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Lookup NU author(s): Dr Lawal Umar Daura, Professor Gui Yun TianORCiD
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Unavoidably, rolling contact fatigue (RCF) causes natural crack formation in the railhead, leading to rupture. Eddy current testing (ECT) is commonly used to quantify RCF cracks because of its higher sensitivity to a surface flaw, though with limited feature points. This article aims to characterize inclined angular RCF crack parameters in a rail-line material via a modified topology of Wireless Power Transfer (WPT)-based ECT (WPTECT) due to its magnetically coupled resonant for excitation and sensing circuits and utilize multiple resonance responses compared to other ECT. We experimentally designed and evaluated WPTECT and extracted multiple resonances and principal components analysis features to characterize inclined angular RCF cracks. The response minima point feature quantified the crack parameters incomparably; however, the second resonance feature is better than the first resonance. The reconstructed depth, opening width, and angle of the RCF cracks have a maximum correlation, R2-value of 96.4%, 93.1%, and 79.1%, respectively, and RMSE of 0.05mm, 0.08mm, and 6.60, respectively.
Author(s): Daura LU, Tian GY
Publication type: Article
Publication status: Published
Journal: IEEE Transactions on Industrial Informatics
Year: 2023
Volume: 19
Issue: 4
Pages: 5612-5622
Print publication date: 01/04/2023
Online publication date: 25/08/2022
Acceptance date: 21/08/2022
ISSN (print): 1551-3203
ISSN (electronic): 1941-0050
Publisher: IEEE Computer Society
URL: https://doi.org/10.1109/TII.2022.3201587
DOI: 10.1109/TII.2022.3201587
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