Analysis of Circuit Parameters of Eddy Current Sensor

Abstract:

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In order to improve the sensitivity of the eddy current sensor, a sensor measuring circuit based on the resonance method is designed in this paper. The working principle of eddy current sensor is introduced, the relationship between output voltage and inductance value is obtained by the analysis of the resonant circuit parameters, and then simulated by MATLAB software. Circuit parameters are optimized, and the various circuit parameters are obtained under the condition of considering the highest value of the linearity and sensitivity.

Info:

Periodical:

Advanced Materials Research (Volumes 588-589)

Edited by:

Lawrence Lim

Pages:

692-695

Citation:

M. Zong et al., "Analysis of Circuit Parameters of Eddy Current Sensor", Advanced Materials Research, Vols. 588-589, pp. 692-695, 2012

Online since:

November 2012

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$38.00

[1] Tai Ch. Ch, Rose J. H, Moulder J.C. Thickness and conductivity of metallic layers from pulsed eddy-current measurement [J]. Review of Scientific Instruments. 1996. 67(1 1): 3965-3972.

DOI: https://doi.org/10.1063/1.1147300

[2] Hamasaki Y, Ide T. Fabrication of multi-layer eday current micro sensors for non-destructive inspection of small diameter pipes [C]. Proceedings of the 8th IEEE Workshop on Micro Electro Mechanical Systems(MEMS 95), Amsterdam(Netherlands), 29 Jan. -2 Feb. 1 995: 232-237.

DOI: https://doi.org/10.1109/memsys.1995.472574

[3] Tomasz Chady, Masato Enokizono, Ryszard Sikora. Neural Network Models of Eday Current Multi-Frequency System for Nondestructive Testing [J]. IEEE Transactions on Magnetics. 2000. 36(4): 1724-1727.

DOI: https://doi.org/10.1109/20.877775

[4] Clauzon T, Thollon F, Nicolas A. Haws Characterization with Pulsed Eday Currents NDT[J]. IEEE Transactions on Magnetics. 1 999. 35(3): 1873-1876.

DOI: https://doi.org/10.1109/20.767399

[5] Atherton D.L. Romote Held Eddy Current Inspection [J]. IEEE Transactions on Magnetics. 1995. 31(6): 4142-4147.

DOI: https://doi.org/10.1109/20.489888

[6] Krcutzbruck M, Allweins K, Ruhl T. et. al. Defect Detection and Classification using a SQUID based Multiple Frequency Eddy Current NDE System [J]. IEEE Transactions On Applied Superconductivity. 2001. 11(1): 1032-1037.

DOI: https://doi.org/10.1109/77.919525