Abstract
This paper develops a driver model describing a driver's decision and control processes during right turning at signalized intersections from the standpoint of man machine interaction. Based on the results of accident analysis and experiments, a driver model described by fuzzy theory, which consists of linguistic if then rules and membership functions, is developed to simulate the decision and control process of drivers. The major results are (1) the right turning accidents are mainly due to driver errors of recognition or evaluation for opposing through vehicles; (2) the fuzzy driver model, which consists of membership functions for subjective recognition and judgement and control rules for forward speed, is able to simulate the real driver behaviour; and (3) the characteristics of the driver's fuzziness of vehicular controls are shown by membership functions compared with experimental results (a).
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