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Journal Articles Reliability Engineering and System Safety Year : 2009

Optimization of maintenance policy using the proportional hazard model

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Abstract

The evolution of system reliability depends on its structure as well as on the evolution of its components reliability. The latter is a function of component age during a system's operating life. Component aging is strongly affected by maintenance activities performed on the system. In this work, we consider two categories of maintenance activities: corrective maintenance (CM) and preventive maintenance (PM). Maintenance actions are characterized by their ability to reduce this age. PM consists of actions applied on components while they are operating, whereas CM actions occur when the component breaks down. In this paper, we expound a new method to integrate the effect of CM while planning for the PM policy. The proportional hazard function was used as a modeling tool for that purpose. Interesting results were obtained when comparison between policies that take into consideration the CM effect and those that do not is established.
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Dates and versions

hal-02356486 , version 1 (08-11-2019)

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Mohamed Samrout, Eric Chatelet, Raed Kouta, Nazir Chebbo. Optimization of maintenance policy using the proportional hazard model. Reliability Engineering and System Safety, 2009, 94 (1), pp.44-52. ⟨10.1016/j.ress.2007.12.006⟩. ⟨hal-02356486⟩
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