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Optimal spare allocation problem based on the interval estimate of availability

✍ Scribed by Shigeru Yanagi; Kazuhiko Aso; Masafumi Sasaki

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
500 KB
Volume
24
Category
Article
ISSN
0925-5273

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✦ Synopsis

The purpose of this paper is to discuss the optimal spare allocation when the distribution of failure-free operating time is known to be exponential and the only unknown quantity is a failure rate, which needs to be estimated from the results of a reliability test. In this paper, the failure rates of units in a system are treated as random variables, and their distributions are obtained using the Bayesian approach. Then the distribution of availability is derived. Finally, the optimal spare allocation problem is formulated using the interval estimate of availability.

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