Modelling and optimizing sequential imperfect preventive maintenance

Michael Bartholomew-Biggs, Ming J. Zuo, Xiaohu Li

Research output: Contribution to journalArticlepeer-review

80 Scopus citations

Abstract

This paper deals with the problem of scheduling imperfect preventive maintenance (PM) of some equipment. It uses a model due to Kijima in which each application of PM reduces the equipment's effective age (but without making it as good as new). The approach presented here involves minimizing a performance function which allows for the costs of minimal repair and eventual system replacement as well as for the costs of PM during the equipment's operating lifetime. The paper describes a numerical investigation into the sensitivity of optimum schedules to different aspects of an age-reduction model (including the situation when parts of a system are non-maintainable-i.e., unaffected by PM).

Original languageEnglish
Pages (from-to)53-62
Number of pages10
JournalReliability Engineering and System Safety
Volume94
Issue number1
DOIs
StatePublished - Jan 2009

Keywords

  • Cost rate
  • Effective age
  • Failure mode
  • Failure rate
  • Imperfect preventive maintenance
  • Optimization

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