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SACADA and HuREX part 2: The use of SACADA and HuREX data to estimate human error probabilities
김요찬,Yung Hsien James Chan,박진균,Lawrence Criscione 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.3
As a part of probabilistic risk (or safety) assessment (PRA or PSA) of nuclear power plants (NPPs), theprimary role of human reliability analysis (HRA) is to provide credible estimations of the human errorprobabilities (HEPs) of safety-critical tasks. In this regard, it is vital to provide credible HEPs based onfirm technical underpinnings including (but not limited to): (1) how to collect HRA data from availablesources of information, and (2) how to inform HRA practitioners with the collected HRA data. Because ofthese necessities, the U.S. Nuclear Regulatory Commission and the Korea Atomic Energy ResearchInstitute independently developed two dedicated HRA data collection systems, SACADA (ScenarioAuthoring, Characterization, And Debriefing Application) and HuREX (Human Reliability data EXtraction),respectively. These systems provide unique frameworks that can be used to secure HRA data fromfull-scope training simulators of NPPs (i.e., simulator data). In order to investigate the applicability ofthese two systems, two papers have been prepared with distinct purposes. The first paper, entitled“SACADA and HuREX: Part 1. The Use of SACADA and HuREX Systems to Collect Human Reliability Data”,deals with technical issues pertaining to the collection of HRA data. This second paper explains how thetwo systems are able to inform HRA practitioners. To this end, the process of estimating HEPs isdemonstrated based on feed-and-bleed operations using HRA data from the two systems.
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SACADA and HuREX: Part 1. the use of SACADA and HuREX systems to collect human reliability data
Yung Hsien James Chang,김요찬,박진균,Lawrence Criscione 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.5
As a part of probabilistic risk (or safety) assessment (PRA or PSA) of nuclear power plants (NPPs), theprimary role of human reliability analysis (HRA) is to provide credible estimations of the human errorprobabilities (HEPs) of safety-critical tasks. Accordingly, HRA community has emphasized the accumulation of HRA data to support HRA practitioners for many decades. To this end, it is critical to resolvepractical problems including (but not limited to): (1) how to collect HRA data from available informationsources, and (2) how to inform HRA practitioners with the collected HRA data. In this regard, the U.S. Nuclear Regulatory Commission (NRC) and Korea Atomic Energy Research Institute (KAERI) independently initiated two large projects to accumulate HRA data by using full-scale simulators (i.e., simulatordata). In terms of resolving the first practical problem, the NRC and KAERI developed two dedicated HRAdata collection systems, SACADA (Scenario Authoring, Characterization, And Debriefing Application) andHuREX (Human Reliability data EXtraction), respectively. In addition, to inform HRA practitioners, theNRC and KAERI proposed several ideas to extract useful information from simulator data. This paper isthe first of two papers to discuss the technical underpinnings of the development of the SACADA andHuREX systems
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