Transient behaviour of instantaneous and average availabilities in non-Markovian configuration

• Autorzy: Tanguy Christian

Identyfikatory

DOI

10.26408/srsp-2022-13

• Konferencja: 16th Summer Safety & Reliability Seminars - SSARS 2022, 4-11 September 2022, Ciechocinek, Poland
• Języki publikacji: EN

Abstrakty

EN

In this work, we calculate the exact instantaneous and average availabilities for a system in which the failure distribution is a gamma distribution with a rational shape parameter α, and the repair time distribution is exponential. Various regimes exist, for which the availabilities may or may not attain values below the asymptotic limit. This is an example of configurations where using the steady-state value may lead to an overoptimistic assessment of the availability of an equipment or system during its mission time.

Słowa kluczowe

EN

instantaneous availability; average availability; exponential distribution; gamma distribution

• Wydawca: Gdynia Maritime University ; Polskie Towarzystwo Bezpieczeństwa i Niezawodności
• Czasopismo: Safety and Reliability of Systems and Processes
• Rocznik: 2022
• Tom: Summer Safety and Reliability Seminar 2022
• Strony: 185--194
• Opis fizyczny: Bibliogr. 20 poz., tab., wykr.

Twórcy

autor

Tanguy Christian

• Orange, Châtillon, France

• https://orcid.org/0000-0002-8155-5352

Bibliografia

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• Tanguy, C. 2020.When considering the asymptotic availability is not a safe bet. P. Baraldiet al. (Eds.). Proceedings of the 30th European Safety and Reliability Conference and the 15th Probabilistic Safety Assessment and Management Conference.Research Publishing, Singapore, 3091-3098.
• Tanguy, C., Buret, M., & Brinzei, N. 2019. Is it safe to use MTTF/(MTTF + MTTR) for the availability?. M. Beer et al. (Eds.). Safety and Reliability - Theory and Applications, Proceedings of the 29th European Safety and Reliability. Research Publishing, Singapore, 925-929.
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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).