Advanced computing methodology for general highly reliable systems

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27240%2F17%3A10238398" target="_blank" >RIV/61989100:27240/17:10238398 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Advanced computing methodology for general highly reliable systems

Popis výsledku v původním jazyce

In our previous research we developed new methodology for high-performance computing which enables exact unavailability quantification of a real maintained highly reliable system containing highly reliable components with both preventive and corrective maintenance. Main objective of this paper is to generalize the original methodology so that to be used for unavailability quantification of a system with ageing input components with optional distributions of the time to a failure, as Weibull, log-normal, etc. For this purpose new findings in renewal theory (alternating renewal models) are demonstrated and derived. For computing implementation we derived an innovative equation to calculate unavailability function, not containing the renewal density, which is more effective than the corresponding equation resulting from the classic alternating renewal theory in which renewal density is included. The new equation undergoes the process of discretization which results in numeric formula to quantify desired unavailability function. This numerical process is elaborated for all previously intended stochastic component models. Found component unavailability functions are used to quantify unavailability of a complex maintained system. System is represented by the use of directed acyclic graph, which proved to be very effective system representation for computing highly reliable systems.

Název v anglickém jazyce

Advanced computing methodology for general highly reliable systems

Popis výsledku anglicky

In our previous research we developed new methodology for high-performance computing which enables exact unavailability quantification of a real maintained highly reliable system containing highly reliable components with both preventive and corrective maintenance. Main objective of this paper is to generalize the original methodology so that to be used for unavailability quantification of a system with ageing input components with optional distributions of the time to a failure, as Weibull, log-normal, etc. For this purpose new findings in renewal theory (alternating renewal models) are demonstrated and derived. For computing implementation we derived an innovative equation to calculate unavailability function, not containing the renewal density, which is more effective than the corresponding equation resulting from the classic alternating renewal theory in which renewal density is included. The new equation undergoes the process of discretization which results in numeric formula to quantify desired unavailability function. This numerical process is elaborated for all previously intended stochastic component models. Found component unavailability functions are used to quantify unavailability of a complex maintained system. System is represented by the use of directed acyclic graph, which proved to be very effective system representation for computing highly reliable systems.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

10103 - Statistics and probability

Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2017

Kód důvěrnosti údajů

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

Název statě ve sborníku

Risk, reliability and safety: innovating theory and practice: proceedings of the 26th European Safety and Reliability Conference, ESREL 2016, Glasgow, Scotland, 25-29 September 2016

ISBN

978-1-138-02997-2

ISSN

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e-ISSN

neuvedeno

Počet stran výsledku

8

Strana od-do

1466-1473

Název nakladatele

CRC Press

Místo vydání

Boca Raton

Místo konání akce

Glasgow

Datum konání akce

25. 9. 2016

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000414164700207