Imperfect condition-based maintenance for a gamma degradation process in presence of unknown parameters

Franck Corset, Mitra Fouladirad and Christian Paroissin

Journal of Risk and Reliability, 2023, vol. 237, issue 3, 546-561

Abstract: A system subject to degradation is considered. The degradation is modelled by a gamma process. A condition-based maintenance policy with perfect corrective and an imperfect preventive actions is proposed. The maintenance cost is derived considering a Markov-renewal process. The statistical inference of the degradation and maintenance parameters by the maximum likelihood method is investigated. A sensibility analysis to different parameters is carried out and the perspectives are detailed.

Keywords: Degradation modelling; gamma process; condition-based maintenance; imperfect maintenance; statistical inference; maximum likelihood estimation (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:sae:risrel:v:237:y:2023:i:3:p:546-561

DOI: 10.1177/1748006X221134132

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