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Search results for: SENSOR NETWORK PROTOCOLS
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Artificial neural network based sensorless control ofinduction motor.
PublicationW artykule przedstawiono bezczujnikowy układ sterowania silnikiem indukcyjnym wykorzystujący sztuczne sieci neuronowe (ANN). Sieć neuronową wykorzystano w regulatorze prędkości silnika. Zaprezentowano wyniki badań symulacyjnych.
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Raman system for monitoring of dye doping to hybrid polymer network
PublicationZrealizowano i przedstawiono system ramanowski do zdalnego monitorowania procesu zol-żel, dedykowany do monitorowania procedury wprowadznia cząstek barwnika do sieci polimeru hybrydowego. System umożliwia wykonywanie pomiarów zdalnych, bez zakłócania i przerywania przebiegu procesu technologicznego. Zademonstrowano i skomentowano wyniki pomiarów dla przykładowego procesu.
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The practical implementation of security models and strategies in an academic network infrastuctures
PublicationArtykuł prezentuje modele i strategie bezpieczeństwa dotyczące infrastruktury sieciowej. Rozważone zostały typowe zagrożenia oraz mechanizmy bezpieczeństwa sieci komputerowej. Wymienione zostały także różnice w polityce bezpieczeństwa pomiędzy komputerową siecią komercyjną a akademicką. Opisano proces analizy ryzyka dla akademickiej sieci komputerowej oraz wskazany został sposób oszacowania wymaganego poziomu bezpieczeństwa sieci.
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The fuzzy neural network: application for trends in river pollution prediction
PublicationPraca przedstawia zastosowanie rozmytych sieci neuronowych do przygotowywania prognoz zmian w stężeniu zanieczyszczeń w rzekach. Opisane są pokrótce inne narzędzia stosowane w tym celu.
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Signals of the NB-IoT network generated by using the radiocommunication tester R&S CMW500
Open Research DataThe published dataset contains signals of the NB-IoT networks generated in the controlled conditions by using the Rohde&Schwarz CMW500 radiocommunication tester and recorded by USRP-X310 device. A test signals of the NB-IoT networks operating in the in-band, standalone and guard-band modes were captured.
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Super tough interpenetrating polymeric network of styrene butadiene rubber‐poly (methyl methacrylate) incorporated with general purpose carbon black ( N660 )
PublicationA classic set of polymeric interpenetrating polymeric network (IPN) microcomposites has been fabricated using an elastomer—styrene butadiene rubber [SBR], a thermoplastic poly(methyl methacrylate)-PMMA and with carbon black (CB)-N660 as a filler and reinforcing agent. This synthesized IPN composite can be promisingly employed as a toughened plastic and vibrational damper in a wide service range with excellent thermal stability,...
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The significance of institutions' potential to increase Youth civic participation – case study of the South Baltic Youth Core Groups Network Project
PublicationYoung people are a very important group of modern societies, they will replace the currently ruling generation and will shape our common future. Due to that, young people have become the relevant target of national and international policy and science researches. Youth civic participation is a key aspect of the development of a society and should be shaped by effective youth policy at the national and international levels. This...
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Nature Protocols
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Real-Time Basic Principles Nuclear Reactor Simulator Based on Client-Server Network Architecture with WebBrowser as User Interface
PublicationThe real-time simulator of nuclear reactor basic processes (neutron kinetics, heat generation and its exchange, poisoning and burn- ing up fuel) build in a network environment is presented in this paper. The client-server architecture was introduced, where the server is a pow- erful computing unit and the web browser application is a client for user interface purposes. The challenge was to develop an application running under the...
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Synthesis and photoelectrochemical behaviour of hydrogenated titania nanotubes modified with conducting polymer infiltrated by redox active network
PublicationIn this work, we show preparation of ordered inorganic-organic composite electrode material where hydrogenated titania nanotubes H-TiO2 with tubularly developed surface modified with poly(3,4-ethylenedioxythiophene) matrix permeated by Prussian Blue (PB) inorganic redox network in order to reach highly photoactive heterojunction. The polymer deposition was realized via two subsequent processes covering: i) potentiostatic polymerization...
