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

Author:

Corset Franck12ORCID,Fouladirad Mitra34ORCID,Paroissin Christian5

Affiliation:

1. CNRS, Grenoble INP*, LJK, Université Grenoble Alpes, Grenoble, France

2. Institute of Engineering, Univ. Grenoble Alpes, Saint-Martin-d’Heres, France

3. M2P2, UMR CNRS 7340, Aix Marseille Université, Marseille, France

4. Ecole Centrale Marseille, France

5. E2S UPPA, CNRS, LMAP, Universite de Pau et des Pays de l’Adour, Pau, France

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.

Publisher

SAGE Publications

Subject

Safety, Risk, Reliability and Quality

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