Development of a wheel slip actuator controller for electric vehicles using energy recuperation and hydraulic brake control
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A new vehicle stability control approach for electric vehicles is introduced. The proposed wheel slip controller extends the functionality of state-of-the-art electric vehicle operation strategies and closes the gap to driver assistance systems and conventional vehicle dynamics control systems. Maximum energy efficiency and driving safety can be guaranteed by coordinated control of the electrical propulsion system and the mechanical braking system. During safe vehicle operation, the controller monitors the vehicle operation unit and in case of a blocking or spinning wheel, it assures anti blocking and anti slip functionalities by coordinating mechanical brake interventions and single wheel traction motor control. The proposed controller structure is outlined and first simulation results are presented.
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