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http://dx.doi.org/10.7232/JKIIE.2011.37.4.390

Optimal Preventive Maintenance Period in Complex Systems in Considering Components Reliability Characteristic  

Lee, Youn-Ho (ILS(Integrated Logistics Support) R&D Lab, LIG Nex1)
Lee, Ik-Do (ILS(Integrated Logistics Support) R&D Lab, LIG Nex1)
Lee, Dong-Woo (ILS(Integrated Logistics Support) R&D Lab, LIG Nex1)
Sohn, Ki-Hong (ILS(Integrated Logistics Support) R&D Lab, LIG Nex1)
Publication Information
Journal of Korean Institute of Industrial Engineers / v.37, no.4, 2011 , pp. 390-399 More about this Journal
Abstract
Generally the life-cycle cost of complex systems composed of several sub systems or equipments such as train, aircraft weapon systems is spent much more during operation and maintenance phase than development phase. The maintenance cost for maintaining the availability and extending the life span of systems comprise a large proportion of systems operation cost. The cycle of preventive maintenance affects operation and maintenance cost a lot. In this study we introduce a way minimizing life-cycle cost of systems by calculating more reliable preventive maintenance period than the results of previous study using systems reliability data considered the reliability and failure effect ratio of sub-systems or components. We can solve the preventive maintenance period problem known as NP-Hard as quick as possible by using modified genetic algorithm than using other models introduced in previous study.
Keywords
Preventive Maintenance Period; Periodic Maintenance Period; Failure Effect Rate; Genetic Algorithm(GA); Complex System;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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