Reliability evaluation of a multi-state system with dependent components and imprecise parameters: A structural reliability treatment

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Lechang Yang
  • Xinyao Zhang
  • Zitong Lu
  • Yuqiang Fu
  • David Moens
  • Michael Beer

Externe Organisationen

  • University of Science and Technology Beijing
  • City University of Hong Kong
  • KU Leuven
  • The University of Liverpool
  • Tongji University
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Details

OriginalspracheEnglisch
Aufsatznummer110240
Seitenumfang13
FachzeitschriftReliability Engineering and System Safety
Jahrgang250
Frühes Online-Datum25 Mai 2024
PublikationsstatusVeröffentlicht - Okt. 2024

Abstract

Reliability evaluation of a multi-state system (MSS) with dependent components makes much practical sense because the independent identical assumption (i.i.d.) assumption between different components is sometimes impractical in the context of real engineering cases. The task becomes more challenging if imprecision gets involved due to the pervasive uncertainty. The loss of monotony resulting from the introduction of imprecise parameters makes many analytical reliability methods not applied. To address this challenge, in this paper, we develop a survival signature-based reliability framework for an MSS taking into account both dependence and uncertainty. In our framework, the survival function is derived through some unique structural reliability treatments. Vine copula and imprecise probability are integrated and embedded within the framework to address the case that dependence and imprecision simultaneously appear. Implementation-wise, two numerical simulation algorithms are developed to address some complicated cases in which the analytical solution is not available. For demonstration and validation, both the numerical case and application examples are presented. The results show the superiority of the proposed method and its potential in real engineering use.

ASJC Scopus Sachgebiete

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Reliability evaluation of a multi-state system with dependent components and imprecise parameters: A structural reliability treatment. / Yang, Lechang; Zhang, Xinyao; Lu, Zitong et al.
in: Reliability Engineering and System Safety, Jahrgang 250, 110240, 10.2024.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

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T2 - A structural reliability treatment

AU - Yang, Lechang

AU - Zhang, Xinyao

AU - Lu, Zitong

AU - Fu, Yuqiang

AU - Moens, David

AU - Beer, Michael

N1 - Publisher Copyright: © 2024 Elsevier Ltd

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N2 - Reliability evaluation of a multi-state system (MSS) with dependent components makes much practical sense because the independent identical assumption (i.i.d.) assumption between different components is sometimes impractical in the context of real engineering cases. The task becomes more challenging if imprecision gets involved due to the pervasive uncertainty. The loss of monotony resulting from the introduction of imprecise parameters makes many analytical reliability methods not applied. To address this challenge, in this paper, we develop a survival signature-based reliability framework for an MSS taking into account both dependence and uncertainty. In our framework, the survival function is derived through some unique structural reliability treatments. Vine copula and imprecise probability are integrated and embedded within the framework to address the case that dependence and imprecision simultaneously appear. Implementation-wise, two numerical simulation algorithms are developed to address some complicated cases in which the analytical solution is not available. For demonstration and validation, both the numerical case and application examples are presented. The results show the superiority of the proposed method and its potential in real engineering use.

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KW - Dependent components

KW - Imprecise parameters

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KW - Survival signature

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