A Lane Departure Evaluation Algorithm Based on Static Stable Preview



According to the LDWS (Lane Departure Warning Systems), of which the universal departure evaluation algorithm is on the hypothesis that both the lateral speed and the turning radius are constant. In this paper, a roadway departure evaluation algorithm is proposed based on the basic static stable preview principle. Firstly the arrived place of vehicle in some future time was anticipated according to the present steady state, and the steady preview was carried on traveling track of vehicle. Then the roadway departure was evaluated based on the deviation of anticipated tracing point from the lateral and the longitudinal distance of roadway. Through the algorithm, the warning precision on vehicle can be largely increased and the happening of nuisance alarm can be well avoided.


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