Abstract
A procedure of testing sensors for compliance with the metrological requirements immediately on the plant in the course of operation was proposed. It is based on using the predefined calibration characteristics and main errors for various values of the influencing factors, generating a reference signal in the course of diagnosis, measuring the affecting factors, and comparing the sensor readings with the values obtained at calibration. A diagnostic procedure for the cases where determination of the reference signal is hindered was considered. Feasibility of diagnosis without generating the reference signal was exemplified by the radio-frequency sensors.
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REFERENCES
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Lunkin, B.V., Fundamental of the Theory of Laminar Sensitive Elements of Radiowave Sensors, Trudy Inst. Probl. Upravlen., 2002, vol. XVI, pp. 9, 10.
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Lunkin, B.V. Diagnosis of Sensors on the Controlled Plants. Automation and Remote Control 64, 1810–1819 (2003). https://doi.org/10.1023/A:1027390632371
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DOI: https://doi.org/10.1023/A:1027390632371