The impact of inspection errors, imperfect maintenance and minimal repairs on an imperfect production system

Ya Hui Lin, Jen Ming Chen, Yan Chun Chen

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

This paper develops an integrated model of production lot-sizing, maintenance and quality for considering the possibilities of inspection errors, preventive maintenance (PM) errors and minimal repairs for an imperfect production system with increasing hazard rates. In this study, a PM activity is imperfect in that a production system cannot be recovered as good as new and might cause the production system to shift to the out-of-control state with a certain probability. Numerical analyses are used to simulate the effect of changes in various parameters on the optimal solution for which the time that the process remains in the in-control state is assumed to follow a Weibull distribution. In addition, we investigate the effects of inspection errors and PM errors on the minimum total cost of the optimal inspection interval, inspection frequency and production quantity.

Original languageEnglish
Pages (from-to)1680-1691
Number of pages12
JournalMathematical and Computer Modelling
Volume53
Issue number9-10
DOIs
StatePublished - May 2011

Keywords

  • Economic production quantity
  • Imperfect production system
  • Inspection errors
  • Preventive maintenance

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