An adaptive damage detection method based on differential evolutionary algorithm for beam structures

被引：13

作者：

Wang, Naige ^{[1
]}

Jiang, Yongying ^{[1
]}

Zhong, Yongteng ^{[1
]}

Shao, Liang ^{[1
]}

机构：

[1] Wenzhou Univ, Coll Mech & Elect Engn, Wenzhou 325035, Peoples R China

来源：

MEASUREMENT | 2021年 / 178卷

基金：

中国国家自然科学基金;

关键词：

Damage detection; Singular value decomposition (SVD); Differential evolutionary (DE) algorithm; Beam; WAVELET-BASED ELEMENTS; VIBRATION; CRACK; IDENTIFICATION; BEHAVIOR; SYSTEM;

D O I：

10.1016/j.measurement.2021.109227

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An adaptive singular value decomposition (SVD) method is proposed to detect damage based on the differential evolutionary algorithm for beam structures. B-spline wavelet on the interval finite element method is applied to model the damaged structures. The modal shape data obtained by modal analysis are used to construct attractor trajectory matrix, and SVD-based method is adopted to detect damage locations. In order to accommodate to different damage cases, differential evolutionary algorithm (DE) is used to adaptively optimize the parameters of SVD-based method. Both simulation and experiment researches are set up to verify the proposed method. The results indicate that the presented method is accurately effective to identify the damage for beam structures.

引用

页数：9

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