Active Control for Whirling Motion of Flexible Rotor. - Takakazu Ishimatsu; Takashi Shimomachi; Nobuyoshi Taguchi (J. Robotics Mechatronics, 1991)

Two-Level Control Structure of Magnetic Bearings. - Nobuyoshi Taguchi; Takakazu Ishimatsu; Takashi Shimomachi (J. Robotics Mechatronics, 1993)