バイリニア形ばね特性をもつ上下および三次元免震テーブル : ハの字形リンク機構を用いた場合(機械力学,計測,自動制御)

概要

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In this paper, the authors propose a nonlinear spring mechanism for a vertical seismic isolation table. The nonlinear spring mechanism consists of a Λ-shaped link, horizontal coil springs, vertical coil springs and a linear guide, and has an approximate bilinear-type spring force characteristic. A vertical seismic isolation table using the nonlinear spring mechanism and magnetic damping was made, and the seismic responses of a mass installed on the table board were measured using a permanent magnet type vibration machine. Next, the vertical isolation table was attached to a horizontal seismic isolation table which was developed in our previous study, and the three-dimensional seismic responses of a mass installed on the table board were measured using the vibration machine. These experimental results were compared with the calculated results, and the effects of vibration isolation in three-dimensional directions and the validity of the calculations were substantiated.
社団法人日本機械学会の論文
2007-11-25