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Analysis and design of a magnetically levitated planar motor with novel multilayer windings

Guo, Liang; Zhang, He; Galea, Michael; Lin, Jing; Lu, Wenqi; Gerada, C.

Authors

Liang Guo

He Zhang He.ZHANG@nottingham.edu.cn

MICHAEL GALEA Michael.Galea@nottingham.ac.uk
Professor of Electrical Machines and Drives

Jing Lin

Wenqi Lu



Abstract

This paper proposes a novel permanent magnet planar motor with moving multilayer orthogonal overlapping windings. This novel motor topology can achieve a five-degrees-of-freedom drive using two sets of x-direction windings and two sets of y-direction windings in a coreless configuration. The orthogonal multilayer construction guarantees a high utilization of the magnetic field and realizes decoupling between the x-direction thrust and the y-direction thrust. The topology and operating principle of the planar motor are introduced in this paper. The analytical modeling of the motor is established based on the equivalent current method, and the expressions of forces are derived. The force characteristics of the two-layer and three-layer winding topologies are compared, and the design guidelines of a planar motor are proposed. The analytical and 3-D finite-element model results are validated with the experimental results of a tested prototype.

Journal Article Type Article
Publication Date Apr 8, 2015
Journal IEEE Transactions on Magnetics
Print ISSN 0018-9464
Electronic ISSN 0018-9464
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 51
Issue 8
APA6 Citation Guo, L., Zhang, H., Galea, M., Lin, J., Lu, W., & Gerada, C. (2015). Analysis and design of a magnetically levitated planar motor with novel multilayer windings. IEEE Transactions on Magnetics, 51(8), https://doi.org/10.1109/TMAG.2015.2421281
DOI https://doi.org/10.1109/TMAG.2015.2421281
Keywords Analytical models; Degrees of freedom (mechanics); Electric machine theory; Finite element method; Linear motors; Magnetic levitation; Magnetic levitation vehicles; Multilayers; Permanent magnets; Topology; Winding
3D finite element model; Equivalent cur
Publisher URL http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7081764
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information c2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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