volume | PIER Journals

Abstract

To address excessive torque ripple in switched reluctance motors (SRMs) during commutation intervals, this paper proposes an interval-based online torque-correction control strategy that uses a correction factor. First, a first-order discretized predictive model is established to estimate the output torque boundary in real time, thereby defining the dynamic constraint range of the reference torque. Subsequently, the commutation zone is divided into two sub-intervals based on the inductance characteristics, and a dynamic correction factor is introduced to perform online torque correction. This mechanism ensures a smooth torque transition during commutation by adjusting the reference torque. Furthermore, the Particle Swarm Optimization (PSO) algorithm is employed for global offline optimization of the turn-on and turn-off angles under full operating conditions to determine the optimal conduction0angle combination. Simulation analysis and experimental results demonstrate that, compared with traditional methods, the proposed strategy significantly reduces the torque ripple and peak phase current across various operating conditions, effectively enhancing the system's stable operating performance and dynamic tracking accuracy.

1. Gohari, Mostafa, Amangaldi Koochaki, and Mohammad Divandari, "Improving switched reluctance motor drive excitation with a gaussian inductance profile in electric vehicles," Electric Power Systems Research, Vol. 253, 112560, 2026.
doi:10.1016/j.epsr.2025.112560 Google Scholar

2. Gan, Chun, Xue Li, Zhiyue Yu, Kai Ni, Shuanghong Wang, and Ronghai Qu, "Modular seven-leg switched reluctance motor drive with flexible winding configuration and fault-tolerant capability," IEEE Transactions on Transportation Electrification, Vol. 9, No. 2, 2711-2722, 2023.
doi:10.1109/tte.2022.3225228 Google Scholar

3. Liu, Jian, Guofeng Wang, Di Liu, and Yunsheng Fan, "An improved deadbeat control scheme for unipolar sinusoidal current excited switched reluctance motor drives," IEEE Journal of Emerging and Selected Topics in Power Electronics, Vol. 11, No. 2, 1589-1603, 2023.
doi:10.1109/jestpe.2022.3222651 Google Scholar

4. Fang, Gaoliang, Filipe P. Scalcon, Dianxun Xiao, Rodrigo P. Vieira, Hilton A. Gründling, and Ali Emadi, "Advanced control of switched reluctance motors (SRMs): A review on current regulation, torque control and vibration suppression," IEEE Open Journal of the Industrial Electronics Society, Vol. 2, 280-301, 2021.
doi:10.1109/ojies.2021.3076807 Google Scholar

5. Gan, Chun, Jianhua Wu, Qingguo Sun, Wubin Kong, Hongyu Li, and Yihua Hu, "A review on machine topologies and control techniques for low-noise switched reluctance motors in electric vehicle applications," IEEE Access, Vol. 6, 31430-31443, 2018.
doi:10.1109/access.2018.2837111 Google Scholar

6. Saleh, Ameer L., Fahad Al-Amyal, and László Számel, "An enhanced current chopping control strategy for SRM drives using Harris Hawks optimization algorithm," ISA Transactions, Vol. 150, 338-358, 2024.
doi:10.1016/j.isatra.2024.05.020 Google Scholar

7. De Paula, Marcelo Vinícius, Sheldon S. Williamson, and Tárcio André dos Santos Barros, "Four-quadrant model following sliding mode cruise control for SRM with DITC applied to transportation electrification," IEEE Transactions on Transportation Electrification, Vol. 8, No. 3, 3090-3099, 2022.
doi:10.1109/tte.2022.3162405 Google Scholar

8. Li, Haoding, Berker Bilgin, and Ali Emadi, "An improved torque sharing function for torque ripple reduction in switched reluctance machines," IEEE Transactions on Power Electronics, Vol. 34, No. 2, 1635-1644, 2019.
doi:10.1109/tpel.2018.2835773 Google Scholar

9. Al-Amyal, Fahad and László Számel, "Research on novel hybrid torque sharing function for switched reluctance motors," IEEE Access, Vol. 10, 91306-91315, 2022.
doi:10.1109/access.2022.3202296 Google Scholar

10. Song, Shoujun, Gaoliang Fang, Runshan Hei, Jianan Jiang, Ruiqing Ma, and Weiguo Liu, "Torque ripple and efficiency online optimization of switched reluctance machine based on torque per ampere characteristics," IEEE Transactions on Power Electronics, Vol. 35, No. 9, 9608-9616, 2020.
doi:10.1109/tpel.2020.2974662 Google Scholar

11. Wang, H. X., G. P. Wang, X. Wang, H. Chen, J. F. Pan, and L. J. Xu, "An improved torque sharing function control strategy for SRM based on a 7-level T-type converter," Power System Protection and Control, Vol. 53, No. 17, 57-66, 2025.
doi:10.19783/j.cnki.pspc.247006 Google Scholar

12. Ren, Ping, J. W. Zhu, Yan Zhao, Y. P. Liu, Z. Jing, and S. K. Zhang, "Speed control strategy for switched reluctance motor based on dual sliding mode controller," Proceedings of the CSEE, Vol. 44, No. 11, 4501-4512, 2024.
doi:10.13334/j.0258-8013.pcsee.231331 Google Scholar

