Optimal Design of Electromagnetic Force of Hidden—Pole Magnetic Suspension Linear Motor

In order to eliminate the frictional resistance of CNC machine feed platform and improve the machining accuracy and surface roughness, the hidden - pole magnetic suspension linear synchronous motor used to drive the CNC machine tool feed platform was studied. According to the special structure and o...

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Main Authors: Yunpeng Sun, Yipeng Lan
Format: Article
Language:English
Published: IEEE 2019-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8879538/
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author Yunpeng Sun
Yipeng Lan
author_facet Yunpeng Sun
Yipeng Lan
author_sort Yunpeng Sun
collection DOAJ
description In order to eliminate the frictional resistance of CNC machine feed platform and improve the machining accuracy and surface roughness, the hidden - pole magnetic suspension linear synchronous motor used to drive the CNC machine tool feed platform was studied. According to the special structure and operation mechanism of the hidden - pole magnetic suspension linear motor, the mathematical model of the electromagnetic force of the motor was established firstly. Then the finite element calculation for the air gap magnetic density, back electromotive force and electromagnetic force of two different structures of the motor of the salient pole and hidden pole was carried out by Finite element software, and the harmonic analysis for air gap magnetic density was done. By comparing the electromagnetic forces of the two motors, it is found that the hidden pole has less fluctuation of the electromagnetic force, so it is more suitable for feed platform as a driving component. Finally, Particle swarm optimization is used to optimize the electromagnetic force of the hidden-pole controlled-magnet linear magnetic suspension synchronous motor, which further reduces the fluctuation of the electromagnetic force, and also improves the efficiency of the motor. The results of the experimental prove the effectiveness of the control method.
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spelling doaj.art-ef67a5a9e4734237af1e593f27bece122022-12-21T22:22:05ZengIEEEIEEE Access2169-35362019-01-01715367515368210.1109/ACCESS.2019.29490028879538Optimal Design of Electromagnetic Force of Hidden—Pole Magnetic Suspension Linear MotorYunpeng Sun0https://orcid.org/0000-0003-0443-049XYipeng Lan1School of Electrical Engineering, Shenyang University of Technology, Shenyang, ChinaSchool of Electrical Engineering, Shenyang University of Technology, Shenyang, ChinaIn order to eliminate the frictional resistance of CNC machine feed platform and improve the machining accuracy and surface roughness, the hidden - pole magnetic suspension linear synchronous motor used to drive the CNC machine tool feed platform was studied. According to the special structure and operation mechanism of the hidden - pole magnetic suspension linear motor, the mathematical model of the electromagnetic force of the motor was established firstly. Then the finite element calculation for the air gap magnetic density, back electromotive force and electromagnetic force of two different structures of the motor of the salient pole and hidden pole was carried out by Finite element software, and the harmonic analysis for air gap magnetic density was done. By comparing the electromagnetic forces of the two motors, it is found that the hidden pole has less fluctuation of the electromagnetic force, so it is more suitable for feed platform as a driving component. Finally, Particle swarm optimization is used to optimize the electromagnetic force of the hidden-pole controlled-magnet linear magnetic suspension synchronous motor, which further reduces the fluctuation of the electromagnetic force, and also improves the efficiency of the motor. The results of the experimental prove the effectiveness of the control method.https://ieeexplore.ieee.org/document/8879538/Shidden pole linear synchronous motormagnetic suspension platformoptimizationparticle swarm algorithm
spellingShingle Yunpeng Sun
Yipeng Lan
Optimal Design of Electromagnetic Force of Hidden—Pole Magnetic Suspension Linear Motor
IEEE Access
Shidden pole linear synchronous motor
magnetic suspension platform
optimization
particle swarm algorithm
title Optimal Design of Electromagnetic Force of Hidden—Pole Magnetic Suspension Linear Motor
title_full Optimal Design of Electromagnetic Force of Hidden—Pole Magnetic Suspension Linear Motor
title_fullStr Optimal Design of Electromagnetic Force of Hidden—Pole Magnetic Suspension Linear Motor
title_full_unstemmed Optimal Design of Electromagnetic Force of Hidden—Pole Magnetic Suspension Linear Motor
title_short Optimal Design of Electromagnetic Force of Hidden—Pole Magnetic Suspension Linear Motor
title_sort optimal design of electromagnetic force of hidden x2014 pole magnetic suspension linear motor
topic Shidden pole linear synchronous motor
magnetic suspension platform
optimization
particle swarm algorithm
url https://ieeexplore.ieee.org/document/8879538/
work_keys_str_mv AT yunpengsun optimaldesignofelectromagneticforceofhiddenx2014polemagneticsuspensionlinearmotor
AT yipenglan optimaldesignofelectromagneticforceofhiddenx2014polemagneticsuspensionlinearmotor