Issue №: 3(110)
The journal deals with the problems of vibration technologies and machines, mathematical methods of vibration process studies, information on design and technological development, presents teaching and methodological aspects of teaching in the Higher School of Applied Sciences, where vibration machines and technologies are studied.
TESTING OF THE MATHEMATICAL MODEL OF THE WORK OF THE DISPENSER OF THE SEEDING APPARATUS OF THE SELECTION SEEDER OF SMALL SEED CULTURES
Yaropud Vitaliy - Candidate of Technical Sciences, Associate Professor of the Department of machinery and equipment for agricultural production of Vinnytsia National Agrarian University (St. Soniachna, 3, Vinnytsia, Ukraine, 21008, e-mail: yaropud77@gmail.com).
Govorukha Volodymyr - Doctor of physical and mathematical sciences, professor of the department of higher mathematics, physics and general engineering disciplines of the Dnipropetrovsk State Agrarian and Economic University (25 Serhiy Yefremova St., Dnipro, Ukraine, 49600)
Datsiuk Dmytro - postgraduate student of the Department "Machinery and Equipment of Agricultural Production" of Vinnytsia National Agrarian University (3 Sonyachna Street, Vinnytsia, 21008)
In Ukraine, the most common selection planters are "Maple" planters with electromechanical seeding devices. These planters are designed for accurate row sowing of small-seeded crops on the plots of preliminary and production competitive variety testing, as well as for conducting agrotechnical research. They are equipped with a reliable electromechanical drive and a rotary seed distributor.
The analysis of the operation of the "Maple" electromechanical seeding system made it possible to identify the main directions for its improvement. It is necessary to improve the working body of the seeding device in order to ensure the accuracy of sowing small-seeded crops at the level of 95.0%.
The purpose of the research is the development of a mathematical model of the operation of the dispenser of the seeding apparatus of the selection seeder of small-seeded crops and its production verification.
For the operation of the seeder, a program was compiled in the Arduino IDE environment, which was based on the developed mathematical model of the operation of the dispenser of the seeder of the selection seeder of small-seeded crops.
A program was compiled in the Wolfram Cloud to determine the mode parameters of the seeding machine dispenser (valve rotation angle α, the time interval when the valve is open or closed Δt) taking into account the given average effective seed diameter Dμ, the seeding rate N and the movement speed of the planter V. In the following, the given program will be used when creating a production sample of the seeding machine dispenser.
The results of testing the experimental sample of the improved seeding device in production conditions show that its sowing accuracy is higher (89.3–95.1%) than that of the basic planter "Klen-4.2" (85.2–92.0%). Also, the quality of sowing is indicated by the obtained plant stand density: for the improved seeding device – 982.0–1057.5 thousand units/ha, and for the basic one – 940.9–1029.8 thousand units/ha. This is at the established rate of sowing - 1,000 thousand units/ha. The yield of winter mustard was: for the improved seeding apparatus - 0.92–1.07 t/ha, and for the basic one - 0.89–1.03 t/ha. The smallest significant difference for productivity was 0.03 t/ha, which confirms the statistical adequacy of the measurement results.
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About the journal
The journal "Vibrations in Engineering and Technologies" is included in the list of technical scientific publications of Ukraine
(Category "B", Order of the Ministry of Education and Science of Ukraine dated July 2, 2020 No. 886)
Old version of the site: http://vibrojournal.vsau.edu.ua/
The journal "Vibrations in Engineering and Technology" is indexed by the following databases and catalogs:
The certificateof massmedia State registration:kv no 16643-5115 from 30.04.2010 .
Founder of the journal: Vinnytsia National Agrarian University
The journal is devoted to highlighting current issues in engineering, mechanical engineering, and technological processes, including the study of dynamic and oscillatory phenomena in technical systems, the application of mathematical methods for process modeling and analysis, as well as the presentation of results of design-engineering and technological developments. Particular attention is given to the study of vibration processes and their application in modern technologies.
The purpose of the scientific journal “Vibrations in Engineering and Technologies” is to disseminate the results of fundamental and applied research in the field of engineering sciences aimed at developing theoretical foundations and practical approaches to the design, analysis, and improvement of machines, materials, and technological processes, including the use of vibration and oscillatory effects in various sectors of production.
The publication is focused on the formation of a modern scientific and informational environment for the effective exchange of research results, support of innovative development, and implementation of advanced technical solutions in industry, agro-industrial production, and related fields.
The journal promotes the development of interdisciplinary research, the integration of modern engineering approaches, and the enhancement of the efficiency of technological processes and technical systems, including through the rational use of vibration phenomena.
Objectives of the Scientific Journal
To achieve its stated purpose, the journal addresses the following key objectives:
dissemination of results of fundamental and applied scientific research in the fields of mechanics, mechanical engineering, technological processes, machine dynamics, and equipment, as well as in areas related to the application of vibration phenomena in engineering and technologies;
promotion of research aimed at the creation and improvement of machines, mechanisms, and technological equipment based on oscillatory and vibration processes;
support for the implementation of modern technological solutions focused on improving productivity, energy efficiency, and reliability of technical systems;
обеспечение scientific exchange of research results among research institutions, higher education establishments, and industrial enterprises;
development of interdisciplinary cooperation among researchers in the fields of mechanics, materials science, material processing technologies, and automation of technological processes;
dissemination of modern scientific achievements and advanced technologies related to the application of vibration processes in production and technical systems.
Publisher Vinnytsia National Agrarian University
In June 1994 the 2nd International Scientific and Technical Conference "Application of vibrations for technological purposes" was organized on the basis of Vinnytsia State Agricultural Institute. Leading experts in this field, noting the significant contribution to the school of Vibration Engineering under the leadership of P. S. Bernyk, proposed to create a professional all-Ukrainian scientific and technical journal "Vibration in engineering and technology..The journal was foundedat Vinnytsia State Agricultural Institute and P.S. Bernyk was elected to be the chief editor .
For all these years (since 1994) theJournal "vibration in engineering and technology" published 119 issues wherestudy of vibration effects, the creation of progressive energy saving technologies and equipment for their implementation were highlighted.
Currently Ihor Kupchuk, Candidate of Technical Sciences, Associate professor, Associate Professor of the Department of Engineering Mechanics and Technological Processes in the Agricultural Industry Faculty of Engineering and Technology Vinnytsia National Agrarian University is the chief editor of the "Vibrations in engineering and Technology"
The journal "Vibration in Engineering and technology", which has no analogues on the territory of Ukraine, is well known abroad.
