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Investigation of a Micro Two-Phase Flux-Switching Motor

Author

Listed:
  • Da-Chen Pang

    (Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, 415 Jian Gong Road, Sanmin District, Kaohsiung 80778, Taiwan)

  • Hsuan-Chi Huang

    (Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, 415 Jian Gong Road, Sanmin District, Kaohsiung 80778, Taiwan)

  • Bo-Xian Song

    (Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, 415 Jian Gong Road, Sanmin District, Kaohsiung 80778, Taiwan)

  • Gia-Thinh Bui

    (Office of Testing and Quality Assurance, Hai Phong University, 171 Phan Dang Luu Road, Ngoc Son Ward, Kien An District, Hai Phong City 180000, Vietnam)

Abstract

This paper presents the world’s smallest two-phase flux-switching motor (FSM), featuring a four-pole stator and a two-pole rotor with a non-uniform air gap design. The FSM offers several advantages, including a compact size, simple structure, and ease of manufacturing, making it suitable for future micromachine applications. The motor has an outer stator diameter of 8 mm, an outer rotor diameter of 4 mm, and a stack length of 5 mm. This research employs a topological method and JMAG-Designer Ver.22.0 electromagnetic analysis software to enhance the rotor design for high output torque and low torque ripple. The final design achieves an average torque of 174 μN-m and a torque ripple of 40%, which is lower than those of any two-phase motor reported in the literature. The two-phase FSM has been fabricated, assembled, and tested to demonstrate its feasibility.

Suggested Citation

  • Da-Chen Pang & Hsuan-Chi Huang & Bo-Xian Song & Gia-Thinh Bui, 2025. "Investigation of a Micro Two-Phase Flux-Switching Motor," Energies, MDPI, vol. 18(3), pages 1-19, February.
  • Handle: RePEc:gam:jeners:v:18:y:2025:i:3:p:751-:d:1585039
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