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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