Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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DEVELOPMENT OF AN INTEGRATED DECISION SUPPORT SYSTEM TO AID COGNITIVE ACTIVITIES OF OPERATORS

  • Lee, Seung-Jun (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)
  • Published : 2007.12.31
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Abstract

As digital and computer technologies have grown, human-machine interfaces (HMIs) have evolved. In safety-critical systems, especially in nuclear power plants (NPPs), HMIs are important for reducing operational costs, the number of necessary operators, and the probability of accident occurrence. Efforts have been made to improve main control room (MCR) interface design and to develop automated or decision support systems to ensure convenient operation and maintenance. In this paper, an integrated decision support system to aid operator cognitive processes is proposed for advanced MCRs of future NPPs. This work suggests the design concept of a decision support system which accounts for an operator's cognitive processes. The proposed system supports not only a particular task, but also the entire operation process based on a human cognitive process model. In this paper, the operator's operation processes are analyzed according to a human cognitive process model and appropriate support systems that support each cognitive process activity are suggested.

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