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http://dx.doi.org/10.7232/JKIIE.2014.40.1.118

Optimal Reliability Strategy for k-out-of-n System Considering Redundancy and Maintenance  

Lee, Youn-Ho (ILS(Integrated Logistics Support) R&D Lab, LIG Nex1)
Jung, Kwang-Kyun (ILS(Integrated Logistics Support) R&D Lab, LIG Nex1)
Yoon, Tae-Dong (ILS(Integrated Logistics Support) R&D Lab, LIG Nex1)
Kwon, Ki-Sang (ILS(Integrated Logistics Support) R&D Lab, LIG Nex1)
Publication Information
Journal of Korean Institute of Industrial Engineers / v.40, no.1, 2014 , pp. 118-127 More about this Journal
Abstract
The configuration such as series, parallel and k-out-of-n of a repairable system directly affects its reliability. The maintenance strategy can also affect the overall performance of the system. The objective of this work is to investigate the possible trade-off between the configuration of a repairable k-out-of-n system and its maintenance strategy. The redundancy is considered to be the design decision variables, whereas the preventive maintenance period is considered to be the maintenance decision variables. The optimization model is used to minimize the overall life cycle cost associated with the system, considering constraint on reliability. Finally, genetic algorithm is used to find the optimal values for the decision variables. The result is compared with optimal values for considering redundancy and maintenance respectively.
Keywords
Preventive Maintenance Period; Redundancy Allocation; Repairable System; Genetic Algorithm(GA);
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Times Cited By KSCI : 3  (Citation Analysis)
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