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Type of publication: research article
Type of publication (PDB): Straipsnis kituose recenzuojamuose leidiniuose / Article in other peer-reviewed editions (S5)
Field of Science: Informatikos inžinerija / Informatics engineering (T007)
Author(s): Ragulskis, Kazimieras;Spruogis, Bronislovas;Bogdevičius, M;Matuliauskas, Alvydas;Mištinas, Vygantas;Ragulskis, Liutauras
Title: Qualities of a vibrator, the elastic element of which has different coefficients of stiffness in the two intervals of displacements, in a separate case
Is part of: Journal of mechanical engineering, automation and control systems. Kazakhstan : Almaty University of Power Engineering and Telecommunications, 2020, Vol. 1, iss. 1
Extent: p. 37-45
Date: 2020
Keywords: Mechaniniai virpesių generatoriai;Konservatyvi sistema;Harmoninis sužadinimas;Netiesinės savybės;Mechanical generators of vibrations;Harmonic excitation;Conservative system;Nonlinear qualities
Abstract: Generators of mechanical vibrations with nonlinear stiffness of the elastic element in the conservative case are investigated. It is shown that the vibrator of this type generates several harmonic components and that the number of those multiple harmonics can be controlled. One period of motion is investigated. The presented analytical relationships and numerically obtained graphical relationships reveal the qualities of the system and enable to choose the desirable parameters of motions. The performed investigation of this system showed that eigenvibrations take place with linear spectrums when the system in separate intervals consists from two linear parts. This takes place in the case when the border of difference of coefficients of stiffness is located in the position of equilibrium of the system. In both intervals vibrations by separate partial frequencies take place and general motion depends on the eigenfrequency of the whole system. Of course the latter frequency depends on both partial frequencies. General motion of the whole system takes place according to the infinite linear spectrum of eigenfrequencies. All this enables to create enhanced vibrators by using those qualities and to use them in technologies
Affiliation(s): Kauno technologijos universitetas
Sistemų analizės katedra
Vilniaus Gedimino Technikos Universitetas
Vytauto Didžiojo universitetas
Appears in Collections:1. Straipsniai / Articles
Universiteto mokslo publikacijos / University Research Publications

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