Journal of Korean Institute of Industrial Engineers (대한산업공학회지)

Korean Institute of Industrial Engineers (대한산업공학회)
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Determination of Corrective Maintenance Priorities Using Joint Reliability Importance

결합 중요도를 이용한 사후보수 우선순위 결정

  • Koo, Hoon Young (Electronics and Telecommunications Research Institute) ;
  • Kim, Young Bok (Department of Industrial Engineering, Seoul National University) ;
  • Hong, Jung Sik (Department of Industrial Engineering, Seoul National University of Technology) ;
  • Lie, Chang Hoon (Department of Industrial Engineering, Seoul National University)
  • 구훈영 (한국전자통신연구원) ;
  • 김영복 (서울대학교 산업공학과) ;
  • 홍정식 (서울산업대학교 산업정보시스템공학과) ;
  • 이창훈 (서울대학교 산업공학과)
  • Published : 2007.03.31
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Abstract

In a large complex system, maintenance priorities for the failed components are important to maintain the sys-tern reliability at required level. Commonly used methods of determining maintenance priorities are based onranking 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 failedcomponents are determined by using such existing measures, In this study, a new method of determining main-tenance priorities, which utilizes the joint reliability importance is proposed. By investigating the sign of thejoint reliability importance, maintenance priorities obtained by the existing methods are adjusted to yield new re-vised priorities. The revised maintenance priorities are shown to be more effective than the existing ones fromthe standpoint of the speed of system recovery, Effectiveness of the proposed method is illustrated by numericalexamples.

Keywords

References

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