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Aproximadamente 544 registro(s) hasta el momento: (journal)

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Recurso libre

A Combined TOPSIS and FA Based Strategic Analysis of Technical Condition of High Power Transformers
Bartlomeijczyk, Mikolaj - Gutten, Miroslav - Hamacek, Stefan

Formato:	,
Enlaces:	The paper presents mathematical model - TOPSIS method, which was utilized on insulating state of distribution transformer to analyze and sensibility of individual measurements methods mutual comparison. We can uniquely determine the importance of these measurements methods with this mathematical…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

A Single MO-CFTA Based Electronically/Temperature Insensitive Current-mode Half-wave and Full-wave Rectifiers
Kongnun, Weerapon - Silapan, Phamorn

Formato:	,
Enlaces:	The article presents a current-mode full-wave rectifier employing multiple output current follower transconductance amplifier (MO-CFTA). The both circuits description is very simple, it merely comprises only single MO-CFTA, without external passive element. In addition, the magnitude and direction of output…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

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Fabrication and Properties of Er-Doped Nanocrystalline Phase-Seperated Optical Fibers
Dhar, Anirban; Institute of Photonics & Electronics, ASCR v.v.i, - Kasik, Ivan; Institute of Photonics & Electronics, ASCR v.v.i, - Podrazky, Ondrej; Institute of Photonics & Electronics, ASCR v.v.i, - Matejec, Vlastimil; Institute of Photonics & Electronics, ASCR v.v.i,

Formato:	,
Enlaces:	The fabrication of Er-doped ZrO2-based nanocrystalline phase-separated optical fiber preforms using the MCVD and solution doping techniques is presented and discussed in details in the paper. Preforms with nearly transparent cores containing Er-doped nanocrystals with dimensions mainly within 20-80 nm…
Fecha:	2013-03-30
Recurso:	Advances in Electrical and Electronic Engineering

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Optical Properties of Microstructured Fibre Tuned by Filling with Magnetic Liquids
Vanda, Jan; HiLASE project, Institute of Physics, Acadamy of Sciences of the Czech Republic - Candiani, Alessandro; Information Engineering Department, University of Parma, Area Parco delle Scienze 181/A 43124, Parma, Italy

Formato:	,
Enlaces:	Alternative for adjust optical fiber light-guiding properties by bulk glass doping is provided by microstructured optical fibers, which allows access directly to the light guiding core via their microstructure. Following paper will report utilizing of suspended-core, so-called high-delta, microstructured optical…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

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Permanent Magnet Flux-Switching Machine, Optimal Design and Performance Analysis
Somesan, Liviu Emilian; Technical University of Cluj-Napoca, Romania - Padurariu, Emil; Technical University of Cluj-Napoca, Romania - Viorel, Ioan Adrian; Technical University of Cluj-Napoca, Romania

Formato:	,
Enlaces:	In this paper an analytical sizing-design procedure for a typical permanent magnet flux-switching machine (PMFSM) with 12 stator and respectively 10 rotor poles is presented. An optimal design, based on Hooke-Jeeves method with the objective functions of maximum torque density,…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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Evaluation of the Harmonic Impedance of Frydlant (Line 53) Power Network
Ali, Shehab Abdulwadood; University of Aden - Bodor, Alfred; EnerGoConsult CB, s.r.o.

Formato:	,
Enlaces:	The harmonic impedance of the power system is an important quantity, which describes the behaviour of the power system with the existence of different frequencies beside the fundamental. The harmonic study belongs to the most difficult part of the electrical…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

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Common-cause Failures as Major Issue in Safety of Control Systems
Ilavsky, Juraj; Siemens s.r.o., CEE RU-SK IC-MOL RA ECZ - Rastocny, Karol; University of Zilina - Zdansky, Juraj; University of Zilina

Formato:	,
Enlaces:	In order to gain an improvement of safety or availability measures of the safety-relevant control system through employment of redundancy a redundant system has to comply with the requirement on independence of redundant parts. If the requirements on the independence…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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Modelling of H.264 MPEG2 TS Traffic Source
Klucik, Stanislav; Institute of Telecommunications Faculty of Electrical Engineering and Information Technology Slovak University of Technology in Bratislava Ilkovicova 3 Bratislava 812 19 Slovakia - Lackovic, Martin

