文献详情
Analysis of Pole Configurations of Permanent-Magnet Spherical Actuators
文献类型期刊
作者Yan, Liang[1];Chen, I-Ming[2];Son, Hungsun[3];Lim, Chee Kian[4];Yang, Guilin[5]
机构
通讯作者Yan, LA (reprint author), Beihang Univ, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China.
来源信息年:2010  卷:15  期:6  页码范围:985-989  
期刊信息IEEE-ASME TRANSACTIONS ON MECHATRONICS影响因子和分区  ISSN:1083-4435
关键词Magnetic field; spherical actuator; torque
增刊正刊
摘要This paper presents a generic design concept of three degree-of-freedom (3-DOF) permanent-magnet (PM) spherical actuators. A ball-shaped rotor mounted with multiple layers of PM poles is concentrically housed in a spherical-shell-like stator with multiple layers of air-core coils. This design allows more rotor and stator poles to be incorporated to increase torque output and motion range of the actuator. The magnetic field and torque modeling methods are generalized to multiple layers of poles, which provides a convenient way to analyze field distribution and torque performance of spherical actuators with various pole configurations. The simulation results of flux distribution and torque variation of double-layer configuration are compared with those of single-layer one. It shows that the magnetic field distribution and torque variation for both configurations are coincident with PM-pole arrangement on the rotor surface. The tilting torque of double-layer design is larger than that of single layer, and the torque variation is more uniform. The spinning torque of single layer is relatively large. The proposed analyzing methods of field and torque could be employed for preliminary study of other PM spherical actuators.
收录情况SCIE(WOS:000285361700019)  EI(20105213518059)  
所属部门自动化科学与电气工程学院
DOI10.1109/TMECH.2010.2051160
百度学术Analysis of Pole Configurations of Permanent-Magnet Spherical Actuators
语言外文
被引频次1616
人气指数58
浏览次数58
基金Fundamental Research Funds for the Central Universities
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