磁石可動形リニア直流モータの電気的時定数 Electrical Time Constant of a Moving-Magnet-Type Linear DC Motor

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High-speed and high-precision hydraulic valves have been widely required in the industry. The authors have been developed the hydraulic servo valve (LSV) using a linear DC motor (LDM). This paper describes a design method of the magnetic circuit and the optimization of the electrical time constant on a moving-magnet-type LDM. The electrical and mechanical time constants of the LDM are required to have small values so as to realize a high-speed-response LDM. The expressions of the electrical and mechanical time constants of the LDM is derived using the permeance method. These constants are also computed using the finite element method (FEM) combined the electric circuit equations. The measured electrical time constant is 10.5ms. The calculated values of the electrical time constant obtained by the permeance method and the FEM are 13.4ms and 10.2ms, respectively. It is clarified that two methods are useful for calculating the electrical time constant of the LDM.

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 119(3), 327-332, 1999-03 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002817804
  • 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
    4663741
  • 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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