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In vehicle motion control, it is important to improve both dynamic performance and ride comfort by vibration suppression. Vehicles with combustion engines or on-board motors can only suppress resonant modes in the low frequency band such as the heave, pitch, and roll modes due to the limitation in torque responsiveness. However, in the case of vehicles with in-wheel motors, it is possible to suppress...
This study investigated robust yaw moment control for motion stabilization in four-wheel electric vehicles. A two-degree-of-freedom direct yaw moment control scheme is proposed. An engineering weighting function with embedded engineering specifications is included in the proposed approach. The controller was synthesized and its corresponding properties were studied. A rear-wheel drive in-wheel motor...
Electric vehicles (EVs) have become a world-widely recognized solution for future green transportation. However, the mileage per charge of EVs is short compared with that of internal combustion engine vehicles. In this paper, a maximization method of regenerative energy is proposed. The method optimizes the velocity trajectory and distribution ratio of front and rear braking force using calculus of...
In this paper, a range extension control system with vehicle dynamics control is proposed. Front and rear active steering and torque difference between left and right in-wheel motors enable yaw rate and side-slip angle control with higher energy efficiency. The effectiveness of the proposed method was verified by both simulations and experiments.
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