3Wei Jiang,Paul E.Allaire et.al.Stiffness Analysis of Axially Polarized Radial Permanent Magnet Bearings [C].8th International Symposium on Magnetic Bearing,Mito,Japan,2002.
5[1]Bichsel J.Beitrage Zum Lagerlosen Elektromotor.Dissertation ETH, Zurich, 1990:233～239
6[2]Chiba A, Power D T,Rahman M A.Characteristics of a Bearingless Lnduction Motor.IEEE Transactions on Magnetics,1991,27(6):1083～1090
7[3]Schob R.Beitrage Zur Lagerlosen Asynchronmas-chine.Dissertation ETH,Zurich, 1993:139～145
8[4]Ohishi T,Dejima K.Analysis and Design of a Concentrated Wound Sta tor for Synchronous-Type Levitated Rotor.In:Fourth International Symposium on Magnetic Bearings, Zurich,1994:141～148
9[5]Masahide Ooshima, Satoru Miyazawa, Akira Chiba et al.A Rotor Design o f a Permanent Magnet-Type Bearingless Motor Considering Demagnetization.In:IEEE Pr oceeding of Power Conversion Conference, Nagaoka, 1997:665～660
10[6]Okada Y,Dejima K,Oshina T.Analysis and Comparison of PM Synchronous Mo tor and Induction Motor Type Magnetic Bearings.IEEE Transaction on Industry Appl ication,1995,31(5): 1047～1053
