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Published in: Measurement Techniques 10/2023

20-04-2023 | ELECTROMAGNETIC MEASUREMENTS

Computational and Experimental Methods for the Estimation of the Sensitivity Characteristics of a Vibration Induction Transducer

Authors: Yu.L. Nikolaev, A. A. Samorukov, A. A. Borisenko

Published in: Measurement Techniques | Issue 10/2023

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Abstract

Methods are described for estimating the sensitivity characteristics of a vibration induction transducer designed to monitor the discontinuity of the surface of objects when they are magnetized by an applied constant field. Based on analysis of the mathematical model of the output signal of the vibration-induction transducer, analytical expressions are obtained for the conversion factors of the rate of change in the magnetic field intensity and acceleration along the coordinate of the vibration displacement of the transducer in the EMF induction coil. Methods of experimental estimation of the conversion factors are given, and the high convergence of calculated and experimental estimates is shown. Based on the formulated conditions for the detection of magnetic field anomalies arising on the defective surface areas and the known values of the conversion factors, calculated ratios were derived to estimate the sensitivity thresholds of the transducer according to the orthogonal components of the magnetic field intensity distribution. As a result of experimental verification, the adequacy of the calculated and experimental estimates of the sensitivity thresholds was confirmed. Recommendations are given for the application of computational and experimental methods for assessing the sensitivity characteristics of a vibration induction transducer.

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Footnotes
1
GOST 8.030-2013. GSI (State System for Ensuring Uniform Measurement) State verification scheme for measurement facilities of magnetic induction, magnetic stream, magnetic moment, and the gradient of magnetic induction.
 
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Metadata
Title
Computational and Experimental Methods for the Estimation of the Sensitivity Characteristics of a Vibration Induction Transducer
Authors
Yu.L. Nikolaev
A. A. Samorukov
A. A. Borisenko
Publication date
20-04-2023
Publisher
Springer US
Published in
Measurement Techniques / Issue 10/2023
Print ISSN: 0543-1972
Electronic ISSN: 1573-8906
DOI
https://doi.org/10.1007/s11018-023-02147-3

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