra-solar planets. SPHERE has been successfully integrated and tested in Europe end 2013 and has been re-integrated at Paranal in Chile early 2014 for a first light at the beginning of May. The heart of the SPHERE instrument is its eXtreme Adaptive Optics (XAO) SAXO (SPHERE AO for eXoplanet Observation) subsystem that provides extremely high correction of turbulence and very accurate stabilization of images for coronagraphic purpose. However, SAXO, as well as the overall instrument, must also provide constant operability overnights, ensuring robustness and autonomy. An original control scheme has been developed to satisfy this challenging dichotomy. It includes in particular both an Optimized Modal Gain Integrator (OMGI) to control the Deformable Mirror (DM) and a Linear Quadratic Gaussian (LQG) control law to manage the tip-tilt (TT) mirror. LQG allows optimal estimation and prediction of turbulent angle of arrival but also of possible vibrations. A specific and unprecedented control scheme has been developed to continuously adapt and optimize LQG control ensuring a constant match to turbulence and vibrations characteristics. SPHERE is thus the first operational system implementing LQG, with automatic adjustment of its models. SAXO has demonstrated performance beyond expectations during tests in Europe, in spite of internal limitations. Very first results have been obtained on sky last May. We thus come back to SAXO control scheme, focusing in particular on the LQG based TT control and the various upgrades that have been made to enhance further the performance ensuring constant operability and robustness. We finally propose performance assessment based on in lab performance and first on sky results and discuss further possible improvements.

Petit, C.; Sauvage, J.-F.; Fusco, T.; Sevin, A.; Suarez, M.; Costille, A.; Vigan, A.; Soenke, C.; Perret, D.; Rochat, S.; Barrufolo, A.; Salasnich, B.; Beuzit, J.-L.; Dohlen, K.; Mouillet, D.; Puget, P.; Wildi, F.; Kasper, M.; Conan, J.-M.; Kulcsár, C.; Raynaud, H.-F.

2014-08-01

475

The Basic Anaesthesia Machine  

PubMed Central

After WTG Morton's first public demonstration in 1846 of use of ether as an anaesthetic agent, for many years anaesthesiologists did not require a machine to deliver anaesthesia to the patients. After the introduction of oxygen and nitrous oxide in the form of compressed gases in cylinders, there was a necessity for mounting these cylinders on a metal frame. This stimulated many people to attempt to construct the anaesthesia machine. HEG Boyle in the year 1917 modified the Gwathmey's machine and this became popular as Boyle anaesthesia machine. Though a lot of changes have been made for the original Boyle machine still the basic structure remains the same. All the subsequent changes which have been brought are mainly to improve the safety of the patients. Knowing the details of the basic machine will make the trainee to understand the additional improvements. It is also important for every practicing anaesthesiologist to have a thorough knowledge of the basic anaesthesia machine for safe conduct of anaesthesia. PMID:24249876

Gurudatt, CL

2013-01-01

476

Operation Crossroads-1946. Final report  

SciTech Connect

Crossroads was the first peacetime nuclear weapons test series. It was conducted at Bikini Atoll in 1946. Report emphasis is on the radiological safety of the personnel. Available records on personnel exposure are summarized.

Berkhouse, L.; Hallowell, J.H.; McMullan, F.W.; Davis, S.E.; Jones, C.B.

1984-05-01

477

Sustainment Operations Team Final Report  

E-print Network

Improvement of Mission Capable Rate (MCR) depends on factors such as transportation & logistics, resource loading & scheduling, and Available Parts & materials (AP&M). As shown in Figure 1, AP&M is a function of forecasting ...

Harris, Wesley

478

Virtual Turing Machine 2  

NSDL National Science Digital Library

A Turing machine is theoretical computer consisting of a finite set of internal states, a finite alphabet that includes a blank symbol, and a finite set of instructions. It has a physical head and a physical infinitely long tape, which is divided into cells. The cell values consist of the alphabet. The tape has a finite number of non-blank cells. The head can read and write to the cells and move the tape one cell to the left and one cell to the right. The Virtual Turing Machine lets you input tape values and an instruction set to see the output of a turing machine.

Ming, Paul R.

479

An application of Laplace transforms to a machine maintenance problem  

E-print Network

during the down period. If a system of machines is characterized by the Poisson arrival times and exponential holding time, then, the system satisfies the following conditions: (1) If a machine is operative at time t, then the probability of its... failure before time i+h is kh. (2) If a machine is not operative at time t, then the probability of it being operative before time t + h is ph. (3) If y(h) is the probability of more than one failure or repair between t and t + h then 1im 1 hmo h ? y...

Boone, James Robert

2012-06-07

480

Theory of Molecular Machines. I. Channel Capacity of Molecular Machines  

E-print Network

Theory of Molecular Machines. I. Channel Capacity of Molecular Machines running title: Channel Capacity of Molecular Machines Thomas D. Schneider version = 5.76 of ccmm.tex 2004 Feb 3 Version 5.67 was submitted 1990 December 5 Schneider, T. D. (1991). Theory of molecular machines. I. Channel capacity

Schneider, Thomas D.