Preventive maintenance model following the expiration of NFRRW

비재생무료교체-수리보증이 종료된 이후의 예방보전모형

  • Jung, Ki-Mun (Department of Informational Statistics, Kyungsung University)
  • 정기문 (경성대학교 정보통계학과)
  • Received : 2011.06.18
  • Accepted : 2011.07.22
  • Published : 2011.08.01

Abstract

In this paper, we consider the periodic preventive maintenance model for repairable system following the expiration of non-renewing free replacement-repair warranty (NFRRW). Under this preventive maintenance model, we derive the expressions for the expected cycle length, the expected total cost and the expected cost rate per unit time. Also, we determine the optimal preventive maintenance period and the optimal preventive maintenance number by minimizing the expected cost rate per unit time. Finally, the optimal periodic preventive maintenance policy is given for Weibull distribution case.

Acknowledgement

Supported by : 경성대학교

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