リニア同期モータのディテント力を低減する設計法 The Method of Design to Reduce the Detent Force of Linear Synchronous Motor

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Recently, complicated transport system is demanded in the field of factory automation for the reduction of labor in large-scale factory. Linear synchronous motor can produce large thrust force and high speed. Linear synchronous motor was not suitable for the long stroke transport system which needs high positioning precision and high speed simultaneously. The problem in improving the positioning precision is the large detent force arisen by permanent magnet. We analyzed the static thrust and detent force using FEM. Generally, if detent force is enough smaller than static thrust force, high positioning precision can be achieved.<br>We investigated the mechanisms of detent force generation. As the results, we proved that detent force is generated by the thrust caused by the difference between the magnet end and the tooth. We proved that if the width of the permanent magnet is too wide, the total detent force can be estimated by the superposition of each detent force. As the results of the study, we developed the method of design to reduce the detent force of permanent magnet linear synchronous motor. The detent force is reduced to 0.6 per cent of the maximum thrust force.

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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(4), 487-492, 1997-04 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002724298
  • 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
    4172159
  • 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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