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Sliding Mode Observer based sensorless control of five phase PMSM in electric vehicle

Abstract : The impact of the third order current harmonic cannot be ignored in a five-phase permanent magnet synchronous motor (PMSM), on the contrary of the three-phase PMSM. So, to realize the speed sensorless control for PMSM, a Sliding Mode Observer (SMO) is suggested with consideration the impact of third order harmonic. At the outset, a Sliding Mode Control (SMC) with injection of the third order current harmonic is designed for speed sensorless control of PMSM model for Electric Vehicle (EV). Then, Sliding Mode Observer is built to estimate the motor speed, torque and current in (d,q) frame, in order to improve the performance of sensorless control strategy. Besides, the stability of the SMC and SMO are studied using Lyapunov stability criteria. The feasibility of this technique will be evaluated using MATLAB/Simulink platform Index Terms-Five phase PMSM, Third order current harmonic , Sliding Mode Control, Sliding Mode Observer, electric vehicle.
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Abir Hezzi, Yemna Bensalem, Seifeddine Ben Elghali, Mohamed Naceur Abdelkrim. Sliding Mode Observer based sensorless control of five phase PMSM in electric vehicle. 2019 19th International Conference on Sciences and Techniques of Automatic Control and Computer Engineering (STA), Mar 2019, Sousse, France. pp.530-535, ⟨10.1109/STA.2019.8717290⟩. ⟨hal-02390262⟩

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