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Online Parameter Identification of Permanent Magnet Synchronous Motor Based on Affine Projection Algorithm
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Zhaodong WANG, Xuan HU, Lixue MEI, Faliang WANG
Journal of Power Supply | 2025, 23(7) : 218 - 228
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Journal of Power Supply | 2025, 23(7): 218-228
• Electric Machine System and Control •
Online Parameter Identification of Permanent Magnet Synchronous Motor Based on Affine Projection Algorithm
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Zhaodong WANG, Xuan HU, Lixue MEI, Faliang WANG
Affiliations
  • College of Machinery and Electronics Engineering, Jingdezhen University, Jingdezhen 333000, China
Published: 2025-11-30 doi: 10.13234/j.issn.2095-2805.2025.7.218
Outline
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Due to the rank deficiency of identification models, parameter coupling exists in the online identification of a permanent magnet synchronous motor (PMSM). To realize the parameter decoupling identification, an adaptive parameter identification algorithm based on the affine projection algorithm is proposed. By injecting instantaneous flux-weakening current signal on the d axis, the online decoupling identification of parameters such as the stator resistance, inductance and rotor flux linkage of a surface mounted PMSM is realized. Considering the nonlinear voltage drop caused by the dead-zone time of an inverter, turn-on and turn-off delay of switches, freewheeling diode saturated voltage drop, etc., a parameter identification model which is not affected by nonlinear voltage drop is constructed. Experimental results demonstrate that the proposed method can improve the identification accuracy of stator resistance, inductance and rotor flux linkage while speeding up the convergence rate of online identification.

Surface mounted permanent magnet synchronous motor (PMSM)  /  parameter decoupling identification  /  nonlinear observability  /  affine projection algorithm
汪兆栋, 胡瑄, 梅立雪, 王发良. 基于仿射算法的永磁同步电机参数在线辨识. 电源学报, 2025 , 23 (7) : 218 -228 . DOI: 10.13234/j.issn.2095-2805.2025.7.218
Zhaodong WANG, Xuan HU, Lixue MEI, Faliang WANG. Online Parameter Identification of Permanent Magnet Synchronous Motor Based on Affine Projection Algorithm[J]. Journal of Power Supply, 2025 , 23 (7) : 218 -228 . DOI: 10.13234/j.issn.2095-2805.2025.7.218
Funding
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  • National Natural Science Foundation of China(52175083)
  • Science and Technology Projects of Jiangxi Provincial Education Department(GJJ2202403)
Appendix
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Year 2025 volume 23 Issue 7
58
5
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Article Info
doi: 10.13234/j.issn.2095-2805.2025.7.218
  • Receive Date：2022-10-10
  • Online Date：2026-10-26
  • Published：2025-11-30
Article Data
Affiliations
History
  • Received：2022-10-10
  • Revised：2023-02-19
  • Accepted：2023-03-16
Funding
National Natural Science Foundation of China(52175083)
Science and Technology Projects of Jiangxi Provincial Education Department(GJJ2202403)
Affiliations
    College of Machinery and Electronics Engineering, Jingdezhen University, Jingdezhen 333000, China
References
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number of
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Percentage of
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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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