永磁电涡流阻尼新技术及其在土木工程中的应用  

Technological Innovations in Eddy Current Damping and Its Application in Civil Engineering

作　　者：陈政清[1,2] 华旭刚[1,2] 牛华伟[1,2] 黄智文[1,2] 张弘毅 陈谨林 CHEN Zheng-qing;HUA Xu-gang;NIU Hua-wei;HUANG Zhi-wen;ZHANG Hong-yi;CHEN Jin-ling(Vibration and Shock Technology Research Center,Hunan University,Changsha 410082,Hunan,China;Key Laboratory for Wind and Bridge Engineering of Hunan Province,Hunan University,Changsha 410082,Hunan,China)

机构地区：[1]湖南大学,振动与冲击技术研究中心,湖南长沙410082 [2]湖南大学,风工程与桥梁工程省重点实验室,湖南长沙410082

出　　处：《中国公路学报》2020年第11期83-100,共18页China Journal of Highway and Transport

基　　金：国家自然科学基金项目(50738002,51422806,51808210)。

摘　　要：针对永磁电涡流阻尼减振的理论与技术进展进行了综述,主要包括:永磁电涡流调谐质量减振器、大吨位的滚珠丝杠式轴向电涡流阻尼器等新型减振装置;板式电涡流阻尼及滚珠丝杠式电涡流阻尼器的性能仿真与设计方法;桥梁涡激共振、斜拉索振动控制的电涡流阻尼三元减振理论;以及基于电涡流阻尼力非线性特性的减震性能研究。介绍了湖南大学新建的大型阻尼器特性综合试验平台及主要功能,以及永磁电涡流阻尼技术的典型工程应用。最后指出了值得进一步研究的若干问题。The paper presents a summary review of the theoretical and technical innovations of eddy current damping(ECD)technology.The main contents include:①development of two kinds of eddy current dampers,namely eddy current tuned mass dampers(EC-TMD)and ballscrew-based axial eddy current dampers with large output force;②development and validation of the linear/nonlinear mathematical models for eddy current damping forces of EC-TMD and axial ECD;③vibration control of stay cables and bridge deck subjected to VIV with inerter-based damping devices,and seismic control of SDOF system considering nonlinear damping forces of axial ECD.The main function of newly built large-scale test platform for eddy current dampers is briefly described;A few typical examples of engineering applications of the ECD technology are also introduced.At last,some topics deserving further research are highlighted.

关 键 词：桥梁工程 电涡流阻尼器 综述 性能测试 振动控制 惯质 

分 类 号：U44[建筑科学—桥梁与隧道工程]