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A new traction control which utilizes the maximum transmissible torque estimation (MTTE) scheme to execute the anti-slip control of electric vehicles is proposed in this study. Since the function of embedded knowledge mechanism, the chassis velocity and information about tire-road conditions is unnecessary. A closed-loop observer with disturbance estimation performance is employed to enhance the steering...
This paper presents a new control algorithm that prevents wheel skidding of electric vehicles in the presence of uncertainties in tire-road conditions. An estimator of the maximum effective torque is realized by wheel velocity and input torque, which is based on a purely kinematic relationship between the wheel and the chassis. In order to enhance the stability of the control system and preserve handling...
Controlling an immeasurable state with an indirect control input is a difficult problem faced in traction control of a vehicle. Research on motion control of electric vehicles has progressed considerably, but anti-slip control has not been so sophisticated and practical because of this difficulty. Therefore, this work takes advantage of the features of motors to estimate the maximum friction force...
The purpose of this paper is to evaluate the effectiveness of the dynamic force distribution methods, which are used for perfect traction force control of in-wheel motored EVs. Integrated with maneuverability improvement control system, the proposed method dynamically distributes the total driving force among the available in-wheel driving motors by according to the working conditions of tires. Due...
This paper is concerned with integrated yaw stability control strategy for 4WD EV driven by in-wheel motors. The strategy consists of double control loops. One is the upper control loop, which uses 2-DOF control method to specify control effectors which are required for keeping EV yaw stability. The other is the lower control loop, which is used to determine control inputs for four driving motors...
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