Formato:	,
Enlaces:	This paper deals with IPTV traffic source modelling. Traffic sources are used for simulation, emulation and real network testing. This model is made as a derivation of known recorded traffic sources that are analysed and statistically processed. As the results…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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Modeling of Telecommunication Cables for Gigabit DSL Application
Nevosad, Marek; Department of Telecommunication Engineering Faculty of Electrical Engineering, Czech Technical University in Prague Prague - Lafata, Pavel - Jares, Petr

Formato:	,
Enlaces:	The first part of our paper brings the description and analysis of method used for modeling of metallic cable’s parameters according to the modified KPN model. Moreover we were able to perform measurements and estimations for real metallic cable’s with…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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10.

Admission Control in IMS Networks
Chromy, Erik; Slovak University of Technology - Jadron, Marcel - Kavacky, Matej - Klucik, Stanislav

Formato:	,
Enlaces:	In our paper there is an emphasis on simulations of admission control methods in MATLAB environment. The main task of admission control method is to make a decision if the connection requiring network access should be accepted to the network…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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11.

Small Cell Network Topology Comparison
Oppolzer, Jan; Department of Telecommunication Engineering Faculty of Electrical Engineering Czech Technical University in Prague Technicka 2 Prague 166 27 Czech Republic - Bestak, Robert

Formato:	,
Enlaces:	One of the essential problems in a mobile network with small cells is that there is only a limited number of (PCIs) available. Due to this fact, operators face the inevitable need for reusing (PCIs). In our contribution, we are…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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12.

Room Thermostat with Servo Controlled by PIC Microcontroller
Skapa, Jan; VSB-Technical University of Ostrava - Kramar, Petr

Formato:	,
Enlaces:	This paper describes the design of room thermostat with Microchip PIC microcontroller. Thermostat is designated for two-pipe heating system. The microprocessor controls thermostatic valve via electric actuator with mechanical gear unit. The room thermostat uses for its activity measurements of…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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13.

Influence of Thermal Treatment on Magnetic Properties of Steel Sheet Material Utilised in Cable Routing System
Usak, Elemir

Formato:	,
Enlaces:	The influence of relax annealing aimed at removal of the residual stresses (so-called stress-relief annealing) on various magnetic parameters, such as the relative magnetic amplitude permeability, coercivity, remanent flux density, etc. is discussed. Samples of steel cable tray material which…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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14.

Determination of Error Probability of Cryptography and Safety Codes for Safety-Related Railway Applications
Franekova, Maria; University of Zilina - Vyrostko, Marek; University of Zilina - Luley, Peter; University of Zilina

Formato:	,
Enlaces:	The paper deals with the problem of determination of error probability of cryptography and safety codes used within the safety-related railway applications with increasing safety integrity level (SIL). In the paper are also described requirements for cryptographic block code and…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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15.

Second Order Low-Pass and High-Pass Filter Designs Using Method of Synthetic Immitance Elements
Brandstetter, Pavel; VSB-Technical university of Ostrava - Klein, Lukas; VSB-Technical university of Ostrava

Formato:	,
Enlaces:	The paper briefly describes the basics of frequency filter design method using synthetic immittance elements with current conveyors. An introduction of the paper explains the advantages and also disadvantages of using this method. Other chapters briefly introduce a design process…
Fecha:	2013-03-30
Recurso:	Advances in Electrical and Electronic Engineering

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16.

Speed Estimation of Induction Motor Using Model Reference Adaptive System with Kalman Filter
Brandstetter, Pavel; VSB - Technical University of Ostrava Department of Electronics - Dobrovsky, Marek; VSB - Technical University of Ostrava Department of Electronics

Formato:	,
Enlaces:	The paper deals with a speed estimation of the induction motor using observer with Model Reference Adaptive System and Kalman Filter. For simulation, Hardware in Loop Simulation method is used. The first part of the paper includes the mathematical description…
Fecha:	2013-03-30
Recurso:	Advances in Electrical and Electronic Engineering

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17.

