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JRM Vol.5 No.5 pp. 438-442
doi: 10.20965/jrm.1993.p0438
(1993)

Paper:

Two-Level Control Structure of Magnetic Bearings

Nobuyoshi Taguchi*, Takakazu Ishimatsu**, Takashi Shimomachi***

*Technology Center of Nagasaki, 2-1303-8, Ikeda, Ohmura, Nagasaki, 856 Japan

**Nagasaki University, 1-14, Bunkyo-machi, Nagasaki, 852 Japan

***Yatsushiro National College of Technology, 2627, Hirayama-shinmachi, Yatsushiro, Kumamoto, 866 Japan

Received:
April 18, 1993
Accepted:
April 25, 1993
Published:
October 20, 1993
Keywords:
Active control, Vibration control, Magnetic bearings
Abstract

Active magnetic bearings have several advantages over conventional mechanical and fluid bearings. However, when the magnetic bearings are used at high rotational speeds, whirling motions and vibrations synchronized with the rotation of the rotor should be considered. In order to suppress these unfavorable vibrations of rotor which is supported by magnetic bearings, we have developed an active vibration control system with a two-level control structure. Experimental results show that our active bearings system effectively suppresses the whirling motion.

Cite this article as:
Nobuyoshi Taguchi, Takakazu Ishimatsu, and Takashi Shimomachi, “Two-Level Control Structure of Magnetic Bearings,” J. Robot. Mechatron., Vol.5, No.5, pp. 438-442, 1993.
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