A Robust Wheel Slip Controller for a Hybrid Braking System

A robust wheel slip controller for electric vehicles is introduced. The proposed wheel slip controller exploits the dynamics of electric traction drives and conventional hydraulic brakes for achieving maximum energy efficiency and driving safety. Due to the control of single wheel traction motors in combination with a hydraulic braking system, it can be shown, that energy recuperation and vehicle stability control can be realized simultaneously. The derivation of a sliding mode wheel slip controller accessing two drivetrain actuators is outlined and a comparison to a conventionally braked vehicle is shown by means of simulation.

Authors:

• Martin Ringdorfer
• Martin Horn

Keywords:

• Wheel slip control
• sliding mode control
• vehicle dynamics.

References:

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