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Improving the Flux-weakening Torque Response Speed Strategy of Permanent Magnet Synchronous Motor
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Weikang CHEN1, Haixin WANG2, Zhiyong ZHANG2, Zhenyu CHEN2, Jie SHEN1, 2
Electric Drive | 2024, 54(11) : 4 - 10
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Electric Drive | 2024, 54(11): 4-10
Improving the Flux-weakening Torque Response Speed Strategy of Permanent Magnet Synchronous Motor
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Weikang CHEN1, Haixin WANG2, Zhiyong ZHANG2, Zhenyu CHEN2, Jie SHEN1, 2
Affiliations
  • 1. School of Electrical Engineering，Shanghai Dianji University，Shanghai 200120，China
  • 2. Leadrive Technology （Shanghai） Co.，Ltd.， Shanghai 200120，China
Published: 2024-11-20 doi: 10.19457/j.1001-2095.dqcd25897
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Flux-weakening control technology can effectively broaden the speed range of the permanent magnet synchronous machine（PMSM）， therefore， it is of great significance to the research on the flux-weakening control of permanent magnet synchronous machine. Most of flux-weakening modified the flux-weakening current command through a single PI link， and its response speed is slow and difficult to meet the high-performance control requirements， and due to the high coupling and nonlinearity of the flux-weakening loop， PI parameters setting is difficult. In order to solve the above shortage， a method of using a conversion look-up table was proposed to be added to the control system as a feedforward， having accelerated the speed of flux-weakening adjustment.While， the method of gain linearization was adopted， by analyzing the changes of the small signal model at different operating points， it solved the problem that the fixed PI parameters of the flux-weakening loop controller that have been set by experience cannot cope with the change of the operating point， which improved the stability and accuracy of the system. Finally， according to the simulation and experiments， it was verified that the improved method can improve the performance of flux-weakening control.

permanent magnet synchronous machine（PMSM）  /  flux-weakening control  /  look-up table algorithms  /  small signal model  /  gain linearization
Weikang CHEN, Haixin WANG, Zhiyong ZHANG, Zhenyu CHEN, Jie SHEN. Improving the Flux-weakening Torque Response Speed Strategy of Permanent Magnet Synchronous Motor[J]. Electric Drive, 2024 , 54 (11) : 4 -10 . DOI: 10.19457/j.1001-2095.dqcd25897
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Year 2024 volume 54 Issue 11
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doi: 10.19457/j.1001-2095.dqcd25897
  • Receive Date：2024-04-30
  • Online Date：2025-11-11
  • Published：2024-11-20
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  • Received：2024-04-30
Affiliations
    1. School of Electrical Engineering，Shanghai Dianji University，Shanghai 200120，China
    2. Leadrive Technology （Shanghai） Co.，Ltd.， Shanghai 200120，China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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