Abstract
In motion control of electric vehicles (EVs), the undetectable road conditions and varying vehicle parameters challenge the steering ability and validity. This article investigates a new traction control (TC) approach that uses the maximum transmissible torque estimation (MTTE) scheme to carry out the antislip control of EVs. A closed-loop disturbance observer is employed to enhance the steering stability and to improve the robustness on perturbation in wheel inertia of the MTTE approach. This proposed scheme, which contains the closed-loop friction torque estimator, does not require the use of any differentiator. Additionally, the inversion of the controlled plant is unnecessary. The real experiment demonstrated the effectiveness and feasibility of the presented antislip strategy.
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