利用压电贴片对智能板进行振动主动控制

Proceedings of the 2015 16th International Carpathian Control Conference (ICCC) Pub Date : 2015-05-27 DOI:10.1109/CARPATHIANCC.2015.7145080

A. Koszewnik

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引用次数: 4

摘要

提出了一种采用压电贴片作动器的具有SFSF边界条件的铝板振动主动控制系统。压电致动器和压电传感器位于板的相对位置。在X和y两个垂直方向上，将这些控制元件定位在其准最优位置。在选定的10-250 Hz频率范围内，利用实验室台架上的数字信号分析仪分别确定了平板的奇模和偶模数学模型。这种方法使我们能够在Matlab/Simulink软件的帮助下为所考虑的模型设计两个PD控制律。最后一章给出了开环和闭环系统在时域和频域的实验测试。仿真结果表明，所设计的控制器是正确的。与开环系统相比，两种闭环系统中的附加阻尼对整个机械结构都有良好的减振效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The active vibration control of the smart plate by using piezo-patches

The active vibration control system for aluminum plate with SFSF boundary conditions with using piezo-patch actuators is presented in the paper. Piezo-actuators and piezo-sensors are located in opposite site of the plate. Moreover such elements of control system are oriented in their quasi-optimal locations in two perpendicular directions X and Y. The mathematical models of the plate are determined separately for odd and even modes in selected frequency range 10-250 Hz with using Digital Signal Analyzer at the laboratory stand. Such approach allowed us to design two PD control laws for considered models with help Matlab/Simulink software. In the last chapter the experimental tests of the open-loop and closed-loop systems in time and frequency domain are presented. The obtained results have proved that these controllers were designed correctly. Additional damp in the both closed-loop systems cause the excellent vibration reduction in comparison to the open-loop system for the whole mechanical structure.

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Proceedings of the 2015 16th International Carpathian Control Conference (ICCC)

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