Electronic Systems with Dynamic Chaos: Design and Applications

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Systems & Control Engineering".

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 10223

Special Issue Editors


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Guest Editor
InformChaos Lab, Kotelnikov Institute of Radioengineering and Electronics of RAS, 125009 Moscow, Russia
Interests: nonlinear dynamics; dynamical chaos; microwave system design; wireless communication; signal processing; ultrawideband systems; indoor localization; chaos-based communications

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Guest Editor
InformChaos Lab, Kotelnikov Institute of Radioengineering and Electronics (IRE), Russian Academy of Sciences, 125009 Moscow, Russia
Interests: dynamic chaos and bifurcation phenomena; interaction of chaotic systems; information processes in the systems with complex dynamics; information technologies based on dynamic chaos and nonlinear phenomena; applications of dynamic chaos in information network and communication systems

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Guest Editor
School of Science & Technology, International Hellenic University, Thessaloniki, Nea a 570 01 Moudani, Greece
Interests: nonlinear circuits and systems; chaotic electronics; memristors; chaotic synchronization; mixed-signal circuit design; complexity theory
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Special Issue Information

Dear Colleagues,

Dynamic chaos is a widespread nonlinear phenomenon that has long been recognized as an important area of scientific research. Such properties of chaotic signals, such as a high sensitivity to initial conditions, a continuous power spectrum, wideband or ultrawideband oscillations, and a narrow autocorrelation function, make such systems unique and draw attention to the widespread application of these properties.

Immediately after the discovery of dynamic chaos, great interest was shown in its implementation and application in electronic circuits and the related technologies.

Notable milestones in the development of this area were the Special Issues of the Proceedings of IEEE in 1987 and 2002 devoted to various aspects of the design and application of chaotic systems in electronics and information technology.

Over the past decade, a significant amount of work has been carried out to introduce technologies using dynamic chaos in various high-tech areas: electronics, optoelectronics and lasers, information technology and telecommunications, control theory, cryptography, robotics, etc.

The purpose of this issue is to highlight the current progress in the development and investigation of electronic circuits and systems with chaotic dynamics in electronic and information engineering and discuss the current trends and challenges in the use of such systems in various application areas. Finally, this Special Issue welcomes both original papers and review articles concerning different aspects of nonlinear dynamics, the design and investigation of nonlinear electronic circuits and systems and their applications in the wide-ranging area of modern information technologies and engineering.

The topics of interest include but are not limited:

  • Nonlinear dynamics of electronic systems;
  • Design of analog and digital chaotic circuits;
  • Generation of chaotic signals;
  • Integrated chaos generators;
  • Memristor-based chaotic systems;
  • Synchronization of chaotic systems;
  • Chaotic communication systems;
  • Chaotic radiolocation;
  • Chaos theory in cryptography;
  • Chaos control techniques;
  • Nonlinear signal processing;
  • Nonlinear dynamics on networks;
  • Neuromorphic systems;
  • Chaotic circuits for the IoT;
  • Nonlinear circuits and systems with applications in AI.

Dr. Elena V. Efremova
Prof. Dr. Alexander S. Dmitriev
Dr. Stavros G. Stavrinides
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • Chaos
  • Nonlinear dynamics
  • Chaotic communications
  • Chaos control
  • Chaotic system design
  • Chaotic cryptography
  • Analog chaotic circuits
  • Digital chaotic circuits
  • Applications of chaotic systems ...

Published Papers (6 papers)

