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An electropermanent suspension system is presented in this paper which can suspend a load of 491 grammes at an air-gap of 61 mm with a current as little as 173 mA. The system comprises an electromagnet with high energy Neodymium-Iron-Boron magnets attached to the soft magnetic material core from both ends. Hall effect sensors are placed at the bottom of the electropermanent configuration which detect the magnetic field between the electropermanent magnet and the suspended load. The electronic circuitry of the sensors then ensure that the magnetic field is kept constant in the air-gap. The suspended load is also mounted with a high energy Neodymium-Iron-Boron magnet which adds to the already increased air-gap between the suspended load and the electropermanent magnet
Published in:
Magnetics, IEEE Transactions on
(Volume:31
,
Issue:
6
)
Date of Publication: Nov 1995
- Page(s):
- 4193 - 4195
- ISSN :
- 0018-9464
- INSPEC Accession Number:
- 5134954
- Digital Object Identifier :
- 10.1109/20.489923
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Nov 1995
- Sponsored by :
- IEEE Magnetics Society
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