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Torque modeling of a spherical actuator based on Lorentz force law

  • Liang Yan*
  • , I. Ming Chen
  • , Chee Kian Lim
  • , Guilin Yang
  • , Wei Lin
  • , Kok Meng Lee
  • *此作品的通讯作者
  • Nanyang Technological University
  • Agency for Science, Technology and Research, Singapore
  • Georgia Institute of Technology

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

An actuator with 3-DOF spherical motion is developed based on layered arrangement of stator coils and rotor poles. Due to the use of air-core coils and permanent magnet poles, the torque model of the actuator cannot be obtained by traditional coenergy approach. This paper describes a generic torque modeling method based on Lorentz force law. The closed-form solution of the torque model is derived from the scalar potentials of the magnetic field. Experimental study on the torque model is carried out. A comparison between the closed-form solution and the experimental result shows that the proposed torque model is valid and can be used for real-time control.

源语言英语
主期刊名Proceedings of the 2005 IEEE International Conference on Robotics and Automation
3646-3651
页数6
DOI
出版状态已出版 - 2005
已对外发布
活动2005 IEEE International Conference on Robotics and Automation - Barcelona, 西班牙
期限: 18 4月 200522 4月 2005

出版系列

姓名Proceedings - IEEE International Conference on Robotics and Automation
2005
ISSN(印刷版)1050-4729

会议

会议2005 IEEE International Conference on Robotics and Automation
国家/地区西班牙
Barcelona
时期18/04/0522/04/05

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