円筒状コイル可動形リニア直流モニターの推力/入力比に関する考察 Considerations on Thrust-to-Input Ratio of a Cylindrical Moving Coil Type Linear DC Motor

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Linear DC motors (LDMs) are widely used for servo-actuator, compressor and so on. High-efficiency LDMs are strongly desired for compressors. To realize the LDMs with high-efficiency characteristics, decreasing the copper losses, namely, thrust-to-input ratio, <i>F</i>/<i>P</i>, must be increased. This paper describes an optimization method for the <i>F</i>/<i>P</i> of a moving coil type LDM. The following results are obtained:<br>(1) Simplified expression for the <i>F</i>/<i>P</i> of the LDM is derived from the permeance analysis method. The effects that dimensions of the LDM influence the <i>F</i>/<i>P</i> of the LDM are investigated through the simplified expression for the <i>F</i>/<i>P</i>. As a result, the optimum dimension of the LDM for maximizing the <i>F</i>/<i>P</i> exists.<br>(2) When the static thrust is 100 N, the measured <i>F</i>/<i>P</i> of the initial LDM is 7.9 N/W, and the errors by using the simplified expression for the <i>F</i>/<i>P</i> and the finite element method (FEM) are 33% and 8%, respectively. Derived simplified expression for the <i>F</i>/<i>P</i> is useful because the <i>F</i>/<i>P</i> can be calculated easily.<br>(3) An improved LDM, which has 26% higher <i>F</i>/<i>P</i> than those of the initial LDM, is designed by using the permeance analysis method and the FEM.

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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 118(4), 444-449, 1998-04 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002878220
  • 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
    4436406
  • 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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