可動コイル型リニア直流モータの設計のための推力定数と寸法の関係 Relation between Thrust Constant and Size for Design of Moving Coil Type linear DC Motor

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In this paper, a relation between the limit value of thrust constant and size of a linear DC motor (LDM) that is moving coil type with unipolar is described. It is deduced the relation between the limit value of the thrust constant of the LDM and the dimension of the yokes. Its relation is defined as a <i>relational equation</i>. To maximize the rate of thrust to the volume of LDM, the magnetic flux density in the yoke is adjusted to the value of magnetic saturation. Then, the equation consists. It means that the thrust constant is in inverse proportion to the stroke and proportional to the sectional area of the center yoke. By measurement of the thrust of the LDM and result of the magnetic field analysis (finite element method), the validity of the equation is confirmed. The equation qualitatively agrees with the measurement result, and its maximum error is 26.0 percent. Then two type LDMs are designed to verify the accuracy of the relational equation. One LDM is thin (maximum thickness is 14mm) with long stroke (100mm) for pen recorder. Another LDM is for high response positioning system with strong thrust (20 N). The relational equation agrees well with measured thrust constants of these LDMs, its error is about 14 percent.

収録刊行物

  • 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(7), 863-869, 1997-07 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002724851
  • 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
    4248487
  • 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  NDL  J-STAGE 
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