智能约束层阻尼结构动力学建模及振动主动控制研究

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (4) : 45-51.

论文

黄志诚1，黄帆1，王兴国1，褚福磊2

作者信息 +

A study on dynamic modeling and active vibration control of intelligent constrained layer damped structures

HUANG Zhicheng1，HUANG Fan1，WANG Xingguo1，CHU Fulei2

Author information +

文章历史 +

摘要

本文基于耗散坐标与GHM模型建立智能约束层阻尼悬臂梁结构的动力学模型，并研究智能约束层悬臂梁结构的振动主动控制。针对结构模型自由度过高问题，分别在物理空间和模态空间对结构模型进行联合降阶处理。先通过具体算例验证了本文建模方法的正确性，然后比较研究了压电片和粘弹性层铺设位置对系统振动控制效果和控制成本的影响。最后验证了结构简化模型的普遍适用性。研究结果显示，在控制器反馈增益相同的条件下，压电片和粘弹性层的位置越靠近固定端，系统控制效果越好，控制成本越小。简化的模型对含有噪声的输入信号也有较好的控制效果。

Abstract

In this paper, the dynamic model of the damping cantilever structure of the intelligent constraint layer is established based on the dissipative coordinates and the GHM model, and the vibration active control of the cantilever structure of the intelligent constraint layer is studied. Aiming at the problem of excessive freedom of the structural model, the joint order reduction treatment of the structural model is carried out in the physical space and modal space. The correctness of the modeling method in this paper is verified by specific examples, and then the influence of the laying position of piezoelectric sheet and viscoelastic layer on the vibration control effect and control cost of the system is compared. Finally, the universal applicability of the structural simplification model is verified. The results show that under the condition of the same feedback gain of the controller, the closer the position of the piezoelectric sheet and the viscoelastic layer to the fixed end, the better the system control effect and the smaller the control cost. The simplified model also has a better control effect on noisy input signals.

导出引用

黄志诚1，黄帆1，王兴国1，褚福磊2. 智能约束层阻尼结构动力学建模及振动主动控制研究[J]. 振动与冲击, 2024, 43(4): 45-51

HUANG Zhicheng1，HUANG Fan1，WANG Xingguo1，CHU Fulei2. A study on dynamic modeling and active vibration control of intelligent constrained layer damped structures[J]. Journal of Vibration and Shock, 2024, 43(4): 45-51

参考文献

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