{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T15:36:23Z","timestamp":1772206583866,"version":"3.50.1"},"reference-count":37,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2023,2,15]],"date-time":"2023-02-15T00:00:00Z","timestamp":1676419200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Warsaw University of Life Sciences (SGGW)"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In European industry, such as metallurgical, mining and processing, construction, food, and chemical, vibration exciters are used, which indicates their wide and, in some cases, unique technological capabilities. The most common are electromagnetic and unbalanced vibration exciters. The advantages of electromagnetic vibration exciters include the ability to control the amplitude of the vibration by changing the electrical power supplied; the disadvantages are high material consumption. However, unbalanced vibration exciters have low energy efficiency, which is associated with difficult start-up conditions and with an overestimated mechanical power of the vibration exciter in relation to the power required by the technology itself, which is due to the need to minimize the effect of the technological load on the operating mode of the vibrating unit. Adjusting the amplitude of the disturbing force of unbalanced vibration exciters, regardless of the vibration frequency, will make it possible to reduce the installed power of the unit by passing the resonant frequency with a minimum disturbing force and compensating for the effect of the process load by means of a closed-loop electric drive. In the course of the study, an analytical description of the interaction of the rotating unbalances located on a common movable platform was obtained. On the basis of these analytical dependencies, a mathematical model was developed that takes into account the dynamic characteristics of a frequency-controlled asynchronous electric drive of a closed-loop control system for the mutual arrangement of rotating unbalances. The simulation results confirmed the possibility of using the specified electric drive to control the oscillation amplitude directly in the process of operation of a four-unbalanced vibration exciter. A physical experiment was carried out to determine the transient processes of changing the angular velocity of an induction motor with an abrupt change in the frequency converter setting. On the basis of this experiment, the previously created mathematical model was refined in terms of describing the dynamic parameters of the electric drive. The proposed structure of the control system, the performance of which has been confirmed by mathematical modeling, makes it possible to implement an adjustable four-unbalanced vibration exciter using single commercially available asynchronous vibrators.<\/jats:p>","DOI":"10.3390\/s23042170","type":"journal-article","created":{"date-parts":[[2023,2,15]],"date-time":"2023-02-15T02:01:10Z","timestamp":1676426470000},"page":"2170","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Adjustable Vibration Exciter Based on Unbalanced Motors"],"prefix":"10.3390","volume":"23","author":[{"given":"Volodymyr","family":"Osadchyy","sequence":"first","affiliation":[{"name":"Department of Electric Drive and Automation of Industrial Equipment, Zaporizhzhia Polytechnic National University, Zhukovsky, 64, 69-063 Zaporizhzhia, Ukraine"}]},{"given":"Olena","family":"Nazarova","sequence":"additional","affiliation":[{"name":"Department of Electric Drive and Automation of Industrial Equipment, Zaporizhzhia Polytechnic National University, Zhukovsky, 64, 69-063 Zaporizhzhia, Ukraine"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9086-3672","authenticated-orcid":false,"given":"Taras","family":"Hutsol","sequence":"additional","affiliation":[{"name":"Department of Mechanics and Agroecosystems Engineering, Polissia National University, 10-008 Zhytomyr, Ukraine"},{"name":"Department of Machine Use in Agriculture, Dmytro Motornyi Tavria State Agrotechnological University, 18, 72-000 Zaporizhzhia, Ukraine"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0373-6633","authenticated-orcid":false,"given":"Szymon","family":"Glowacki","sequence":"additional","affiliation":[{"name":"Department of Fundamentals of Engineering and Power Engineering, Institute of Mechanical Engineering, Warsaw University of Life Sciences (SGGW), 02-787 Warsaw, Poland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6212-6958","authenticated-orcid":false,"given":"Krzysztof","family":"Mudryk","sequence":"additional","affiliation":[{"name":"Faculty of Production and Power Engineering, University of Agriculture in Krakow, 30-149 Krakow, Poland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9429-676X","authenticated-orcid":false,"given":"Andrzej","family":"Bry\u015b","sequence":"additional","affiliation":[{"name":"Department of Fundamentals of Engineering and Power Engineering, Institute of Mechanical Engineering, Warsaw University of Life Sciences (SGGW), 02-787 Warsaw, Poland"}]},{"given":"Anatolii","family":"Rud","sequence":"additional","affiliation":[{"name":"Faculty of Engineering and Technology, Higher Educational Institution \u201cPodillia State University\u201d, 32-300 Kamianets-Podilskyi, Ukraine"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0805-9181","authenticated-orcid":false,"given":"Weronika","family":"Tulej","sequence":"additional","affiliation":[{"name":"Department of Fundamentals of Engineering and Power Engineering, Institute of Mechanical Engineering, Warsaw University of Life Sciences (SGGW), 02-787 Warsaw, Poland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3459-3863","authenticated-orcid":false,"given":"Mariusz","family":"Sojak","sequence":"additional","affiliation":[{"name":"Department of Fundamentals of Engineering and Power Engineering, Institute of Mechanical Engineering, Warsaw University of Life Sciences (SGGW), 02-787 Warsaw, Poland"}]}],"member":"1968","published-online":{"date-parts":[[2023,2,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"453","DOI":"10.1109\/TIE.2006.888798","article-title":"Power converter control circuits for two-mass vibratory conveying system with electromagnetic drive: Simulations and experimental results","volume":"54","author":"Despotovic","year":"2007","journal-title":"IEEE Trans. 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