Dynamics & Design Conference
Online ISSN : 2424-2993
セッションID: 212
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近隣観測点の地震動データより算出した加速度応答スペクトルを用いた免震装置のセミアクティブ制御
*三木 駿邦三浦 奈々子増田 新
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In recent years, semi-active control has been attracting attention as a control method for seismic isolation devices from the viewpoint of safety and energy consumption, but most of them use sensors on the seismic isolation devices to switch attenuation, so it is caused by an earthquake. It is difficult to deal with the beginning of shaking. Therefore, in this study, we proposed a semi-active control method that switches the damping of the variable damping damper using the acceleration response spectrum calculated from the seismic motion data at nearby stations. As a result, it was shown that not only can we expect the response to the beginning of the Earthquake shaking, which was difficult to respond to until now, but also the maximum response and the convergence time of the Earthquake shaking can be improved by predicting and controlling the response from the seismic motion before arrival.

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