Journal of Electrical Engineering and Renewable Energies Development
Volume 1, Numéro 2, Pages 58-66
2026-01-31

Robust Control Of Pmsm Using Fully Synergetic Control With Svpwm And Real-time Load Torque Estimation



Authors : Beghdadi Mohammed . Kouzi Katia . Ameur Aissa .

Abstract

This paper presents a synergetic control strategy for a Permanent Magnet Synchronous Machine (PMSM) drive, implemented and validated through detailed simulations in MATLAB/Simulink. The proposed approach integrates a load torque estimator to enhance system robustness and ensure accurate disturbance compensation and SVPWM to drive the invertor for better voltage quality. The control framework guarantees fast and precise tracking of both speed and current references, even under abrupt load variations. Simulation results show that the motor torque accurately follows step reference commands with minimal steady-state error and no overshoot, while the direct-axis current (Id) exhibits smooth and stable behaviour with excellent reference tracking. The estimated load torque closely matches the actual disturbances, enabling effective compensation. Additionally, the three-phase stator currents remain balanced and sinusoidal throughout operation. The rotor speed rapidly converges to the reference without overshoot or chattering, demonstrating the high-performance capabilities of the synergetic controller. These results confirm the suitability of the proposed method for PMSM drives in applications requiring dynamic precision, disturbance rejection, and enhanced reliability.

Keywords

Synergetic control, PMSM, Load torque estimation, SVPWM.

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