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《地震工程和工程振动(英文版)》 2002-01
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Theoretical and experimental research on a new system of semi-active structural control with variable stiffness and damping

Zhou Fulin Tan Ping Wei Lushun Guangzhou University,Guangzhou 510405,ChinaYan Weiming Beijing polytechnic University Beijing 100032,China Professor Lecturer  
In this paper,a new system of semi active structural control with active variable stiffness and damping (AVSD) is suggested.This new system amplifies the structural displacement to dissipate more energy,and in turn,effectively reduces the structural response in the case of relatively small story drifts,which occur during earthquakes.A predictive instantaneous optimal control algorithm is established for a SDOF structure equipped with an AVSD system Comparative shaking table tests of a 1/4 scale single story structural model with a full scale control device have been conducted.From the experimental and analytical results,it is shown that when compared to structures without control or with the active variable stiffness control alone, the suggested system exhibits higher efficiency in controlling the structural response,requires less energy input,operates with higher reliability,and can be manufactured at a lower cost and used in a wider range of engineering applications.
【CateGory Index】: TU352.1
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