| 地震作用下大跨度连续梁桥半主动变阻尼控制研究 |
| |
| 引用本文： | 徐建国,刘翔,王博,韩星星,陈淮.地震作用下大跨度连续梁桥半主动变阻尼控制研究[J].世界地震工程,2010,26(1). |
| |
| 作者姓名： | 徐建国 刘翔 王博 韩星星 陈淮 |
| |
| 作者单位： | 郑州大学,水利与环境工程学院道检中心,河南,郑州,450002 |
| |
| 基金项目： | 河南省自然科学基础研究计划项目，河南省科技攻关项目 |
| |
| 摘 要： | 利用半主动变阻尼控制装置开展连续梁桥结构在纵向地震波作用下的振动控制研究,通过建立桥梁结构-半主动变阻尼系统力学模型和运动微分方程,进行不同地震波激励下,连续梁桥关键部位在无控?半主动变阻尼控制和主动控制下的响应值分析计算,其中最优控制力采用LQR算法确定,半主动变阻尼控制采用限界Hrovat最优控制算法。计算结果表明:半主动变阻尼控制与主动控制的控制效果接近,两者均起到了良好的减震作用,而其中半主动变阻尼控制所需能量少?设施经济可靠,是一种良好的结构减震控制方法。
|
| 关 键 词： | 连续梁桥 振动控制 纵向振动 半主动变阻尼控制 LQR算法 |
The study of semi-active control with variable dampes of large-scale continuous bridge under earthquakes |
| |
| XU Jianguo,LIU Xiang,WANG Bo,HAN Xingxing,CHEN Huai.The study of semi-active control with variable dampes of large-scale continuous bridge under earthquakes[J].World Information On Earthquake Engineering,2010,26(1). |
| |
| Authors: | XU Jianguo LIU Xiang WANG Bo HAN Xingxing CHEN Huai |
| |
| Institution: | XU Jianguo1,LIU Xiang,WANG Bo,HAN Xingxing,CHEN Huai(School of Environment , Hydraulic Engineering,Zhengzhou University,Zhengzhou 450002,China) |
| |
| Abstract: | In this paper,by use of the semi-active control with variable dampers,the study on longitudinal vibration of continuous bridge under earthquakes is presented.According to the mechanical model for the bridge and the semi-active control with variable dampers system and the differential equation of motion,the critical positions dynamical response of the bridge without control,semi-active control and active control are all studied.The LQR algorithm is adopted to calculate the optimizing controlling force.The al... |
| |
| Keywords: | continuous bridge vibration control longitudinal vibration semi-active control with variable dampers LQR algorithm |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
