201 パルス駆動による高温超電導浮上モータの開発(メカトロニクスI)

概要

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A high-speed motor with high temperature superconducting levitation is presented. In the motor, a high temperature superconductor supports the lower end of the shaft, but a pair of permanent magnets supports the upper end. In order to increase the rigidity, the attractive force between the permanent magnets applies in the downward direction. The driving system consists of six coils and eight poles magnet in which the poles are arranged as N-S-N... The driving method of the motor is presented. It is difficult to pass through the critical speeds, so that a vibration control system is also presented. The control system consists of four coils that give the magnetic forces to the levitation magnet of the shaft. A control method has been given. Both the theoretical and experimental results are obtained for the proposed system.
一般社団法人日本機械学会の論文
2000-06-23