リニア振動アクチュエータの振動制御の検討 Examination of Vibration Control of Linear Oscillatory Actuator

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Linear oscillatory actuators (LOAs) are widely used in linear-motor shavers, electric toothbrushes and mobile phone vibrators as high-speed oscillatory driving devices. The maximum amplitude of the mover is obtained at a resonance frequency that is determined from the spring constant and the mass of the mover. However there is a problem with these actuators: the amplitude decreases sharply when the driving frequency differs from the resonance frequency in a mechanical vibration system with small damping. In this paper we propose a control of resonance frequency in which the thrust, which shows the characteristics of a spring, is generated based on the displacement of the mover and damping factor in which the thrust, which shows the characteristics of a damping, is generated based on the velocity of the mover. The proposed method ensures that the resonance frequency always corresponds to the driving frequency and that rapid changes in the amplitude are avoided.

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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 129(2), 184-190, 2009-02-01

    The Institute of Electrical Engineers of Japan

参考文献:  12件中 1-12件 を表示

被引用文献:  2件中 1-2件 を表示

各種コード

  • NII論文ID(NAID)
    10024000375
  • 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
    10162262
  • 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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