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<p>The magnetic field modulation motor has received a lot of attention account for its superior performance. To further increase the output torque of the motor, a double-flux-modulator magnetic field modulation motor(DFMM) with unequal Halbach arrays and auxiliary teeth is proposed in this paper. The outer layer of the proposed model adopts a 9s/8p stator, and the windings adopt double-layer windings. The auxiliary teeth are placed on the stator and can not only be used as magnetic regulators, but also for isolation between phases. Furthermore, the inner rotor permanent magnet adopts unequal Halbach arrays, which can optimize the air gap magnetic density. Meanwhile, the parametric model of the motor is established by using the finite element method (FEM) and was optimized by Multi-objective optimization. In the end, the torque, back-EMF and torque ripple of the motor are calculated. The output torque of the proposed model is enhanced by 10.61%, the torque ripple is decreased by 23.36%.</p>

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A Dual-Flux-Modulators Magnetic Field Modulation Machine with Unequal Halbach Arrays and Auxiliary Teeth

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • Tao Wang,
  • Zeyu Min,
  • Weizhao Tang,
  • Libing Jing

摘要

The magnetic field modulation motor has received a lot of attention account for its superior performance. To further increase the output torque of the motor, a double-flux-modulator magnetic field modulation motor(DFMM) with unequal Halbach arrays and auxiliary teeth is proposed in this paper. The outer layer of the proposed model adopts a 9s/8p stator, and the windings adopt double-layer windings. The auxiliary teeth are placed on the stator and can not only be used as magnetic regulators, but also for isolation between phases. Furthermore, the inner rotor permanent magnet adopts unequal Halbach arrays, which can optimize the air gap magnetic density. Meanwhile, the parametric model of the motor is established by using the finite element method (FEM) and was optimized by Multi-objective optimization. In the end, the torque, back-EMF and torque ripple of the motor are calculated. The output torque of the proposed model is enhanced by 10.61%, the torque ripple is decreased by 23.36%.