Efficient reliability analysis of dynamic k-out-of-n heterogeneous phased-mission systems

Chaonan Wang, Liudong Xing, Suprasad V. Amari and Bo Tang

Reliability Engineering and System Safety, 2020, vol. 193, issue C

Abstract: In this paper, an efficient analytical modeling method is proposed for reliability analysis of k-out-of-n phased-mission systems (PMSs). A PMS is a system involving multiple, consecutive and non-overlapping phases of tasks during its mission, which abounds in complex technological systems such as aerospace systems, nuclear power plants, and high-performance computing systems. Due to dynamics in the system configuration and component behavior as well as statistical dependences across phases, exact reliability evaluation of a PMS is a time-consuming and complicated task. This paper proposes a new efficient multi-valued decision diagram (MDD) based method for the reliability analysis of a special class of non-repairable PMSs called k-out-of-n PMS where the same number of components n is involved in all the phases but the required number of working components k may vary from phase to phase. Particularly, a new MDD generation method is proposed for a fast construction of the PMS MDD model. The system components are not necessarily identical; they can be heterogeneous in their failure time distributions. Examples are provided to demonstrate the application and advantages of the proposed methodology.

Keywords: Multi-valued decision diagram; Phased-mission system; k-out-of-n configuration; Reliability analysis (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (17)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:193:y:2020:i:c:s0951832019300493

DOI: 10.1016/j.ress.2019.106586

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