Cable vibration control with a semiactive MR damper-numerical simulation and experimental verification

被引：24
作者：
Wu, W. J. [1 ,2 ]
Cai, C. S. [1 ]
机构：
[1] Louisiana State Univ, Dept Civil & Environm Engn, Baton Rouge, LA 70803 USA
[2] Mustang Engn, Houston, TX 77084 USA
来源：
STRUCTURAL ENGINEERING AND MECHANICS | 2010年 / 34卷 / 05期
关键词：
Magnetorheological (MR) damper; cable vibration control; semiactive control; ON TMD SYSTEM; VISCOUS DAMPER; STAY CABLES; REDUCTION; SAG;
D O I：
10.12989/sem.2010.34.5.611
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Excessive stay cable vibrations can cause severe problems for cable-stayed bridges. In this paper a semiactive Magnetorheological (MR) damper is investigated to reduce cable vibrations. The control-oriented cable-damper model is first established; a computer simulation for the cable-damper system is carried out; and finally a MR damper is experimentally used to reduce the cable vibration in a laboratory environment using a semiactive control algorithm. Both the simulation and experimental results show that the semiactive MR damper achieves better control results than the corresponding passive damper.
引用
收藏
页码：611 / 623
页数：13
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