Periodic Preventive Maintenance Policy with Required Interval Availability

Kenichi Funaki, Kazuho Yoshimoto*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


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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