Impact Damage Detection in Composite Plates using a Self-diagnostic Electro-Mechanical Impedance-based Structural Health Monitoring System

被引：35
|
作者：
Sharif-Khodaei, Z. [1 ]
Ghajari, M. [1 ]
Aliabadi, M. H. [1 ]
机构：
[1] Imperial Coll London, Dept Aeronaut, South Kensington Campus,Exhibit Rd, London SW7 2AZ, England
来源：
JOURNAL OF MULTISCALE MODELLING | 2015年 / 6卷 / 04期
关键词：
Impact; structural health monitoring; finite elements; artificial neural network;
D O I：
10.1142/S1756973715500134
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this work, application of the electro-mechanical impedance (EMI) method in structural health monitoring as a damage detection technique has been investigated. A damage metric based on the real and imaginary parts of the impedance measures is introduced. Numerical and experimental tests are carried out to investigate the applicability of the method for various types of damage, such as debonding between the transducers and the plate, faulty sensors and impact damage in composite plates. The effect of several parameters, such as environmental effects, frequency sweep, severity of damage, location of damage, etc., on the damage metric has been reported.
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收藏
页数：23
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