Journal of Applied Reliability (한국신뢰성학회지:신뢰성응용연구)

The Korean Reliability Society (한국신뢰성학회)
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Provisioning Quantity Determination of Repairable Concurrent Spare Part under Budget Constraint and Cannibalization Allowed

자금제약하에서 동류전용이 허용될 때 수리가능한 동시조달부품의 적정소요량 결정

  • Oh, Geun-Tae (Department of Industrial Information Engineering, The University of Suwon) ;
  • Na, Yoon-Kyoon (Department of Industrial Information Engineering, The University of Suwon)
  • 오근태 (수원대학교 산업정보공학과) ;
  • 나윤균 (수원대학교 산업정보공학과)
  • Received : 2012.06.20
  • Accepted : 2012.09.15
  • Published : 2012.09.25
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Abstract

In this paper determined is the quantity of repairable concurrent spare parts(CSP) of a new equipment system to maximize the operational availability under budget constraint and cannibalization allowed. When a part fails, the part is replaced and the failed part is repaired for later use while cannibalization is allowed. The failure of a part is assumed to follow a Poisson process and the availability in CSP is defined. The solution procedure consists of two parts. Firstly, a mathematical model is developed under the assumption that the failure rate is constant during the CSP period and cannibalization is not allowed. Secondly, proposed is a simulation search procedure which improves the heuristic solution to the near optimal solution in a reasonable amount of time under the assumption that the cannibalization is allowed.

Keywords

References

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