The Test of Organic Solvents Vapours Based on Commercial Tin Dioxide Gas Sensors
Gajdosik, Libor; VSB-technical university of Ostrava

Formato:	,
Enlaces:	This article describes the experiments carried out with the system of three tin dioxide gas sensors MQR 1003, TGS 822 and TGS 813, as well as the achieved results. Vapours of five industrial organic solvents were tested. The measurement values…
Fecha:	2013-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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18.

Unsupervised Spelling Correction for Slovak
Hladek, Daniel; Department of Electronics and Multimedia Communications Faculty of Electrical Engineering Technical University of Kosice Park Komenskeho 13 042 00 Kosice Slovak Republic - Stas, Jan - Juhar, Jozef

Formato:	,
Enlaces:	This paper introduces a method to automatically propose and choose a correction for an incorrectly written word in a large text corpus written in Slovak. This task can be described as a process of finding the best matching sequence of…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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19.

Comparison among Models to Estimate the Shielding Effectiveness Applied to Conductive Textiles
Lopez, Alberto; Department of Telecommunication Engineering Faculty of Electrical Engineering Czech Technical University in Prague Technicka 2 Prague 166 27 Czech Republic - Vojtech, Lukas - Neruda, Marek

Formato:	,
Enlaces:	The purpose of this paper is to present a comparison among two models and its measurement to calculate the shielding effectiveness of electromagnetic barriers, applying it to conductive textiles. Each one, models a conductive textile as either a (1) wire…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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20.

Availability Model for Virtualized Platforms
Hlavacek, Jiri; Department of Telecommunication Engineering Faculty of Electrical Engineering Czech technical university in Prague Prague - Bestak, Robert

Formato:	,
Enlaces:	Network virtualization is a method of providing virtual instances of physical networks. Virtualized networks are widely used with virtualized servers, forming a powerful dynamically reconfigurable platform. In this paper we discuss the impact of network virtualization on the overall system…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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21.

Optimisation of Video-Data Transmission in Telematic System
Bubenikova, Emilia; University of Zilina - Holecko, Peter; University of Zilina - Pirnik, Rastislav; University of Zilina

Formato:	,
Enlaces:	The goal of this paper is to analyse, define, and summarise the requirements on networks connecting telematic technologies based on Intelligent Transport Systems (ITS). The paper describes the methodics of setting and a general concept of technological networks interface based…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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22.

Correlation between Objective and Subjective Methods Used for Video Quality Evaluation
Uhrina, Miroslav; Department of Telecommunications and Multimedia Faculty of Electrical Engineering, University of Zilina Zilina - Hlubik, Jan - Vaculik, Martin

Formato:	,
Enlaces:	The article deals with the correlation between the objective and the subjective methods. In the first part the short characteristic of the MPEG compression standards is written. The second part focuses on the objective metrics and the third part on…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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23.

Semi-Smooth Newton Method for Solving 2D Contact Problems with Tresca and Coulomb Friction
Motyckova, Kristina; Ph.D. student Department of Applied Mathematics, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava - Kucera, Radek; Associated professor Centre of Excellence IT4I, VSB-Technical University of Ostrava

Formato:	,
Enlaces:	The contribution deals with contact problems for two elastic bodies with friction. After the description of the problem we present its discretization based on linear or bilinear finite elements. The semi--smooth Newton method is used to find the solution, from…
Fecha:	2013-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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24.

Advanced Algorithm for Optimizing the Deployment Cost of Passive Optical Networks
Lafata, Pavel; Department of Telecommunication Engineering, Faculty of Electrical Engineering, Czech Technical University in Prague, Czech Republic

Formato:	,
Enlaces:	The deployment of passive optical networks (PONs) is slow today, especially in Europe, because completely new optical infrastructures are necessary to be installed in the last-mile segments of access networks, which is always very expensive process. One of the possibilities…
Fecha:	2013-03-30
Recurso:	Advances in Electrical and Electronic Engineering

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25.

