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Intelligent system for measuring the level and mass of liquid in fuel tanks and tanks during pitching and tilting
https://doi.org/10.32446/0132-4713.2021-1-31-45
Abstract
An overview of the existing methods for measuring the liquid level and their disadvantages in the case of surface vibrations is presented. A system for continuous measurement of the mass of liquids in fuel tanks and tanks during rolling and tilting of vehicles and ships, implemented in a level gauge based on intelligent sensors, is proposed. The sensors include a microcontroller with an individual calibration characteristic of the volume-level dependence, taking into account the shape of the tank or fuel tank, and nanosensors built into the intelligent sensor (ID) for measuring density, permittivity and ambient temperature. It is established that the actual metrological characteristics of the ID are significantly higher than the characteristics of traditional sensors. The number and dimensions of the plates of flat capacitors are justified and the scheme of their arrangement on the roof of the tanks is presented. The exclusion of movable elements increased the reliability of operation, simplified maintenance and design requirements of the measuring object. Analytical expressions for calculating the level and mass of the liquid, implemented by the microcontroller, are given. The use of the proposed measurement system with complex computational processing and taking into account corrections for temperature, density, humidity and permittivity of the liquid made it possible to increase the accuracy and stability of the level meter readings. Analytical expressions are derived that relate the liquid level and the output frequency of the generator from the composition of the level gauge.
About the Authors
Zh. A. Sukhinets
Ufa State Aviation Technical University
Russian Federation
Russian Federation
Zhanna A. Sukhinets
Ufa
A. I. Gulin
Ufa State Petroleum Technological University
Russian Federation
Russian Federation
Artur I. Gulin
Ufa
References
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Review
For citations:
Sukhinets Zh.A., Gulin A.I. Intelligent system for measuring the level and mass of liquid in fuel tanks and tanks during pitching and tilting. Metrologiya. 2021;(1):31-45. (In Russ.) https://doi.org/10.32446/0132-4713.2021-1-31-45
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