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Méthode récurrente approchée pour calculer l'indisponibilité opérationnelle induite par les ruptures de stock de LRU

Raymond A. Marie 1
1 DIONYSOS - Dependability Interoperability and perfOrmance aNalYsiS Of networkS
Inria Rennes – Bretagne Atlantique , IRISA-D2 - RÉSEAUX, TÉLÉCOMMUNICATION ET SERVICES
Abstract : This study concerns the evaluation of the operational availability of a fleet of systems deployed on a site and maintained by exchanges on site of subsets (the LRUs), in the presence of potential delivery delays of LRUs on the operational site. The explosion of the number of states required for some real applications limits the use of a standard Markovian approach to model and evaluate the performance of the fleet of systems. This is the reason why we propose here an approximate recurrent method to calculate the operational unavailability. Its low relative complexity allows it to be used for applications encountered in the field of maintenance. Although approximate, the method provides the result with a small relative error, ranging from 10 −2 to 10 −8. For now, the method only concerns systems consisting of a series of LRUs.
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https://hal.inria.fr/hal-01937251
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Submitted on : Wednesday, November 28, 2018 - 9:20:53 AM
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Raymond A. Marie. Méthode récurrente approchée pour calculer l'indisponibilité opérationnelle induite par les ruptures de stock de LRU. 21e Colloque National de Maîtrise des risques et sûreté de fonctionnement, Oct 2018, Reims, France. pp.1-9. ⟨hal-01937251⟩

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