The Analysis of SUCCESS HPON Networks Using the HPON Network Configurator
Roka, Rastislav; Institute of Telecommunications Slovak University of Technology Bratislava SLOVAKIA

Formato:	,
Enlaces:	NG-PON systems present optical access infrastructures to support various applications of the many service providers. In the near future, we can expect NG-PON technologies with different motivations for developing of HPON networks. The HPON is a hybrid passive optical network…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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26.

Problem of Channel Utilization and Merging Flows in Buffered Optical Burst Switching Networks
Kozak, Milos - Jaumard, Brigitte - Bohac, Leos

Formato:	,
Enlaces:	In the paper authors verify two problems of methods of operational research in optical burst switching. The first problem is at edge node, related to the medium access delay. The second problem is at an intermediate node related to buffering…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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27.

Restoration of Optical Spectrum
Vitasek, Jan; Layout Editor, VSB - Technical University of Ostrava, Faculty of Electrical Engineering and Computer Science, Department of Telecommunications - Latal, Jan; VSB - Technical University of Ostrava, Faculty of Electrical Engineering and Computer Science, Department of Telecommunications - Siska, Petr; VSB - Technical University of Ostrava, Faculty of Electrical Engineering and Computer Science, Department of Telecommunications - Koudelka, Petr; VSB - Technical University of Ostrava, Faculty of Electrical Engineering and Computer Science, Department of Telecommunications - Vasinek, Vladimir; VSB - Technical University of Ostrava, Faculty of Electrical Engineering and Computer Science, Department of Telecommunications

Formato:	,
Enlaces:	This article deals with research of luminous sources which could be applied in indoor Free Space Optic (FSO) networks. Indoor FSO networks have potential to replace standard IEEE 802.11 in the future. Suitable selection and configuration of optical radiation sources…
Fecha:	2013-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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28.

Dynamic Constrained Economic/Emission Dispatch Scheduling Using Neural Network
Benhamida, Farid - Belhachem, Rachid; Department of Electrical Engineering University of Djillali Liabes of Sidi Bel-Abbes

Formato:	,
Enlaces:	In this paper, a Dynamic Economic/Emission Dispatch (DEED) problem is obtained by considering both the economy and emission objectives with required constraints dynamically. This paper presents an optimization algorithm for solving constrained combined economic emission dispatch (EED) problem and DEED,…
Fecha:	2013-03-30
Recurso:	Advances in Electrical and Electronic Engineering

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29.

Comparison between Different Control Strategies of a Z-Source Inverter Based Dynamic Voltage Restorer
Kazemdehdashti, Abolfazl; School of Electrical and Computer Engineering, Shiraz University, Shiraz, Iran - Seifi, Ali Reza; School of Electrical and Computer Engineering, Shiraz University, Shiraz, Iran - Shabanpoor Haghighi, Amin; School of Electrical and Computer Engineering, Shiraz University, Shiraz, Iran

Formato:	,
Enlaces:	In this paper, dynamic voltage restorer (DVR) compensation methods are compared to each other for the load side connected shunt converter topology of z-source inverter based DVR to choose the best method. Four different topologies are recognized for DVR that…
Fecha:	2013-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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30.

Investigation of VDSL2 Digital Lines with Bridged Taps and Various Parameters
Lafata, Pavel

Formato:	,
Enlaces:	Modern Very-High Speed Digital Subscriber Lines (VDSL2) can potentially increase the transmission rates in access networks up to tens of Mbps in both directions. However, the real transmission performance of VDSL2 technology is heavily influenced by real conditions of symmetrical…
Fecha:	2013-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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31.

Impact of Apparent Reactance Injected by TCSR on Distance Relay in Presence Phase to Earth Fault
Zellagui, Mohamed; Doctor and Researcher at Research Laboratory of Electromagnetic Propulsion and Induction System (LSP-IE), Faculty of Technology, Department of Electrical Engineering, University of Batna - Chaghi, Abdelaziz; Professor at Research Laboratory of Electromagnetic Propulsion and Induction System (LSP-IE), Faculty of Technology, Department of Electrical Engineering, University of Batna

Formato:	,
Enlaces:	This research paper presents the impact study of apparent reactance injected by series Flexible AC Transmission System (FACTS) i.e. Thyristor Controlled Series Reactor (TCSR) on the measured impedance of a 400 kV single electrical transmission line in the presence of…
Fecha:	2013-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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32.

