품질경영학회지 (Journal of Korean Society for Quality Management)

  • 제35권4호
  • /
  • Pages.140-146
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  • 2007
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  • 1229-1889(pISSN)
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  • 2287-9005(eISSN)
한국품질경영학회 (Korean Society for Quality Management)
권호 표지

예방보전이 불완전할 때 최적 주기적 예방보전 계획

Optimal Periodic Preventive Maintenance Schedule When Preventive Maintenance is Imperfect

  • 발행 : 2007.12.31
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⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, we consider a periodic imperfect preventive maintenance(PM) policy in which the system's failure rate after each PM remains unchanged. The system undergoes only minimal repairs at failures between PMs. Exact mathematical formula of the expected cost rate per unit time is derived. Optimal number of PMs and optimal maintenance period are derived by minimizing the expected cost rate per unit time. A numerical example is provided to illustrate the proposed approach under Weibull lifetime distribution.

키워드

참고문헌

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