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Estimating interactive coefficients for analysing\ud interactive failures\ud

By Yong Sun and Lin Ma


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

Topics: 091500 INTERDISCIPLINARY ENGINEERING, Dependent failures, interactive failures, interactive coeffi cients, reliability, complex system
Publisher: EIN
Year: 2010
OAI identifier:

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