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Failures without errors: Quantification of context in HRA
Technova Inc..
Linköping University, The Institute of Technology. Linköping University, Department of Computer and Information Science, CSELAB - Cognitive Systems Engineering Laboratory.
2004 (English)In: Reliability Engineering & System Safety, ISSN 0951-8320, Vol. 83, no 2, 145-151 p.Article in journal (Refereed) Published
Abstract [en]

PSA-cum-human reliability analysis (HRA) has traditionally used individual human actions, hence individual 'human errors', as a meaningful unit of analysis. This is inconsistent with the current understanding of accidents, which points out that the notion of 'human error' is ill defined and that adverse events more often are the due to the working conditions than to people. Several HRA approaches, such as ATHEANA and CREAM have recognised this conflict and proposed ways to deal with it. This paper describes an improvement of the basic screening method in CREAM, whereby a rating of the performance conditions can be used to calculate a Mean Failure Rate directly without invoking the notion of human error.

Place, publisher, year, edition, pages
2004. Vol. 83, no 2, 145-151 p.
National Category
Computer Science
URN: urn:nbn:se:liu:diva-23561DOI: 10.1016/j.ress.2003.09.006Local ID: 3040OAI: diva2:243875
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2011-01-12

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Hollnagel, Erik
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The Institute of TechnologyCSELAB - Cognitive Systems Engineering Laboratory
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