Fault Tolerant Ethernet Based Network for Time Sensitive Applications in Electrical Power Distribution Systems
Bohac, Leos; Czech technical university in Prague - Vodrazka, Jiri

Formato:	,
Enlaces:	The paper analyses and experimentally verifies deployment of Ethernet based network technology to enable fault tolerant and timely exchange of data among a number of high voltage protective relays that use proprietary serial communication line to exchange data in real…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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33.

Development of the Real Time Situation Identification Model for Adaptive Service Support in Vehicular Communication Networks Domain
Kurmis, Mindaugas; Institute of Mathematics and Informatics Vilnius University Akademijos str. 4 Vilnius Lithuania - Andziulis, Arunas - Dzemydiene, Dale - Jakovlev, Sergej - Voznak, Miroslav - Drungilas, Darius

Formato:	,
Enlaces:	The article discusses analyses and assesses the key proposals how to deal with the situation identification for the heterogeneous service support in vehicular cooperation environment. This is one of the most important topics of the pervasive computing. Without the solution…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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34.

OpenFlow Deployment and Concept Analysis
Hegr, Tomas; Department of Telecommunication Engineering Faculty of Electrical Engineering Czech Technical University in Prague Technicka 2 Praha 6 Czech Republic - Bohac, Leos - Uhlir, Vojtech - Chlumsky, Petr

Formato:	,
Enlaces:	Terms such as SDN and OpenFlow (OF) are often used in the research and development of data networks. This paper deals with the analysis of the current state of OpenFlow protocol deployment options as it is the only real representative…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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35.

Performance Analysis of IMS Network: the Proposal of new Algorithms for S-CSCF Assignment
Nagy, Lubos - Novotny, Vit - Uramova, Jana - Makhlouf, Nermin

Formato:	,
Enlaces:	This article is focused on the proposal of three load balancing methods which can be used for a selection of S-CSCF (Serving-Call Session Control Server) server in IP Multimedia Subsystem (IMS) during the registration procedures of subscribers. All presented methods…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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36.

Wearable Textile Electrodes for ECG Measurement
Vojtech, Lukas - Bortel, Radoslav - Neruda, Marek - Kozak, Milos

Formato:	,
Enlaces:	The electrocardiogram (ECG) is one of the most important parameters for monitoring of the physiological state of a person. Currently available systems for ECG monitoring are both stationary and wearable, but the comfort of the monitored person is not at…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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37.

Vehicular Networks and Road Safety: an Application for Emergency/Danger Situations Management Using the WAVE/802.11p Standard
Fazio, Peppino; Dipartimento di Elettronica Informatica e Sistemistica Faculty of Engineering University of Calabria - de Rango, Floriano - Lupia, Andrea

Formato:	,
Enlaces:	Car-to-car communication makes possible offering many services for vehicular environment, mainly to improve the safety. The decentralized kind of these networks requires new protocols to distribute information. The advantages that it offers depend on the penetration rate, that will be…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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38.

A Methodology for Measuring Voice Quality Using PESQ and Interactive Voice Response in the GSM Channel Designed by OpenBTS
Partila, Pavol; Department of Telecommunications Faculty of Electrical Engeneering and Computer Science VSB-Technical University of Ostrava Ostrava - Kohut, Marek - Voznak, Miroslav - Mikulec, Martin - Safarik, Jakub - Tomala, Karel

Formato:	,
Enlaces:	This article discusses a methodology for rating the quality of mobile calls. Majority telecommunications service from the perspective of the whole world is using mobile telephony networks. One of the problems affecting this service and its quality are landscape barriers,…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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39.

