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首页> 外文期刊>Journal of aerospace engineering >Parametric Study of Pounding Tuned Mass Damper Based on Experiment of Vibration Control of a Traffic Signal Structure
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Parametric Study of Pounding Tuned Mass Damper Based on Experiment of Vibration Control of a Traffic Signal Structure

机译：基于交通信号结构振动控制试验的减振减振器参数研究

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In the last few years, a new type of passive damper, the pounding tuned mass damper (PTMD), has been proposed and studied for passive structural vibration control. Experiments and numerical simulations verify the effectiveness of PTMDs. Studies have shown that PTMDs have a larger vibration dissipation capability and better robustness than traditional tuned mass dampers (TMDs). The design of a PTMD involves several parameters, and a numerical parametric study has been performed, but no experimental parametric study of a PTMD has been carried out. This paper experimentally studies the parameter sensitivity of the pounding tuned mass damper for a traffic signal structure. The control of free vibration and forced vibration at different harmonic frequencies are obtained to assess the sensitivity of the PTMD. This study considers four parameters: the viscoelastic (VE) material thickness, the gap between the delimiter and vibrating rod, the mass ratio, and the natural frequency of the PTMD. The parametric studies yield interesting findings that can guide future design of PTMDs.
机译：在过去的几年中，已经提出并研究了一种新型的被动减振器，即磅重调谐质量减振器（PTMD），用于被动结构的振动控制。实验和数值模拟验证了PTMD的有效性。研究表明，PTMD比传统的调谐质量阻尼器（TMD）具有更大的振动消散能力和更好的鲁棒性。 PTMD的设计涉及多个参数，并且已经进行了数值参数研究，但是尚未进行PTMD的实验参数研究。本文对交通信号结构的冲击调谐质量阻尼器的参数敏感性进行了实验研究。获得了在不同谐波频率下的自由振动和强制振动的控制，以评估PTMD的灵敏度。这项研究考虑了四个参数：粘弹性（VE）材料的厚度，定界器和振动棒之间的间隙，质量比和PTMD的固有频率。参数研究产生了有趣的发现，可以指导PTMD的未来设计。

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