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Multi-Objective Optimization Design of a New Permanent Magnet Synchronous Motor Based on the Taguchi Method

Author

Listed:
  • Chunyu Qu

    (School of Electric Power, Shenyang Institute of Engineering, Shenyang 110136, China)

  • Ziqi Guo

    (School of Electric Power, Shenyang Institute of Engineering, Shenyang 110136, China)

  • Yongzhuang Hu

    (School of Electric Power, Shenyang Institute of Engineering, Shenyang 110136, China)

  • Xiuping Wang

    (School of Electric Power, Shenyang Institute of Engineering, Shenyang 110136, China)

  • Fangxu Han

    (School of Electric Power, Shenyang Institute of Engineering, Shenyang 110136, China)

Abstract

To improve the performance and stability of the permanent magnet synchronous motor (PMSM), a new type of built-in permanent magnet synchronous motor (IPMSMB) is proposed. Firstly, the performance indexes of IPMSM, IPMSMA, and IPMSMB are compared by finite element analysis. The results show that the effective harmonic of the air-gap magnetic density of the motor increases when the rotor outer diameter is piecewise eccentric. At the same time, torque ripple and cogging torque decrease. Then the permanent magnet structure of the motor is changed on the basis of IPMSMA to form IPMSMB, which improves the output torque of the motor. Secondly, the Taguchi method is used to optimize the structural parameters of IPMSMB. After optimization, the output torque of IPMSMB is increased by 4.6%. The cogging torque and torque ripple are decreased by 45.5% and 25.7%, respectively. The consumption of permanent magnets is reduced by 7.74%. Finally, the rationality of the motor design is verified by the prototype experiment.

Suggested Citation

  • Chunyu Qu & Ziqi Guo & Yongzhuang Hu & Xiuping Wang & Fangxu Han, 2022. "Multi-Objective Optimization Design of a New Permanent Magnet Synchronous Motor Based on the Taguchi Method," Energies, MDPI, vol. 15(19), pages 1-18, October.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:19:p:7347-:d:934898
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    Cited by:

    1. Linwei Wang & Shuai Lu & Yangming Chen & Shiya Wang, 2023. "An In-Phase Unit Slot-Opening Shift Method for Cogging Torque Reduction in Interior Permanent Magnet Machine," Mathematics, MDPI, vol. 11(7), pages 1-14, April.

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