Lateral control of autonomous vehicle by yaw rate feedback
Thermal Engineering · Fluid Engineering · Energy and Power Engineering
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Abstract
In the autonomous vehicle, the reference lane is continually detected by machine vision system. And then the vehicle is steered to follow the reference yaw rates which are generated by the deviations of lateral distance and the yaw angle between a vehicle and the reference lane. To cope with the steering delay and the side-slip of vehicle, PI controller is introduced by yaw rate feedback and tuned from the simulation where the vehicle is modeled as 2 DOF and 79 DOF and verified by the results of an actual vehicle test. The lateral control algorithm by yaw rate feedback has good performances of lane tracking and passenger comfort.
Key Words
Lateral Control Yaw Rate Control Machine VisionPreview
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© The Korean Society of Mechanical Engineers (KSME) 2002