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A simple method for obtaining approximate system failure rate uncertainty distributions

โœ Scribed by Lloyd L. Philipson

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
551 KB
Volume
25
Category
Article
ISSN
0951-8320

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โœฆ Synopsis

An easy-to-use approximate method is described for deriving system failure rate distributions from component distributions which can be assumed to be gammas. The method is Bayesian in concept. It is intended for practical use by reliability engineers having available any form of prior information for defining each component's gamma distribution's parameters: two percentiles, one percentile and the mean (with qualifications), one percentile or the mean, and none at all (so that a non-informative prior applies). The method applies directly to series systems. It is also applicable to series-parallel systems (f component 'effective failure rates' can be assumed.

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โœ Howard A. Smolleck ๐Ÿ“‚ Article ๐Ÿ“… 1979 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 364 KB

Some results of recent investigations concerning the development of feasible computational techniques for modeling the timecurrent characteristics of commercial and industrial power-system protective devices (in particular, the molded-case circuit breaker) are presented. The unique problems encoun-.