A signal energy-based acoustic source localization technique for composite laminates

被引：0

作者：

Ma, Chenning ^{[1
]}

Zhou, Zixian ^{[1
]}

Cui, Zhiwen ^{[1
,2
]}

Kundu, Tribikram ^{[3
,4
]}

机构：

[1] Jilin Univ, Dept Acoust & Microwave Phys, Coll Phys, Changchun 130012, Jilin, Peoples R China

[2] Chinese Acad Sci, Inst Acoust, State Key Lab Acoust, Beijing 100190, Peoples R China

[3] Univ Arizona, Dept Civil & Architectural Engn & Mech, Tucson, AZ 85721 USA

[4] Univ Arizona, Aerosp & Mech Engn Dept, Tucson, AZ 85721 USA

来源：

HEALTH MONITORING OF STRUCTURAL AND BIOLOGICAL SYSTEMS XVIII | 2024年 / 12951卷

关键词：

acoustic emission; source localization; signal energy-based approach; composite laminates; sensors;

D O I：

10.1117/12.3008557

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Acoustic source localization techniques for composite laminates are challenging for anisotropic materials. In this paper, an improved signal energy-based acoustic source localization technique without a priori knowledge of the principal axes orientations is proposed. The proposed technique has the advantages of no need to measure arrival time and does not need complex signal processing techniques. It can also be applied in the case of low signal-to-noise ratio. Finite element models of carbon fiber laminate with different stacking sequences are created to verify the proposed technique. The results of the numerical simulation demonstrate the feasibility of the proposed technique.

引用

页数：6

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