한국신뢰성학회지:신뢰성응용연구 (Journal of Applied Reliability)

  • 제16권3호
  • /
  • Pages.224-230
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  • 2016
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  • 1738-9895(pISSN)
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  • 2733-8320(eISSN)
한국신뢰성학회 (The Korean Reliability Society)
권호 표지

운용환경을 고려한 항공오일시험장비의 최적정비주기 설정

Optimal Maintenance Cycle for Aviation Oil Testing Equipment under the Consideration of Operational Environment

  • 김인석 (대구대학교 산업경영공학과) ;
  • 정원 (대구대학교 산업경영공학과)
  • Kim, In Seok (Department of Industrial and Management Engineering Daegu University) ;
  • Jung, Won (Department of Industrial and Management Engineering Daegu University)
  • 투고 : 2016.08.22
  • 심사 : 2016.09.20
  • 발행 : 2016.09.25
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초록

Purpose: Military maintenance involves corrective and preventive actions carried out to keep a system in or restore it to a predetermined condition. This research develops an optimal maintenance cycle for aviation oil testing equipment with acceptable reliability level and minimum maintenance cost. Methods: The optimal maintenance policy in this research aims to satisfy the desired reliability level at the lowest cost. We assume that the failure process of equipment follows the power law non-homogeneous Poisson process model and the maintenance system is a minimal repair policy. Estimation and other statistical procedures (trend test and goodness of fit test) are given for this model. Results: With time varying failure rate, we developed reliability-based maintenance cost optimization model. This model will reduce the ownership cost through adopting a proactive reliability focused maintenance system. Conclusion: Based on the analysis, it is recommended to increase the current maintenance cycle by three times which is 0.5 year to 1.5 years. Because of the system's built-in self-checking features, it is not expected to have any problems of preventative maintenance cycle.

키워드

참고문헌

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