Analytical Force Calculations for High-Precision Planar Actuator With Halbach Magnet Array

In this paper, an analytical approach is presented to calculate the magnetic force between the mover and the stator of an electromagnetic planar actuator. The key is to use the coenergy method to calculate the force, in such a way that the stator current can be predicted properly to offer the accura...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2009-10, Vol.45 (10), p.4543-4546
Main Authors: Hao Jiang, Hao Jiang, Xueliang Huang, Xueliang Huang, Gan Zhou, Gan Zhou, Yubin Wang, Yubin Wang, Zheng Wang, Zheng Wang
Format: Article
Language:English
Subjects:
Actuators
Analytical force calculations
Arrays
coenergy method
Coils
Computer simulation
Electromagnetic forces
Finite element method
Force control
Halbach array
Magnetic analysis
Magnetic fields
Magnetic flux
Magnetic forces
Magnetism
Mathematical analysis
Mathematical models
permanent magnet
Permanent magnet motors
Permanent magnets
planar actuator
Stators
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Summary:In this paper, an analytical approach is presented to calculate the magnetic force between the mover and the stator of an electromagnetic planar actuator. The key is to use the coenergy method to calculate the force, in such a way that the stator current can be predicted properly to offer the accurate orientation and location for the real-time control of the high-precision planar actuator. The proposed approach affords the advantage of fast and straightforward computation. Both the simulation with ANSYS finite-element method (FEM) and the experimentation are given to support the validity.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2009.2023879