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Research

18 pages, 3190 KiB  
Article
Statistical Characteristics of Differential Communication Scheme Based on Chaotic Radio Pulses
by Alexander Dmitriev, Anton Ryzhov and Christian Sierra-Teran
Electronics 2023, 12(6), 1495; https://doi.org/10.3390/electronics12061495 - 22 Mar 2023
Cited by 1 | Viewed by 1102
Abstract
The aim of this paper is to analyze statistical characteristics of the new differential communication scheme based on chaotic radio pulses in the presence of additive white noise (Gaussian) and using various distributions of instantaneous values of the chaotic signal. The characteristic feature [...] Read more.
The aim of this paper is to analyze statistical characteristics of the new differential communication scheme based on chaotic radio pulses in the presence of additive white noise (Gaussian) and using various distributions of instantaneous values of the chaotic signal. The characteristic feature of the presented scheme is the usage of significantly shorter time delays compared to the classical differential chaotic shift keying (DCSK) scheme. In order to investigate noise immunity of the direct chaotic differential communication (DC2) scheme, numerical statistical simulation is performed in terms of the bit error probability (BER) of the transmitted information. Then, the results of this simulation are compared to the results of analytical research. It is shown that due to the inherent internal noises of the scheme, the bit error probability (BER) for arbitrarily large values of the ratio of the signal energy to the Gaussian noise spectral density (Eb/N0) is higher than 10−3 for the values of processing gain K < 30 for any distribution of instantaneous values of the chaotic signal. With the increase of the K values, there is a rapid decrease in BER in a system with a channel without white noise. Numeric simulation is performed, which verifies and clarifies the analytical estimates obtained earlier regarding the bit error probabilities as functions of processing gain and ratio of the signal energy to the Gaussian noise spectral density. The minimum values of Eb/N0 are obtained, which provide necessary error probabilities with the processing gain set. It is shown that with a high processing gain (K > 30), the communication scheme considered here operates effectively both in a channel without fluctuation noises and in a channel with additive white Gaussian noise. The statistical characteristics of the proposed scheme do not depend on the choice of a particular distribution of instantaneous values of the chaotic signal. Taking into account that the scheme uses short delays, which do not depend on the processing gain of the used signal and are easily implemented, for example, on fragments of a high-frequency cable, the results obtained show good prospects for its implementation in a physical experiment. Full article
(This article belongs to the Special Issue Electronic Systems with Dynamic Chaos: Design and Applications)
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16 pages, 2184 KiB  
Article
Filtering and Detection of Ultra-Wideband Chaotic Radio Pulses with a Matched Frequency-Selective Circuit
by Lev V. Kuzmin and Elena V. Efremova
Electronics 2023, 12(6), 1324; https://doi.org/10.3390/electronics12061324 - 10 Mar 2023
Cited by 3 | Viewed by 1102
Abstract
An approach is proposed to the filtering of an additive mixture of ultra-wideband chaotic signals and white Gaussian noise, in order to retrieve the useful signal in the receiver. The role of the filter is performed by a passive frequency-selective circuit, identical to [...] Read more.
An approach is proposed to the filtering of an additive mixture of ultra-wideband chaotic signals and white Gaussian noise, in order to retrieve the useful signal in the receiver. The role of the filter is performed by a passive frequency-selective circuit, identical to the one involved in the formation of oscillations in the chaos generator. A mathematical model of a modulating chaos generator, detecting and receiving a sequence of ultra-wideband chaotic radio pulses in a noisy channel is designed. For the receiver of sequences of symbols encoded by chaotic radio pulses with 2- and 4-position modulation, the bit error ratio as a function of the noise level and the pulse duration is estimated numerically. Full article
(This article belongs to the Special Issue Electronic Systems with Dynamic Chaos: Design and Applications)
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21 pages, 1957 KiB  
Article
Software-Defined Radio Implementation and Performance Evaluation of Frequency-Modulated Antipodal Chaos Shift Keying Communication System
by Arturs Aboltins and Nikolajs Tihomorskis
Electronics 2023, 12(5), 1240; https://doi.org/10.3390/electronics12051240 - 4 Mar 2023
Cited by 3 | Viewed by 3046
Abstract
This paper is devoted to software-defined radio (SDR) implementation of frequency modulated antipodal chaos shift keying (FM-ACSK) transceiver and presents results of prototype testing in real conditions. This novel and perspective class of spread-spectrum communication systems employs chaotic synchronization for the acquisition and [...] Read more.
This paper is devoted to software-defined radio (SDR) implementation of frequency modulated antipodal chaos shift keying (FM-ACSK) transceiver and presents results of prototype testing in real conditions. This novel and perspective class of spread-spectrum communication systems employs chaotic synchronization for the acquisition and tracking of the analog chaotic spreading code and does not need resource-demanding cross-correlation. The main motivation of the given work is to assess the performance of FM-ACSK in real conditions and demonstrate that chaotic synchronization can be considered an efficient spread-spectrum demodulation method. The work focuses on the real-time implementation aspects of the modulation-demodulation algorithms, forward error correction (FEC) and symbol timing synchronization approach in MATLAB Simulink. The performance of the presented prototype is assessed via extensive testing, which includes measurement of bit error ratio (BER) in single-user and multi-user scenarios, estimation of carrier frequency offset (CFO) impact and image transmission over-the-air between two independent sites and comparison with classical frequency hopping spread spectrum (FHSS). The paper shows that the presented class of the spread spectrum communication systems demonstrates good performance in low signal-to-noise ratio (SNR) conditions and in terms of BER significantly outperforms the classic spread-spectrum modulation schemes which employ correlation-based detection. Full article
