毗邻建筑地震响应LQG控制问题的闭合解  

Closed form solution of LQG control problem for seismic response of adjacent buildings

作　　者：徐幼麟[1] 张文首[1] 

机构地区：[1]香港理工大学土木和结构工程系

出　　处：《地震工程与工程振动》2001年第S1期40-46,共7页Earthquake Engineering and Engineering Dynamics

摘　　要：本文把毗邻建筑的地震反应控制作为ＬＱＧ控制问题，并应用虚拟激励法和留数定理推导出问题的闭合解。利用此闭合解研究了加权矩阵Ｑ和Ｒ对建筑阻尼及地震响应的影响。结果表明选用适当的加权矩阵，ＬＱＧ控制可同时有效地减小两栋建筑的地震响应。Closed form solution of LQG problem for seismic response of adjacent buildings connected by hydraulic actuators is presented in this paper. The closed form solution for seismic response of the system is derived in terms of the pseudo- excitation method and the residue theorem. By using the closed form solution, extensive studies on weighting matrices Q and R can be carried out for the buildings of many degrees of freedom. The results show that if the weighting matrices are se- lected appropriately, the ...

关 键 词：毗邻建筑 地震响应 LQG控制 闭合解 

分 类 号：TU352.1[建筑科学—结构工程]