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首页> 外文会议>Conference on Active and passive smart structures and integrated systems >Exploration of Nonlinear Shunting Strategies as Effective Vibration Absorbers
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Exploration of Nonlinear Shunting Strategies as Effective Vibration Absorbers

机译：非线性分流策略探索有效减振器

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The tuned mass damper (TMD) is a simple and efficient device, but it is only effective when it is preciselytuned to the frequency of a particular vibration mode. In order to overcome this limitation, the nonlinear energypumping phenomenon from a main mechanical structure to a local, passive nonlinear energy sink (NES) isinvestigated. Unlike the TMD, an NES has no preferential resonant frequency, which makes it a good candidatefor vibration mitigation of MDOF linear and nonlinear vibrating structures. However, in addition to the rattlespace requirements, the mechanical implementation of the nonlinear absorber poses serious challenges. Thisis why piezoelectric shunting is considered in this study. Specifically, the objective of the paper consists indeveloping a suitable association of piezoelectric patches and nonlinear shunted electrical circuits so that theeffects of the NES would be electrically reproduced.
机译：调谐质量阻尼器（TMD）是一种简单且高效的设备，但是当它被精确地避免到特定振动模式的频率时，它只是有效。为了克服这种限制，从主机械结构到局部，被动非线性能量水槽（NES）的非线性激励现象是缺乏的。与TMD不同，NE没有优先谐振频率，这使其成为MDOF线性和非线性振动结构的振动减轻的良好候选。然而，除了响尾心要求之外，非线性吸收器的机械实现造成严重挑战。本研究考虑了为什么压电旋转。具体地，纸张的目的是不开发的压电贴片和非线性分流电路的合适关联，使得NE的效应将被电倒地再现。

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