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首页> 外文期刊>Earthquake Engineering & Structural Dynamics >Tall building vibration control using a TM-MR damper assembly
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Tall building vibration control using a TM-MR damper assembly

机译：使用TM-MR阻尼器组件的高层建筑振动控制

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摘要

This research investigates the seismic and harmonic response of a true free-plan tall building equipped with two tuned pendular inertial masses (TMs) and magnetorheological (MR) dampers. Construction of this proof-of-concept building was completed in 2007, and it is the first of its class in Chile. This article provides research results associated with this specific implementation; however, in order to make the results applicable to other building cases a parametric study was considered. A brief description of the structure and TM implementation together with the nonlinear equations of motion of the TM-MR damper assembly are presented. Building displacements and accelerations are computed and analyzed for a suite of subduction-type and near field ground motions. Besides, a new physical controller for the MR dampers is proposed and analyzed. The performance of this controller is compared with that of benchmark LQR controllers. In general, the TM-MR damper assembly improves the lateral performance of this structure for lateral harmonic excitations. However, the expected peak and RMS response modification factors and efficacy of the solution for earthquake excitations are strongly dependent on the frequency content of the excitation.
机译：这项研究调查了配备有两个调谐的惯性质量（TM）和磁流变（MR）阻尼器的真正的自由式高层建筑的地震和谐波响应。该概念验证大楼的建设于2007年完成，是智利同类建筑中的第一座。本文提供了与此特定实施方式相关的研究结果；但是，为了使结果适用于其他建筑案例，我们考虑了参数研究。简要介绍了结构和TM实施方案，以及TM-MR阻尼器组件的非线性运动方程。针对一系列俯冲型和近场地面运动，计算并分析了建筑物的位移和加速度。此外，提出并分析了一种新型的MR阻尼器物理控制器。将该控制器的性能与基准LQR控制器的性能进行了比较。通常，TM-MR阻尼器组件可改善这种结构的横向谐波激励的横向性能。但是，预期的峰值和RMS响应修正因子以及地震激励解决方案的有效性在很大程度上取决于激励的频率含量。

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