Abstract
A method of describing and analyzing of causes for human-operator error is proposed. This method is based on causal analysis, theory of frames and modal logic, and essentially different from commonly used statistical means. Unlike routine methods this one facilitates an analysis operator's characteristics and the situation in which the error occurred. The method makes it possible for every error to reveal its intrinsic sources, which can be used for making recommendations concerning their elimination. On the basis of the suggested method, a computer-aided system SAFE was developed which was implemented in aviation to analyze errors of pilots / crew members and air traffic controllers. The proposed methodology and the associated software may be implemented for the analysis of operator errors in any control system.
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