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This paper proposes a noble three-axis repulsive-type magnetic bearing that uses the motion control of permanent magnets. It has a three-segment permanent magnet of support. The motion of each segment is independently controlled with an actuator. This configuration enables the bearing to control the three-dimensional motion of the rotor. Anapparatus is fabricated for experimental study on the proposed magnetic bearing. The dynamics characteristics of the motion control system for the permanent magnets of support were measured. It was demonstrated that the proposed magnetic bearing system can achieve three-dimensional motion control.

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Booktitle: Proceedings of ISMB10