Frequency division sensor signal by controlled and interfering parameters
https://doi.org/10.21822/2073-6185-2021-48-4-27-33
Abstract
Objective. The aim of the study is the possibility of obtaining the impedance of the controlled and interfering parameters using the example of a capacitor sensor.
Method. The study is based on the determination of the analytical relationship between the change in the impedance of the sensor and the frequency of the current in which the capacitance of the capacitor is excited.
Result. Having determined the resistance of individual circuit elements, you can find the impedance of the equivalent circuit at any fixed frequency. An equation for the impedance of the sensor is obtained, reflecting the dependence of the output signal on the change in both the controlled humidity and the interfering parameter - the dielectric constant of oil at any frequency in the studied range. The existence of the frequency parameter for the separation of information contained in the output signal of the measuring circuit has been proved.
Conclusion. If the parametric separation of the signal is possible, the output value of the sensor can be automatically corrected for the change in the dielectric constant of the "dry" oil, and continuous measurement of the controlled moisture can be carried out.
Keywords
About the Authors
T. G. Hasanov
Daghestan State Technical University
Russian Federation
Russian Federation
Telman G. Gasanov, Cand. Sci. (Eng.), Assoc. Prof., Department of Organization and Traffic Safety
70 I. Shamilya Ave., Makhachkala 367026
E. Z. Batmanov
Daghestan State Technical University
Russian Federation
Russian Federation
Edward Z. Batmanov, Cand. Sci. (Eng.), Assoc. Prof., Dean of the Faculty of Law and Transport Management
70 I. Shamilya Ave., Makhachkala 367026
M. R. Guseinov
Daghestan State Technical University
Russian Federation
Russian Federation
Marat R. Guseynov, Senior Lecturer, Department of Transport Structures and Building Materials
70 I. Shamilya Ave., Makhachkala 367026
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Review
For citations:
Hasanov T.G., Batmanov E.Z., Guseinov M.R. Frequency division sensor signal by controlled and interfering parameters. Herald of Dagestan State Technical University. Technical Sciences. 2021;48(4):27-33. (In Russ.) https://doi.org/10.21822/2073-6185-2021-48-4-27-33
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