Multi-Condition Energy Efficiency Optimization and Smooth-Switching Control of PMSM via Port-Hamiltonian System Principle

Authors

Bingchang Lv, Haisheng Yu, Xiangxiang Meng, Qing Yang, Qingkun Guo

Abstract

In practical engineering systems, permanent magnet synchronous motors (PMSMs) face challenges such as constrained electrical performance output, excessive energy losses, and discontinuous current transitions during condition switching when operating under multi-condition. To address the above problems, this paper proposes a smooth-switching control strategy that combines maximum torque per ampere (MTPA) and loss minimizing control (LMC). This strategy combines the respective advantages of the two control algorithms and can satisfy the demands of different working conditions. In addition, the proposed smooth-switching mechanism effectively eliminates the discontinuous current conversion problem during multi-condition switching, while mitigating the instability and vibration of the system. Then, the current controller is constructed by means of the port-Hamiltonian method. Meanwhile, energy shaping, damping injection and interconnection configuration approaches are introduced to achieve good steady-state performance of the system. Finally, the simulation results verify the effectiveness of the designed strategy.

Keywords

efficiency optimization, mtpa, pmsm, port-hamiltonian, smooth-switching

Citation

ISBN: 9789819540525
Publisher: Springer Nature Singapore
DOI: 10.1007/978-981-95-4053-2_31
Note: Chinese Intelligent Automation Conference

BibTeX

@inbook{Lv_2026,
  title={{Multi-Condition Energy Efficiency Optimization and Smooth-Switching Control of PMSM via Port-Hamiltonian System Principle}},
  ISBN={9789819540532},
  ISSN={1876-1119},
  DOI={10.1007/978-981-95-4053-2_31},
  booktitle={{Proceedings of 2025 Chinese Intelligent Automation Conference}},
  publisher={Springer Nature Singapore},
  author={Lv, Bingchang and Yu, Haisheng and Meng, Xiangxiang and Yang, Qing and Guo, Qingkun},
  year={2026},
  pages={289--298}
}

Download the bib file

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