Categorization of Unorganized Text Corpora for better Domain-Specific Language Modeling
Stas, Jan; Department of Electronics and Multimedia Communications Faculty of Electrical Engineering and Informatics Technical University of Kosice Kosice - Zlacky, Daniel; Department of Electronics and Multimedia Communications Faculty of Electrical Engineering and Informatics Technical University of Kosice Kosice - Hladek, Daniel; Department of Electronics and Multimedia Communications Faculty of Electrical Engineering and Informatics Technical University of Kosice Kosice - Juhar, Jozef; Department of Electronics and Multimedia Communications Faculty of Electrical Engineering and Informatics Technical University of Kosice Kosice

Formato:	,
Enlaces:	This paper describes the process of categorization of unorganized text data gathered from the Internet to the in-domain and out-of-domain data for better domain-specific language modeling and speech recognition. An algorithm for text categorization and topic detection based on the…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

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40.

Performance Investigation of the RBF Localization Algorithm
Machaj, Juraj; University of Zilina - Brida, Peter; University of Zilina

Formato:	,
Enlaces:	In the present paper the impact of network properties on localization accuracy of Rank Based Fingerprinting algorithm will be investigated. Rank Based Fingerprinting (RBF) will be described in detail together with Nearest Neighbour fingerprinting algorithms. RBF algorithm is a new…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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41.

A New Concept of Two-Stage Multi-Element Resonant-/Cyclo-Converter for Two-Phase IM/SM Motor
Abdalmula, Mahmud Ali Rzig

Formato:	,
Enlaces:	The paper deals with a new concept of power electronic two-phase system with two-stage DC/AC/AC converter and two-phase IM/PMSM motor. The proposed system consisting of two-stage converter comprises: input resonant boost converter with AC output, two-phase half-bridge cyclo-converter commutated by…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

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42.

Metric Indices for Performance Evaluation of a Mixed Measurement based State Estimator
Vide, Paula Sofia; Dept. of Electrical Engineering, ESTG, Polytechnic Institute of Leiria, Portugal - Barbosa, Fernando Pires Maciel; Faculty of Engineering of Porto University Department of Electrical and Computer Engineering Rua Dr. Roberto Frias, 4200-465, Porto - Portugal - Carvalho, Jose Antanio Beleza; Instituto Superior de Engenharia do Porto Department Electronic Engineering Rua Dr. Antonio Bernardino de Almeida, 431, 4200-072 Porto, Portugal

Formato:	,
Enlaces:	With the development of synchronized phasor measurement technology in recent years, it gains great interest the use of PMU measurements to improve state estimation performances due to their synchronized characteristics and high data transmission speed. The ability of the Phasor…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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43.

Multiparameter Symbolic Sensitivity Analysis Enhanced by Nullor Model and Modified Coates Flow Graph
Asenova, Irina; University of Transport “T. Kableshkov” - Balik, Franciszek; Wroclaw University of Technology

Formato:	,
Enlaces:	In symbolic sensitivity analysis very important role plays the number of additionally generated expressions and in consequence additional number of arithmetical operations. The main drawback of some methods based on the adjoint graph or on the two-graph technique, i.e. the…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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44.

Power Restoration in Medium Voltage Network Using Multiagent System
Kovac, Miroslav; Postgradual student, Department of Electrical Power Systems, Faculty of electrical engineering, University of Zilina - Bracinik, Peter; Associate professor, Department of Electrical Power Systems, Faculty of electrical engineering, University of Zilina - Hoger, Marek; Postdoctoral Researcher and Teacher, Department of Electrical Power Systems, Faculty of electrical engineering, University of Zilina - Roch, Marek; Postdoctoral Researcher and Teacher, Department of Electrical Power Systems, Faculty of electrical engineering, University of Žilina - Otcenasova, Alena; Associate professor, Department of Electrical Power Systems, Faculty of electrical engineering, University of Žilina

Formato:	,
Enlaces:	The article describes a novel approach to a power restoration in medium voltage power distribution network. It focuses primary at searching of a new network configuration enabling to minimalize the size of faulted area and to restore the power for…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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45.

