A damage detection system using modulated ultrasonic and fiber Bragg grating

被引：0

作者：

Huang, Xiao ^{[1
]}

Tan, Yuegang ^{[1
]}

机构：

[1] Wuhan Univ Technol, Sch Mech & Elect Engn, 122 Luoshi Rd, Wuhan, Hubei, Peoples R China

来源：

PROCEEDINGS OF THE 2017 3RD INTERNATIONAL FORUM ON ENERGY, ENVIRONMENT SCIENCE AND MATERIALS (IFEESM 2017) | 2017年 / 120卷

基金：

中国国家自然科学基金;

关键词：

modulated ultrasonic; fiber Bragg grating; damage detection; FATIGUE DAMAGE; SENSOR; CRACK;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This study presents a damage detection system using modulated ultrasonic and fiber Bragg grating (FBG) in Aluminum thin plate. In the system, modulated ultrasonic technology and FBG sensing technology were combined to detect damage. Piezoelectric patches used to excite ultrasonic and FBG were pasted on a Acrylic plate and then contacted with specimen by coupling, so the excitation point of ultrasonic and sensing point of FBG can be modified arbitrarily. Experiment results showed that the system can detect the damage signal more flexibly.

引用

页码：685 / 688

页数：4

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