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Single-Sensor-Based Structural Response Reconstruction Using a Novel Modal Response Estimation Method

delete2026-02-01
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PRE
AI
Z
Zihang Guo
X
Xuefei Guan
J
Jingjing He *
DOI:10.1115/1.4069996delete
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摘要

摘要

En 中文
本文提出了一种新颖的模态响应估计与重构方法。该方法基于一种新开发的模态响应估计方法和从目标模态信息推导出的转换方程。模态响应估计方法旨在仅利用单一传感器的响应获取最优模态响应。基于方便位置处的最优模态响应,可利用转换方程外推关键位置的模态响应。为展示整体重构流程,文中给出了两个数值算例,包括模态良好分离和模态密集靠近的情况。详细研究了模态数量、传感器数量、传感器位置和噪声水平的影响。随后,采用真实的涡轮叶片结构验证了该方法在实际应用中的有效性和准确性。结果表明,所提方法在响应重构中准确可靠,为各类结构的结构健康监测提供了一种可行的替代方案。
Keyword:
response reconstruction
response estimation
transformation equation
structural health monitoring
mechanical engineering
vibrations

期刊

J
Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems
IF:
1.9
论文数:
32
被引数:
315

机构

B
Beihang University
学者数:
5.2W
论文数: 4.1W
被引数: 37
C
Chinese Academy of Engineering Physics
学者数:
1.1W
论文数: 8.6K
被引数: 12
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