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A multi-objective model for optimizing the redundancy allocation, component supplier selection, and reliable activities for multi-state systems
, Article Reliability Engineering and System Safety ; Volume 222 , 2022 ; 09518320 (ISSN) ; Sharifi, M ; Pourkarim Guilani, P ; Taghipour, S ; Akhavan Niaki, S. T ; Sharif University of Technology
Elsevier Ltd
2022
Abstract
This paper presents a multi-objective availability-redundancy allocation optimization model for a hyper-system. The hyper-system consists of B systems with shared resources. The structure of the systems is series-parallel subsystems consisting of multi-failure and multi-state components. The components may be purchased from different suppliers based on their price and discounts. It is assumed that technical and organizational activities continuously affect the components' failure rates and the subsystems' working conditions before starting the system's mission horizon. The model aims to find the optimal number and the type of the subsystems' components for all systems from each supplier and...