Issue №: 3(90)
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.
А METHOD RANDOMLY DIRECTED SEARCH OF STATE BALANCED ROTOR WITH VARIABLE UNBALANCE
Royzman Vilen – Doctor of technical Sciences, Professor, head of Department of Telecommunications and Radio Engineering Khmelnytsky National University (Institutskaya 11, Khmelnitskiy, 280016, Ukraine, e-mail: iftomm@ukr.net).
Drach Ilona – Candidate of Technical sciences, associate Professor the Department of Software Engineering Khmelnytsky National University (Institutskaya 11, Khmelnitskiy, 280016, Ukraine, e-mail: cogitare410@gmail.com).
Tkachuk Vitalii – Candidate of Technical sciences, associate Professor the Department of Engineering Techniques, Khmelnitskiy National University (Institutskaya 11, Khmelnitskiy, 280016, Ukraine, e-mail: tkachukv.p@gmail.com).
Rotary mechanisms are used in many areas of modern industry, from mechanical engineering to computer and home appliances. Lots of machines obtain in the process of work a variable or random imbalance of the rotor according to time and location. To reduce the vibrations of such mechanisms, a method of randomly searching for a balanced state of the rotor is proposed, as an alternative to balancing.
The essence of the method of randomly directed search is that when the machine leaves the unbalance changing from start-up to start-up to the operating mode (for example, spinning in washing machines), the vibrations are controlled and when the level is exceeded, the machine is turned off and rinsed. The exit procedure is repeated until the optimal distribution of the masses (the layout of the laundry) and the vibrations are within the limits of the specification given by the technical conditions. In this case, the machine is "allowed" to carry out the technological operation, that is, to work at the working spin speeds. The article covers all stages of the development of the method and the results of experimental studies. It is established that the application of the method of randomly directed search for a balanced state of the rotor with variable imbalance makes it possible to reduce effectively the vibrations of both rigid and elastically deformed rotors and is an energy-saving technology.
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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.
