Heterogeneous standby systems with shocks-driven preventive replacements

Gregory Levitin, Maxim Finkelstein and Yuanshun Dai

European Journal of Operational Research, 2018, vol. 266, issue 3, 1189-1197

Abstract: The paper considers heterogeneous 1-out-of-N warm standby systems when all components can experience internal failures and operating components are exposed to external shocks. The components’ resilience to shocks decreases with the number of experienced shocks. A preventive replacement policy when the operating component is replaced after it survives a certain number of shocks is considered. A numerical algorithm for evaluating the expected mission costs and the mission success probability is suggested. An optimization problem for a replacement policy that minimizes the expected mission cost providing a desired level of a mission success probability is formulated and solved. Illustrative examples are provided.

Keywords: Reliability; Random shocks; Standby system; Preventive replacement; Optimization (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:266:y:2018:i:3:p:1189-1197

DOI: 10.1016/j.ejor.2017.11.002

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