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Information × Registration Number 0223U002805, 0120U101457 , R & D reports Title Development of calculation methods for rotor systems with elastic adaptive elements of quasi-zero stiffness popup.stage_title Head Klitnoy Volodymyr Viktorovich, Registration Date 09-03-2023 Organization National Technical University "Kharkiv Polytechnic Institute" popup.description2  The object of study is stationary and non-stationary vibrations in rotary systems, which are installed on elastic supports with adaptive elements of quasi-zero stiffness. The purpose of the work is to reduce the vibration activity of rotor systems on rolling and sliding bearings due to the use of elastic supports with controlled quasi-zero stiffness on the basis of adaptive piezoceramic elements. Research methods - methods of vibration theory that were used to build a mathematical model of the rotary system, methods of piezoelectric theory, through which mathematical models of adaptive elements were developed, methods of active control of vibrations, the introduction of which allowed to construct an effective scheme of active extinguishing vibrations, the method of finished elements which was used for finite-element modeling. The analysis of known structures of elastic supports and evaluation of the efficiency of their use for rotary systems on rolling and sliding bearings was made. Effective technical solution of elastic support is developed with adaptive pieces of quasi-zero stiffness for rotor systems on rolling and sliding bearings. Mathematical models that describe vibration systems with elastic adaptive piezoceramic elements of quasi-zero stiffness are offered. It is substantiated by theoretical and numerical way of applying the developed elastic support with controlled quasi -tightness on the basis of adaptive piezoceramic elements for rotary systems on rolling and sliding bearings. Product Description popup.authors Borodin Dmytro Y. Naumov Oleksandr I. popup.nrat_date 2023-03-09 Close