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摩擦阻尼器是一种构造简单的耗能减振装置，已应用于国内外多座新建建筑的抗震设计和已建建筑的抗震加固．半主动磨擦阻尼器则通过调整阻尼器的起滑力来改善被动摩擦阻尼器的耗能减振性能。本文研究了被动及半主动摩擦阻尼器对于高耸塔架结构地震反应的减振效果。为满足摩擦阻尼器对高耸塔架结构风振控制的特殊需要，本文建立了合肥电视塔的空间桁架有限元模型和串联多自由度体系模型，并在形成控制力变换矩阵和计算摩擦阻尼器两端的相对位移的过程中综合地运用了这两种力学模型。在半主动摩擦阻尼器的控制策略方面，本文提出了一种基于次优控制理论的半主动控制策略．本文研究表明，摩擦阻尼器可以抑制高耸塔架结构的地震反应．而半主动摩擦阻尼辞的耗能减振效果明显优于被动摩擦阻尼器．
Friction damper is a kind of simple energy dissipation device. It has been applied to the seismic design of many new buildings at home and abroad and the seismic strengthening of the existing buildings. The semi-active friction damper improves the energy dissipation and damping performance of the passive friction damper by adjusting the starting force of the damper. In this paper, the damping effect of passive and semi-active friction dampers on the seismic response of tall tower structures is studied. In order to meet the special needs of friction dampers for wind-induced vibration control of towering tower structures, a space truss finite element model and a series of multi-degree-of-freedom system model of Hefei TV Tower are established. After forming the control force transformation matrix and calculating the friction damper two The relative displacement of the end of the comprehensive use of these two mechanical model. In the semi-active friction damper control strategy, this paper presents a semi-active control strategy based on the suboptimal control theory. The research in this paper shows that the friction damper can restrain the seismic response of towering tower structure. The semi-active friction damping rhetoric energy dissipation damping effect was significantly better than the passive friction damper.