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Nondestructive Testing of Train Wheels Using Vertical Magnetization and Differential-Type Hall-Sensor Array | IEEE Journals & Magazine | IEEE Xplore

Nondestructive Testing of Train Wheels Using Vertical Magnetization and Differential-Type Hall-Sensor Array


Abstract:

This study proposes a differential-type Hall-sensor array and vertical magnetizers used to improve the detection ability of crack in express-train wheels. In addition, ex...Show More

Abstract:

This study proposes a differential-type Hall-sensor array and vertical magnetizers used to improve the detection ability of crack in express-train wheels. In addition, exclusive parallel signal-conditioning circuits, analog-to-digital converting circuits, and interface were developed to reduce measurement time. The permanent magnet applies a vertical magnetic field on the wheel, while the differential-type linearly integrated Hall-sensor array measures the distribution of the magnetic field around a crack. The proposed method was verified by experiments.
Published in: IEEE Transactions on Instrumentation and Measurement ( Volume: 61, Issue: 9, September 2012)
Page(s): 2346 - 2353
Date of Publication: 04 June 2012

ISSN Information:


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