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Maintenance Policy Based on Cost and Downtime Following the Expiration of Combination Warranty

혼합보증이 종료된 이후의 비용과 비가동시간에 근거한 보전정책

  • Jung, Ki-Mun (Department of Informational Statistics, Kyungsung University)
  • 정기문 (경성대학교 정보통계학과)
  • Published : 2008.11.30

Abstract

This paper considers the replacement model and the preventive maintenance model following the expiration of combination warranty for a repairable system. If the system fails after the combination warranty is expired, then it is minimally repaired at each failure. The criterion used to determine the optimal replacement policy and the optimal preventive maintenance policy is the overall value function based on the expected cost rate per unit time and the expected downtime per unit time. The numerical examples are presented for illustrative purpose when the failure time follows a Weibull distribution.

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