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Experimental Studies and New Feature Extractions of MBN for Stress Measurement on Rail Tracks

Lookup NU author(s): Professor Gui Yun TianORCiD

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Abstract

The paper reports the design and implementation of magnetic Barkhausen noise (MBN) systems as well as its application and experiments for stress measurement on the rail track. Features of MBN signals including root mean square, average amplitude and pulse counts are calculated and analyzed, and a new feature the ratio of peak value and width at half maximum is introduced. All of these features of MBN signal decreases with the increase of compressive stress, but the feature of the ratio of peak value and width at half maximum has the fastest rate of decreasing against compressing stress which means that it has better sensitivity in stress measurement.

Publication metadata

Author(s): Wang P, Gao YL, Yang YR, Tian GY, Yao ET, Wang HT

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Magnetics

Year: 2013

Volume: 49

Issue: 8

Pages: 4858-4864

Print publication date: 23/07/2013

ISSN (print): 0018-9464

ISSN (electronic): 1941-0069

Publisher: IEEE

URL: http://dx.doi.org/10.1109/TMAG.2013.2243159

DOI: 10.1109/TMAG.2013.2243159

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