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A particle-based simplified swarm optimization algorithm for reliability redundancy allocation problems
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DOI：10.1016/j.ress.2015.06.002.png)
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Abstract
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This paper proposes a new swarm intelligence method known as the Particle-based Simplified Swarm Optimization (PSSO) algorithm while undertaking a modification of the Updating Mechanism (UM), called N-UM and R-UM, and simultaneously applying an Orthogonal Array Test (OA) to solve reliability-redundancy allocation problems (RRAPs) successfully. One difficulty of RRAP is the need to maximize system reliability in cases where the number of redundant components and the reliability of corresponding components in each subsystem are simultaneously decided with nonlinear constraints. In this paper, four REAP benchmarks are used to display the applicability of the proposed PSSO that advances the strengths of both PSO and SSO to enable optimizing the RRAP that belongs to mixed-integer nonlinear programming. When the computational results are compared with those of previously developed algorithms in existing literature, the findings indicate that the proposed PSSO is highly competitive and performs well. (C) 2015 Elsevier Ltd. All rights reserved.
Keywords:
Reliability
Redundancy allocation problem
PSO
SSO
Mixed-integer nonlinear programming
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