Effect of Control Laws for Torque-Vectoring Systems on Steady-State Cornering in Race Cars
摘要
This paper presents an analysis of the control law for a torque-vectoring system that actively distributes left and right drive torques to maximize the steady-state cornering performance of a rear-wheel drive race car. The control law allocates torque to the left and right vertical load distribution. Steady-state analysis results show that the maximum lateral acceleration could be improved by 7.8% by decreasing the maximum slip ratio and altering the point at which the yaw moment is trimmed compared to the existing passive system. Furthermore, the stability of the system is reduced, and measures to ensure stability are presented.