ベアリングレスリラクタンスモータの半径方向力の解析と軸位置制御装置の構成 An Analysis of Radial Forces and a Rotor Position Control Method of Reluctance Type Bearingless Motors

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Magnetic bearings have many advantages of maintenance free, oil free and active dumping. Although these bearings are suitable for high speed machines, an increase in the shaft length of a motor with two magnetic bearings causes low critical speeds. A bearingless motor is a combined motor with a magnetic bearing, so the shaft length can be short. Radial force for position control is produced with superimposed (<i>n</i>±2)-pole flux on <i>n</i>-pole motor flux. Therefore, the radial force may be influenced with variations in motor current. If so, the radial control system may be unstable depending on load conditions.<br>In this paper, a model of a 5-axis controlled bearingless motor is shown. It is explained with the model that the transfer characteristics of radial position control have variations depending on the motor current. To control radial positions at any motor operations, a decoupling control method is proposed. The effectiveness of the proposed control system is confirmed in experiments.

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  • 電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society  

    電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society 117(9), 1123-1131, 1997-09 

    The Institute of Electrical Engineers of Japan

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被引用文献:  12件

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各種コード

  • NII論文ID(NAID)
    10002725214
  • NII書誌ID(NCID)
    AN10012320
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09136339
  • NDL 記事登録ID
    4284705
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-1608
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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