Performance Improvement of Permanent Magnet Synchronous Motors in Both Steady and Transient Modes Through the Current Model Predictive Control Method.

Document Type : Original Article

Authors

Assistant Professor, Malek Ashtar University of Technology, Shahin Shahr, Iran

Abstract

Variable switching frequency and high torque oscillations are two significant drawbacks of current model predictive control (MPCC) methods. Although some recently proposed model-based approaches have made valuable efforts to enhance torque quality, they have inadvertently reduced the response speed of traditional methods. This paper presents a straightforward yet effective solution to address the shortcomings of the conventional MPCC method. In this proposed solution, two types of control strategies are introduced for steady-state and transient conditions. The first strategy targets steady-state conditions, aiming to minimize torque and output flux oscillations by appropriately selecting the voltage vector and its application duration. The second strategy, applicable in transient conditions, is designed to enhance dynamic speed and achieve the reference value of output torque in the shortest possible time. Thus, in this control strategy, a voltage vector is applied to the output throughout the entire control duration. Simulation and practical results, conducted using MATLAB software and a TM320F28335 DSP processor, demonstrate the effectiveness of the proposed method in reducing torque fluctuations, flux fluctuations, and stator current THD compared to other methods.

Keywords

References

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Applied Electromagnetics
Volume 13, Issue 1 - Serial Number 30
Spring and Summer
September 2025

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History

  • Receive Date: 06 June 2025
  • Revise Date: 25 July 2025
  • Accept Date: 11 August 2025
  • Publish Date: 23 August 2025

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