13. Yang, F., H. Chen, X. D. Li, Miguel Pablo Aguirre, and Muhammad Asghar Saqib, "An efficient torque sharing function for optimizing the commutation zone control strategy of switched reluctance motors," Transactions of China Electrotechnical Society, Vol. 39, No. 6, 1671-1683, 2024.
doi:10.19595/j.cnki.1000-6753.tces.222226 Google Scholar

14. Ding, Shichuan, Xiaobin Huang, Jun Hang, and Wei Li, "Improved efficiency optimization control of SRM based on redefined optimal turn-on angle and its corresponding analytical formula," IEEE Transactions on Power Electronics, Vol. 39, No. 12, 16508-16520, 2024.
doi:10.1109/tpel.2024.3447038 Google Scholar

15. Kumar, M. Naveen and R. Chidanandappa, "Novel design and simulation of fuzzy controller for turn-on & turn-off angle in coordination with SRM speed control for electric vehicles," Indonesian Journal of Electrical Engineering and Informatics (IJEEI), Vol. 10, No. 2, 246-262, 2022.
doi:10.52549/ijeei.v10i2.3700 Google Scholar

16. Martin, G., C. Agees Kumar, and J. Jerusalin Carol, "A modified crow search algorithm is used to minimize torque ripple for switched reluctance motor drives in electric vehicle application," Journal of Intelligent & Fuzzy Systems, Vol. 49, No. 6, 1349-1370, 2025.
doi:10.1177/18758967251353404 Google Scholar

17. Ben, Tong, Hongliang Wang, Long Chen, Yongchao Zhang, and Libing Jing, "Torque ripple reduction strategy for switched reluctance motor based on segmented non-linear correction torque sharing function," Journal of Power Electronics, Vol. 24, No. 12, 1933-1943, 2024.
doi:10.1007/s43236-024-00867-5 Google Scholar

18. Yan, Wenju, Jun Xin, Kun Zhang, Hao Chen, Yang Wang, Xinzhu Sun, and Qing Wang, "Torque ripple reduction of double stator switched reluctance machine with complementary inner and outer stator torques," IEEE Transactions on Transportation Electrification, Vol. 11, No. 4, 9602-9612, 2025.
doi:10.1109/tte.2025.3564056 Google Scholar

19. Ben, T., H. Nie, L. Chen, J. Wang, and L. Jing, "SRM torque ripple suppression strategy based on sinusoidal compensation torque sharing function," Electric Machines and Control, Vol. 26, No. 8, 100-111, 2022.
doi:10.15938/j.emc.2022.08.011 Google Scholar

20. Genc, Ufuk and Burak Tekgun, "Instantaneous torque error compensation based online torque sharing function for Switched reluctance Machines," Alexandria Engineering Journal, Vol. 75, 261-270, 2023.
doi:10.1016/j.aej.2023.05.085 Google Scholar

21. Zhang, Xinhua, Yu Mao, Xiaodong Sun, Liyun Feng, and Yefei Xiong, "Torque online correction control of switched reluctance motor based on optimized torque sharing function," IEEE Transactions on Energy Conversion, Vol. 39, No. 3, 1750-1762, 2024.
doi:10.1109/tec.2024.3370741 Google Scholar

22. Sun, Xiaodong, Yefei Xiong, Jufeng Yang, and Xiang Tian, "Torque ripple reduction for a 12/8 switched reluctance motor based on a novel sliding mode control strategy," IEEE Transactions on Transportation Electrification, Vol. 9, No. 1, 359-369, 2023.
doi:10.1109/tte.2022.3161078 Google Scholar

23. Song, Shoujun, Shuo Huang, Yong Zhao, Xujing Zhao, Xiaoli Duan, Ruiqing Ma, and Weiguo Liu, "Torque ripple reduction of switched reluctance machine with torque distribution and online correction," IEEE Transactions on Industrial Electronics, Vol. 70, No. 9, 8842-8852, 2023.
doi:10.1109/tie.2022.3210516 Google Scholar

24. Huang, Chaozhi, Wensheng Cao, Yanwen Sun, Zhou Chen, and Wenjin Zhang, "A control method of switched reluctance motor based on non-unity TSF and adaptive overlapping angle," Progress In Electromagnetics Research C, Vol. 133, 233-249, 2023.
doi:10.2528/pierc23021802 Google Scholar

25. Ge, Lefei, Jixi Zhong, Qiyuan Cheng, Zizhen Fan, Shoujun Song, and Rik W. De Doncker, "Model predictive control of switched reluctance machines for suppressing torque and source current ripples under bus voltage fluctuation," IEEE Transactions on Industrial Electronics, Vol. 70, No. 11, 11013-11021, 2023.
doi:10.1109/tie.2022.3229341 Google Scholar

Dr. Huan Liu

Dr. Junxin Xu

Dr. Chaozhi Huang

Dr. Zikai Wei

Dr. Zhifeng Liu