Journal of Korean Institute of Industrial Engineers (대한산업공학회지)

Korean Institute of Industrial Engineers (대한산업공학회)
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A Condition Based Maintenance Model for Systems with Weibull Distributed Deterioration

와이블 분포로 열화하는 시스템의 상태에 기초한 정비모형

  • Kong, Myung Bock (Department of Industrial Engineering, University of Ulsan) ;
  • Park, Il Gwang (Department of Industrial Engineering, University of Ulsan)
  • 공명복 (울산대학교 산업정보경영공학부) ;
  • 박일광 (울산대학교 산업정보경영공학부)
  • Published : 2007.03.31
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Abstract

This paper discusses condition based preventive replacement for deteriorating systems. The system continuouslydeteriorates in time and fails at any deterioration level which is always monitored, It is replaced at failure or atsome deteriorated level preventively before failure. The deterioration process is represented by a Weibulldistribution with a time-linear scale parameter. The cost rate function is formed considering replacement costand opportunity loss cost and deterioration dependent failure distribution, If the system has an increasingdeterioration dependent failure rate, the optimal deterioration level for preventive replacement can be determinedfrom minimizing the cost rate. An illustrative example is given for a Weibull deterioration dependent failuredistribution.

Keywords

References

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