@inproceedings{e5bdf8ac575845e993a917149732635c,
title = "Development of an active wireless sensor node for fatigue crack detection using nonlinear wave modulation",
abstract = "This study presents the development of an active wireless sensor node for fatigue crack detection based on nonlinear wave modulation technique. This self-contained sensor node is mainly composed of an excitation/sensing module, a high-speed processor module, and a processing core/communication module. Using packaged PZT transducers attached to a target structure, ultrasonic waves at two distinctive frequencies are generated, and their modulation due to fatigue crack formation is detected using another PZT transducer. A reference-free nonlinear wave modulation algorithm is embedded in the sensor node, and the diagnosis is transmitted to a base station using a commercial wireless communication system. The whole design of the sensor node is achieved in a low-power working strategy. Experimental tests have been performed to show the feasibility of the developed active wireless sensor node.",
author = "P. Liu and Lim, \{H. J.\} and S. Yang and H. Sohn and Park, \{H. C.\} and Y. Yi and Ha, \{D. S.\}",
note = "Publisher Copyright: {\textcopyright} 2015 Taylor \& Francis Group, London.; 2nd International Conference of Structural Health Monitoring and Integrity Management, ICSHMIM 2014 ; Conference date: 24-09-2014 Through 26-09-2014",
year = "2015",
doi = "10.1201/b18510-12",
language = "English",
isbn = "9781138027763",
series = "Structural Health Monitoring and Integrity Management - Proceeding of the 2nd International Conference of Structural Health Monitoring and Integrity Management, ICSHMIM 2014",
publisher = "CRC Press/Balkema",
pages = "49--52",
editor = "Keqin Ding and Shenfang Yuan and Zhishen Wu",
booktitle = "Structural Health Monitoring and Integrity Management - Proceeding of the 2nd International Conference of Structural Health Monitoring and Integrity Management, ICSHMIM 2014",
}