A new model of multi-objective redundancy allocation problem for multi-state systems

Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

IIEC10_162

تاریخ نمایه سازی: 10 شهریور 1393

Abstract:

Abstract— This paper involves developing a new model for the multi-state redundancy allocation problem of seriesparallel systems. The system consists of subsystems in series, where components are used in parallel for each subsystem. There are various types of components as candidates for allocation. These components are characterized by their cost, weight, and reliability. Besides, they have various levels of performance ranging from functioning perfectly to fail completely. The aim is to find the redundancy that minimizes the cost while maximizes the reliability. A NSGAII algorithm is used to solve the multi-objective problem, where the universal generating function for multi state components is used to obtain the reliability of a given system. In addition, a penalty function that encourages the solution algorithm to explore within infeasible solutions is proposed. At the end, a numerical example is used to validate the solution and to assess the performance of the proposed methodology under different configurations.

Authors

Mehdi Zarabian

Department of Industrial Engineering, Islamic Azad University, Qazvin Branch, Qazvin, Iran

Seyed Taghi Akhavan Niaki

Department of Industrial Engineering, Sharif University of Technology, Tehran, Iran

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