Journal of Korean Institute of Industrial Engineers (대한산업공학회지)

Korean Institute of Industrial Engineers (대한산업공학회)
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Repair-Replacement Strategies for Warranted Items with Phase-Type Lifetimes

PH 수명분포를 갖는 보증제품의 수리-교체 전략

  • Kim, Ho-Gyun (Department of Information and Industrial Engineering, Dong-Eui University) ;
  • Rao, B. Madhu (Department of Applied Statistics and Operations Research, Bowling Green State University) ;
  • Bae, Chang-Ok (Department of Information and Industrial Engineering, Dong-Eui University) ;
  • Kim, Seung-Chul (Department of Information and Industrial Engineering, Dong-Eui University)
  • 김호균 (동의대학교 공과대학 정보산업공학과) ;
  • ;
  • 배창옥 (동의대학교 공과대학 정보산업공학과) ;
  • 김승철 (동의대학교 공과대학 정보산업공학과)
  • Published : 2005.12.30
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Abstract

This paper is concerned with the question of servicing warranties for repairable items. During the warranty period, each time an item fails the manufacturer has the obligation to restore the item to operational condition either by repairing the item or by replacing it with a new item. In this paper, we consider repair-replacement strategies based on the condition of the failed item. For products with phase-type lifetime distributions where the phases represent the condition of the item, we develop algorithms to determine the expected cost of servicing a warranty and use it in making the repair-replacement decision. Illustrative numerical examples are presented. We also propose a dynamic strategy by taking the expected remaining warranty cost into consideration.

Keywords

References

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