Abstract
This study developed an algorithm for the determining the application timing of autonomous emergency braking (AEB) under various road friction conditions during driving on a curved road in a vehicle-to-vehicle communication environment. This algorithm, which considers the friction between the tires and the road, was developed to overcome the limitation of the existing algorithm for AEB system brake intervention in which road friction is taken as a constant. The braking and collision avoidance performances of the proposed algorithm were tested in scenarios simulating the velocities of the host and target vehicles and the radii of curvature under various road conditions. The simulation analysis, in which the time-to-collision concept was adopted for braking and collision avoidance tests, revealed that the proposed algorithm provided superior forward collision avoidance performance to the conventional algorithm by adjusting the brake intervention time according to the road friction coefficient.
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