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Article

A Coordinated Steady-State Optimization and Dynamic Control Scheme for Dual-Inverter OW-PMSM Drive Systems Focusing on Power Allocation

1
School of Mechanical Engineering, Hebei University of Technology, Tianjin 300400, China
2
Tianjin Key Laboratory of Power Transmission and Safety Technology for New Energy Vehicles, Hebei University of Technology, Tianjin 300400, China
3
National Key Laboratory of Automotive Chassis Integration and Bionics, College of Automotive Engineering, Jilin University, Changchun 130022, China
*
Author to whom correspondence should be addressed.
Energies 2026, 19(10), 2287; https://doi.org/10.3390/en19102287
Submission received: 15 March 2026 / Revised: 23 April 2026 / Accepted: 28 April 2026 / Published: 9 May 2026

Abstract

The dual-inverter open-winding permanent magnet synchronous motor (OW-PMSM) drive system exhibits significant advantages for electric vehicles with dual energy sources, particularly in achieving coordinated energy management and efficient power allocation between the sources. Based on the dual-inverter OW-PMSM drive configuration, this paper proposes two stator current planning algorithms: one aims to minimize the electrical losses during motor operation and the other aims to maximize the power allocation range of the dual inverters, respectively. Building upon this, a geometric algorithm for stator voltage vector allocation is proposed to achieve smooth switching of the motor between the two algorithms. This enhances the tracking performance of the electromagnetic torque and d-axis current during motor operation, while ensuring that the motor operates within its steady-state range, thereby improving system stability. Finally, simulations and experiments are conducted on the proposed algorithm to verify its feasibility and advantages.
Keywords: dual inverter; open-winding permanent magnet synchronous motor (OW-PMSM); stator current planning; loss minimization; power allocation; dynamic current control; voltage vector allocation dual inverter; open-winding permanent magnet synchronous motor (OW-PMSM); stator current planning; loss minimization; power allocation; dynamic current control; voltage vector allocation

Share and Cite

MDPI and ACS Style

Cui, X.; Jia, Y.; Xu, N.; Wang, A.; Zhang, S.; Wu, Q. A Coordinated Steady-State Optimization and Dynamic Control Scheme for Dual-Inverter OW-PMSM Drive Systems Focusing on Power Allocation. Energies 2026, 19, 2287. https://doi.org/10.3390/en19102287

AMA Style

Cui X, Jia Y, Xu N, Wang A, Zhang S, Wu Q. A Coordinated Steady-State Optimization and Dynamic Control Scheme for Dual-Inverter OW-PMSM Drive Systems Focusing on Power Allocation. Energies. 2026; 19(10):2287. https://doi.org/10.3390/en19102287

Chicago/Turabian Style

Cui, Xiaozhe, Yifan Jia, Nan Xu, Aoyun Wang, Shuo Zhang, and Qingyu Wu. 2026. "A Coordinated Steady-State Optimization and Dynamic Control Scheme for Dual-Inverter OW-PMSM Drive Systems Focusing on Power Allocation" Energies 19, no. 10: 2287. https://doi.org/10.3390/en19102287

APA Style

Cui, X., Jia, Y., Xu, N., Wang, A., Zhang, S., & Wu, Q. (2026). A Coordinated Steady-State Optimization and Dynamic Control Scheme for Dual-Inverter OW-PMSM Drive Systems Focusing on Power Allocation. Energies, 19(10), 2287. https://doi.org/10.3390/en19102287

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