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Method for measuring the resistance of resistive sensors in information and measuring systems
https://doi.org/10.17586/0021-3454-2025-68-7-600-608
Abstract
A method for remote measurement of resistance of resistive sensors with their two-wire connection in monitoring systems is considered. The method allows to reduce significantly the influence of line resistance and is based on processing the results of integration of the transient process of discharge of a storage capacitor shunting the sensor. Results of experimental studies of the influence of the integration time and the resistance value of resistive sensors on the measurement error are presented. Based on the research results, a model for managing the integration time is constructed, which ensures a minimum range of resistance measurement errors. The error in measuring the resistance of resistive sensors is estimated. It is shown that the presented solution is more efficient than the alternative option for processing measurement results. The advantage of the proposed solution is simplification of communications and switches with a measurement error comparable to the error of systems with three- and four-wire sensor connections. The proposed measurement method can be used in multichannel systems for measuring parameters of objects and environments, in particular, temperature.
About the Authors
O. G. Bondar
Southwest State University
Russian Federation
Russian Federation
Oleg G. Bondar — PhD, Associate Professor; Department of Space Instrumentation and Communication Systems
Kursk
E. O. Brezhneva
Southwest State University
Russian Federation
Russian Federation
Ekaterina O. Brezhneva — PhD, Associate Professor; Department of Space Instrumentation and Communication Systems
Kursk
E. A. Vorobiev
Southwest State University
Russian Federation
Russian Federation
Egor A. Vorobiev — Student; Department of Space Instrumentation and Communication Systems
Kursk
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Review
For citations:
Bondar O.G., Brezhneva E.O., Vorobiev E.A. Method for measuring the resistance of resistive sensors in information and measuring systems. Journal of Instrument Engineering. 2025;68(7):600-608. (In Russ.) https://doi.org/10.17586/0021-3454-2025-68-7-600-608
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