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Journal Articles Reliability Engineering and System Safety Year : 2002

A condition-based maintenance policy for stochastically deteriorating systems

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Abstract

We focus on the analytical modeling of a condition-based inspection/replacement policy for a stochastically and continuously deteriorating single-unit system. We consider both the replacement threshold and the inspection schedule as decision variables for this maintenance problem and we propose to implement the maintenance policy using a multi-level control-limit rule. In order to assess the performance of the proposed maintenance policy and to minimize the long run expected maintenance cost per unit time, a mathematical model for the maintained system cost is derived, supported by the existence of a stationary law for the maintained system state. Numerical experiments illustrate the performance of the proposed policy and confirm that the maintenance cost rate on an infinite horizon can be minimized by a joint optimization of the maintenance structure thresholds, or equivalently by a joint optimization of a system replacement threshold and the aperiodic inspection schedule.

Dates and versions

hal-02284115 , version 1 (11-09-2019)

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Antoine Grall, Christophe Bérenguer, Laurence Dieulle. A condition-based maintenance policy for stochastically deteriorating systems. Reliability Engineering and System Safety, 2002, 76 (2), pp.167-180. ⟨10.1016/S0951-8320(01)00148-X⟩. ⟨hal-02284115⟩
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