Research on Single Current Loop Weak Magnetic Control of Permanent Magnet Motor Based on Improved Terminal Sliding Mode

GAN Shaowei; ZHOU Guoqiang; YU Zilei; SUN Jian; JIA Yuxin

doi:10.11993/j.issn.2096-3920.2024-0166

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GAN Shaowei, ZHOU Guoqiang, YU Zilei, SUN Jian, JIA Yuxin. Research on Single Current Loop Weak Magnetic Control of Permanent Magnet Motor Based on Improved Terminal Sliding Mode[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2024-0166

Citation:

GAN Shaowei, ZHOU Guoqiang, YU Zilei, SUN Jian, JIA Yuxin. Research on Single Current Loop Weak Magnetic Control of Permanent Magnet Motor Based on Improved Terminal Sliding Mode[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2024-0166

Citation:

GAN Shaowei, ZHOU Guoqiang, YU Zilei, SUN Jian, JIA Yuxin. Research on Single Current Loop Weak Magnetic Control of Permanent Magnet Motor Based on Improved Terminal Sliding Mode[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2024-0166

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Research on Single Current Loop Weak Magnetic Control of Permanent Magnet Motor Based on Improved Terminal Sliding Mode

doi: 10.11993/j.issn.2096-3920.2024-0166

1.
China Classification Society Wuhan Rules & Research Institute, Wuhan 430010, China
2.
CSSC Silent Electrical System Technology Co., Ltd., Wuxi 21400, China
3.
Jiangsu University Science and Technology, Automation School, Zhenjiang 212100

Received Date: 2024-12-13
Accepted Date: 2025-01-20
Rev Recd Date: 2025-01-06

Available Online: 2025-07-23

Abstract

Abstract

Aiming at the problem of poor stability of permanent magnet propulsion motors in underwater vehicle propulsion systems under deep weak magnetic conditions, a single current regulator sliding mode weak magnetic control method is proposed for the built-in permanent magnet synchronous motor(IPMSM). The method is based on the current limit circle and voltage limit circle, and adopts the maximum torque per ampere(MTPA) control below the base speed of the IPMSM, and the single current regulator-variable q-axis voltage(SCR-VQV) weak magnetism control strategy above the base speed; in order to enhance the system, the weak magnetism control method is proposed for the built-in permanent magnet synchronous motor IPMSM. voltag SCR-VQV weak magnetic control strategy is used above the base speed; in order to enhance the robustness of the system, a new type of integral terminal sliding mode control (ITSMC) with improved double power convergence rate is proposed to replace the traditional PI control in the speed outer loop of the SCR-VQV control. Finally, the stability of the system is proved by experiments.

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References(17)

References

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