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Optimal features combination for pulsed eddy current NDT

Lookup NU author(s): Professor Gui Yun TianORCiD, Dr Maxim Morozov


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This paper investigates current feature extraction techniques for pulsed eddy current NDT including peak value and peak time, spectral characteristics analysis, principal component analysis (PCA) projection coefficient and response shape curvature. Experimental study has been undertaken on samples with artificial surface and subsurface defects and metal thickness changes. Based on a comparative study of the feature extraction techniques, the most suitable features and their combination are discussed. The present study will provide a framework for future applications comprising the characterisation of real defects and stress profiles in engineering components.

Publication metadata

Author(s): Zhou DQ, Tian GY, Zhang BQ, Morozov M, Wang HT

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Nondestructive Testing and Evaluation: Far East NDT Forum

Year of Conference: 2010

Pages: 133-143

ISSN: 1058-9759

Publisher: Taylor & Francis Ltd.


DOI: 10.1080/10589750802687580

Library holdings: Search Newcastle University Library for this item

ISBN: 14772671