Abstract
This paper describes an original four arm single mesh resistance circuit. It has the similar structure as the bridge circuit but is unconventionally supplied by the current source which is switched over between opposite arms. The two output signals of this circuit are sums of two voltages obtained after switching on each bridge diagonal. The processing of this signals allows to find two measured variables which differently influencing arm resistances. The two dimensional (2D) converter of the resistance changes to voltages based on this input circuit is build. It is described in detail and its dynamic properties are examined. The achieved results confirm that this unconventional signal conditioning circuit can be successfully used in continues measurements of two parameters, e.g. two geometrical components of the strain or the strain and temperature by a single differential sensor.
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Idźkowski, A., Świętochowski, P., Warsza, Z.L., Walendziuk, W. (2015). Unconventional Double R/U Converter for Measurement of Two Quantities by a Single Differential Sensor. In: Szewczyk, R., Zieliński, C., Kaliczyńska, M. (eds) Progress in Automation, Robotics and Measuring Techniques. Advances in Intelligent Systems and Computing, vol 352. Springer, Cham. https://doi.org/10.1007/978-3-319-15835-8_10
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DOI: https://doi.org/10.1007/978-3-319-15835-8_10
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-15834-1
Online ISBN: 978-3-319-15835-8
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