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Electromagnetic Design and End Effect Suppression of a Tubular Linear Voice Motor for Precision Vibrating Sieves

Author

Listed:
  • Meizhu Luo

    (School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China)

  • Zijiao Zhang

    (College of Electrical and Information Engineering, Hunan University, Changsha 410082, China)

  • Yan Jiang

    (College of Electrical and Information Engineering, Hunan University, Changsha 410082, China)

  • Ji-an Duan

    (School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China)

Abstract

Precision vibrating sieves need a kind of power source, featuring small size, high frequency response, and small vibration amplitude. Linear Voice Coil Motor (LVCM) can achieve a high accelerated speed in a short stroke; it is an appropriate power source for the precision vibrating sieves. This paper designs a tubular LVCM with a volume no more than 6 cm 3 and a stroke no less than 1.5 mm. The electromagnetic topology of this LVCM is established to validate its feasibility; the back Electromotive Force (back EMF) and the electromagnetic force are calculated. The end effect of this tubular LVCM is studied in detail; the auxiliary pole and the magnetic conductive stator base are designed to suppress its end detent force. Then, the main structure parameters are globally optimized by the multi-objective genetic algorithm to obtain better performance. The prototype of this tubular LVCM is manufactured and tested. The results of the experiments are compared with those of theoretical analyses. It is indicated that this tubular LVCM can provide an accelerated speed of 15 g ; g is the gravitational acceleration.

Suggested Citation

  • Meizhu Luo & Zijiao Zhang & Yan Jiang & Ji-an Duan, 2025. "Electromagnetic Design and End Effect Suppression of a Tubular Linear Voice Motor for Precision Vibrating Sieves," Energies, MDPI, vol. 18(3), pages 1-12, February.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:3:p:704-:d:1582916
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    References listed on IDEAS

    as
    1. Chunyu Du & Lu Zhang & Xu Niu & Kai Yang, 2024. "Characteristics Analysis and Comparison of a Cylindrical Linear Induction Motor with Composite Secondary Structure," Energies, MDPI, vol. 17(6), pages 1-12, March.
    2. Zhaoxi Yi & Meizhu Luo & Ji-an Duan & Yan Jiang, 2024. "Adaptive Feedforward Control Based on Estimated Electromagnetic Parameters upon a Novel Two-Degrees-of-Freedom Actuator with a Unibody Magnetic Circuit," Energies, MDPI, vol. 17(12), pages 1-16, June.
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