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Temperature Independent Defect Monitoring using Passive Wireless RFID Sensing System

Lookup NU author(s): Professor Gui Yun Tian, Chaoqing Tang, Aobo Zhao

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by IEEE, 2019.

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Abstract

IEEE A significant requirement of low-cost sensing systems for defect detection is essential to bridge the gap of non-destructive testing & evaluation (NDT&E) and structural health monitoring (SHM). In practical situation, the temperature variation will be unknown in a priori and hence will give rise to uncertainty and unreliability in the defect detection. This paper demonstrates the potential use of low frequency (LF) RFID tag antenna based wireless sensors to characterise corrosion and crack progression in high-temperature conditions for potential structural monitoring. Consideration of the parasitic parameters which depend on the temperature variation is presented. The key factors that influences the sensing accuracy with regards to different materials due to inhomogeneity are presented. A cost-effective self-compensation method is proposed by means of a self-swept frequency measurement through selection and fusion of temperature dependent feature near the tag’s resonance region. The experimental work validates the effectiveness of the method in temperature compensation and some initial results demonstrate the efficiency of the technique to overcome the inhomogeneity.


Publication metadata

Author(s): Sunny AI, Zhang J, Tian GY, Tang C, Rafique W, Zhao A, Fan M

Publication type: Article

Publication status: Published

Journal: IEEE Sensors Journal

Year: 2019

Volume: 19

Issue: 4

Pages: 1525-1532

Print publication date: 15/02/2019

Online publication date: 21/11/2018

Acceptance date: 02/04/2018

Date deposited: 13/12/2018

ISSN (print): 1530-437X

ISSN (electronic): 1558-1748

Publisher: IEEE

URL: https://doi.org/10.1109/JSEN.2018.2882736

DOI: 10.1109/JSEN.2018.2882736


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