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논문 기본 정보

자료유형
학술저널
저자정보
Xu, Huai-Bing (School of Civil Engineering, Harbin Institute of Technology) Zhang, Chun-Wei (School of Civil Engineering, Harbin Institute of Technology) Li, Hui (School of Civil Engineering, Harbin Institute of Technology) Tan, Ping (The State Key Laboratory of Seismic Reduction/Control & Structural Safety [Cultivation], Guangzhou University) Ou, Jin-Ping (School of Civil Engineering, Harbin Institute of Technology) Zhou, Fu-Lin (The State Key Laboratory of Seismic Reduction/Control & Structural Safety [Cultivation], Guangzhou University)
저널정보
테크노프레스 Smart structures and systems Smart structures and systems 제13권 제2호
발행연도
2014.1
수록면
281 - 303 (23page)

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In order to suppress the wind-induced vibrations of the Canton Tower, a pair of active mass driver (AMD) systems has been installed on the top of the main structure. The structural principal directions in which the bending modes of the structure are uncoupled are proposed and verified based on the orthogonal projection approach. For the vibration control design in the principal X direction, the simplified model of the structure is developed based on the finite element model and modified according to the field measurements under wind excitations. The AMD system driven by permanent magnet synchronous linear motors are adopted. The dynamical models of the AMD subsystems are determined according to the open-loop test results by using nonlinear least square fitting method. The continuous variable gain feedback (VGF) control strategy is adopted to make the AMD system adaptive to the variation in the intensity of wind excitations. Finally, the field tests of free vibration control are carried out. The field test results of AMD control show that the damping ratio of the first vibration mode increases up to 11 times of the original value without control.

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