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Hybrid Model Flux Observer of PMSM Considering Phase Compensation and Parameter Mismatch
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Anfei XU  Senior Member, CPSS, Xuesong ZHU, Lei YUAN  Member, CPSS
Journal of Power Supply | 2026, 24(8) : 251 - 263
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Journal of Power Supply | 2026, 24(8): 251-263
• Motor Drives and Control •
Hybrid Model Flux Observer of PMSM Considering Phase Compensation and Parameter Mismatch
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Anfei XU  Senior Member, CPSS, Xuesong ZHU, Lei YUAN  Member, CPSS
Affiliations
  • Hubei Key Laboratory of Solar Energy Efficient Utilization and Energy Storage Operation Control, Hubei University of Technology, Wuhan 430068, China
Published: 2026-08-30 doi: 10.13234/j.issn.2095-2805.2026.8.251
Outline
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In the traditional hybrid model flux observers (HMFO), errors exist in flux estimation due to phase deviation at low speeds, and the case of parameter mismatch will even bring serious challenges to their stability. To improve the accuracy and parameter robustness of flux observers, a flux observation model taking phase compensation and parameter mismatch into account is adopted, a transfer function for phase compensation is used, and an extended state observer (ESO) is introduced to conduct feedforward compensation for the disturbances caused by parameter mismatch. Finally, phase compensation comparison experiments, parameter robustness experiments, load sudden change experiments and experiments at extremely low speeds for a motor during its startup and in its full speed range were designed. Experimental results show that the proposed control strategy can enhance the system’s robustness with respect to parameter disturbances and improve the estimation accuracy of the system, and they also verify the effectiveness and feasibility of this control strategy.

Hybrid model flux observer (HMFO)  /  phase compensation  /  parameter mismatch  /  extended state observer (ESO)
徐岸非中国电源学会高级会员, 朱雪松, 袁雷中国电源学会会员. 考虑相位补偿和参数失配的永磁同步电机混合模型磁链观测器. 电源学报, 2026 , 24 (8) : 251 -263 . DOI: 10.13234/j.issn.2095-2805.2026.8.251
Anfei XU, Xuesong ZHU, Lei YUAN. Hybrid Model Flux Observer of PMSM Considering Phase Compensation and Parameter Mismatch[J]. Journal of Power Supply, 2026 , 24 (8) : 251 -263 . DOI: 10.13234/j.issn.2095-2805.2026.8.251
Funding
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  • Science and Technology Research Plan of Hubei Provincial Department of Education(D20221401)
  • Doctoral Research Startup Foundation of Hubei University of Technology(XJ2021000302)
Appendix
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Year 2026 volume 24 Issue 8
47
11
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.8.251
  • Receive Date：2024-11-19
  • Online Date：2026-10-29
  • Published：2026-08-30
Article Data
Affiliations
History
  • Received：2024-11-19
  • Revised：2024-12-18
  • Accepted：2025-01-26
Funding
Science and Technology Research Plan of Hubei Provincial Department of Education(D20221401)
Doctoral Research Startup Foundation of Hubei University of Technology(XJ2021000302)
Affiliations
    Hubei Key Laboratory of Solar Energy Efficient Utilization and Energy Storage Operation Control, Hubei University of Technology, Wuhan 430068, China
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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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