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Journal Article
결합 중요도를 이용한 사후보수 우선순위 결정
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- Authors
- 구훈영, 김영복, 홍정식, 이창훈
- Issue Date
- 2007-03
- Citation
- 대한산업공학회지, v.33, no.1, pp.61-69
- ISSN
- 1225-0988
- Publisher
- 대한산업공학회
- Language
- Korean
- Type
- Journal Article
- Abstract
- In a large complex system, maintenance priorities for the failed components are important to maintain the system reliability at required level. Commonly used methods of determining maintenance priorities are based on ranking the failed components by using reliability importance measures such as Birnbaum reliability importance, risk achievement worth and F-V importance, etc. In the preceding works, maintenance priorities for the failed components are determined by using such existing measures. In this study, a new method of determining maintenance priorities, which utilizes the joint reliability importance is proposed. By investigating the sign of the joint reliability importance, maintenance priorities obtained by the existing methods are adjusted to yield new revised priorities. The revised maintenance priorities are shown to be more effective than the existing ones from the standpoint of the speed of system recovery. Effectiveness of the proposed method is illustrated by numerical examples.
- KSP Keywords
- Birnbaum reliability importance, Joint reliability, Numerical examples, System Reliability, System recovery, large complex system, new method, reliability importance measures