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Updated: Jan 13, 2026

Investigating the Potential of Singly Curved Thin Piezoelectric Transducers for Energy Harvesting and Structural Health Monitoring

Investigating the Potential of Singly Curved Thin Piezoelectric Transducers for Energy Harvesting and Structural Health Monitoring

Published on: November 14, 2025

对于薄壁结构的压电引导波频率多元阵列式损伤定位方法的研究.

Changlin Wang¹, Quanyao Hu², Yongteng Zhong²

¹School of Information Technology, Jiangsu Open University, Nanjing 210036, China.

|October 29, 2025

概括

本研究引入了一种新的引导波频率多样化阵列 (FWDA) 方法,用于精确确定薄壁结构中的损伤位置. 该技术实现了二维聚焦,以有效地抑制干扰和准确的损坏成像.

科学领域:

结构健康监测结构健康监测
超声波导向波是一种超声波导向波.
阵列信号处理阵列信号处理

背景情况:

阶段式阵列技术提供了光束方向,但由于方向依赖的模式,与距离干扰作斗争.
在薄壁结构中有效检测损坏需要先进的方法来克服传统技术的局限性.

研究的目的:

开发和验证基于指导波频率多元阵列 (FWDA) 的方法,用于精确定位薄壁结构中的损坏位置.
通过实现二维聚焦和最大化损坏引起的信号幅度来增强损坏检测.

主要方法:

导波频率多样化阵列信号模型得出,使距离方向二维聚焦与小的频率增量.
设计了三种接收阵列配置 (静态,后续,对称),以最大限度地检测损坏诱导的信号.
一个二维的多重信号分类 (MUSIC) 算法用于损坏成像和定位.

主要成果:

拟议的FWDA方法成功实现了二维聚焦,提高了确定损坏位置的能力.
在板上的模拟和在环氧板上的实验证实了该方法的有效性.
开发的技术在薄壁结构内的损伤成像中表现出卓越的性能.

结论:

关键词:

在音乐方面,音乐就是音乐.损害位置损害位置损害位置频率多样化的阵列数组.导向波的导向波是指导的波.

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引导波频率多样化阵列方法为薄壁结构中损坏位置提供了强大的和有效的解决方案.

该方法克服了传统相位数组的局限性,通过实现精确的二维聚焦和干扰抑制.

这项研究为结构健康监测和关键组件完整性评估提供了有价值的工具.