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Splitting frequency behavior of wireless power transfer for eddy current testing applications

Lookup NU author(s): Professor Gui Yun TianORCiD, Dr Emmanuel Ibrahim

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

© 2025 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.This paper presents a novel approach for Non-destructive Testing and Evaluation (NDT&E) of cracks in metallic structures using Eddy Current Testing (ECT) integrated with the resonance Wireless Power Transfer (WPT) concept. The proposed method enhances ECT for efficient power transfer between transmitter-receiver (Tx-Rx) coils and employs Gaussian Random Projection (GRP) for feature reduction, enabling real-time data processing. Experimental results on two aluminium material samples demonstrate the effectiveness of the proposed approach in localising and characterising slots, with an R2-value/RMSE of 99.86%/0.06 mm for width and 99.38%/0.25 mm for depth slot parameters. The findings highlight the potential of this method for improving NDT&E of metallic structures.

Publication metadata

Author(s): Daura LU, Roopak M, Tian GY, Parkinson S, Chen X, Ibrahim ET

Publication type: Article

Publication status: Published

Journal: Nondestructive Testing and Evaluation

Year: 2026

Volume: 41

Issue: 2

Pages: 920-940

Online publication date: 31/03/2025

Acceptance date: 05/03/2025

Date deposited: 23/05/2025

ISSN (print): 1058-9759

ISSN (electronic): 1477-2671

Publisher: Taylor and Francis Ltd.

URL: https://doi.org/10.1080/10589759.2025.2477682

DOI: 10.1080/10589759.2025.2477682

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