制振力の制約条件下における周波数に基づく二層構造物のアクティブ制振制御

摘要

高層構造物のアクティブ制振装置は通常頂部に設置rnされ　主に1次モードの振動抑制を目的とされている．rnしかし，地震波には様々な周波数成分が含まれており，rn特に2次モードを励起させる周波数成分が多く含まれrnる場合には，1次モードよりも2次モードの振動が励rn起される現象が生じる．%An active vibration control device of a multistory structure is usually set up at the top of the structure. The device has aimed to suppress the primary vibration mode chiefly. However, a variety of frequency modes are included in the earthquake wave. Therefore, when a lot of frequency modes to make the secondary mode excited are included, the secondary mode is excited compared with the first mode. In this paper, it is considered to improve the control performance of the primary mode and the secondary mode with one active vibration control device set up at the top of the structure according to the vibration frequency of double-layered structure by the simulation and the experiment.