流体の慣性質量を利用した振動低減装置(機械力学,計測,自動制御) Vibration Suppression Device that Utilizes Inertia Mass by Fluid(Mechanical Systems)

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In this paper, authors propose a vibration suppression device that utilizes inertia mass by fluid in order to obtain effects of vibration cut-off or suppression. The device consists of a cylinder, a piston and a by-pass pipe. The inertia mass is generated by a movement of the fluid in the by-pass pipe during excitation, and magnified by not only ratio of inner diameter between the cylinder and the by-pass pipe, and also a weight ratio of the fluid. The test device was manufactured, and resisting force characteristics are measured in cases of water, turbine oil, and MR fluid filled in the by-pass pipe, respectively. It is clarified from the results that variable inertia mass can be derived in case of the MR fluid when magnetic flux is applied. In order to confirm the effect of vibration suppression, experiments of frequency response and seismic response of one degree of freedom system with the test device are carried out by using a shaking table. Acceleration and displacement can be isolated from input excitation, and resonance frequency can be shifted toward low frequency by the inertia mass. Vibration suppressions of the device are confirmed theoretically and experimentally.

収録刊行物

  • 日本機械学会論文集 C編

    日本機械学会論文集 C編 75(759), 2893-2898, 2009

    一般社団法人 日本機械学会

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各種コード

  • NII論文ID(NAID)
    110007482756
  • NII書誌ID(NCID)
    AN00187463
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03875024
  • NDL 記事登録ID
    10504679
  • NDL 雑誌分類
    ZN11(科学技術--機械工学・工業)
  • NDL 請求記号
    Z16-1056
  • データ提供元
    CJP書誌  NDL  NII-ELS  J-STAGE 
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