IDHEAS – A NEW APPROACH FOR HUMAN RELIABILITY ANALYSIS

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This paper describes a method, IDHEAS (Integrated Decision-Tree Human Event Analysis System) that has been developed jointly by the US NRC and EPRI as an improved approach to Human Reliability Analysis (HRA) that is based on an understanding of the cognitive mechanisms and performance influencing factors (PIFs) that affect operator responses. The paper describes the various elements of the method, namely the performance of a detailed cognitive task analysis that is documented in a crew response tree (CRT), and the development of the associated time-line to identify the critical tasks, i.e. those whose failure results in a human failure event ... continued below

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Parry, G. W.; Forester, J.A; Dang, V.N.; Hendrickson, S. M. L.; Presley, M.; Lois, E. et al. September 1, 2013.

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Description

This paper describes a method, IDHEAS (Integrated Decision-Tree Human Event Analysis System) that has been developed jointly by the US NRC and EPRI as an improved approach to Human Reliability Analysis (HRA) that is based on an understanding of the cognitive mechanisms and performance influencing factors (PIFs) that affect operator responses. The paper describes the various elements of the method, namely the performance of a detailed cognitive task analysis that is documented in a crew response tree (CRT), and the development of the associated time-line to identify the critical tasks, i.e. those whose failure results in a human failure event (HFE), and an approach to quantification that is based on explanations of why the HFE might occur.

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  • ANS PSA 2013 International Topical Meeting on Probabilistic Safety Assessment and Analysis,Columbia, SC ,09/22/2013,09/26/2013

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  • Report No.: INL/CON-13-29100
  • Grant Number: DE-AC07-05ID14517
  • Office of Scientific & Technical Information Report Number: 1116741
  • Archival Resource Key: ark:/67531/metadc871962

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  • September 1, 2013

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  • Sept. 16, 2016, 12:32 a.m.

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  • Nov. 29, 2016, 1:51 p.m.

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Parry, G. W.; Forester, J.A; Dang, V.N.; Hendrickson, S. M. L.; Presley, M.; Lois, E. et al. IDHEAS – A NEW APPROACH FOR HUMAN RELIABILITY ANALYSIS, article, September 1, 2013; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc871962/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.