Mover design and characteristics analysis of 2DoFDDIM


Two degree-of-freedom direct drive induction motor (2DoFDDIM), capable of rotary, linear and helical motion, has widespread application. A new mover structure is proposed, which is made from a hollow cylinder with copper cast in the axial slots and the circumferential slots on its surface. Then, three-dimensional finite element models of 2DoFDDIM are used to determine the performances of rotary, linear and helical motion developed by the motor. The results show that the new mover has a great improvement on the motor performances of all modes of motions compared with the initial mover. The researches on mover structure and characteristics of 2DoFDDIM present a new path of optimisation on 2DoFIM.

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Divisions: Engineering & Applied Sciences
Additional Information: This paper is a postprint of a paper submitted to and accepted for publication in IET Electric Power Applications and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at the IET Digital Library
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Related URLs: http://ieeexplo ... cument/8319579/ (Publisher URL)
PURE Output Type: Article
Published Date: 2018-03-22
Published Online Date: 2017-12-18
Accepted Date: 2017-11-07
Authors: Wang, Peixing
Si, Jikai
Feng, Haichao
Hu, Yihua
Cao, Wenping (ORCID Profile 0000-0002-8133-3020)



Version: Accepted Version

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