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Open AccessArticle
Variable Control Period Model Predictive Current Control with Current Hysteresis for Permanent Magnet Synchronous Motor Drives
by
Yuhao Guo
Yuhao Guo
Fuxi Jiang
Fuxi Jiang
Siqi Wang
Siqi Wang
Shanmei Cheng
Shanmei Cheng 
and
Zuoqi Hu
Zuoqi Hu
1
School of Integrated Circuits, Huazhong University of Science and Technology, Wuhan 430074, China
2
School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan 430074, China
*
Author to whom correspondence should be addressed.
Actuators 2025, 14(11), 517; https://doi.org/10.3390/act14110517 (registering DOI)
Submission received: 28 September 2025
/
Revised: 21 October 2025
/
Accepted: 23 October 2025
/
Published: 25 October 2025
Abstract
Conventional finite control set model predictive control (FCS-MPC) for permanent magnet synchronous motor (PMSM) drives suffers from a fundamental trade-off: shortening the control period improves current tracking but increases switching frequency and losses. This paper proposes a hysteresis-based variable control period MPC (HBVCP-MPC) to break this compromise. Unlike methods like direct torque control (DTC) and model predictive direct torque control (MPDTC) that use hysteresis to select voltage vectors (VV), our approach first selects the optimal VV via a cost function that balances current tracking accuracy and switching frequency. Hysteresis on the -axis currents is then employed solely to dynamically determine the application time of this pre-selected VV, which defines the variable control period. This grants continuous adjustment over the VV duration, enabling superior current tracking without a proportional rise in switching frequency. Experimental results confirm that the proposed method achieves enhanced steady-state performance at a comparable switching frequency.
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MDPI and ACS Style
Guo, Y.; Jiang, F.; Wang, S.; Cheng, S.; Hu, Z.
Variable Control Period Model Predictive Current Control with Current Hysteresis for Permanent Magnet Synchronous Motor Drives. Actuators 2025, 14, 517.
https://doi.org/10.3390/act14110517
AMA Style
Guo Y, Jiang F, Wang S, Cheng S, Hu Z.
Variable Control Period Model Predictive Current Control with Current Hysteresis for Permanent Magnet Synchronous Motor Drives. Actuators. 2025; 14(11):517.
https://doi.org/10.3390/act14110517
Chicago/Turabian Style
Guo, Yuhao, Fuxi Jiang, Siqi Wang, Shanmei Cheng, and Zuoqi Hu.
2025. "Variable Control Period Model Predictive Current Control with Current Hysteresis for Permanent Magnet Synchronous Motor Drives" Actuators 14, no. 11: 517.
https://doi.org/10.3390/act14110517
APA Style
Guo, Y., Jiang, F., Wang, S., Cheng, S., & Hu, Z.
(2025). Variable Control Period Model Predictive Current Control with Current Hysteresis for Permanent Magnet Synchronous Motor Drives. Actuators, 14(11), 517.
https://doi.org/10.3390/act14110517
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