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Comparison of two maintenance models to quantify unavailability of systems with components with dormant failures

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27240%2F20%3A10247245" target="_blank" >RIV/61989100:27240/20:10247245 - isvavai.cz</a>

  • Výsledek na webu

    <a href="https://esrel2019.org/" target="_blank" >https://esrel2019.org/</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3850/978-981-11-2724-3_0543-cd" target="_blank" >10.3850/978-981-11-2724-3_0543-cd</a>

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    Comparison of two maintenance models to quantify unavailability of systems with components with dormant failures

  • Popis výsledku v původním jazyce

    Repairable systems with latent failures are systems when a failure is identified only at special inspection times, appearing with a given fixed period. In the case of its occurrence the restoration process is launched at the earliest follow-up inspection time. Maintenance policies for such systems can be categorized into two main categories: calendar based and age based policies. In the calendar based policy, the system testing and maintenance is realized at a fixed date, whereas in the age based policy we suppose that maintenance actions are realized at a fixed time interval from the latest time of maintenance. In the age based policy, a real calendar time of inspection or preventive maintenance is random in fact, due to random occurrences of failures and random duration of restorations. Relevant issue of the paper is to recognize differences between both kinds of maintenance policies. The paper summarizes innovative stochastic reliability models, recently developed and used for unavailability quantification of repairable and maintained systems with latent failures. Models are transformed into numerical codes to answer the relevant matter: to what extent is affected unavailability in context with age-based versus calendar-based maintenance policy? The differences of unavailability, computed in the course of time, between age-based and calendar-based maintenance policies are demonstrated on examples selected from both references and practice. (C) 2019 European Safety and Reliability Association. Published by Research Publishing, Singapore.

  • Název v anglickém jazyce

    Comparison of two maintenance models to quantify unavailability of systems with components with dormant failures

  • Popis výsledku anglicky

    Repairable systems with latent failures are systems when a failure is identified only at special inspection times, appearing with a given fixed period. In the case of its occurrence the restoration process is launched at the earliest follow-up inspection time. Maintenance policies for such systems can be categorized into two main categories: calendar based and age based policies. In the calendar based policy, the system testing and maintenance is realized at a fixed date, whereas in the age based policy we suppose that maintenance actions are realized at a fixed time interval from the latest time of maintenance. In the age based policy, a real calendar time of inspection or preventive maintenance is random in fact, due to random occurrences of failures and random duration of restorations. Relevant issue of the paper is to recognize differences between both kinds of maintenance policies. The paper summarizes innovative stochastic reliability models, recently developed and used for unavailability quantification of repairable and maintained systems with latent failures. Models are transformed into numerical codes to answer the relevant matter: to what extent is affected unavailability in context with age-based versus calendar-based maintenance policy? The differences of unavailability, computed in the course of time, between age-based and calendar-based maintenance policies are demonstrated on examples selected from both references and practice. (C) 2019 European Safety and Reliability Association. Published by Research Publishing, Singapore.

Klasifikace

  • Druh

    D - Stať ve sborníku

  • CEP obor

  • OECD FORD obor

    10103 - Statistics and probability

Návaznosti výsledku

  • Projekt

    <a href="/cs/project/EF16_019%2F0000867" target="_blank" >EF16_019/0000867: Centrum výzkumu pokročilých mechatronických systémů</a><br>

  • Návaznosti

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Ostatní

  • Rok uplatnění

    2020

  • Kód důvěrnosti údajů

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Údaje specifické pro druh výsledku

  • Název statě ve sborníku

    Proceedings of the 29th European Safety and Reliability Conference (ESREL) : 22–26 September 2019, Hannover, Germany

  • ISBN

    978-981-11-2724-3

  • ISSN

  • e-ISSN

  • Počet stran výsledku

    8

  • Strana od-do

    507-514

  • Název nakladatele

    Research Publishing

  • Místo vydání

    Singapur

  • Místo konání akce

    Hannover

  • Datum konání akce

    22. 9. 2019

  • Typ akce podle státní příslušnosti

    EUR - Evropská akce

  • Kód UT WoS článku