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Concurrent design of a structure and its distributed piezoelectric actuators

机译：结构及其分布式压电执行器的并行设计

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摘要

A new concept for a simple arrangement of piezoelectric continuous actuators imbedded in a flexible structure is investigated. The arrangement is used to show the application of a systematic approach to simultaneously find the optimum parameters of a beam for its substructures and actuators. The procedure provides for the deflection of the structure into a desired shape represented by the superposition of its normal modes. Deflection equations allow for incorporation of the stiffness of the piezoelectric layers. Maximum-likelihood estimation and the simulated annealing method have been utilized to minimize the difference between a desired shape and the configuration obtained through a numerical process. Application to a simply supported multilayered beam with a prescribed length and width is presented. The optimum thickness of the layers of the substructure/actuators and the required electric fields for a desired shape of the structure are determined. The paper concludes with discussions on successful results, advantages, and possible modifications of the procedure.
机译：研究了一种嵌入柔性结构中的压电连续致动器的简单布置的新概念。该布置用于显示系统方法的应用，以便同时为梁的子结构和执行器找到梁的最佳参数。该程序提供了将结构偏转为所需形状的功能，该形状由其正常模式的叠加表示。挠曲方程式允许结合压电层的刚度。已经利用最大似然估计和模拟退火方法来最小化所需形状和通过数值过程获得的构型之间的差异。提出了一种用于具有预定长度和宽度的简单支撑的多层梁的应用。确定下部结构/致动器的层的最佳厚度以及结构的期望形状所需的电场。本文以成功的结果，优点以及对程序的可能修改进行了讨论。

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