This article presents the alternative lane keeping control strategy with direct yaw moment control (DYC) that utilizes the transverse driving torque distribution. With the sophisticated structure of today’s electric vehicle, the small-size motor can be placed into each driving wheel so that the DYC input can be easily and precisely achieved by controlling the in-wheel-motors independently. The information of road position is acquired by vision system via CCD camera and on-board image processing system. As a feature of the proposed system, the lateral deviation detected by CCD camera is converted into the desired yaw rate for tracing the desired lane. Then, the yaw moment control input is theoretically determined to achieve the desired yaw rate from the viewpoint of vehicle dynamics. This article presents the theoretical analysis of lane keeping control characteristics using linear vehicle model on planar motion, and experimental study using micro-scale electric vehicle to verify the effectiveness of the proposed strategy.
Lane keeping control strategy with direct yaw moment control input by considering dynamics of electric vehicle
Vehicle System Dynamics ; 44 , sup1 ; 192-201
2006-01-01
10 pages
Article (Journal)
Electronic Resource
Unknown
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