Capacitive Level Sensors (CLSs) are one of the most used level-sensing technologies in the industry as they are cheap, reliable and show high sensitivity. A typical capacitive level sensor with concentric and closed cylindrical armatures has slow dynamical response when used for high viscosity liquids such as lubricating oil for aeronautic applications. This work investigates a conditioning circuit that uses a capacitance to frequency converter and that could provide fast and accurate measurements when paired with cylindrical sensor using an LC tank-based oscillator as the exciting source. The preliminary experimental results show a linear response with small error and little deviation.

Development and Prototyping of a Capacitive Oil Level Sensor for Aeronautical Applications

Francesco Adamo;Filippo Attivissimo;Attilio Di Nisio;Daniel Lotano;Sergio De Gioia;Mario Savino
2022-01-01

Abstract

Capacitive Level Sensors (CLSs) are one of the most used level-sensing technologies in the industry as they are cheap, reliable and show high sensitivity. A typical capacitive level sensor with concentric and closed cylindrical armatures has slow dynamical response when used for high viscosity liquids such as lubricating oil for aeronautic applications. This work investigates a conditioning circuit that uses a capacitance to frequency converter and that could provide fast and accurate measurements when paired with cylindrical sensor using an LC tank-based oscillator as the exciting source. The preliminary experimental results show a linear response with small error and little deviation.
2022
25th IMEKO TC-4 International Symposium
978-92-990090-1-7
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/243160
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