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Updated: Feb 13, 2026

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Sequential model predictive direct speed control of PMSM.

Lukáš Pancurák1, Krisztián Horváth2, Karol Kyslan3

  • 1Faculty of Electrical Engineering and Informatics, Dept. of Electrical Engineering and Mechatronics, Technical University of Košice, 042 00, Košice, Slovak Republic.

Scientific Reports
|February 11, 2026
PubMed
Summary

This study enhances sequential direct speed predictive control for permanent magnet synchronous motor (PMSM) drives. The improved method stabilizes performance and boosts speed response, overcoming limitations of prior approaches.

Keywords:
Finite control setModel predictive controlPermanent magnet synchronous machineSequential control

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Area of Science:

  • Electrical Engineering
  • Control Systems

Background:

  • Finite control set model predictive control (FCS-MPC) is vital for permanent magnet synchronous motor (PMSM) drives.
  • Conventional FCS-MPC performance hinges on weighting factors, lacking systematic selection procedures, which hinders robustness.

Purpose of the Study:

  • To experimentally validate a sequential direct speed predictive control strategy for PMSM drives.
  • To address instability and current ripple issues in existing sequential control methods.
  • To enhance the speed dynamic response and overall stability of PMSM drives.

Main Methods:

  • Experimental validation of a sequential direct speed predictive control strategy.
  • Sequential evaluation of cost functions to simplify tuning and reduce weighting factors.
  • Development and testing of an enhanced sequential direct speed predictive control algorithm.

Main Results:

  • The original sequential direct speed control shows dynamic potential but exhibits instability and current ripples.
  • The enhanced sequential direct speed predictive control effectively suppresses instabilities.
  • The proposed method significantly improves the speed dynamic response of the PMSM drive.

Conclusions:

  • The enhanced sequential direct speed predictive control offers a robust and stable solution for PMSM drives.
  • This strategy simplifies tuning and improves control performance compared to conventional methods.
  • Experimental validation confirms the effectiveness of the proposed approach on a rapid control prototyping platform.