Improving the Performance of Permanent Magnet Synchronous Motor by Using Direct Current Control Method Based On Predictive Controller With Continuous Control Set

Subject Areas : Application of soft computing in engineering sciences

Reza Sharifian ¹ , Hamid Rahimi Esfahani ²

1 -
2 - Department of Electrical Engineering, Lenjan Branch, Islamic Azad University, Isfahan, Iran

Received: 2024-10-15 Accepted : 2024-11-15 Published : 2024-12-19

Keywords: Direct current control, predictive¬ controller, permanent magnet synchronous motor drives, total harmonic distortion fault,

Abstract :

In this paper, direct current control method is proposed to improve the performance of permanent magnet synchronous motor in steady and transient states. In this method, direct flow control based on predictive controller with continuous control set is provided. Thus, In steady state, an active voltage vector along with a zero-voltage vector is applied to the motor in each control cycle. The values ​​of the phase, amplitude and duty factor of the active voltage vector are optimized in such a way that the stator current error is minimized. In the transient mode, to improve the dynamic response of the torque, a voltage vector with maximum amplitude is applied to the motor in the entire control cycle, and the angle of the voltage vector is calculated in such a way that the stator current error is reduced to zero at the end of the control cycle. Spatial vector modulation is used to generate the selected voltage vector. The performance of the method has been evaluated in MATLAB software; The obtained results show that the proposed method of harmonic distortion of the total stator current in the steady state reduces and improves the dynamic response of the motor in the transient state. In addition, the performance of the two presented methods has been compared with a number of recent control methods, and the results show that by using the proposed methods, the performance of the steady and transient state is improved.

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