ベアリングレスドライブの開発動向

書誌事項

タイトル別名
  • The State of the Art in Developments of Bearingless Drives
  • カイセツ ベアリングレスドライブ ノ カイハツ ドウコウ

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説明

A bearingless motor is a motor with a magnetically integrated bearing function. Both torque and magnetic suspension force is generated in one electromagnets. Several windings are wound and connected to a few inverters. Inverters are controlled so that motor rotational speed is regulated, in addition, rotor radial positions are also controlled by inverter currents.<br> Bearingless drives have been investigated by researchers for more than one decade. A few applications and extensive developments are going on in several countries.<br>In this paper, the state of the art is surveyed in the world wide developments of bearingless drives. Basic concepts and definitions are shown as well as related technologies. Based on a technical paper database including more than 100 papers written in English, technical terms, countries, machine types, winding structures, configurations are summarized. Characteristics are summarized for various types of bearingless machines. Several machine developments in bearingless technologies by manufacturers are also introduced.

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