Linking component importance to optimisation of preventive maintenance policy

Shaomin Wu, Yi Chen, Qingtai Wu, Zhonglai Wang

    Research output: Contribution to journalArticle

    Abstract

    In reliability engineering, time on performing preventive maintenance (PM) on a component in a system may affect system availability if system operation needs stopping for PM. To avoid such an availability reduction, one may adopt the following method: if a component fails, PM is carried out on a number of the other components while the failed component is being repaired. This ensures PM does not take system¿s operating time. However, this raises a question: which components should be selected for PM? This paper introduces an importance measure, called component maintenance priority (CMP), that is used to select components for PM. The paper then compares the CMP with other importance measures and studies the properties of the CMP. Numerical examples are given to show the validity of the CMP.
    Original languageEnglish
    Pages (from-to)26-32
    Number of pages7
    JournalReliability Engineering and System Safety
    Volume146
    Early online date19 Oct 2015
    DOIs
    Publication statusPublished - Feb 2016

    Keywords

    • reliability engineering
    • preventive maintenance
    • component maintenance priority

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