Minimization Design of Normal Force in Synchronous Permanent Magnet Planar Motor With Halbach Array

This paper deals with the characteristics analysis and the normal force minimization of a synchronous permanent magnet planar motor (SPMPM) with a Halbach magnet array. The characteristics such as flux density, back-EMF and thrust are evaluated and compared with experimental values. The measured val...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2008-06, Vol.44 (6), p.1526-1529
Main Authors: Rui Huang, Rui Huang, Jianpei Zhou, Jianpei Zhou, Gyu-Tak Kim, Gyu-Tak Kim
Format: Article
Language:English
Subjects:
Arrays
Characteristics analysis of planar motor
Coils
Computer simulation
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Field emitter arrays
Force measurement
Friction
genetic algorithm
Genetic algorithms
Halbach permanent magnet array
Magnetic analysis
Magnetic flux
Magnetism
Materials science
Minimization
minimization of normal force
Motors
Optimization
Other topics in materials science
Permanent magnets
Physics
Planar motors
Prototypes
Saturation magnetization
Synchronous
Thrust
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Summary:This paper deals with the characteristics analysis and the normal force minimization of a synchronous permanent magnet planar motor (SPMPM) with a Halbach magnet array. The characteristics such as flux density, back-EMF and thrust are evaluated and compared with experimental values. The measured values of back-EMF are in good agreement with the simulation ones, but the experimental results of thrust are much smaller than those of simulation due to the friction force generated by the normal force. The normal force is minimized by using a genetic algorithm, and it is greatly decreased from 672.83 N to 144.24 N.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2007.914856