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dc.contributor.authorWang, CCen_US
dc.contributor.authorYao, YDen_US
dc.contributor.authorChang, YHen_US
dc.contributor.authorTung, PCen_US
dc.contributor.authorXiao, RBen_US
dc.date.accessioned2014-12-08T15:19:09Z-
dc.date.available2014-12-08T15:19:09Z-
dc.date.issued2005-05-15en_US
dc.identifier.issn0021-8979en_US
dc.identifier.urihttp://dx.doi.org/10.1063/1.1847251en_US
dc.identifier.urihttp://hdl.handle.net/11536/13720-
dc.description.abstractAn innovative damping induced by magnetic force was designed successfully for a totally passive magnetic bearing motor. A magnetic ring of high permeability and an annular-shaped rubber pad were mounted on the stator 0.55 mm below the permanent magnet of the rotor. Computer simulations were compared with experimental measurements to decide on the material and configuration of the critical components. The natural frequencies for lateral and rotational modes of the rotor are around 22 Hz measured by impulse method. Both the magnetic bearing motor with and without magnetic damping are rotated at a rated speed of 3840 rpm, which is far above the first critical speed of 1305 rpm. Without magnetic damping, the natural damping ratio in the radial direction of the rotor is 0.0655. After damping, it increases to 0.1401. We have demonstrated by both experimental measurement and theoretical calculation that the antishock performance is significantly improved by the innovative damping technology in a passive magnetic bearing motor. (c) 2005 American Institute of Physics.en_US
dc.language.isoen_USen_US
dc.titleMagnetic force-induced damping effect for magnetic bearing motoren_US
dc.typeArticle; Proceedings Paperen_US
dc.identifier.doi10.1063/1.1847251en_US
dc.identifier.journalJOURNAL OF APPLIED PHYSICSen_US
dc.citation.volume97en_US
dc.citation.issue10en_US
dc.citation.epageen_US
dc.contributor.department交大名義發表zh_TW
dc.contributor.departmentNational Chiao Tung Universityen_US
dc.identifier.wosnumberWOS:000230168500277-
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