Engine-based input-output linearization for traction control systems

Engine-based traction control marks a paradigm shift for electronic stability systems in the automotive industry. It enables traction control systems with higher bandwidth and performance by an architectural change. As a new approach, only few work exists that considers analytic control design for engine-based traction control. This paper extends our recent work on input-output linearization for engine-based traction control. Global, exponential stability for arbitrary vehicle parameters and time-varying road adhesion coefficients is shown for the first time. Experiments in a test vehicle compare the proposed design with different traction control systems. It is shown that on the considered maneuver, the control design achieves superior tracking performance, disturbance attenuation and damping of drivetrain oscillations.