Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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A Quantitative Team Situation Awareness Measurement Method Considering Technical and Nontechnical Skills of Teams

  • Yim, Ho Bin (Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology) ;
  • Seong, Poong Hyun (Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology)
  • Received : 2015.06.30
  • Accepted : 2015.09.22
  • Published : 2016.02.25
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Abstract

Human capabilities, such as technical/nontechnical skills, have begun to be recognized as crucial factors for nuclear safety. One of the most common ways to improve human capabilities in general is training. The nuclear industry has constantly developed and used training as a tool to increase plant efficiency and safety. An integrated training framework was suggested for one of those efforts, especially during simulation training sessions of nuclear power plant operation teams. The developed training evaluation methods are based on measuring the levels of situation awareness of teams in terms of the level of shared confidence and consensus as well as the accuracy of team situation awareness. Verification of the developed methods was conducted by analyzing the training data of real nuclear power plant operation teams. The teams that achieved higher level of shared confidence showed better performance in solving problem situations when coupled with high consensus index values. The accuracy of nuclear power plant operation teams' situation awareness was approximately the same or showed a similar trend as that of senior reactor operators' situation awareness calculated by a situation awareness accuracy index (SAAI). Teams that had higher SAAI values performed better and faster than those that had lower SAAI values.

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