(This article belongs to the Special Issue Electronic Systems with Dynamic Chaos: Design and Applications)
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13 pages, 583 KiB  
Article
Analytical Model of an Energy Detector for Ultra-Wideband Chaotic Communications
by Yuri Andreyev
Electronics 2023, 12(4), 954; https://doi.org/10.3390/electronics12040954 - 14 Feb 2023
Cited by 3 | Viewed by 1235
Abstract
For the ultra-wideband chaotic radio pulses an analytical model of an energy detector is designed and closed-form expressions for the optimal threshold and the detection probabilities are derived. The analytical solution is compared with the results of the numerical simulation. The model proves [...] Read more.
For the ultra-wideband chaotic radio pulses an analytical model of an energy detector is designed and closed-form expressions for the optimal threshold and the detection probabilities are derived. The analytical solution is compared with the results of the numerical simulation. The model proves to be well-suited for the chaotic radio pulses with large base B (or processing gain, or the number of freedom degrees), namely, B ≥ 100. Potential applications areas of the proposed model are ultra-wideband communications with chaotic pulse carriers, e.g., ultra-wideband systems of 802.15.x standards, and multi-element chaotic communication systems. Full article
(This article belongs to the Special Issue Electronic Systems with Dynamic Chaos: Design and Applications)
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17 pages, 10732 KiB  
Article
Performance Analysis of Vilnius Chaos Oscillator-Based Digital Data Transmission Systems for IoT
by Ruslans Babajans, Darja Cirjulina, Filips Capligins, Deniss Kolosovs, Juris Grizans and Anna Litvinenko
Electronics 2023, 12(3), 709; https://doi.org/10.3390/electronics12030709 - 31 Jan 2023
Cited by 6 | Viewed by 1447
Abstract
The current work is devoted to chaos oscillator employment in digital communication systems for IoT applications. The paper presents a comparative performance analysis of two different chaos data transmission systems: frequency-modulated chaos shift keying (FM-CSK) and quadrature chaos phase-shift keying (QCPSK), and a [...] Read more.
The current work is devoted to chaos oscillator employment in digital communication systems for IoT applications. The paper presents a comparative performance analysis of two different chaos data transmission systems: frequency-modulated chaos shift keying (FM-CSK) and quadrature chaos phase-shift keying (QCPSK), and a comparison to their non-chaotic counterparts: frequency-shift keying (FSK) and quadrature amplitude modulation (QAM). For both chaotic communication systems, the Vilnius oscillator and substitution method of chaotic synchronization are chosen due to simple circuitry implementation and low power consumption properties. The performance of the systems in the fading channel with additive white Gaussian noise (AWGN) is evaluated. Also, the systems’ performance in the case phase noise is investigated, and the benefits of chaotic waveforms employment for data transmission are demonstrated. Full article
(This article belongs to the Special Issue Electronic Systems with Dynamic Chaos: Design and Applications)
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15 pages, 22788 KiB  
Article
Load Power Oriented Large-Signal Stability Analysis of Dual-Stage Cascaded dc Systems Based on Lyapunov-Type Mixed Potential Theory
by Zhe Chen, Xi Chen, Feng Zheng, Hui Ma and Binxin Zhu
Electronics 2022, 11(24), 4181; https://doi.org/10.3390/electronics11244181 - 14 Dec 2022
Cited by 1 | Viewed by 1099
Abstract
Dual-stage cascaded dc systems are some of the most widely applied power interfaces in dc distributed power systems. However, in some practical situations, these systems might be unstable, especially if they incorporate tightly regulated load converters that operate as constant power loads (CPLs), [...] Read more.
Dual-stage cascaded dc systems are some of the most widely applied power interfaces in dc distributed power systems. However, in some practical situations, these systems might be unstable, especially if they incorporate tightly regulated load converters that operate as constant power loads (CPLs), whose power fluctuations could exert a cascading impact on the operation of the systems. Existing studies tend to describe the instability phenomena using bifurcation diagram analysis and the loci of eigenvalue analysis. However, it is usually difficult to derive the explicit expressions of the stability criterion. This paper addresses the large-signal stability issue of the dual-stage cascaded dc systems from a standpoint of load power and obtains the explicit form large-signal stability boundary in terms of load power by using Lyapunov-type mixed potential theory. Moreover, the prototype dual-stage cascaded dc system, in which the control strategies for the feeder converter and the load converter are different, is used as an example in this study. According to the results, the system remains stable when the load power is in [5.8, 23.2] W. When load power is less than 5.8 W or increased to [23.2, 32.8] W, the system is in a period-2 subharmonic oscillation state. Moreover, when the load power exceeds 32.8 W, the system falls into a chaotic state. The deduced boundary is highly consistent with the analysis results of both a bifurcation diagram and Jacobian matrix based analysis. Finally, both circuit-level simulation and experimental results validate the effectiveness of the load power stability boundary. Full article
(This article belongs to the Special Issue Electronic Systems with Dynamic Chaos: Design and Applications)
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