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Estimating interactive coefficients for analysing interactive failures

Sun, Yong & Ma, Lin (2010) Estimating interactive coefficients for analysing interactive failures. Maintenance and Reliability, 2(46), pp. 67-72.

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Abstract

Engineering assets are often complex systems. In a complex system, components often have failure interactions which lead to interactive failures. A system with interactive failures may lead to an increased failure probability. Hence, one may have to take the interactive failures into account when designing and maintaining complex engineering systems. To address this issue, Sun et al have developed an analytical model for the interactive failures. In this model, the degree of interaction between two components is represented by interactive coefficients. To use this model for failure analysis, the related interactive coefficients must be estimated. However, methods for estimating the interactive coefficients have not been reported. To fill this gap, this paper presents five methods to estimate the interactive coefficients including probabilistic method; failure data based analysis method; laboratory experimental method; failure interaction mechanism based method; and expert estimation method. Examples are given to demonstrate the applications of the proposed methods. Comparisons among these methods are also presented.

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ID Code: 31275
Item Type: Journal Article
Additional Information: The contents of this journal can be freely accessed via the journal website (see Official URL)
Additional URLs:
Keywords: Dependent failures, interactive failures, interactive coeffi cients, reliability, complex system
ISSN: 1507-2711
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > INTERDISCIPLINARY ENGINEERING (091500)
Divisions: Current > Research Centres > CRC Integrated Engineering Asset Management (CIEAM)
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2010 EIN
Deposited On: 12 Mar 2010 07:59
Last Modified: 10 Jun 2010 00:24

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