Design and analysis of permanent magnet-type bearingless motors. - Masahide Ooshima; Akira Chiba; Tadashi Fukao; M. Azizur Rahman (IEEE Trans. Ind. Electron., 1996)

Performances of bearingless and sensorless induction motor drive based on mutual inductances and rotor displacements estimation. - Takahiro Tera; Yoshikazu Yamauchi; Akira Chiba; Tadashi Fukao; M. Azizur Rahman (IEEE Trans. Ind. Electron., 2006)

Winding Design and Characteristic of a Consequent-Pole Type Bearingless Motor with 4-Axis Active Magnetic Suspension. - Miya Amada; Akira Mizuguchi; Yoshihiro Asano; Junichi Asama; Akira Chiba; Masatsugu Takemoto; Tadashi Fukao (IAS, 2007)

An Improved Rotor Resistance Identification Method for Magnetic Field Regulation in Bearingless Induction Motor Drives. - Akira Chiba; Daigo Akamatsu; Tadashi Fukao; M. Azizur Rahman (IEEE Trans. Ind. Electron., 2008)