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在堆叠的压电琴振动器研究

Xinhu Liu^1,2, Yajun Zheng³, Yanming Guo^1,2

¹Department of Mechanics, School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan 430074, China.

|November 25, 2023

概括

一个新的堆叠的压电琴振动器放大了触觉反. 该设备有效地将辐射位移转化为纵向位移,非常适合消费电子产品.

科学领域:

材料科学材料科学材料科学
机械工程机械工程
电气工程电气工程

背景情况:

在电子设备中对触觉反的需求日益增加.
压电材料因其尺寸,电机性能和响应时间而适合触觉执行器.

研究的目的:

提出和分析一种新的堆叠压电鼓振动器,以增强触觉反.
建立一个理论模型,用于在一个压电堆和一个杆类型的结构之间的合.

主要方法:

开发一个合理论模型.
有限元素方法 (FEM) 分析.
在低频范围内 (<1000 Hz) 计算纵向和辐射位移.

主要成果:

理论和数值结果显示出很好的一致性.
证明了辐射位移转为纵向位移的有效转换.
实现了30的显著位移放大比率.

结论:

堆叠的压电声振动器提供了有效的位移放大.
该设计非常适合在消费电子产品中广泛应用,需要触觉反.

关键词:

声振动器声振动器移位放大放大移位放大有限元素方法的有限元素方法.压电堆压电堆转移矩阵方法转移矩阵方法.

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