两自由度直驱感应电机电磁场分析和特性计算

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Abstract Two degrees of freedom(2-DOF) actuators capable of producing pure rotary motion, pure linear motion, or helical motion has a considerable application in mechanical tools and robotics etc. A new 2-DOF direct drive induction motor with hallow ferromagnetic mover coated with copper sheet was proposed in this paper. The equivalent plate model was adopted to simplify the complex electromagnetic analysis. The 3-D electromagnetic governing equations were established to calculate the electro-magnetic field quantities of air-gap, copper and steel of the rotor using Maxwell equations. The surface impedance of the medium was adopted to obtain rotor parameters according to the results of electro-magnetic field calculation. Compared the performance calculation results of equivalent circuit model with finite element mothod, the rationality and feasibility of the equivalent circuit model as well as the equivalent plate model was verified.

Key words： 2-DOF induction motor equivalent plate model 3-D electro-magnetic field equivalent circuit model finite element method

Received: 10 September 2014 Published: 08 September 2015

PACS:

TM359.4

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	Si Jikai
	Ai Liwang
	Xie Lujia
	Cao Wenping
	Zhu Yifeng

Cite this article:

Si Jikai,Ai Liwang,Xie Lujia等. Analysis on Electro-magnetic Field and Performance Calculation of 2-DOF Direct Drive Induction Motor[J]. Transactions of China Electrotechnical Society, 2015, 30(14): 153-160.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I14/153

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