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Updated: Aug 7, 2025

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Practical discontinuous tracking control for a permanent magnet synchronous motor.

Bin Liu1, Dengxiu Yu2, Xing Zeng1

  • 1School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, China.

Mathematical Biosciences and Engineering : MBE
|March 11, 2023
PubMed
Summary

This study introduces a practical discontinuous control algorithm for permanent magnet synchronous motor (PMSM) tracking control, addressing input saturation. The method ensures stable motor performance and accurate tracking, validated through simulations and experiments.

Keywords:
discontinuous controlinput saturationmotorsliding mode controltracking control

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Area of Science:

  • Electrical Engineering
  • Control Systems
  • Robotics

Background:

  • Discontinuous control theory is well-established but rarely applied to real-world systems.
  • Permanent magnet synchronous motors (PMSMs) are crucial in many industrial applications.
  • Physical system constraints, such as input saturation, pose challenges for controller design.

Purpose of the Study:

  • To develop and apply a practical discontinuous control algorithm for PMSM tracking control.
  • To address the issue of input saturation in PMSM systems.
  • To enhance the applicability of discontinuous control in motor control engineering.

Main Methods:

  • Design of a practical discontinuous control algorithm tailored for PMSM.
  • Incorporation of input saturation handling within the control strategy.
  • Utilizing sliding mode control principles and Lyapunov stability theory for controller design and error convergence.

Main Results:

  • The proposed control algorithm effectively achieves tracking control for PMSM.
  • Error variables are guaranteed to converge asymptotically to zero.
  • The control method's validity is confirmed through simulation and experimental validation.

Conclusions:

  • The practical discontinuous control algorithm is a viable and effective method for PMSM tracking control, even with input saturation.
  • This research bridges the gap between discontinuous control theory and practical motor control applications.
  • The findings support the broader adoption of advanced control techniques in industrial motor systems.