Periodic Preventive Maintenance Policy with Required Interval Availability

Kenichi Funaki, Kazuho Yoshimoto

    Research output: Contribution to journalArticle


    We propose a periodic preventive maintenance policy for a repairable equipment considering required interval availability. Here the required interval availability is fraction of total operating time over a certain time interval, which is required to accomplish some task by the equipment. The proposed policy gives an optimal preventive maintenance interval that minimizes total expected cost per unit time assuring the required interval availability with a predetermined confidence probability. We derive its mathematical model and apply the policy to a vapor-reflow equipment in a PCB assembly line where minimal repair is performed upon failure. The results show its usefulness compared to conventional periodic preventive maintenance policy.

    Original languageEnglish
    Pages (from-to)2739-2746
    Number of pages8
    JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
    Issue number660
    Publication statusPublished - 2001


    • Interval Availability
    • Minimal Repair
    • Preventive Maintenance
    • Production Management
    • Production Planning
    • Production System

    ASJC Scopus subject areas

    • Mechanics of Materials
    • Mechanical Engineering
    • Industrial and Manufacturing Engineering

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