Communication Dans Un Congrès Année : 2024

Do Obsolescence and Shortages have an impact on Reliability, Maintainability and Availability?

Résumé

The classic concepts of reliability, maintainability and availability (RAM) are well established, but their link with obsolescence and shortages in today's industrial context remains poorly explored. This paper proposes an exploratory study to model the standard definitions of RAM and relate them to obsolescence and shortages, extending their scope beyond the usual physical and software components. Our initial results suggest that failure to take these phenomena into account systematically leads to an overestimate of availability. Research avenues are presented to quantify these overestimates.

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hal-05209193 , version 1 (13-08-2025)

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Sahar Karaani, Mariem Besbes, Marc Zolghadri, Claude Baron, Maher Barkallah, et al.. Do Obsolescence and Shortages have an impact on Reliability, Maintainability and Availability?. 6th IFAC Workshop on Advanced Maintenance Engineering, Services and Technology (AMEST 2024), Jun 2024, Cagliari, Italy. pp.294 - 299, ⟨10.1016/j.ifacol.2024.08.136⟩. ⟨hal-05209193⟩
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