Optimal maintenance intervals for a multi-component system

Optimal maintenance intervals for a multi-component system

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Article ID: iaor20071637
Country: United Kingdom
Volume: 17
Issue: 8
Start Page Number: 769
End Page Number: 779
Publication Date: Dec 2006
Journal: Production Planning and Control
Authors: , ,
Keywords: quality & reliability
Abstract:

In the manufacturing industry, preventive maintenance (PM) is carried out to minimise the probability of plant unexpected breakdown. Planned PM is preferred as disruption to operation is then minimised. Suggested PM intervals are normally prepared by the original equipment manufacturers (OEMs); however, due to the multifaceted relationship between operating context and production requirement for different plants, it is unlikely that these suggested intervals as prescribed by the OEMs are optimal. Reliability, budget and breakdown outages cost are some of the critical factors that will affect the calculation of optimal maintenance intervals. Maintenance managers are required to determine optimal maintenance intervals with the above different requirements set by management. In this paper three models are proposed to calculate optimal maintenance intervals for multi-component system in a factory subjected to minimum required reliability, maximum allowable budget and minimum total cost. Numerical examples are provided to illustrate the application and usefulness of the proposed models.

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