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This paper reviews some of the key issues in the domain of Man-Machine Interaction (MMI), with particular reference to the techniques currently adopted for the analysis and evaluation of human factors in the safety of Nuclear Power Plants. The best known methodologies used in mechanistic PRA analysis for modelling human errors are firstly described. Then, the need for a more complete and deterministic representation of the operator`s reasoning and motor behaviour is debated, showing how this represents a fundamental complement to the merely probabilistic quantification of performances for approaching correctly the overall problem of MMI. Finally, a cognitive model, based on a hierarchical goal-oriented approach and driven by fuzzy logic methodology is briefly presented as the counterpart to the "classical" methodologies for studying human errors, identifying limits and boundaries of applications of both types of approaches.

Additional information

Authors: CACCIABUE P C, JRC Ispra Estab. (IT)
Bibliographic Reference: Article: Nuclear Engineering and Design, Vol. 109 (1988), pp. 417-431
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