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RFID sensor system for detecting corrosion progression using transient responses

Lookup NU author(s): Ali Sunny, Professor Gui Yun Tian, Dr Mohammed Alamin

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Abstract

In this paper, transient feature extraction of the radio frequency identification (RFID) signal using LF RFID technology as a sensor for corrosion detection has been presented. The experimental study of RFID sensor system consists of two components: one reader and one LF tag/transponder. Comparisons between the different sized tags on two sets of samples are demonstrated. The first set consists of coated and uncoated mild steel plates, which have a patch that has been exposed to the environment for different durations (1, 3, 6, 10 and 12 months) to create different levels of corrosion. The second set were corrosion graded samples with different surface preparation called UC samples. Transient responses of pulse excited RFID signal via the first derivative of polynomial equation from the slope of the signal have been investigated. The tag is placed on each surface of each test sample and then the measurements are made using the reader coil at a particular lift-off distance. The results show that the sensitivity of various sized tags with distinctive sets of samples is well identifiable and that by using transient responses for the corrosion characterisation, better sensitivity and robustness is achieved regardless of various tag dimensions.


Publication metadata

Author(s): Sunny AI, Tian GY, Alamin M

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 3rd Annual Conference of the British Institute of Non-Destructive Testing (NDT 2014)

Year of Conference: 2014

Print publication date: 01/01/2015

Acceptance date: 01/01/1900

Publisher: British Institute of Non-Destructive Testing

Library holdings: Search Newcastle University Library for this item

ISBN: 9781634395038


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