Common-cause failure analysis in event assessment

D.M. Rasmuson; D.L. Kelly

doi:10.1243/1748006XJRR121

Common-cause failure analysis in event assessment

D.M. Rasmuson, D.L. Kelly

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Abstract

This paper reviews the basic concepts of modelling common-cause failures (CCFs) in reliability and risk studies and then applies these concepts to the treatment of CCF in event assessment. The cases of a failed component (with and without shared CCF potential) and a component being unavailable due to preventive maintenance or testing are addressed. The treatment of two related failure modes (e.g. failure to start and failure to run) is a new feature of this paper, as is the treatment of asymmetry within a common-cause component group.

Original language	English
Pages (from-to)	521-532
Number of pages	12
Journal	Proceedings of the Institution of Mechanical Engineers. Part O, Journal of Risk and Reliability
Volume	222
Issue number	4
DOIs	https://doi.org/10.1243/1748006XJRR121 https://doi.org/10.1243/09596518JSCE537
Publication status	Published - 2008

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abstract = "This paper reviews the basic concepts of modelling common-cause failures (CCFs) in reliability and risk studies and then applies these concepts to the treatment of CCF in event assessment. The cases of a failed component (with and without shared CCF potential) and a component being unavailable due to preventive maintenance or testing are addressed. The treatment of two related failure modes (e.g. failure to start and failure to run) is a new feature of this paper, as is the treatment of asymmetry within a common-cause component group.",

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AB - This paper reviews the basic concepts of modelling common-cause failures (CCFs) in reliability and risk studies and then applies these concepts to the treatment of CCF in event assessment. The cases of a failed component (with and without shared CCF potential) and a component being unavailable due to preventive maintenance or testing are addressed. The treatment of two related failure modes (e.g. failure to start and failure to run) is a new feature of this paper, as is the treatment of asymmetry within a common-cause component group.

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JF - Proceedings of the Institution of Mechanical Engineers. Part O, Journal of Risk and Reliability

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Common-cause failure analysis in event assessment

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