Original title: Thermoanemometric flow sensor control using pulse width modulation
Authors: Mlčoch, Albert ; Beneš, Petr
Document type: Papers
Language: eng
Publisher: Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií
Abstract: PWM control of the heated element in constant temperature difference mode was designed and tested for the thermal flowmeter. The reason for using this solution is to extend the operating range and reduce the power losses of the control elements. The proposed solution allows linearization and adjustment of the operating point to the desired flow range and fluid temperature without any change in the wiring or electronics. The functionality of this solution was demonstrated over a range of 80 kg/h with a repeatability of 2 %.
Keywords: PWM, thermoanemometric flowmeter, heat transfer, Joule heat, synchronised measurement, temperature regulation, PS regulator, flow measurement
Host item entry: Proceedings II of the 28st Conference STUDENT EEICT 2022: Selected papers, ISBN 978-80-214-6030-0

Institution: Brno University of Technology (web)
Document availability information: Fulltext is available in the Brno University of Technology Digital Library.
Original record: http://hdl.handle.net/11012/208625

Permalink: http://www.nusl.cz/ntk/nusl-511894


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