A Study on Output Characteristics of the Spherical Multi-DOF Motor According to the Number of Phases and Pole Pitch Angles
- Authors
- Cho, Sooyoung; Lim, Jong-Suk; Oh, Ye Jun; Jeong, Geochul; Kang, Dong-Woo; Lee, Ju
- Issue Date
- Nov-2018
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Actuator; multi-degree-of-freedom (multi-DOF) motor; output density; spherical motor; stability
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.54, no.11
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 54
- Number
- 11
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/149047
- DOI
- 10.1109/TMAG.2018.2839742
- ISSN
- 0018-9464
- Abstract
- This paper studies the output performance improvement of the spherical multi-degree-of-freedom (multi-DOF) motor. The multi-DOF motor is a motor that is designed to drive in multiple axes. Therefore, it is important that the shape of the motor should be fabricated to enable multi-axis driving when designing the multi-DOF motor. In addition, it is essential to consider the output density characteristics and stability characteristic analysis to reduce the volume of the multi-DOF motor and to operate of the motor in the stable range, respectively. In this paper, the structure and operating characteristics of the spherical multi-DOF motor with dual air gaps are described. In order to improve the output characteristics of the multi-DOF motor, characteristics analysis was performed according to the change of the number of the phases and pole pitch angles, and stability characteristic analysis for stable operation of the multi-DOF motor was performed.
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