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KMID : 0371819960280050467
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Nuclear Engineering and Technology
1996 Volume.28 No. 5 p.467 ~ p.481
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A Model of the Operator Cognitive Behaviors During the Steam Generator Tube Rupture Accident at a Nuclear Power Plant
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J.H. Mun and C.S. Kang
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Abstract
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An integrated framework of modeling the human operator cognitive behavior during nuclear power plant accident scenarios is presented. It incorporates both plant and operator models. The basic structure of the operator model is similar to that of
existing cognitive models, however, this model differs from those existing ones largely in two aspects. First, using frame and membership function, the pattern matching behavior, which is identified as the dominant cognitive process of operators
responding to an accident sequence, is explicitly implemented in this model. Second, the non-task-related human cognitive activities like effects of stress and cognitive biases such as confirmation bias and availability bias, are also considered.
A
computer code, OPEC sequence, and the resultant simulated behaviors of operator are obtained.
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KEYWORD
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