Wireless actuation of piezo-elements for the structural health monitoring of carbon-fiber-reinforced-polymers

被引：5

作者：

Salas, Mariugenia ^{[1
]}

Focke, Oliver ^{[2
]}

Herrmann, Axel S. ^{[2
,3
]}

Lang, Walter ^{[1
,4
]}

机构：

[1] Friedrich Wilhelm Besse Inst Forsch Gesell mbH, D-28359 Bremen, Germany

[2] Faserinst Bremen eV, D-28359 Bremen, Germany

[3] Univ Bremen FB4, D-28359 Bremen, Germany

[4] Inst Mikrosensoren Aktoren & Syst IMSAS, D-28359 Bremen, Germany

来源：

MECHATRONICS | 2016年 / 34卷

关键词：

Lamb-waves; SHM; PWAS; Wireless sensors; WPT; WAVE; TRANSMISSION; SENSORS; CFRP;

D O I：

10.1016/j.mechatronics.2015.09.003

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The goal of this research is to evaluate wireless actuation of Piezo-Wafer-Active-Sensors (PWAS) to generate Lamb-waves on Carbon-Fiber-Reinforced-Polymers (CFRP). Transmission is done by implementing inductive coupled coils. However, CFRP behaves as an electrical conductor, shielding radio waves with increasing worse effects at higher frequencies. Thus, there is a great interest to evaluate the kilohertz ranges. The actuator node is prepared by combining the PWAS bonded to the surface with an inductive coil and tuning all in resonance by adding passive components. In this way, the actuator receives a windowed-signal at the frequency provided by the coil system. An actuator node is prepared in order to evaluate the power transmission; while three sensors are used to measure the responses from the material. The measurements demonstrate that it is possible to wireless excite Lamb-waves. Finally, preliminary results show the feasibility to determine the presence of structural failure. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：128 / 136

页数：9

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