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Capacitorless model of a VO2 oscillator
We implement a capacitorless model of a VO2 oscillator by introducing into the circuit of a field-effect transistor and a VO2 thermal sensor, which provide negative current feedback with a time delay. We compare the dynamics of current and voltage Read More …
Switch Elements with S-Shaped Current-Voltage Characteristic in Models of Neural Oscillators
by Petr Boriskov and Andrei Velichko Electronics2019, 8(9), 922; https://doi.org/10.3390/electronics8090922 – 22 Aug 2019 The circuits, presented in the article, are implemented in the MathCAD and LTSpice software packages, and source files are available in Supplementary Materials.
A Method for Evaluating Chimeric Synchronization of Coupled Oscillators and Its Application for Creating a Neural Network Information Converter
This paper presents a new method for evaluating the synchronization of quasi-periodic oscillations of two oscillators, termed “chimeric synchronization”. The family of metrics is proposed to create a neural network information converter based on a network of pulsed oscillators. In Read More …
Description of the research activities performed and results obtained in the reporting year (2018) for publication on the RSF website
In 2018, we conducted theoretical and experimental research activities on the methods development for oscillatory neural networks’ operations (networks training), for such applications as pattern storing and pattern recognition, information coding. The synchronization effects in coupled oscillators’ arrays were investigated Read More …
Russian physicists have trained the oscillator neural network to recognize patterns
Electronics 2019, 8(1), 75; https://doi.org/10.3390/electronics8010075 Abstract The current study uses a novel method of multilevel neurons and high order synchronization effects described by a family of special metrics, for pattern recognition in an oscillatory neural network (ONN). The output oscillator (neuron) of Read More …
An Investigation of the Effect of the Thermal Coupling Time Delay on the Synchronization of VO2-Oscillators
The effect of the time delay of thermal coupling on the synchronization of two VO2-oscillators has been studied for the first time. A modification of the methods for determining high order synchronization parameters has been proposed. The dependence of these Read More …
Method of pattern storage and recognition in VO2-based oscillatory neural networks
Please follow the link and read the full text of the article published in the journal Electronics. Development of neuromorphic systems based on new nanoelectronics materials and devices is of immediate interest for solving the problems of cognitive technology and Read More …
Thermal coupling of neurons in artificial neural networks
The advantage of the thermal mode of interaction of oscillators for 3D integration of VO2 switches is that thermal waves propagate radially from the switch in all directions over the substrate, and therefore allow thermally coupling oscillators located on different Read More …
Description of works performed in 2017 on the project of the RSF 16-19-00135
In the course of research during 2017 we have studied theoretically and experimentally new synchronization effects of oscillators including memristors and specific features of electrical switching for planar and sandwich switches at scaling. We have proposed a type of thermal Read More …