dynamic chaos
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Author(s):  
Ruslan Raupov ◽  
Vadim Afanas'ev

The paper investigates the features of modeling confidential information transmission systems based on the effects of dynamic chaos in multi-scroll systems. Recommendations for the choice of parameters of a multi-scroll system used in information transmission based on pseudo-random signals of a discrete-nonlinear system according to the Jerk circuit are obtained.


2021 ◽  
Author(s):  
Rafael' M. Yusupov ◽  
Aleksandr A. Musaev ◽  
Dmitrij A. Grigoriev

2021 ◽  
Vol 14 (2) ◽  
pp. 73-79
Author(s):  
Vladimir Shashikhin ◽  
Ludmila Potapova ◽  
Svetlana Budnic

A method for controlling dynamic chaos is proposed by introducing state feedback and changing the spectrum of Lyapunov characteristic parameters of a closed system to achieve the desired result - the transition from chaotic mode to regular motion. The solution of this problem is considered on the example of stabilization of a mechanical tachometer. The parameters of the controller in the feed-back circuit are determined by the method of modal con-trol synthesis.


2021 ◽  
Vol 31 (6) ◽  
pp. 063135
Author(s):  
A. S. Dmitriev ◽  
E. V. Efremova ◽  
A. I. Ryzhov ◽  
M. M. Petrosyan ◽  
V. V. Itskov
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2021 ◽  
Vol 55 (3) ◽  
pp. 213-221
Author(s):  
S. V. Budnik ◽  
V. N. Shashihin

2021 ◽  
Author(s):  
Tetyana Frolova ◽  
Vyacheslav Buts ◽  
Gennadiy Churyumov ◽  
Eugene Odarenko ◽  
Vladimir Gerasimov

In this chapter, the results of theoretical and experimental studies of the interaction of an electromagnetic field with a plasma (fundamental interaction of the wave-particle type) both in the regime of standing waves (in the case of a resonator) and in the case of traveling waves in a waveguide are presented. The results of computer modeling the distribution of a regular electromagnetic field for various designs of electrodynamic structures are considered. The most attractive designs of electrodynamic structures for practical application are determined. A brief review and analysis of some mechanisms of stochastic plasma heating are given as well as the conditions for the formation of dynamic chaos in such structures are determined. Comparison analysis of microwave plasma heating in a regular electromagnetic field (in a regime with dynamical chaos) with plasma heating by random fields is considered. It is shown, that stochastic heating of plasma is much more efficient in comparison with other mechanisms of plasma heating (including fundamental interaction of the wave-wave type). The results obtained in this work can be used to increase the efficiency of plasma heating as well as to develop promising new sources of electromagnetic radiation in the microwave and optical ranges.


2021 ◽  
Vol 258 ◽  
pp. 01012
Author(s):  
Anna Voronova ◽  
Elena Zhilenkova ◽  
Anton Zhilenkov ◽  
Vladislav Borisenko

The article discusses the problem of verification and validation of engineering software when solving problems of nonlinear dynamics. The problems of validation and verification are shown on the example of dynamic chaos systems. The results of testing systems are presented. It is shown that in general when solving problems of nonlinear dynamics the characteristics of the developed engineering software are of critical importance. It is also indicated that neglecting this fact leads to irreversible negative consequences, ultimately resulting in the decay of the dynamics of a nonlinear system as well as in the decay of its orbits. The influence of the hardware and a number of aspects of the system and software implementation of the verification and validation systems under study is also shown. The article demonstrates modern approaches to the development of the studied software systems. It is shown that a high-quality software product suggests division into subsystems and stages.


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