Modeling age-based maintenance strategies with minimal repairs for systems subject to competing failure modes due to degradation and shocks

Khac Tuan Huynh (), Inma Castro (), Anne Barros () and Christophe Bérenguer ()
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Khac Tuan Huynh: LM2S - Laboratoire Modélisation et Sûreté des Systèmes - ICD - Institut Charles Delaunay - UTT - Université de Technologie de Troyes - CNRS - Centre National de la Recherche Scientifique
Inma Castro: UEX - Universidad de Extremadura - University of Extremadura
Anne Barros: LM2S - Laboratoire Modélisation et Sûreté des Systèmes - ICD - Institut Charles Delaunay - UTT - Université de Technologie de Troyes - CNRS - Centre National de la Recherche Scientifique
Christophe Bérenguer: LM2S - Laboratoire Modélisation et Sûreté des Systèmes - ICD - Institut Charles Delaunay - UTT - Université de Technologie de Troyes - CNRS - Centre National de la Recherche Scientifique, GIPSA-SAIGA - GIPSA - Signal et Automatique pour la surveillance, le diagnostic et la biomécanique - GIPSA-DA - Département Automatique - GIPSA-lab - Grenoble Images Parole Signal Automatique - UPMF - Université Pierre Mendès France - Grenoble 2 - Université Stendhal - Grenoble 3 - UJF - Université Joseph Fourier - Grenoble 1 - Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology - CNRS - Centre National de la Recherche Scientifique - GIPSA-DIS - Département Images et Signal - GIPSA-lab - Grenoble Images Parole Signal Automatique - UPMF - Université Pierre Mendès France - Grenoble 2 - Université Stendhal - Grenoble 3 - UJF - Université Joseph Fourier - Grenoble 1 - Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology - CNRS - Centre National de la Recherche Scientifique

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Abstract: This paper deals with maintenance strategies with minimal repairs for single-unit repairable systems which are subject to competing and dependent failures due to degradation and traumatic shocks. The main aims are to study different approaches for making a minimal repair decision (i.e. time-based or condition-based) which is a possible corrective maintenance action under the occurrence of shocks, and to show under a given situation which approach can lead to a greater saving in maintenance cost. Two age-based maintenance policies with age-based minimal repairs and degradation-based minimal repairs are modeled, and their performance is compared with a classical pure age-based replacement policy without minimal repairs. Numerical results show the cost saving of the maintenance policies and allow us to make some conclusions about their performance under different situations of system characteristic and maintenance costs. It is shown that carrying out minimal repairs is useful in many situations to improve the performance of maintenance operations. Moreover, the comparison of optimal maintenance costs incurred by both maintenance policies with minimal repairs allows us to justify the appropriate conditions of time-based minimal repair approach and condition-based minimal approach.

Keywords: random inspection; minimal repairs; age replacement policy; non-homogeneous Poisson process; Gamma process; dynamic environment (search for similar items in EconPapers)
Date: 2012-04
Note: View the original document on HAL open archive server: https://hal.science/hal-00790729v1
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Citations: View citations in EconPapers (57)

Published in European Journal of Operational Research, 2012, 218 (1), pp.140-151. ⟨10.1016/j.ejor.2011.10.025⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-00790729

DOI: 10.1016/j.ejor.2011.10.025

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