Modeling past-dependent partial repairs for condition-based maintenance of continuously deteriorating systems

Abstract : We are interested in the stochastic modeling of a condition-based maintained system subject to continuous deterioration and maintenance actions such as inspection, partial repair and replacement. The partial repair is assumed dependent on the past in the sense that it cannot bring the system back into a deterioration state better than the one reached at the last repair. Such a past-dependency can affect (i) the selection of a type of maintenance actions, (ii) the maintenance duration, (iii) the deterioration level after a maintenance, and (iv) the restarting system deterioration behavior. In this paper, all these effects are jointly considered in an unifying condition-based maintenance model on the basis of restarting deterioration states randomly sampled from a probability distribution truncated by the deterioration levels just before a current repair and just after the last repair/replacement. Using results from the semi-regenerative theory, the long-run maintenance cost rate is analytically derived. Numerous sensitivity studies illustrate the impacts of past-dependent partial repairs on the economic performance of the considered condition-based maintained system.
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https://hal-utt.archives-ouvertes.fr/hal-02275866
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Submitted on : Monday, September 2, 2019 - 9:06:52 AM
Last modification on : Monday, September 16, 2019 - 4:35:56 PM

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Khac Tuan Huynh. Modeling past-dependent partial repairs for condition-based maintenance of continuously deteriorating systems. European Journal of Operational Research, Elsevier, 2020, 280 (1), pp.152-163. ⟨10.1016/j.ejor.2019.07.007⟩. ⟨hal-02275866⟩

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