压电网络复合板的振动抑制实验研究

doi:10.13700/j.bh.1001-5965.2015.0514

北京航空航天大学学报 ›› 2016, Vol. 42 ›› Issue (8): 1557-1565.doi: 10.13700/j.bh.1001-5965.2015.0514

压电网络复合板的振动抑制实验研究

李琳, 宋志强, 尹顺华, 李超

北京航空航天大学能源与动力工程学院, 先进航空发动机协同创新中心, 北京 100083

收稿日期:2015-08-04 出版日期:2016-08-20 发布日期:2015-12-08
通讯作者: 李琳,Tel.:010-82313998,E-mail:feililin@buaa.edu.cn E-mail:feililin@buaa.edu.cn
作者简介:李琳,女,博士,教授。主要研究方向:航空发动机叶盘结构振动、流固耦合动力学、压电功能材料动力学特性。Tel.:010-82313998。E-mail:feililin@buaa.edu.cn

Experimental research on vibration control of composite plate with piezoelectric networks

LI Lin, SONG Zhiqiang, YIN Shunhua, LI Chao

Collaborative Innovation Center for Advanced Aero-Engine, School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

Received:2015-08-04 Online:2016-08-20 Published:2015-12-08

摘要/Abstract

摘要： 主要研究了压电网络系统针对薄板的振动抑制特性，在对压电网络复合板机电耦合动力学方程分析的基础上，通过设计模拟电感电路解决了压电网络复合板振动实验中最优电感值过大的问题，从理论和实验上分析比较了电阻型和电感电阻并联型压电网络复合板振动控制效果及其特点。实验证明采用均匀化处理方法建立的机电耦合动力学方程能够正确预测压电网络复合板的动力学特性，同时实验验证了压电网络的电路模态和压电复合板的机械模态的耦合关系，明确了最优电学参数选取原则，为压电网络复合板的最优参数设计提供了依据。

关键词: 压电网络, 振动控制, 实验验证, 机电耦合, 均质化

Abstract: The paper mainly studies the vibration control of the plate with piezoelectric network. After giving the dynamic equations of the plate with piezoelectric network based on the homogeneous assumption, we resolved the problem that the necessary inductance in the network is too large to be realized in practice. Two kinds of simulated inductance circuit are designed. The respective vibration control effect and characteristic of the composite plate with two kinds of piezoelectric network, that is, the network only with resistors and that with resistors and inductors, are compared experimentally. Experiments prove that the electromechanical coupling dynamic equations based on the homogeneous assumption can well predict the dynamic characteristics of the plate with piezoelectric network. The coupling relationship between electrical modes and mechanical vibration modes of piezoelectric composite plate is also verified. A suggestion for determining the optimal electrical parameters to have a good effect of vibration suppression is given, which can be used as a reference for practical design of the composite plate with piezoelectric network.

Key words: piezoelectric network, vibration control, experimental verification, electromechanical coupling, homogenization

中图分类号:

O328

李琳, 宋志强, 尹顺华, 李超. 压电网络复合板的振动抑制实验研究[J]. 北京航空航天大学学报, 2016, 42(8): 1557-1565.

LI Lin, SONG Zhiqiang, YIN Shunhua, LI Chao. Experimental research on vibration control of composite plate with piezoelectric networks[J]. JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2016, 42(8): 1557-1565.

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压电网络复合板的振动抑制实验研究

Experimental research on vibration control of composite plate with piezoelectric networks

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