Uses parallelism to increase computation power as well as for fault ... A demonstrator of a fault tolerance methodology that can achieve a hardware ...
NASA Website
... Page 3. The ISIS Project: Real experience with a fault tolerant ... menting ISIS? because its effect can be achieved by the subset mul- ticast feature. ...
DTIC Science & Technology
Assumptions useful for fault tolerant quantum computing are stated and briefly discussed. We focus on assumptions related to properties of the computational system. The strongest form of the assumptions seems to be sufficient for achieving highly fault tolerant quantum computation. We discuss ...
Energy Citations Database
The objective of the AIPS program is to achieve a validated fault tolerant distributed computer system. The goals of the AIPS fault injection study were: (1) to present the fault injection study components addressing the AIPS validation objective; (2) to ...
National Technical Information Service (NTIS)
This paper describes an algorithm called RAFT (recursive algorithm for fault tolerance) for achieving fault tolerance in multiprocessor systems. Through the use of a combination of dynamic space and time redundancy techniques, RAFT achieves fault ...
In this paper, we propose an approach for achieving detection and identification of faults, and provide fault tolerant control for systems that are modeled using timed hybrid Petri nets. For this purpose, an observer based technique is adopted which is useful in detection of faults, such as ...
PubMed
... It is easily achieved using a periodic ... words. The I/O space address and the corresponding functions are shown in Table 15. Page 76. 56 ...
acknowledgment messages and other flow-control messages as much as possible. Fault tolerance in the IN canFault-tolerant cache coherence protocols for CMPs: evaluation and trade-offs Ricardo Fern coherence protocol. Fault tolerance at the level of the cache coherence protocol has been proven to ...
E-print Network
For survival and achieving reliability in ultra long-life missions, fault tolerant design techniques
NASA Technical Reports Server (NTRS)
Mar 1, 2011 ... This paper discusses the DSPM concept for achieving fault tolerance and provides a brief description of the mechanization of both the ...
... with regard to their suitability for providing fault tolerance for ... UNITED KINGDOM, RELIABILITY, TOLERANCE, FAULTS, SIGNAL PROCESSING ...
A programmable signal processor which achieves fault tolerance and modularity through distribution of tasks among a number of identical programmable Common Elements including spares, is described. This processor's design and usage in a meteorological Dopp...
An Ultrareliable, Fault-Tolerant, Control-System (UFTCS) concept is described using a systems design philosophy which allows development of system structures containing virtually no common elements. Common elements limit achievable system reliability and ...
An increasing national priority on quality in product design and manufacturing requires new understanding to achieve significant advancement. Fault-tolerant control, a discipline capable of high-level decision making and task execution, is a necessary com...
This paper presents a quantitative reliability analysis of a system designed to tolerate both hardware and software faults. The system being studied achieves integrated fault tolerance by implementing N-Version Programming (NVP) on redundant hardware. The analysis of the system considers ...
The objectives of this study are to (1) assess the current state of the art of fault tolerant software schemes, (2) evaluate the status of various software engineering issues in this context, (3) identify critical gaps in the currently available technology and, (4) provide recommendations for research and development efforts to enhance the technological ...
We investigate an integrated approach to fault tolerance and dynamic power management in real-time embedded systems. Fault tolerance is achieved via checkpointing and power management is carried out using dynamic voltage scaling (DVS). We present feasibil...
The FTMP (Fault-Tolerant Multiprocessor) is one of two central aircraft fault-tolerant architectures
... develop an Embedded Fault-Tolerant ... Descriptors : *COMPUTER PROGRAMS, FAULT TOLERANT COMPUTING, EMBEDDING, OFF ...
... with the wealth of communication links in the ... We demonstrate the fault tolerance capability by introducing ... may be used to tolerate faults during the ...
Feb 1, 1999 ... Fault tolerant design provides a means to achieve a balanced project ... qualification testing, life demonstration, quality control, etc., ...
... behavior-based, fully distributed architecture, called ALLIANCE, that utilizes adaptive action selection to achieve fault tolerant cooperative control. ...
The clock synchronization system has four nodes and uses a fully connected point -to-point ... of frames since the system first achieved synchronization. ...
In the future, aircraft employing active control technology must use highly reliable multiprocessors in order to achieve flight safety. Such computers must be experimentally validated before they are deployed. This project outlines a methodology for doing...
Systolic arrays are a popular model for the implementation of highly parallel VLSI systems. In this paper interstitial fault tolerance (IFT), a technique for incorporating fault tolerance into systolic arrays in a natural manner, is discussed. IFT can be used for reliable computation or for yield enhancement. ...
In recent years, control system reliability has received much attention with increase of situations where computer-controlled systems such as robot control systems are used. In order to improve reliability, control systems need to have abilities to detect a fault (fault detection) and maintain the stability and the control performance ...
NASA Astrophysics Data System (ADS)
In this paper, fault tolerant synchronization of chaotic gyroscope systems versus external disturbances via Lyapunov rule-based fuzzy control is investigated. Taking the general nature of faults in the slave system into account, a new synchronization scheme, namely, fault tolerant ...
A systematic procedure for the synthesis of fault tolerant control laws to actuator failure has been
... Descriptors : *SOFTWARE ENGINEERING, *KNOWLEDGE BASED SYSTEMS, *FAULT TOLERANT ... REDUNDANT COMPONENTS. ...
The reliability of voting was evaluated in a fault-tolerant software system for small output spaces.
