Annotation Purpose. Improving the efficiency of harvesting work based on the development of information tools for determining grain moisture. Methods. Method of regression analysis, method of planning and processing of experimental data using software packages – “Microsoft Office Excel 2010”, Microsoft Visual Studio Community 2015 in C ++, statistical method of processing research results. Results. Regression model of the dependence of the electric capacitance of the capacitor on the working area of the plates of the capacitor of the sensing element and the distance between the plates of the capacitor. Rational values of the parameters of the sensitive element of the grain moisture indicator. Conclusions 1. The NSC “IAEE” has developed a simple and reliable indicator of grain moisture, the principle of which is based on the change in dielectric constant between the plates of the capacitor. 2. A regression model of the dependence of the electric capacitance of the capacitor on the working area of the capacitor plates of the sensing element and the distance between the plates of the capacitor, which allowed to determine that at a capacitor plate area of 200 mm, the rational value of the distance between capacitor plates is 0.69 mm. 3. The values of the rational values of the distance between the plates of the capacitor of the sensitive element of the grain moisture indicator, which are obtained in theoretical calculations and experimental studies, differ by 15%. Keywords: grain, humidity, grain moisture indicator, primary converter, rational parameters.
Annotation Purpose. Effective soil decompressing in modern crop production technologies. Methods. Analysis of modern methods of monitoring the physical condition of the soil, the method of radio wave profiling of the surface of the field, the method of synthesis of technical means, the theory of automatic control. Results. Model ultrasonic monitoring of the depth of the soil compacted layer, the device of forming a control signal to change the depth of the working body of the soil ripper, the results of the device study for operational determination depth of the compacted soil layer. Conclusions. The method of continuous radio wave profiling of the surface of the field in the movement of the ITA allows to effectively determine the depth of the location of the compacted soil layer in modern technologies of crop production. The device for operational control of the depth of the soil cultivator of the agricultural ITA allows to effectively loosen the soil while reducing fuel consumption by 20% and increasing the productivity of the unit by 10%. Keywords: agrotechnology, soil ripper, radio physical method, operational monitoring of soil compaction.
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