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首页> 外文期刊>Mechanical systems and signal processing >Shaping frequency response of a vibrating plate for passive and active control applications by simultaneous optimization of arrangement of additional masses and ribs. Part Ⅰ: Modeling
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Shaping frequency response of a vibrating plate for passive and active control applications by simultaneous optimization of arrangement of additional masses and ribs. Part Ⅰ: Modeling

机译：通过同时优化附加质量和肋的布置，可对被动和主动控制应用的振动板的频率响应进行整形。第一部分：建模

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摘要

An ability to shape frequency response of a vibrating plate according to precisely defined demands has a very high practical potential. It can be applied to improve acoustic radiation of the plate for required frequencies or enhance acoustic isolation of noise barriers and device casings by using both passive and active control. The proposed method is based on mounting severaladditional ribs and masses (passive and/or active) to the plate surface at locations followed from an optimization process. This paper, Part Ⅰ, concerns derivation of a mathematical model of the plate with attached elements in the function of their shape and placement. The model is validated by means of simulations and laboratory experiments, and compared with models known from the literature. This paper is followed by a companion paper, Part Ⅱ, where the optimization process is described. It includes arrangement of passive elements as well as actuators and sensors to improve controllability and observability measures, if active control is concerned.
机译：根据精确定义的要求来成形振动板的频率响应的能力具有非常高的实践潜力。它可用于通过使用被动和主动控制来改善板在所需频率下的声辐射，或增强隔音屏障和设备外壳的隔音效果。所提出的方法是基于在优化过程之后，在板表面上的位置安装几个附加的肋和块（被动和/或主动）。本文的第一部分是关于板的数学模型的推导，该板具有连接的元素，它们的形状和位置具有函数关系。该模型通过仿真和实验室实验进行验证，并与文献中已知的模型进行比较。本文后附有第二部分，介绍了优化过程。如果涉及主动控制，则它包括无源元件以及致动器和传感器的布置，以改善可控性和可观察性的措施。

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