Level Measurement for Saline with a Small Surface Area Using High Frequency Electromagnetic Sensing Technique

Tiemei   Yang; Qiang Zhao; Kin Yau  How; Kai Xu; Mingyang Lu; Yuedong Xie; Wuliang Yin

doi:10.1016/j.measurement.2017.01.025

Level Measurement for Saline with a Small Surface Area Using High Frequency Electromagnetic Sensing Technique

Tiemei Yang, Qiang Zhao, Kin Yau How, Kai Xu, Mingyang Lu, Yuedong Xie, Wuliang Yin

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Abstract

Liquid level measurement is an important requirement in many industrial applications. Previously, an inductance method was developed for liquid with an infinite surface area; but the technique is not suitable for liquid with a small surface area, in which case, the analytical approach we developed previously is no longer valid. In this paper, we present a novel approach based on the high frequency electromagnetic induction technique for the measurement of liquid level with a small surface area. To understand the electromagnetic interaction between the proposed sensor and the liquid under measurement, a FEM solver in the thick skin regime is developed for the modeling. The developed 3D solver has the capability to simulate liquid with an arbitrary surface area. An FPGA based instrument has been developed for this measurement application and experiments were conducted in our laboratory. Sensitivity analysis and error analysis have been carried out for selecting optimal coil configurations. Experiment results have shown that under optimal conditions, the level accuracy is within 0.5mm. This confirmed the validity and effectiveness of our proposed approach based on the high frequency electromagnetic sensing principle.

Original language	English
Journal	Measurement
Volume	101
Early online date	19 Jan 2017
DOIs	https://doi.org/10.1016/j.measurement.2017.01.025
Publication status	Published - Apr 2017

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10.1016/j.measurement.2017.01.025

Measurement of liquid level with a small surface area V11Accepted author manuscript, 831 KB

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 → …
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@article{52ba60f25aed457baf67ff826157f527,

title = "Level Measurement for Saline with a Small Surface Area Using High Frequency Electromagnetic Sensing Technique",

abstract = "Liquid level measurement is an important requirement in many industrial applications. Previously, an inductance method was developed for liquid with an infinite surface area; but the technique is not suitable for liquid with a small surface area, in which case, the analytical approach we developed previously is no longer valid. In this paper, we present a novel approach based on the high frequency electromagnetic induction technique for the measurement of liquid level with a small surface area. To understand the electromagnetic interaction between the proposed sensor and the liquid under measurement, a FEM solver in the thick skin regime is developed for the modeling. The developed 3D solver has the capability to simulate liquid with an arbitrary surface area. An FPGA based instrument has been developed for this measurement application and experiments were conducted in our laboratory. Sensitivity analysis and error analysis have been carried out for selecting optimal coil configurations. Experiment results have shown that under optimal conditions, the level accuracy is within 0.5mm. This confirmed the validity and effectiveness of our proposed approach based on the high frequency electromagnetic sensing principle.",

author = "Tiemei Yang and Qiang Zhao and How, {Kin Yau} and Kai Xu and Mingyang Lu and Yuedong Xie and Wuliang Yin",

year = "2017",

month = apr,

doi = "10.1016/j.measurement.2017.01.025",

language = "English",

volume = "101",

journal = "Measurement",

issn = "0263-2241",

publisher = "Elsevier BV",

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T1 - Level Measurement for Saline with a Small Surface Area Using High Frequency Electromagnetic Sensing Technique

AU - Yang, Tiemei

AU - Zhao, Qiang

AU - How, Kin Yau

AU - Xu, Kai

AU - Lu, Mingyang

AU - Xie, Yuedong

AU - Yin, Wuliang

PY - 2017/4

Y1 - 2017/4

N2 - Liquid level measurement is an important requirement in many industrial applications. Previously, an inductance method was developed for liquid with an infinite surface area; but the technique is not suitable for liquid with a small surface area, in which case, the analytical approach we developed previously is no longer valid. In this paper, we present a novel approach based on the high frequency electromagnetic induction technique for the measurement of liquid level with a small surface area. To understand the electromagnetic interaction between the proposed sensor and the liquid under measurement, a FEM solver in the thick skin regime is developed for the modeling. The developed 3D solver has the capability to simulate liquid with an arbitrary surface area. An FPGA based instrument has been developed for this measurement application and experiments were conducted in our laboratory. Sensitivity analysis and error analysis have been carried out for selecting optimal coil configurations. Experiment results have shown that under optimal conditions, the level accuracy is within 0.5mm. This confirmed the validity and effectiveness of our proposed approach based on the high frequency electromagnetic sensing principle.

AB - Liquid level measurement is an important requirement in many industrial applications. Previously, an inductance method was developed for liquid with an infinite surface area; but the technique is not suitable for liquid with a small surface area, in which case, the analytical approach we developed previously is no longer valid. In this paper, we present a novel approach based on the high frequency electromagnetic induction technique for the measurement of liquid level with a small surface area. To understand the electromagnetic interaction between the proposed sensor and the liquid under measurement, a FEM solver in the thick skin regime is developed for the modeling. The developed 3D solver has the capability to simulate liquid with an arbitrary surface area. An FPGA based instrument has been developed for this measurement application and experiments were conducted in our laboratory. Sensitivity analysis and error analysis have been carried out for selecting optimal coil configurations. Experiment results have shown that under optimal conditions, the level accuracy is within 0.5mm. This confirmed the validity and effectiveness of our proposed approach based on the high frequency electromagnetic sensing principle.

U2 - 10.1016/j.measurement.2017.01.025

DO - 10.1016/j.measurement.2017.01.025

M3 - Article

SN - 0263-2241

VL - 101

JO - Measurement

JF - Measurement

ER -

Level Measurement for Saline with a Small Surface Area Using High Frequency Electromagnetic Sensing Technique

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