Title :
Towards chipless RFID-based sensing for pervasive surface crack detection
Author :
Kalansuriya, Prasanna ; Bhattacharyya, R. ; Sarma, Sridevi ; Karmakar, Nemai
Author_Institution :
MMARS Labs., Monash Univ., Clayton, VIC, Australia
Abstract :
We present Surface Crack Antenna Reflectometric Sensing or SCARS: a chipless RFID sensor that enables pervasive, wireless surface crack detection in structural materials. We outline the sensor design and demonstrate how crack length and orientation can be related to the backscatter signal signature of the SCARS sensor. In doing so, design techniques that improve sensor sensitivity and signal fidelity are presented. Proof of concept is then demonstrated via numerical simulation and the implementation of a laboratory prototype. Finally, an envisioned pervasive health monitoring and data extraction strategy using these sensors is also discussed.
Keywords :
backscatter; condition monitoring; crack detection; numerical analysis; radiofrequency identification; sensors; surface cracks; SCARS sensor; backscatter signal signature; chipless RFID-based sensing; data extraction strategy; health monitoring; laboratory prototype; numerical simulation; pervasive surface crack antenna reflectometric sensing; sensor sensitivity; signal fidelity; wireless surface crack detection; Broadband antennas; Power transmission lines; Radiofrequency identification; Surface cracks; Transmission line measurements; Chipless RFID; TDOA; crack localization; transmission line;
Conference_Titel :
RFID-Technologies and Applications (RFID-TA), 2012 IEEE International Conference on
Conference_Location :
Nice
Print_ISBN :
978-1-4673-4656-6
Electronic_ISBN :
978-1-4673-4658-0
DOI :
10.1109/RFID-TA.2012.6404565