三要素型動吸振器のH_2最適化設計 H_2 Optimization of the Three-Element Type Dynamic Vibration Absorbers

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The dynamic vibration absorber (DVA) is a passive vibration control device which is attached to a vibrating member (called a primary system) subjected to exciting force or motion. In this paper, we discuss an optimization problem of the three-element type DVA on the basis of the H_2 optimization criterion. The objective of the H_2 optimization is to reduce the total vibration energy of the system over all frequencies; the squared area under the frequency response curve of the system is minimized in this criterion. If the system is subjected to random excitation instead of sinusoidal excitation, then the H_2 optimization is probably more desirable than the popular H_∞ optimization. In the past decade there has been increasing interest in the three-element type DVA. However, the previous study on this type of DVA was based on the H_∞ optimization design, and no one has been able to find the exact solution. We propose the closed-form exact solution for a special case where the primary system has no damping; whereas numerical solutions are present for the general case when the primary damping is not negligible. The solutions obtained here are compared to those of the conventional Voigt type DVA.

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 68(665), 76-83, 2002-01-25

    一般社団法人日本機械学会

参考文献:  8件中 1-8件 を表示

被引用文献:  1件中 1-1件 を表示

各種コード

  • NII論文ID(NAID)
    110002378313
  • 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
    6052228
  • 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  CJP引用  NDL  NII-ELS 
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