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首页> 外文期刊>Composite Structures >Active Vibration Suppression of an elastic piezoelectric sensor and actuator fitted cantilevered beam configurations as a generic smart composite structure
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Active Vibration Suppression of an elastic piezoelectric sensor and actuator fitted cantilevered beam configurations as a generic smart composite structure

机译：主动振动抑制弹性压电传感器和执行器，其悬臂梁配置为通用智能复合结构

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摘要

An efficient analytical method for vibration analysis of a Euler-Bernoulli beam with Spring Loading at the Tip has been developed as a baseline for treating flexible beam attached to central-body space structure, followed by the development of MATLAB (c) finite element method computational routine. Extension of this work is carried out for the generic problem of Active Vibration Suppression of a cantilevered Euler-Bernoulli beam with piezoelectric sensor and actuator attached as appropriate along the beam. Such generic example can be further extended for tackling light-weight structures in space applications, such as antennas, robot's arms and solar panels. For comparative study, three generic configurations of the combined beam and piezoelectric elements are solved. The equation of motion of the beam is expressed using-Hamilton's principle, and the baseline problem is solved using Galerkin based finite element method. The robustness of the approach is assessed. (C) 2015 Elsevier Ltd. All rights reserved.
机译：已经开发出一种有效的分析方法，该方法用于对带有弹簧载荷的Euler-Bernoulli梁进行振动分析，作为处理附在中心体空间结构上的柔性梁的基线，然后开发了MATLAB（c）有限元方法常规。这项工作的扩展是针对主动悬架的Euler-Bernoulli横梁的主动振动抑制问题，该压电传感器和执行器沿横梁适当安装。可以将此类一般示例进一步扩展，以解决空间应用中的轻型结构，例如天线，机器人手臂和太阳能电池板。为了进行比较研究，解决了组合梁和压电元件的三种通用配置。梁的运动方程式是使用汉密尔顿原理表达的，而基线问题则是使用基于Galerkin的有限元方法解决的。评估了该方法的鲁棒性。 （C）2015 Elsevier Ltd.保留所有权利。

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