Measurement of Ferromagnetic Slabs Permeability Based on a Novel Planar Triple-Coil Sensor

Mingyang Lu; Xiaobai Meng; Liming Chen; Ruochen Huang; Wuliang Yin; Anthony Peyton

doi:10.1109/JSEN.2019.2957212

Measurement of Ferromagnetic Slabs Permeability Based on a Novel Planar Triple-Coil Sensor

Mingyang Lu^*, Xiaobai Meng, Liming Chen, Ruochen Huang, Wuliang Yin, Anthony Peyton

^*Corresponding author for this work

UMIST

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Abstract

Eddy current methods are wildly used for measuringthe electromagnetic property of ferromagneticsamples due to its high sensitivities and portability (when using the remote electromagnetic sensor). However, in diverse applications, the eddy current measurement is always hampered by the lift-off variation - the gap between the sensing probe and the sample. In this paper, the measurement error of the permeability caused by the lift-off variation could be significantly reduced when using a developed planar triple-coil sensor. An inverse algorithm, the single-frequency eddy current algorithm is established for the evaluation of the permeability by referring to the phase of themeasured impedance or inductance. Based on the experiments of several ferromagnetic samples when using the developed sensor and inverse algorithm, the measured permeability is proved can be almost immune to the lift-off variations.

Original language	English
Article number	8918480
Pages (from-to)	2904-2910
Number of pages	7
Journal	IEEE Sensors Journal
Volume	20
Issue number	6
Early online date	2 Dec 2019
DOIs	https://doi.org/10.1109/JSEN.2019.2957212
Publication status	Published - 15 Mar 2020

Keywords

ferromagnetic slabs
inverse algorithm
lift-off effects
non-destructive evaluation
Permeability measurement
single-frequency eddy current sensor

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10.1109/JSEN.2019.2957212

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Electromagnetic Sensing Group
Peyton, A. (PI), Fletcher, A. (Researcher), Daniels, D. (CoI), Conniffe, D. (PGR student), Podd, F. (PI), Davidson, J. (Researcher), Anderson, J. (Support team), Wilson, J. (Researcher), Marsh, L. (PI), O'Toole, M. (PI), Watson, S. (PGR student), Yin, W. (PI), Regan, A. (PGR student), Williams, K. (Researcher), Rana, S. (Researcher), Khalil, K. (PGR student), Hills, D. (PGR student), Whyte, C. (PGR student), Wang, C. (PGR student), Hodgskin-Brown, R. (PGR student), Dadkhahtehrani, F. (PGR student), Forster, S. (PGR student), Zhu, F. (PGR student), Yu, K. (PGR student), Xiong, L. (PGR student), Lu, T. (PGR student), Zhang, L. (PGR student), Lyu, R. (PGR student), Zhu, R. (PGR student), She, S. (PGR student), Meng, T. (PGR student), Pang, X. (PGR student), Zheng, X. (PGR student), Bai, X. (PGR student), Zou, X. (PGR student), Ding, Y. (PGR student), Shao, Y. (PGR student), Xia, Z. (PGR student), Zhang, Z. (PGR student), Khangerey, R. (PGR student) & Lawless, B. (Researcher)
1/10/04 → …
Project: Research
Electromagnetic Tensor Imaging for in Process Welding Inspection
Yin, W. (PI) & Peyton, A. (CoI)
1/08/15 → 31/07/18
Project: Research

Cite this

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title = "Measurement of Ferromagnetic Slabs Permeability Based on a Novel Planar Triple-Coil Sensor",

abstract = "Eddy current methods are wildly used for measuringthe electromagnetic property of ferromagneticsamples due to its high sensitivities and portability (when using the remote electromagnetic sensor). However, in diverse applications, the eddy current measurement is always hampered by the lift-off variation - the gap between the sensing probe and the sample. In this paper, the measurement error of the permeability caused by the lift-off variation could be significantly reduced when using a developed planar triple-coil sensor. An inverse algorithm, the single-frequency eddy current algorithm is established for the evaluation of the permeability by referring to the phase of themeasured impedance or inductance. Based on the experiments of several ferromagnetic samples when using the developed sensor and inverse algorithm, the measured permeability is proved can be almost immune to the lift-off variations.",

keywords = "ferromagnetic slabs, inverse algorithm, lift-off effects, non-destructive evaluation, Permeability measurement, single-frequency eddy current sensor",

author = "Mingyang Lu and Xiaobai Meng and Liming Chen and Ruochen Huang and Wuliang Yin and Anthony Peyton",

year = "2020",

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doi = "10.1109/JSEN.2019.2957212",

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T1 - Measurement of Ferromagnetic Slabs Permeability Based on a Novel Planar Triple-Coil Sensor

AU - Lu, Mingyang

AU - Meng, Xiaobai

AU - Chen, Liming

AU - Huang, Ruochen

AU - Yin, Wuliang

AU - Peyton, Anthony

PY - 2020/3/15

Y1 - 2020/3/15

N2 - Eddy current methods are wildly used for measuringthe electromagnetic property of ferromagneticsamples due to its high sensitivities and portability (when using the remote electromagnetic sensor). However, in diverse applications, the eddy current measurement is always hampered by the lift-off variation - the gap between the sensing probe and the sample. In this paper, the measurement error of the permeability caused by the lift-off variation could be significantly reduced when using a developed planar triple-coil sensor. An inverse algorithm, the single-frequency eddy current algorithm is established for the evaluation of the permeability by referring to the phase of themeasured impedance or inductance. Based on the experiments of several ferromagnetic samples when using the developed sensor and inverse algorithm, the measured permeability is proved can be almost immune to the lift-off variations.

AB - Eddy current methods are wildly used for measuringthe electromagnetic property of ferromagneticsamples due to its high sensitivities and portability (when using the remote electromagnetic sensor). However, in diverse applications, the eddy current measurement is always hampered by the lift-off variation - the gap between the sensing probe and the sample. In this paper, the measurement error of the permeability caused by the lift-off variation could be significantly reduced when using a developed planar triple-coil sensor. An inverse algorithm, the single-frequency eddy current algorithm is established for the evaluation of the permeability by referring to the phase of themeasured impedance or inductance. Based on the experiments of several ferromagnetic samples when using the developed sensor and inverse algorithm, the measured permeability is proved can be almost immune to the lift-off variations.

KW - ferromagnetic slabs

KW - inverse algorithm

KW - lift-off effects

KW - non-destructive evaluation

KW - Permeability measurement

KW - single-frequency eddy current sensor

U2 - 10.1109/JSEN.2019.2957212

DO - 10.1109/JSEN.2019.2957212

M3 - Article

AN - SCOPUS:85079799011

SN - 1530-437X

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JO - IEEE Sensors Journal

JF - IEEE Sensors Journal

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M1 - 8918480

ER -

Measurement of Ferromagnetic Slabs Permeability Based on a Novel Planar Triple-Coil Sensor

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Keywords

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Electromagnetic Sensing Group

Electromagnetic Tensor Imaging for in Process Welding Inspection

Cite this