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New stochastic models for preventive maintenance and maintenance optimization

Title
New stochastic models for preventive maintenance and maintenance optimization
Authors
Lee H.Cha J.H.
Ewha Authors
차지환
SCOPUS Author ID
차지환scopus
Issue Date
2016
Journal Title
European Journal of Operational Research
ISSN
0377-2217JCR Link
Citation
vol. 255, no. 1, pp. 80 - 90
Keywords
Generalized Polya processOptimal periodic maintenanceRepair typeStochastic intensityWorse-than-minimal-repair
Publisher
Elsevier B.V.
Indexed
SCIE; SCOPUS WOS scopus
Abstract
This paper considers periodic preventive maintenance policies for a deteriorating repairable system. On each failure the system is repaired and, at the planned times, it is periodically maintained to improve its reliability performance. Most of periodic preventive maintenance (PM) models for repairable systems have been studied assuming that the failure process between two PMs follows the nonhomogeneous Poisson process (NHPP), implying the minimal repair on each failure. However, in this paper, we assume that the failure process between two PMs follows a new counting process which is a generalized version of the NHPP. We develop two types of PM models and study detailed properties of the optimal policies which minimize the long-run expected cost rates. Numerical examples are also provided. © 2016 Elsevier B.V. All rights reserved.
DOI
10.1016/j.ejor.2016.04.020
Appears in Collections:
자연과학대학 > 통계학전공 > Journal papers
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