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  4. Principles and Test Result of Novel Full Passive Magnetic Levitation Motor with Diamagnetic Disk
 
conference paper

Principles and Test Result of Novel Full Passive Magnetic Levitation Motor with Diamagnetic Disk

Ozawa, Yoshiki
•
Fujii, Yusuke
•
Chiba, Akira
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January 1, 2021
2021 Ieee Energy Conversion Congress And Exposition (Ecce)
13th IEEE Energy Conversion Congress and Exposition (IEEE ECCE)

This paper proposes a novel full passive magnetic levitation motor without active magnetic suspension. It has a magnetic levitation unit and a motor unit. The Halbach array permanent magnets and a pyrolytic graphite (PG) disk realize the full passive magnetic levitation. The rotational motor torque is generated by a coreless motor. The axial and radial stable forces are calculated by the diamagnetic equation based with magnetic field distribution given by the 3-D FEM analysis. In experiment, the static levitation force and axial vibrations are measured and speed control test is conducted as high as 4000 r/min.

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Type
conference paper
DOI
10.1109/ECCE47101.2021.9595636
Web of Science ID

WOS:000805434404021

Author(s)
Ozawa, Yoshiki
Fujii, Yusuke
Chiba, Akira
Sugimoto, Hiroya
Suzuki, Haruhiko
Bleuler, Hannes  
Date Issued

2021-01-01

Publisher

IEEE

Publisher place

New York

Published in
2021 Ieee Energy Conversion Congress And Exposition (Ecce)
ISBN of the book

978-1-7281-5135-9

Series title/Series vol.

IEEE Energy Conversion Congress and Exposition

Start page

3943

End page

3948

Subjects

full passive magnetic levitation

•

magnetic bearing

•

diamagnetic

•

pyrolytic graphite

•

coreless motor

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSRO  
Event nameEvent placeEvent date
13th IEEE Energy Conversion Congress and Exposition (IEEE ECCE)

ELECTR NETWORK

Oct 10-14, 2021

Available on Infoscience
July 4, 2022
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/188947
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