Damage monitoring of aircraft structures made of composite materials using wavelet transforms

被引：4
作者：
Molchanov, D. [1 ]
Safin, A. [1 ]
Luhyna, N. [2 ]
机构：
[1] Samara State Aerosp Univ, 34 Moskovskoye Shosse, Samara 443086, Russia
[2] Wrexham Glyndwr Univ, Sch Appl Sci Comp Sci & Engn, Adv Composite Training & Dev Ctr, Mold Rd, Wrexham LL11 2AW, Wales
来源：
4TH INTERNATIONAL CONFERENCE ON ADVANCED COMPOSITES AND MATERIALS TECHNOLOGIES FOR ARDUOUS APPLICATIONS (ACMTAA) | 2016年 / 153卷
关键词：
IDENTIFICATION;
D O I：
10.1088/1757-899X/153/1/012016
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The present article is dedicated to the study of the acoustic properties of composite materials and the application of non-destructive testing methods to aircraft components. A mathematical model of a wavelet transformed signal is presented. The main acoustic (vibration) properties of different composite material structures were researched. Multiple vibration parameter dependencies on the noise reduction factor were derived. The main steps of a research procedure and new method algorithm are presented. The data obtained was compared with the data from a three dimensional laser-Doppler scanning vibrometer, to validate the results. The new technique was tested in the laboratory and on civil aircraft at a training airfield.
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页数：9
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