Modeling and Solution of Signal Oscillation Mechanism of the Multi-Coil Sensor

The multi-coil sensor consisting of a series of sub-coils provides a reliable way to avoid signal distortion from excitation field. Compared with conventional coil sensors, the multi-coil sensor exhibits more complex signal conversion performance, and the conventional equivalent circuit cannot revea...

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Bibliographic Details
Published inSensors (Basel, Switzerland) Vol. 19; no. 16; p. 3563
Main Authors Huang, Jiangbo, Wang, Haowen, Fu, Zhihong, Fu, Wei
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 15.08.2019
MDPI
Subjects
Circuit reliability
Circuits
Equivalent circuits
Geophysics
Magnetic fields
multi-coil
Regularization methods
sensor
Sensors
Signal distortion
signal oscillation
Signal transmission
China
multi-coil
sensor
signal oscillation
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Summary:The multi-coil sensor consisting of a series of sub-coils provides a reliable way to avoid signal distortion from excitation field. Compared with conventional coil sensors, the multi-coil sensor exhibits more complex signal conversion performance, and the conventional equivalent circuit cannot reveal the possible attenuated oscillation, which seriously degrades the detection reliability. Based on a novel equivalent circuit model, this research investigates the causes of signal oscillation and proposes and validates an effective solution, which contributes to the signal transmission characteristics of multi-coil sensors for engineering applications.
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ISSN:1424-8220
1424-8220
DOI:10.3390/s19163563