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Protection in elastic optical networks
PublicationIn this article, we analyze gains resulting from the use of EON architectures with special focus on transportation of cloud-ready and content-oriented traffic in the context of network resilience. EONs are a promising approach for future optical transport networks and, apart from improving the network spectral efficiency, bring such new capabilities as squeezed protection, which reduces resource requirements in failure scenarios....
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Generalized regression neural network and fitness dependent optimization: Application to energy harvesting of centralized TEG systems
PublicationThe thermoelectric generator (TEG) system has attracted extensive attention because of its applications in centralized solar heat utilization and recoverable heat energy. The operating efficiency of the TEG system is highly affected by operating conditions. In a series-parallel structure, due to diverse temperature differences, the TEG modules show non-linear performance. Due to the non-uniform temperature distribution (NUTD) condition,...
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Cost-Efficient Multi-Objective Design of Miniaturized Microwave Circuits Using Machine Learning and Artificial Neural Network
PublicationDesigning microwave components involves managing multiple objectives such as center frequencies, impedance matching, and size reduction for miniaturized structures. Traditional multi-objective optimization (MO) approaches heavily rely on computationally expensive population-based methods, especially when exe-cuted with full-wave electromagnetic (EM) analysis to guarantee reliability. This paper introduces a novel and cost-effective...
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Intracranial hemorrhage detection in 3D computed tomography images using a bi-directional long short-term memory network-based modified genetic algorithm
PublicationIntroduction: Intracranial hemorrhage detection in 3D Computed Tomography (CT) brain images has gained more attention in the research community. The major issue to deal with the 3D CT brain images is scarce and hard to obtain the labelled data with better recognition results. Methods: To overcome the aforementioned problem, a new model has been implemented in this research manuscript. After acquiring the images from the Radiological...
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The possibility of estimating the height of the ionospheric inhomogeneities based on TEC variations maps obtained from dense GPS network
PublicationA state of the ionosphere can be effectively studied using electromagnetic signals received from global navigation satellite systems (GNSS). Utilization of the dual frequency observations allows estimating values of the total electron content (TEC). They can be used for a number of scientific studies such as detection and monitoring of traveling ionospheric disturbances or plasma bubbles. Moreover, maps of TEC variations allow...
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Response of a New Low-Coherence Fabry-Perot Sensor to Hematocrit Levels in Human Blood
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Dynamic Re-Clustering Leach-Based (Dr-Leach) Protocol for Wireless Sensor Networks
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Geographic information system for remote integration of diverse under-water acoustic sensor data
PublicationMaritime and port areas throughout the world are exposed to many different hazards, like pollution, terrorism and natural disasters. Early detection, identification and preparation of appropriateesponse strategies is especially important in the case of semi-enclosed basins like the Baltic Sea, mainly due to the marine ecosystems' continuous absorption of pollutants including oil, heavy metals and chemicals. Many of those agents...
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<title>Hardware emulator of the high-resolution CCD sensor for the Pi of the Sky experiment</title>
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KMgF3:Eu2+ as a new fluorescence-based pressure sensor for diamond anvil cell experiments
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Bacterial strains colonizing the sensor electrodes of a continuous glucose monitoring system in children with diabetes
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Throughput vs. Resilience in Multi-hop Wireless Sensor Networks with Periodic Packet Traffic
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Comparison of sunshine duration measurements from Campbell-Stokes sunshine recorder and CSD1 sensor
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Implementation of SiN thin film in fiber-optic sensor working in telecommunication range of wavelengths
PublicationMirrors are used in optical sensors and measurement setups. This creates a demand for mirrors made of new materials and having various properties tailored to specific applications. In this work, we propose silicon covered with a thin silicon nitride layer as a mirror for near-infrared measurements. SiN layer was deposited on a standard silicon wafer with a Low-Pressure Chemical Vapor Deposition furnace. Then, the created layer...
