Reliability analysis of circular multi-state sliding window system with sequential demands

Wei Wang, Yongnian Fu, Peng Si and Mingqiang Lin

Reliability Engineering and System Safety, 2020, vol. 198, issue C

Abstract: This paper proposes a new model of circular multi-state sliding window system with sequential demands. In this model the system consists of n mutually independent multi-state elements which are arranged along a circular path and fails if any r consecutive multi-state elements within the circle cannot meet the pre-determined sequential demands W. To evaluate the reliability of the proposed system, an algorithm based on an extended universal moment generating function is suggested and a method of reducing computational complexity is also provided. The element sequence strongly affects the reliability of the proposed circular multi-state sliding window system, therefore, the optimal element sequencing problem is formulated for the system and solved by using a genetic algorithm. Both analytical and numerical examples of evaluating system reliability are presented to illustrate the proposed model and the suggested algorithm.

Keywords: Circular multi-state sliding window system; Sequential demands; System reliability; Universal moment generating function; Sequencing optimization; Genetic algorithm (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:198:y:2020:i:c:s0951832019309731

DOI: 10.1016/j.ress.2020.106882

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