HControl of Multi-Degree-of-Freedom Systems Using Active Dynamic Vibration Absorber (A Criterion for Design of Frequency Weighting Function)

Kenzo Nonami, Hidekazu Nishimura, Weimin Cui

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This paper proposes a design method using Hcontrol theory concerning an active dynamic vibration absorber for multi-degree-of-freedom systems. In particular, the weighting functions of Hcontrol are discussed as to which one is better. We finally propose the best weighting functions for vibration control, robust stability and stroke limits of the dynamic vibration absorber in two cases, namely, a hybrid dynamic vibration absorber and an active dynamic vibration absorber. The control object is a tower structure with four degrees of freedom, two vibration modes in the lower frequency domain as the reduced order model should be controlled, and another two higher modes as the residual model should be uncontrolled on the condition of robust stability without spillover. We have confirmed the strong robustness concerning parameter variations of the spring constant and the damping constant in the case of a hybrid dynamic vibration absorber. Also, it has been made clear that an active dynamic vibration absorber designed by Hcontrol theory is effective against seismic disturbances such as the El Centro earthquake.

元の言語English
ページ(範囲)1311-1317
ページ数7
ジャーナルNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
58
発行部数548
DOI
出版物ステータスPublished - 1992
外部発表Yes

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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