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International Journal of Automotive Technology > Volume 16(3); 2015 > Article
International Journal of Automotive Technology 2015;16(3): 457-464.
ACTIVE YAW CONTROL FOR HANDLING PERFORMANCE IMPROVEMENT BY USING TRACTION FORCE
H. KIM1, S. LEE1, J. K. HEDRICK2
1Hyundai Motor Company
2University of California
ABSTRACT
This paper presents the vehicle handling performance improvement by means of transfer case and torque vectoring system. The focus is on the agility and stability during handling situation. Transfer case can control the torque distribution ratio between the front and rear axles. The left and right torque vectoring system of the rear axle is a device that can control both the torque flow amount and its direction between the right and left wheels. The controller for lateral dynamics was applied by using a sliding mode control method and a commercial dynamic analysis tool was used for the vehicle performance simulation.
Key Words: Yaw control, Vehicle dynamics, Traction force, Transfer case, Torque vectoring
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