Journal of Applied Reliability (한국신뢰성학회지:신뢰성응용연구)

The Korean Reliability Society (한국신뢰성학회)
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A Study on Condition-based Maintenance Policy using Minimum-Repair Block Replacement

최소수리 블록교체 모형을 활용한 상태기반 보전 정책 연구

  • Lim, Jun Hyoung (Department of Industrial and Management Engineering, Kyonggi University Graduate School) ;
  • Won, Dong-Yeon (Department of Industrial and Management Engineering, Kyonggi University Graduate School) ;
  • Sim, Hyun Su (Department of Industrial and Management Engineering, Kyonggi University Graduate School) ;
  • Park, Cheol Hong (Department of Industrial and Management Engineering, Kyonggi University Graduate School) ;
  • Koh, Kwan-Ju (Department of Industrial and Management Engineering, Kyonggi University Graduate School) ;
  • Kang, Jun-Gyu (Department of Industrial and Management Engineering, Sungkyul University) ;
  • Kim, Yong Soo (Department of Industrial and Management Engineering, Kyonggi University)
  • 임준형 (경기대학교 일반대학원 산업경영공학과) ;
  • 원동연 (경기대학교 일반대학원 산업경영공학과) ;
  • 심현수 (경기대학교 일반대학원 산업경영공학과) ;
  • 박철홍 (경기대학교 일반대학원 산업경영공학과) ;
  • 고관주 (경기대학교 일반대학원 산업경영공학과) ;
  • 강준규 (성결대학교 산업경영공학과) ;
  • 김용수 (경기대학교 산업경영공학과)
  • Received : 2018.04.10
  • Accepted : 2018.05.31
  • Published : 2018.06.25
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Abstract

Purpose: This study proposes a process for evaluating the preventive maintenance policy for a system with degradation characteristics and for calculating the appropriate preventive maintenance cycle using time- and condition-based maintenance. Methods: First, the collected data is divided into the maintenance history lifetime and degradation lifetime, and analysis datasets are extracted through preprocessing. Particle filter algorithm is used to estimate the degradation lifetime from analysis datasets and prior information is obtained using LSE. The suitability and cost of the existing preventive maintenance policy are each evaluated based on the degradation lifetime and by using a minimum repair block replacement model of time-based maintenance. Results: The process is applied to the degradation of the reverse osmosis (RO) membrane in a seawater reverse osmosis (SWRO) plant to evaluate the existing preventive maintenance policy. Conclusion: This method can be used for facilities or systems that undergo degradation, which can be evaluated in terms of cost and time. The method is expected to be used in decision-making for devising the optimal preventive maintenance policy.

Keywords

References

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