Journal of Applied Reliability (한국신뢰성학회지:신뢰성응용연구)

The Korean Reliability Society (한국신뢰성학회)
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Developing the Optimal Decision-Making Process through Preventive Maintenance Policy Based on the Reliability Threshold for Leased Equipment

대여장비의 신뢰도 기반 예방보전 정책을 통한 최적 의사결정 과정 개발

  • Bae, Kiho (Department of Industrial and Management Engineering, Hanyang University) ;
  • Lee, Juhyun (Department of Industrial and Management Engineering, Hanyang University) ;
  • Park, Seonghwan (Department of Industrial and Management Engineering, Hanyang University) ;
  • Ahn, Suneung (Department of Industrial and Management Engineering, Hanyang University)
  • 배기호 (한양대학교 산업경영공학과) ;
  • 이주현 (한양대학교 산업경영공학과) ;
  • 박성환 (한양대학교 산업경영공학과) ;
  • 안선응 (한양대학교 산업경영공학과)
  • Received : 2017.08.04
  • Accepted : 2017.09.12
  • Published : 2017.09.25
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Abstract

Purpose: This study proposes the optimal PM (preventive maintenance) policy of leased equipment for lessee's decision-making using two types of reliability condition. Methods: We consider reliability threshold based PM model. Equipment reliability is estimated and used as condition variable. The effect of repair for maintenance is imperfect and represented by age reduction factor. Results: We provide two PM policies. Policy 1 is focused on minimized total cost. This policy guarantees reliability threshold until last maintenance action. Policy 2 focus on maintaining reliability threshold during leased period. The proposed approach provides optimal reliability threshold under number of PM. Through result, we finally construct decision-making process for lessee using reliability threshold and end of reliability. Conclusion: This study provides two PM policy for lessee's decision-making. Through numerical example, we get a result of optimal reliability threshold, number of PM, optimum alternative under lessee's reliability condition.

Keywords

References

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