Modeling of Piezoelectric Tube Resonators for Liquid Sensing Applications

Thomas Voglhuber-Brunnmaier; Hannes Antlinger; Roman Beigelbeck; Bernhard Jakoby

Modeling of Piezoelectric Tube Resonators for Liquid Sensing Applications

Thomas Voglhuber-Brunnmaier
, Hannes Antlinger
, Roman Beigelbeck
, Bernhard Jakoby

Institute of Microelectronics and Microsensors

Research output: Chapter in Book/Report/Conference proceeding › Conference proceedings › peer-review

Abstract

A model for the electrical impedance of a fluidic piezoelectric tube sensor, resonating in thickness-wall-mode, is presented. The tube is mechanically loaded with acoustic impedances which represent the fluid properties. It is shown that the electrical impedance of a plane resonator model yields results very close to the tube model, if the static capacitance of the tube is used with the plane impedance expression. Therefore, the common transmission line models may furthermore be used with minor changes. Measurement results are compared with the cylindrical model and with the plane approximation

Original language	English
Title of host publication	Proc. IEEE Sensors 2013
Number of pages	4
Publication status	Published - Nov 2013

Fields of science

203017 Micromechanics
202019 High frequency engineering
202028 Microelectronics
202039 Theoretical electrical engineering
202037 Signal processing
202027 Mechatronics
202036 Sensor systems

JKU Focus areas

Mechatronics and Information Processing

Cite this

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title = "Modeling of Piezoelectric Tube Resonators for Liquid Sensing Applications",

abstract = "A model for the electrical impedance of a fluidic piezoelectric tube sensor, resonating in thickness-wall-mode, is presented. The tube is mechanically loaded with acoustic impedances which represent the fluid properties. It is shown that the electrical impedance of a plane resonator model yields results very close to the tube model, if the static capacitance of the tube is used with the plane impedance expression. Therefore, the common transmission line models may furthermore be used with minor changes. Measurement results are compared with the cylindrical model and with the plane approximation",

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AU - Voglhuber-Brunnmaier, Thomas

AU - Antlinger, Hannes

AU - Beigelbeck, Roman

AU - Jakoby, Bernhard

PY - 2013/11

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N2 - A model for the electrical impedance of a fluidic piezoelectric tube sensor, resonating in thickness-wall-mode, is presented. The tube is mechanically loaded with acoustic impedances which represent the fluid properties. It is shown that the electrical impedance of a plane resonator model yields results very close to the tube model, if the static capacitance of the tube is used with the plane impedance expression. Therefore, the common transmission line models may furthermore be used with minor changes. Measurement results are compared with the cylindrical model and with the plane approximation

AB - A model for the electrical impedance of a fluidic piezoelectric tube sensor, resonating in thickness-wall-mode, is presented. The tube is mechanically loaded with acoustic impedances which represent the fluid properties. It is shown that the electrical impedance of a plane resonator model yields results very close to the tube model, if the static capacitance of the tube is used with the plane impedance expression. Therefore, the common transmission line models may furthermore be used with minor changes. Measurement results are compared with the cylindrical model and with the plane approximation

M3 - Conference proceedings

BT - Proc. IEEE Sensors 2013

ER -