Stochastic modeling for systems with delayed failures
- 주제(키워드) Defect , Delayed failures , Fast repair approximation , Repairable system , Survival probability
- 등재 SCIE, SCOPUS
- 발행기관 Elsevier Ltd
- 발행년도 2019
- URI http://www.dcollection.net/handler/ewha/000000160120
- 본문언어 영어
- Published As http://dx.doi.org/10.1016/j.ress.2019.03.017
초록/요약
We present stochastic description for repairable systems with delayed failures. Initial defects in a system result in its failure only after some delay. Specifically, it happens in repairable systems when the defects are not repaired within some period of time that can be either deterministic or random. Therefore, operation of a system is described by the corresponding terminating renewal process. We derive and analyze relationships for the survival probability and the mean time to failure for these systems. The results are derived in the form of the corresponding Laplace transforms that are numerically inverted for illustrative examples. Simple fast repair approximations are considered and their accuracy is also discussed. © 2019 Elsevier Ltd
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