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Wireless Crack Monitoring by Stationary Phase Measurements from Coupled RFID Tags

Caizzone, Stefano and Di Giampaolo, Emidio and Marrocco, Gaetano (2014) Wireless Crack Monitoring by Stationary Phase Measurements from Coupled RFID Tags. IEEE Transactions on Antennas and Propagation, 62 (12), pp. 6412-6419. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/TAP.2014.2360553 ISSN 0018-926X

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Abstract—The possibility to wirelessly monitor the state and the evolution of cracks is of increasing interest in emerging Structural Health Monitoring Systems. A simple and effective measurement method considers the placement of two passive RFID antennas on top of the crack, so that the crack’s evolution will produce a change of the inter-antenna coupling and in turn of the phase of the backscattered field. An ad-hoc design technique, based onto the coupled-mode physics, permits to maximize the sensor’s sensitivity avoiding, or at least mitigating, the read range reduction during the evolution of the displacement that is instead typical of amplitude-oriented RFID displacement sensors. The proposed idea is demonstrated by numerical and experimental examples showing the possibility of sub-millimeter resolution with low-cost devices.

Item URL in elib:https://elib.dlr.de/87303/
Document Type:Article
Title:Wireless Crack Monitoring by Stationary Phase Measurements from Coupled RFID Tags
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Caizzone, StefanoDLR, Stefano.Caizzone (at) dlr.deUNSPECIFIED
Di Giampaolo, EmidioUniv. L'Aquila, ItalyUNSPECIFIED
Marrocco, GaetanoUniv. Rome Tor VergataUNSPECIFIED
Date:December 2014
Journal or Publication Title:IEEE Transactions on Antennas and Propagation
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1109/TAP.2014.2360553
Page Range:pp. 6412-6419
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Keywords:RFID, Array, mutual coupling, sensors, wireless communications, SHM, deformation monitoring
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Communication, Navigation and Surveillance
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Caizzone, Stefano
Deposited On:26 Nov 2014 10:31
Last Modified:31 Jul 2019 19:44

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