多段積層ゴムと油圧アクチュエータを用いた高層建物制振用アクティブ・パッシブ切換え形マスダンパの研究 : 第1報,作動限界が油圧系の圧力低下による場合の制御方法

概要

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A hybrid mass damper has been developed using a new type of hydraulic actuator which can change from a normal actuator to a damper in the inverse direction as well. When the hybrid mass damper continues to work against strong winds or earthquakes beyond the capacity of the actuator, active-passive mode switching is carried out due to an excessive drop in the pressure or shortage of the stroke or saturation of the control force. In this paper mode switching due to the pressure drop is dealt with. The switching rules were determined by simulation using analytical models for the active and passive modes. Furthermore a gain-scheduled control law using a fuzzy rule was proposed for the active mode to render the damper more effective against frequent winds and earthquakes. Shaking table tests were carried out for a building model with a mass damper model on the roof, showing excellent performance of the mass damper over a wide range of excitation intensity.
一般社団法人日本機械学会の論文
1995-01-25