Non-linear Devices, Systems, Networks and Their Applications

A special issue of Applied System Innovation (ISSN 2571-5577).

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 13450

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School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China
Interests: nonlinear dynamics; time series analysis; information dynamics; digital signal processing
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Special Issue Information

Dear Colleagues,

Recent years have been characterized by resurged and increasing interest in the study of non-linear dynamics in engineered devices and systems. While traditionally treated as a hindrance to the synthesis of effective signal processing and control solutions, non-linear dynamics, including chaotic dynamics, deeply pervade nature, including physical, chemical and biological systems. They underpin self-organization and, in particular, the energy and volume-efficient solution of highly complex computational problems. Despite the relative paucity of analysis and synthesis tools in this area, the engineering community is increasingly looking at non-linear devices, systems and networks as elegant means of solving the challenges related, for example, to distributed computing and the internet-of-things. At the same time, the centrality of non-linear dynamics to all processes taking place in neural, and more generally physiological, systems has become unquestionable, with strong implications for the design of future biomedical and bio-inspired systems.

The aim of this Special Issue is to bring together rather diverse branches of engineering and related disciplines, collecting original research articles, as well as review articles, on the most recent developments and research efforts in this field, with the purpose of inspiring multidisciplinary and interdisciplinary research and providing guidelines for future theoretical and applied research. Potential topics of interest include, but are not limited to:

  • Design, simulation and construction of non-linear electronic, optical and mechanical systems;
  • Induction, control and modelling of emergent behaviors in networks of engineered non-linear systems;
  • Applications to telecommunications and networking;
  • Applications to process control, machine learning and robotics;
  • Applications to pattern generation, analysis and recovery;
  • Applications to analog computing and neuromorphic computing;
  • Applications to the analysis of complex signals, with particular emphasis on biosignals and brain-computer interfaces.

Assoc. Prof. Dr. Hab. Ludovico Minati
Guest Editor

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Published Papers (4 papers)

