Analysis and Enhanced Modeling of Inductive Displacement Sensor in Active Magnetic Bearing

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Salahmanesh, Mohammad Ali, Abootorabi Zarchi, Hossein, Mosaddegh Hesar, Hamidreza, Abdi Jalebi, Salman, Arab Markadeh, Gholamreza and Derakhshi, Ali Akbar (2024) Analysis and Enhanced Modeling of Inductive Displacement Sensor in Active Magnetic Bearing. In: Proceedings of the 2024 International Conference on Electrical Machines (ICEM). The Institute of Electrical and Electronics Engineers (IEEE). ISBN 9798350370607

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Abstract

Inductive displacement sensors are commonly used in active magnetic bearing (AMB) applications. In most research, conventional models used to analyze inductive sensors in terms of determining sensitivity and obtaining a relationship between output voltage and displacement ignore the effects of fringing in air gaps. However, the effects of flux fringing on the performance of these sensors cannot be ignored in industrial applications. In this article, by using the Schwarz-Christoffel transformation, 3-D self-and mutual inductances for the radial and axial poles of a 3-degree-of-freedom inductive sensor are calculated, with the effects of fringing taken into account. The results of these calculations are compared with finite element results. The results show that the model based on the Schwarz-Christoffel method outperforms the ideal model in which flux fringing is ignored, with an inductance calculation error of about 8% for radial poles and 6.5% for axial poles, respectively.

Item Type:	Book Section
Uncontrolled Keywords:	3d inductances,displacement sensor,fringing effect,schwarz-christoffel transformation,energy engineering and power technology,control and systems engineering,electrical and electronic engineering,mechanical engineering ,/dk/atira/pure/subjectarea/asjc/2100/2102
Faculty \ School:	Faculty of Science > School of Engineering, Mathematics and Physics
UEA Research Groups:	Faculty of Science > Research Groups > Sustainable Energy
Related URLs:	http://www.scopus.com/inward/record.url?... https://ieeexplore.ieee.org/document/107...
Depositing User:	LivePure Connector
Date Deposited:	15 Oct 2024 10:30
Last Modified:	12 Nov 2024 00:56
URI:	https://ueaeprints.uea.ac.uk/id/eprint/97027
DOI:	10.1109/ICEM60801.2024.10700376

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