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Smart control of laminated plates using Murakami zig-zag functions

机译：使用MURAKAMI ZIG-ZAG功能进行夹层板的智能控制

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摘要

The study aims at vibration control of laminated plates by the active constraining layer damping (ACLD) treatment incorporating the Murakami zig-zag function (MZZF) while deriving the displacement fields. The control is achieved by activating the ACLD patches by supplying the control voltage. The ACLD patch has two component layers, namely 1-3 piezoelectric composite (PZC) constraining material layer and the viscoelastic constrained material layer. The complete ACLD plate system is modelled as a three layered structure using a MZZF in the displacement fields of the individual layers, and the FE model is obtained by the virtual work principle. A MATLAB FE code has been developed considering the closed loop feedback system for the control of the input parameters. The present method of modelling the ACLD system has proven to be accurate and cost effective for damping the vibrations of the composite plates. Also, the change in piezo fiber orientation angle on the control and performance of the ACLD patches has been effectively studied in detail.
机译：该研究旨在通过在衍生出位移场的同时包括孟加拉姆之曲函数（MZZF）的主动约束层阻尼（ACLD）处理的振动控制。通过通过提供控制电压来激活ACLD贴片来实现控制。 ACLD贴片具有两个分量层，即1-3压电复合物（PZC）约束材料层和粘弹性受限的材料层。完整的ACLD板系统使用各个层的位移场中的MZZF建模为三层结构，通过虚拟工作原理获得FE模型。考虑到用于控制输入参数的闭环反馈系统，已经开发了MATLAB FE代码。本发明的建模方法已经证明是准确的，并且具有抑制复合板的振动的高准确性。而且，已经有效地详细研究了压电纤维取向角度对ACLD贴片的控制和性能的变化。

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