NDLI: Extended behavioral decomposition for estimating ultrahigh reliability

Content Provider	IEEE Xplore Digital Library
Author	Geist, R.
Copyright Year	1963
Abstract	Limitations of some analytic techniques in approximating the reliability of life-critical electronic systems are discussed, and a framework for the specification of recovery and fault- handling submodels is suggested. The framework makes full use of the instantaneous jump theorem by viewing the collection of interfering, premature exits from any fault handling and recovery submodel as defining a new, competing process submodel. This approach allows a greater flexibility in submodel representation, since submodels may contain arbitrary entrance arcs, exit arcs, and competing, interfering transitions with arbitrary destinations. Since the effects of near-coincident faults need not be represented as system failure events, reliability estimates produced by this approach need not be unduly conservative. Comparisons on small models, where exact results can be computed, show substantial improvement in accuracy over earlier techniques. Implementation of the technique in an X Windows-based system, XHARP, is described. The dual top-down/bottom-up interface of XHARP provides added flexibility by allowing an automated behavioral decomposition that is based on the suggested framework.<>
Sponsorship	IEEE Reliability Society
Starting Page	22
Ending Page	28
Page Count	7
File Size	615887
File Format	PDF
ISSN	00189529
Volume Number	40
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reliability theory Predictive models Life estimation State estimation System performance System recovery Joining processes
Content Type	Text
Resource Type	Article
Subject	Safety, Risk, Reliability and Quality Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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