Redundancy allocation problem with a mix of components for a multi-state system and continuous performance level components

Mani Sharifi and Sharareh Taghipour

Reliability Engineering and System Safety, 2024, vol. 241, issue C

Abstract: This paper considered a new single-objective redundancy allocation problem with a mix of components (RAPMC) for a series-parallel system. The components are Binary-State Continuous Performance Level (BSCPL), which means each component has working or failed states, while the performance level of the components varies from its maximum performance level to zero. In RAPMC, the model can allocate a mix of components to each sub-system, so the model aims to maximize the system's availability during a fixed period of time by determining the optimal combination of the components in the sub-systems. The mathematical model of the system is presented in the first step. Then, a modified version of the universal generating function is proposed to calculate the sub-systems and the system's availability. Next, a novel genetic algorithm is adapted to solve the problem. Finally, the performance of the adapted GA is validated using the results of an exact method, Full enumeration. The adapted GA showed its applicability to solve the presented model in significantly low computational time.

Keywords: Redundancy allocation problem with a mix of components; Binary-state continuous performance level components; Modified universal generating function; Genetic algorithm (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:241:y:2024:i:c:s095183202300546x

DOI: 10.1016/j.ress.2023.109632

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