Optimal stopping for the predictive maintenance of a structure subject to corrosion

B de Saporta, F Dufour, H Zhang and C Elegbede

Journal of Risk and Reliability, 2012, vol. 226, issue 2, 169-181

Abstract: This paper presents a numerical method to compute the optimal maintenance time for a complex dynamic system applied to an example of maintenance of a metallic structure subject to corrosion. An arbitrarily early intervention may be uselessly costly, but a late one may lead to a partial/complete failure of the system, which has to be avoided. One must therefore find a balance between these too-simple maintenance policies. To achieve this aim, the system is modelled by a stochastic hybrid process. The maintenance problem thus corresponds to an optimal stopping problem. A numerical method is proposed to solve the optimal stopping problem and optimize the maintenance time for this kind of process.

Keywords: dynamic reliability; predictive maintenance; piece-wise-deterministic Markov processes; optimal stopping times; optimization of maintenance (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:sae:risrel:v:226:y:2012:i:2:p:169-181

DOI: 10.1177/1748006X11413681

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