Magnetic Field of a Tubular Linear Motor With Special Permanent Magnet

This paper describes a tubular linear motor with special permanent magnet. Then, two kinds of permanent magnet magnetization directions for this motor are proposed, and the air-gap magnetic field is calculated and researched based on a finite-element method. Moreover, the magnetic field of the slotl...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2011-01, Vol.39 (1), p.83-86
Main Authors: Li, Liyi, Xuzhen, Huang, Donghua, Pan, Jiwei, Cao
Format: Article
Language:English
Subjects:
Air gaps
Finite element analysis
Finite element method
Magnetic circuits
Magnetic concentrate
Magnetic fields
Magnetic flux
Magnetization
Mathematical analysis
Motors
permanent magnet
Permanent magnet motors
Permanent magnets
Permeability
Reluctance motors
slot less
Synchronous motors
tubular linear motor
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Summary:This paper describes a tubular linear motor with special permanent magnet. Then, two kinds of permanent magnet magnetization directions for this motor are proposed, and the air-gap magnetic field is calculated and researched based on a finite-element method. Moreover, the magnetic field of the slotless tubular linear motor is contrasted with that of the traditional interior axially magnetized permanent magnet tubular linear motors. Finally, the advantages of the motor are analyzed and pointed out.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2010.2057519