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首页> 外文会议>Twelfth International Conference on Adaptive Structures and Technologies, Oct 15-17, 2001, University of Maryland >MODELING OF PLATE STRUCTURES EQUIPPED WITH CURRENT-DRIVEN ELECTROSTRICTIVE ACTUATORS FOR ACTIVE VIBRATION CONTROL
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MODELING OF PLATE STRUCTURES EQUIPPED WITH CURRENT-DRIVEN ELECTROSTRICTIVE ACTUATORS FOR ACTIVE VIBRATION CONTROL

机译：装有电流驱动电致动器以进行主动振动控制的板结构建模

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The study here reported is focused on active vibration control applications performed on plate host structures equipped with electrostrictive patches. In such applications the design of controllers requires to simulate the behavior of the coupled structure. These simulations can then be performed through a Finite Element Method which implies the elaboration of electrostrictive finite elements. The purpose of the present paper is to present the elaboration of a plate electrostrictive finite element with a priori plate assumptions. We underlined in a previous paper that using current as driving input for these actuators would imply simplifications in active vibration control. We thus set out here finite elements for both current driven, and voltage driven actuators, with the view of highlighting theses simplifications. The elements here developped are characterized by the reduction of the initial electromechanically coupled problem to a purely mechanical one. Comparisons of numerical simulations of the control of the vibration of an elastic beam using different models of the system is moreover presented in this article.
机译：此处报道的研究集中于在装有电致伸缩贴片的平板主体结构上执行的主动振动控制应用。在这样的应用中，控制器的设计需要模拟耦合结构的行为。然后可以通过有限元方法进行这些模拟，这意味着需要对电致伸缩有限元进行详细说明。本文的目的是提出先验板假设的板电致伸缩有限元。我们在上一篇论文中强调，使用电流作为这些执行器的驱动输入将意味着主动振动控制的简化。因此，为了突出这些简化，我们在此列出了电流驱动和电压驱动致动器的有限元。这里开发的元件的特征在于将最初的机电耦合问题减少为纯机械问题。此外，本文还介绍了使用不同系统模型对弹性梁振动控制进行数值模拟的比较。

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