Modelling and simulation of a BLDC motor speed control system for electric vehicles
by Nafaa Jeddi; Lilia El Amraoui; Fernando Tadeo
International Journal of Electric and Hybrid Vehicles (IJEHV), Vol. 8, No. 2, 2016

Abstract: This paper describes the modelling and implementation of a sensorless control system (back-EMF control) on a brushless DC motor used in a traction drive system for an electric vehicle. The dynamic behaviour of the motor is first modelled, so speed PI controller, DC-AC inverter and commutation logic blocks are developed, in order to obtain a full control of the entire drive system, then, simulated using Simulink®. The elaborated study is based on determination of back-EMF, output current, motor speed and electromagnetic torque characteristics. Simulations results are presented to show the high performance and the efficiency of the simulated controlled system.

Online publication date: Mon, 15-Aug-2016

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