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Human Reliability Analysis for Risk Assessment of Nuclear Power Plants

원자력발전소 위험도 평가를 위한 인간신뢰도분석

  • Jung, Won-Dea (Integrated Safety Assessment Division, Korea Atomic Energy Research Institute) ;
  • Kim, Jae-Whan (Integrated Safety Assessment Division, Korea Atomic Energy Research Institute)
  • 정원대 (한국원자력연구원, 종합안전평가부) ;
  • 김재환 (한국원자력연구원, 종합안전평가부)
  • Received : 2011.01.31
  • Accepted : 2011.02.09
  • Published : 2011.02.28

Abstract

Objective: The aim of this paper is to introduce the activities and research trends of human reliability analysis including brief summary about contents and methods of the analysis. Background: Various approaches and methods have been suggested and used to assess human reliability in field of risk assessment of nuclear power plants. However, it has noticed that there is high uncertainty in human reliability analysis which results in a major bottleneck for risk-informed activities of nuclear power plants. Method: First and second generation methods of human reliability analysis are reviewed and a few representative methods are discussed from the risk assessment perspective. The strength and weakness of each method is also examined from the viewpoint of reliability analyst as a user. In addition, new research trends in this field are briefly summarized. Results: Human reliability analysis has become an important tool to support not only risk assessment but also system design of a centralized complex system. Conclusion: Human reliability analysis should be improved by active cooperation with researchers in field of human factors. Application: The trends of human reliability analysis explained in this paper will help researchers to find interest topics to which they could contribute.

Keywords

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