Search Results - "Druzhina, Olga"

Magnetic Flux Sensor Based on Spiking Neurons with Josephson Junctions by Karimov, Timur, Ostrovskii, Valerii, Rybin, Vyacheslav, Druzhina, Olga, Kolev, Georgii, Butusov, Denis

“…Josephson junctions (JJs) are superconductor-based devices used to build highly sensitive magnetic flux sensors called superconducting quantum interference…”
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Chaotic Oscillators as Inductive Sensors: Theory and Practice by Karimov, Timur, Nepomuceno, Erivelton Geraldo, Druzhina, Olga, Karimov, Artur, Butusov, Denis

“…Engineering solutions based on dynamical chaos may improve the characteristics of various sensors such as metal detectors, salinometers, optical and magnetic…”
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Single-coil metal detector based on spiking chaotic oscillator by Karimov, Timur, Druzhina, Olga, Karimov, Artur, Tutueva, Aleksandra, Ostrovskii, Valerii, Rybin, Vyacheslav, Butusov, Denis

“…A remarkable feature of chaotic systems is high sensitivity, which makes them applicable to the construction of sensing devices. Various sensors can be…”
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Sensitivity Optimization and Experimental Study of the Long-Range Metal Detector Based on Chaotic Duffing Oscillator by Karimov, Timur, Druzhina, Olga, Vatnik, Valerii, Ivanova, Ekaterina, Kulagin, Maksim, Ponomareva, Veronika, Voroshilova, Anzhelika, Rybin, Vyacheslav

“…Sensors based on chaotic oscillators have a simple design, combined with high sensitivity and energy efficiency. Among many developed schemes of such sensors,…”
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Adaptive Generalized Synchronization between Circuit and Computer Implementations of the Rössler System by Karimov, Artur, Tutueva, Aleksandra, Karimov, Timur, Druzhina, Olga, Butusov, Denis

“…The synchronization between chaotic systems implemented in similar ways—e.g., computer models or circuits—is a well-investigated topic. Nevertheless, in many…”
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Numerical Integration Schemes Based on Composition of Adjoint Multistep Methods by Pesterev, Dmitriy, Druzhina, Olga, Pchelintsev, Alexander, Nepomuceno, Erivelton, Butusov, Denis

“…A composition is a powerful tool for obtaining new numerical methods for solving differential equations. Composition ODE solvers are usually based on…”
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Time-Series Feature Extraction by Return Map Analysis and Its Application to Bearing-Fault Detection by Ponomareva, Veronika, Druzhina, Olga, Logunov, Oleg, Rudnitskaya, Anna, Bobrova, Yulia, Andreev, Valery, Karimov, Timur

“…Developing new features for time-series characterization is a current challenge in data science and machine learning. In this paper, we propose a new metric…”
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Comparing Reservoir Artificial and Spiking Neural Networks in Machine Fault Detection Tasks by Kholkin, Vladislav, Druzhina, Olga, Vatnik, Valerii, Kulagin, Maksim, Karimov, Timur, Butusov, Denis

“…For the last two decades, artificial neural networks (ANNs) of the third generation, also known as spiking neural networks (SNN), have remained a subject of…”
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Axial Movement Sensor Based on Chaotic Oscillator and Planar Coil by Karimov, Timur, Druzhina, Olga, Karimov, Artur, Butusov, Denis

“…Axial movement measurements are required in different technical tasks. At distances up to several centimeters, inductive sensors are widely used. However,…”
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Classification of Fault Signals by Chaotic Oscillators Synchronization by Druzhina, Olga S., Kholkin, Vladislav S., Isakov, Oleg A., Karimov, Timur I., Karimov, Artur I.

“…Among ways of technical systems monitoring, methods using sensors of mechanical vibrations are widely used. Such sensors make it possible to inspect vibrations…”
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Comparison of Bifurcation Diagrams for Numerical and Analog Chaotic Systems by Karimov, Timur I., Druzhina, Olga S., Karimov, Artur I., Kolev, Georgii Yu, Butusov, Denis N.

“…Researchers studying chaos theory often implement electrical circuits as analog solvers of chaotic equations. Analog circuits allow obtaining chaotic waveforms…”
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Bifurcation Spectral Diagrams: a Tool for Nonlinear Dynamics Investigation by Karimov, Timur I., Druzhina, Olga S., Andreev, Valery S., Tutueva, Aleksandra V., Kopets, Ekaterina E.

“…Bifurcation diagram is a commonly used tool to analyze the nonlinear dynamics. It represents the phase space properties of the system. However, the spectral…”
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The Study on Multiparametric Sensitivity of Chaotic Oscillators by Karimov, Timur I., Druzhina, Olga S., Ostrovskii, Valerii Y., Karimov, Artur I., Butusov, Denis N.

“…Chaotic oscillators are known for their multiparametric sensitivity meaning their different responses to different impacts. In this paper, we explore the…”
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Estimating the Autonomy Range of the Battery-Powered Small Unmanned Surface Vehicle by Rybin, Vyacheslav G., Kolev, Georgii Y., Karimov, Timur I., Ostrovskii, Valerii Y., Druzhina, Olga S., Sigaeva, Maria S.

“…Nowadays small unmanned surface vehicles (USV) can be assembled from low-cost components and provide cheap, easy-to-operate means for water cargo, bathymetry,…”
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Multiband and Wideband Chaotic Waveforms for Hydroacoustics by Karimov, Timur I., Druzhina, Olga S., Kolev, Georgii Y., Andreev, Valery S., Butusov, Denis N.

“…Signals currently used in sonars, namely, chirp signals, have several drawbacks in practical applications, such as strong attenuation over long distances and…”
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Memristor-Based Chaotic Circuits for Inductive Sensing by Timur Karimov, Olga Druzhina, Valerii Ostrovskii, Denis Butusov, Aleksandra Tutueva

“…In the current study, we investigate the possibility of constructing sensors based on chaotic circuits with memristors. The study involves different memristor…”
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Inductive Limit Switch Based on Chaotic Circuit with Double-Scroll Attractor by Druzhina, Olga, Isakov, Oleg, Karimov, Artur, Kolev, Georgii, Karimov, Timur

“…Sensors based on chaotic oscillators comprise a promising direction in the field of nonlinear dynamics. Hypothetically, such sensors have improved sensitivity,…”
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Sensitive Chaotic Circuits with Coupled Inductances by Karimov, Timur, Druzhina, Olga, Karimov, Artur, Tutueva, Aleksandra, Butusov, Denis

“…Sensors with coupled inductive coils are used in many applications: for metal detection, for linear and angular displacements measurements, for magnetometry,…”
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The Detection of Small Inductance Changes by Synchronized Chaotic Oscillators by Karimov, Timur, Butusov, Denis, Karimov, Artur, Druzhina, Olga, Khalyasmaa, Alexandra

“…There are different types of human-wearable sensors which work on the inductance measurement principle: inductive coil sensors for heart activity monitoring,…”
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Bursting Memristor Neuron Response to Capacitance Variation by Karimov, Timur, Ostrovskii, Valerii, Karimov, Artur, Druzhina, Olga, Eroshenko, Stanislav

“…Memristor-based neuromorphic computation is an evolving paradigm suitable for creating compact and energy-efficient devices. In this paper, we explore the…”
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