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Iterative Global Sensitivity Analysis Algorithm with Neural Network Surrogate Modeling
PublicationGlobal sensitivity analysis (GSA) is a method to quantify the effect of the input parameters on outputs of physics-based systems. Performing GSA can be challenging due to the combined effect of the high computational cost of each individual physics-based model, a large number of input parameters, and the need to perform repetitive model evaluations. To reduce this cost, neural networks (NNs) are used to replace the expensive physics-based...
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Artificial-Neural-Network-Based Sensorless Nonlinear Control of Induction Motors
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Network relationship’s transformation as the effect of the development of trust in cooperation with a foreign partner
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Lithuania inland waterways links to Western Europe inland waterways network
PublicationLithuania Inland waterways now mainly are used for transportation and tourism within Lithuania tertitory. In the same time difficulties crossing Kaliningrad region and direct Lithuania inland Waterways Buks with Western Europe inland waterway system nowadays are impossible, depending on Russia inland Waterways regulation. New ideas and possibilities of linking Lithuania inland Waterways witki Western Europe inland waterways system...
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An application of the TCRBF neural network in multi-node fault diagnosis method
PublicationPrzedstawiono nową metodę samo-testowania części analogowej w systemach elektronicznych sterowanych mikrokontrolerami. Układ badany pobudzany jest przebiegiem sinusoidalnym przez generator zamontowany w systemie, a jego odpowiedź jest próbkowana w wybranych węzłach przez wewnętrzny przetwornik A/C mikrokontrolera. Detekcja i lokalizacja uszkodzenia jest dokontwana przez sieć neuronową typu TCRBF. Procedurę diagnostyczną zaimplementowano...
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Optimization of river network representation data models for web-based systems
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Diagnostic potential for a serum miRNA neural network for detection of ovarian cancer
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Agent-Based RBF Network Classifier with Feature Selection in a Kernel Space
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Metal heksacyanoferrate network synthesized inside polymer matrix for electrochemical capacitors
PublicationPrzedmiotem publikacji jest charakterystyka elektrochemiczna polimeru przewodzącego (poli(3,4-etylenodioksytiofenu)) modyfikowanego błękitem pruskim oraz jego pochodnymi, pochodną kobaltową oraz pochodną niklową. Materiały są stabilne elektrochemicznie, a uzyskane wartości pojemności elektrycznej pozwalają na wykorzystanie ich przy konstrukcji kondensatorów elektrochemicznych.
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Composite Bioelectrodes Based on Lipidic Cubic Phase with Carbon Nanotube Network
PublicationElektrody z węgla szklistego modyfikowane fazą kubiczną z siecią nanorurek zastosowano do enzymatycznej redukcji tlenu katalizowanej przez lakazę. Zastosowanie nanorurek obniżyło nadpotencjał redukcji tlenu o 0,5 V. W celu zwiększenia gęstości prądu redukcji tlenu zastosowano znany mediator przeniesienia elektronów - ABTS. Mediator adsorbowano na nanorurkach lub wiązano kowalencyjnie z końcami nanorurek. Kowalencyjne związanie...
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<title>Intranet and Internet metrological network with photonic sensors and transmission</title>
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High-resolution microscopy assisted mechanical modeling of ultrafine electrospun network
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Ultracapacitor modeling and control with discrete fractional order artificial neural network
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Generalization of the elastic network model for the study of large conformational changes in biomolecules
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Generalization of the Elastic Network Model for the Study of Large Conformational Changes in Proteins
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Using Probabilistic Availability Measures for Predicting Targeted Attacks on Network Nodes
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Network lifetime maximization in wireless mesh networks for machine-to-machine communication
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PSoC embedded systems and its potential applications in wireless sensors network
PublicationW artykule zostanie przedstawiona koncepcja bezprzewodowej sieci sensorowej z wykorzystaniem mikrokontrolerów PSoC firmy Cypress. Mikrokontrolery PSoC (ang. Programmable System on a Chip) to 8-bitowe uniwersalne układy programowalne znajdujące zastosowanie między innymi w przemyśle, elektronice medycznej, telekomunikacji i samochodowych systemach sterowania. Mikrokontrolery PSoC pozwalają użytkownikom wybierać rodzaj i liczbę peryferiów...
