Abstract
In this study, a control method is proposed for improving the braking performance of an autonomous emergency braking (AEB) system by reflecting various friction conditions of the driving road surface on the basis of vehicle-to- vehicle (V2V) communication. Because the conventional AEB system's control logic is set on the basis of the friction factor of a certain road, various road conditions are not reflected. To improve the braking and collision performance according to changes in road surface friction, a new method of control logic that reflects friction force changes is introduced. In addition, the concept of time to collision (TTC) at an intersection is applied to analyze the braking and collision characteristics of the vehicle's AEB system. With the new control method that applies friction force changes during driving, it is confirmed that the braking and collision performances are improved compared to the conventional method.
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