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Automatic speed reference generator for electric vehicles with induction motors under slip constraints

An innovative cruise control algorithm for electric vehicles (trains, cars) powered by induction motors has been recently proposed in [12]. It achieves vehicle speed regulation to a given constant reference by incorporating a suitable rotor speed generator into a highly efficient adaptive indirect field oriented control. The aim of this paper is to solve an analogous regulation problem in which automatic, feedback-based variations in the vehicle speed reference are required to be on-line performed by the control algorithm in order to take into account constraints on the tire longitudinal slip. CarSim simulations illustrate the effectiveness of the proposed approach in performing challenging manoeuvres, even in the presence of complex vehicle dynamics that have been neglected in the control design steps.