Non-Intrusive Tank-Filling Sensor Based on Sound Resonance
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AuthorGarcía, Adrián; Toral, Víctor; Márquez, Álvaro; García, Antonio; Castillo, Encarnación; Parrilla Roure, Luis; Morales, Diego P.
Tank-filling sensorFill-level sensorReconfigurable instrumentationSound resonance
García, A. [et al.]. Non-Intrusive Tank-Filling Sensor Based on Sound Resonance. Electronics 2018, 7, 378; doi:10.3390/electronics7120378.
Different types of fill-level measurement systems exist in the market, but most of them imply some type of intrusion in the tank itself. In this paper, a reconfigurable system based on sound resonance for measuring the fill-level of a tank from the exterior is presented. A relation between sound resonance frequencies and the content of the tank has been found, especially as the tank gets closer to being full. A prototype has been created using reconfigurable technologies combined with wireless communications in order to control the system from an ad hoc application. With this prototype, the fill-level of different tanks has been measured with good resolution, especially when the tank is over half of its capacity.