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Research

22 pages, 10747 KiB  
Article
Dynamical Networks Modelling Applied to Low Voltage Lines with Nonlinear Filters
by Mauro Fazion Filho
Appl. Syst. Innov. 2020, 3(2), 18; https://doi.org/10.3390/asi3020018 - 30 Mar 2020
Cited by 2 | Viewed by 2693
Abstract
The nonlinear dynamical behaviour of a network that is submitted to disturbances is the starting point of this work, where we consider a low voltage line (the network) with nonlinear varistor filters responding, dynamically, to those disturbances. Network models consider static measurements, and [...] Read more.
The nonlinear dynamical behaviour of a network that is submitted to disturbances is the starting point of this work, where we consider a low voltage line (the network) with nonlinear varistor filters responding, dynamically, to those disturbances. Network models consider static measurements, and here we develop an iterative model to deal with dynamical measurements. We begin with the one-dimensional communication line model using reflected and incident signals, which are dependent on the node parameters, proceeding a time-step computation. Each node is a space representation that consolidates parameters for a specific vertex and its edges. Nonlinear functions are applied within the node and will contribute to the general process running on the structure. The idea of a structure and its related processes leads to a new concept of sustainability and system robustness. This concludes the work, along with several experimental and simulation results, with direct advantages to electromagnetic interference control and mitigation. Full article
(This article belongs to the Special Issue Non-linear Devices, Systems, Networks and Their Applications)
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13 pages, 761 KiB  
Article
Productivity Equation and the m Distributions of Information Processing in Workflows
by Charles Roberto Telles
Appl. Syst. Innov. 2019, 2(3), 24; https://doi.org/10.3390/asi2030024 - 23 Jul 2019
Cited by 3 | Viewed by 3340
Abstract
This research proposes and investigates an equation for productivity in hybrid workflows regarding its robustness towards the definition of workflows as a hybrid probabilistic systems. The proposed equation and its derivations were formulated through a theoretical framework about information theory, probabilities and complex [...] Read more.
This research proposes and investigates an equation for productivity in hybrid workflows regarding its robustness towards the definition of workflows as a hybrid probabilistic systems. The proposed equation and its derivations were formulated through a theoretical framework about information theory, probabilities and complex adaptive systems. By defining a productivity equation for organism-machine-environment interactions, discrete and continuous variables that constitute the systems can be controlled by a mathematical framework where prediction and monitoring aspects of optimization are possible without the limitation of strict empirical methods. Full article
(This article belongs to the Special Issue Non-linear Devices, Systems, Networks and Their Applications)
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17 pages, 301 KiB  
Article
Existence of Fractional Impulsive Functional Integro-Differential Equations in Banach Spaces
by Dimplekumar Chalishajar, Chokkalingam Ravichandran, Shanmugam Dhanalakshmi and Rangasamy Murugesu
Appl. Syst. Innov. 2019, 2(2), 18; https://doi.org/10.3390/asi2020018 - 14 Jun 2019
Cited by 13 | Viewed by 3277
Abstract
In this paper, we establish the existence of piece wise (PC)-mild solutions (defined in Section 2) for non local fractional impulsive functional integro-differential equations with finite delay. The proofs are obtained using techniques of fixed point theorems, semi-group theory and generalized Bellman inequality. [...] Read more.
In this paper, we establish the existence of piece wise (PC)-mild solutions (defined in Section 2) for non local fractional impulsive functional integro-differential equations with finite delay. The proofs are obtained using techniques of fixed point theorems, semi-group theory and generalized Bellman inequality. In this paper, we used the distributed characteristic operators to define a mild solution of the system. We also discussed the controversy related to the solution operator for the fractional order system using weak and strong Caputo derivatives. Examples are given to illustrate the theory. Full article
(This article belongs to the Special Issue Non-linear Devices, Systems, Networks and Their Applications)
13 pages, 4960 KiB  
Article
Chaos Synchronization in Visible Light Communications with Variable Delays Induced by Multipath Fading
by Pep Canyelles-Pericas, Paul Anthony Haigh, Zabih Ghassemlooy, Andrew Burton, Xuewu Dai, Tran The Son, Hoa Le-Minh, Richard Binns and Krishna Busawon
Appl. Syst. Innov. 2018, 1(4), 45; https://doi.org/10.3390/asi1040045 - 09 Nov 2018
Cited by 5 | Viewed by 3271
Abstract
Visible Light Communication (VLC) uses light-emitting diodes to provide wireless connectivity in public environments. Transmission security in this emerging channel is not trivial. Chaotic modulation techniques can provide encryption directly in the physical layer based on the random-alike evolution and strong synchronization prospect [...] Read more.
Visible Light Communication (VLC) uses light-emitting diodes to provide wireless connectivity in public environments. Transmission security in this emerging channel is not trivial. Chaotic modulation techniques can provide encryption directly in the physical layer based on the random-alike evolution and strong synchronization prospect given by deterministic chaos. In secure chaotic inclusion or embedding methods, continuous-time chaos oscillator models need to be synchronized via a coupling carrier. Here we present a first numerical simulation study for the impact of the variable delays induced by line-of-sight and non-line-of-sight multipath fading in complete chaotic synchronization. More precisely, we analyze a chaotic Colpitts oscillator that is simultaneously transmitting the carrier to several mobile receivers via nine spotlights. Such induced delays depend on both the receiver position and the carrier frequency, influencing the complete synchronization required in modulation via chaotic inclusion. Correlation values for several receiver positions and carrier frequencies are presented, examining the progressive emergence of the multipath effect and its impact on chaotic synchronization. We show that, for the chaotic oscillator and coupling applied in the defined room settings, complete chaotic synchronization can be achieved and that it is robust up to the tens of MHz region. Full article
(This article belongs to the Special Issue Non-linear Devices, Systems, Networks and Their Applications)
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