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Browse Journals & Magazines > Magnetics, IEEE Transactions ...> Volume:49 Issue:1 Help

Passive Magnetic Levitation of Rotors on Axial Electrodynamic Bearings

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4 Author(s)
Impinna, F. ; Dept. of M.ech. & Aerosp. Eng., Politec. di Torino, Turin, Italy ; Detoni, J.G. ; Amati, N. ; Tonoli, A.

The present paper presents a new modeling approach for null flux axial electrodynamic bearings. Such approach allows defining stability bounds for rotors supported with this type of passive magnetic suspension. The linearized models are developed using the bond graph methodology to better understand the multiphysics nature of the magnetic suspension. The adoption of complex variables together with the bond graph formalism is introduced in order to reduce the complexity of the system's equations. Rules for the use of this approach are established and demonstrated.

Published in:
Magnetics, IEEE Transactions on  (Volume:49 ,  Issue: 1 )

Date of Publication: Jan. 2013

Page(s):
599 - 608
ISSN :
0018-9464
INSPEC Accession Number:
13189916
Digital Object Identifier :
10.1109/TMAG.2012.2209124
Date of Publication :
27 July 2012
Date of Current Version :
21 December 2012
Issue Date :
Jan. 2013
Sponsored by :
IEEE Magnetics Society

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