ローレンツ力を用いたセルフベアリングモータの開発

概要

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A new type of Selfbearing motor is proposed using Lorentz force. It is intended for a disc type PM motor to have two funcutions of rotary motor and radial magnetic bearing. The rotor has a flat disc with eight pole permanent magnets on its surface. The stator has two sets of six concentrated windings : one produces the rotating torque, while the other one gives the radial force. Since the flat disc type eight pole motor with six concentrated stator coils is widely used due to its high efficiency. First, the fundamental principle how to produce the motoring torque and the bearing forces is introduced. Then the theoretical background of separate control capability is derived. Finally, an experimental setup is made to confirm the principle and possibility of this selfbearing motor.
一般社団法人日本機械学会の論文
2000-06-25