Vibration control of civil engineering structures and their elements

主要成果如下：(1)对地震、风和交通力的结构控制进行了综述，并讨论了未来的发展方向。(2)提出了包括破波效应在内的TLD模型，并对多个TLD进行了实验和分析研究。(3)对多重TMD进行了分析研究，提出了设计的相关公式。(4)研究了拉索、梁上附加阻尼器的作用，提出了设计公式。(5)对结构主动控制进行了广泛而深入的实验。(6)制定了包括执行机构动力学在内的控制算法。(7)研究了主动控制中时滞的影响，提出了一种补偿技术。(8)实验研究了主动声控制涡激振动的有效性。

The major results are as follows(1) Structural control for seismic, wind and traffic forces reviewed and future directions are discussed.(2) Modelling of TLD including wave breaking effects is proposed and multiple TLD is also experimentally and analytically studied.(3) Multiple TMD is analytically studied and some formulas relevant to design are proposed.(4) Effect of dashpots attached to cables and girders are studied and design formulas are proposed.(5) Extensive and intensive experiments on active control of structures are made.(6) Control algorithms including actuator dynamics are formulated.(7) Effects of time delay in active control is studied and a compensation technique is proposed.(8) Effectiveness of active sound on controlling vortex-induced vibration is experimentally studied.