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논문 기본 정보

자료유형
학술저널
저자정보
(Chung-Ang University) (Chung-Ang University) (Chung-Ang University)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.30 No.2
발행연도
수록면
141 - 149 (9page)
DOI
10.4283/JMAG.2025.30.2.141

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초록· 키워드

The increasing demand for compact, lightweight, and efficient motors has driven significant advancements in permanent magnet motor design. There is a growing need for technological advancements in miniaturization and weight reduction with increasing demand for compact motors across various fields. To reduce weight, steel back yokes in outer-rotor surface-mounted permanent magnet motors were replaced with plastic, enhancing performance in applications where size and weight are critical, such as in robotics, medical devices, electric vehicles, and drones. In this paper, the electromagnetic properties of an anisotropic ring-type permanent magnet in conjunction with a coreless rotor design are studied and analyzed. The paper explores the trade-offs between weight reduction and electromagnetic performance, providing an analysis of how material substitutions impact a motor's functionality. It also highlights the potential benefits and challenges associated with miniaturization. Furthermore, the changes in electromagnetic performance due to the substitution of the back yoke material were also compared.
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목차

  1. 1. Introduction
  2. 2. Anisotropic Permanent Magnet Characteristics
  3. 3. Analysis Model
  4. 4. Variation in Electromagnetic Performance Depending on Magnetization Direction
  5. 5. Variation in Electromagnetic Performance According to Magnetization Pattern
  6. 6. No Load Analysis based on Back Yoke Thickness
  7. 7. Electromagnetic Force Characteristics
  8. 8. No-Load Analysis According to Number of Poles
  9. 9. Conclusion
  10. References

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