Stress-reducing preventive maintenance model for a unit under stressful environment

J.H. Park, Woojin Chang and C.H. Lie

Reliability Engineering and System Safety, 2012, vol. 108, issue C, 42-48

Abstract: We develop a preventive maintenance (PM) model for a unit operated under stressful environment. The PM model in this paper consists of a failure rate model and two cost models to determine the optimal PM scheduling which minimizes a cost rate. The assumption for the proposed model is that stressful environment accelerates the failure of the unit and periodic maintenances reduce stress from outside. The failure rate model handles the maintenance effect of PM using improvement and stress factors. The cost models are categorized into two failure recognition cases: immediate failure recognition and periodic failure detection. The optimal PM scheduling is obtained by considering the trade-off between the related cost and the lifetime of a unit in our model setting. The practical usage of our proposed model is tested through a numerical example.

Keywords: Preventive maintenance; Maintenance scheduling; Stress reduction; Stressful environment (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:108:y:2012:i:c:p:42-48

DOI: 10.1016/j.ress.2012.06.021

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