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Application of the Polish active GNSS geodetic network for surveying and design of the railroad
PublicationW pracy przedstawiono opis sieci ASG-EUPOS oraz architekturę zastosowanego zestawu pomiarowego GNSS. Opisano geodezyjne przygotowanie pomiarów toru kolejowego, które przeprowadzono na ok. 30-kilometrowym odcinku testowym. Ustawienie centrów fazowych anten względem osi toru testowego wyznaczono metodami geodezji tradycyjnej w oparciu o pomiary tachimetryczne. Na podstawie przeprowadzonych pomiarów ksztaltu geometrycznego toru podjęto...
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Comparison of the Ability of Neural Network Model and Humans to Detect a Cloned Voice
PublicationThe vulnerability of the speaker identity verification system to attacks using voice cloning was examined. The research project assumed creating a model for verifying the speaker’s identity based on voice biometrics and then testing its resistance to potential attacks using voice cloning. The Deep Speaker Neural Speaker Embedding System was trained, and the Real-Time Voice Cloning system was employed based on the SV2TTS, Tacotron,...
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Position and Orientation Estimation in Radio Network With Groups of Locally Synchronized Nodes
PublicationThis article presents a positioning system with groups of locally synchronized nodes. A mobile object is equipped with a group of several synchronized receivers that are able to measure the difference in the time of arrival of signals from reference transmitters. The reference transmitters are synchronized only in local groups, with no global synchronization between groups. It is assumed that the synchronous operation of transmitters...
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Cognitive neuroscience: Theta network oscillations coordinate development of episodic memory
PublicationOur ability to remember life events matures through childhood and adolescence. A new study has revealed how theta oscillations between two anatomical brain regions supporting memory and executive functions are synchronized and develop across age through functional and structural connectivity.
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TASK CLOUD INFRASTRUCTURE IN THE CENTRE OF INFORMATICS – TRICITY ACADEMIC SUPERCOMPUTER & NETWORK
PublicationThe cloud solution called the TASK cloud is described. Its main components and the way of their implementation are described. Examples of deployed environments based on the cloud are also presented. Moreover, the idea of combining the cloud and big data platforms is suggested and discussed.
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Artificial Neural Network-Based Sensorless Nonlinear Control Of Induction Motors
PublicationW niniejszym artykule przedstawiono strukturę sztucznej sieci neuronowej służącej do korygowania działania układu estymacji prędkości kątowej wirnika. Odtworzona prędkość kątowa wirnika zostały wykorzystane w bezczujnikowym układzie sterowania silnikiem indukcyjnym pracującym w zamkniętej pętli sprzężenia prędkościowego.Przedstawiono wyniki badań eksperymentalnych z silnikiem o mocy 1,1kW.
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The impact of road network structure and mobility on the national traffic fatality rate
PublicationW pracy określono wpływ wybranych miar struktury sieci drogowej i mobilności mieszkańców na wskaźnik śmiertelności w wypadkach drogowych na bazie dostępnych danych z wielu krajów świata. Opracowano wieloczynnikowe modele nieliniowe pozwalające na określenie wpływu wielu istotnych czynników: ekonomicznych, systemowych, motoryzacyjnych i infrastrukturalnych na bezpieczeństwo ruchu drogowego mierzonego wskaźnikiem śmiertelności RFR.
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Artificial neural network controller for underwater ship hull operation robot.
PublicationZaproponowano model matematyczny pojazdu podwodnego, który w uproszczonej wersji spełnia warunki dynamiki odpowiadające głowicy roboczej podwodnego robota. Uwzględniono niektóre czynniki oddziałujące na ruch podwodnej głowicy roboczej, jak np. gęstość wody oraz siły odśrodkowe i wypornościowe. Przedstawiono układ sterowania, w którym zastosowano regulator oparty na bazie sieci neuronowych, za pomocą którego można sterować...