A Complex Overview of Modeling and Control of the Rotary Single Inverted Pendulum System
Jadlovska, Slavka; PhD Student Department of Cybernetics and Artificial Intelligence Faculty of Electrical Engineering and Informatics Technical University of Kosice Letna 9, 042 00 Kosice, Slovakia - Sarnovsky, Jan; Professor Department of Cybernetics and Artificial Intelligence Faculty of Electrical Engineering and Informatics Technical University of Kosice Letna 9, 042 00 Kosice, Slovakia

Formato:	,
Enlaces:	The purpose of this paper is to present an in-depth survey of the rotary single inverted pendulum system from a control engineer's point of view. The scope of the survey includes modeling and open-loop analysis of the system as well…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering

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46.

Design of Power Converters for Renewable Energy Sources and Electric Vehicles Charging
Tvrdon, Martin; Ph.D. Student, VSB - Technical University of Ostrava, Faculty of Electrical Engineering and Computer Science, Department of Electronics - Chlebis, Petr; Professor, VSB - Technical University of Ostrava, Faculty of Electrical Engineering and Computer Science, Department of Electronics - Hromjak, Michal; Ph.D. Student, VSB - Technical University of Ostrava, Faculty of Electrical Engineering and Computer Science, Department of Electronics

Formato:	,
Enlaces:	This paper describes the design and construction of new series of power converters equipped with liquid cooling system. This power series is created for project ENET – Energy Units for Utilization of non Traditional Energy Sources. First power converter is…
Fecha:	2013-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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47.

Performance of LTE ADVANCED Uplink in a Flat Rayleigh Channel
Kasem, Edward; BUT university - Faculty of Electrical Engineering and Communication - Marsalek, Roman; BUT university - Faculty of Electrical Engineering and Communication - Blumenstein, Jiri; BUT university - Faculty of Electrical Engineering and Communication

Formato:	,
Enlaces:	This paper describes the performance of LTE advanced uplink transmission in a flat Rayleigh channel. The uplink is simulated using a modified version of the Vienna uplink link level matlab code simulator. This modified version supports two transmission antennas instead…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

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48.

Using the Antiphase for Elimination the Noise of Electrical Power Equipment
Pokorny, Viktor; Layout editor. Department of Electrical Power Engineering, Faculty of Electrical Engineering and Computer Science, VŠB - Technical University of Ostrava, 17. listopadu 15/2172, Ostrava - Poruba, Czech Republic - Misak, Stanislav; Layout editor. Department of Electrical Power Engineering, Faculty of Electrical Engineering and Computer Science, VŠB - Technical University of Ostrava, 17. listopadu 15/2172, Ostrava - Poruba, Czech Republic

Formato:	,
Enlaces:	The aim of this research is to create functional system which eliminates the noise of electrical devices. This system works on active basis, therefore it process parasitic signal itself and use it for elimination of the noise. On the first…
Fecha:	2013-06-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

49.

Backup Alternatives for 110 kV Lines
Houdek, Vit; VSB - Technical University of Ostrava - Rusek, Stanislav; VSB - Technical University of Ostrava - Gono, Radomir; VSB - Technical University of Ostrava

Formato:	,
Enlaces:	The paper describes backup alternatives for 110 kV lines. Line backup is one of input parameters used to optimise the renovation of 110 kV lines. The optimisation is based on the principle of reliability centred maintenance (RCM) which depends on…
Fecha:	2013-06-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

50.

Laboratory Research of Hydrogen Production at VŠB - TU Ostrava, Laboratory Research of Hydrogen Production at VSB-Technical University of Ostrava
Vaculik, Jan; VSB - TU Ostrava - Moldrik, Petr; VSB - TU Ostrava - Hradilek, Zdenek; VSB - TU Ostrava

Formato:	,
Enlaces:	This paper elaborates on the hydrogen technology with respect to electrical power accumulation in hydrogen via Hogen GC600 electrolyzer. Further details will include options for storage of hydrogen into containers currently available. The measurements contained in the paper illustrate laboratory…
Fecha:	2013-03-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

51.

Transmission Delay Modeling of Packet Communication over Digital Subscriber Line
Vodrazka, Jiri; Dpt. of Telecommunication Engineering Czech Technical University in Prague - Lafata, Pavel; Dpt. of Telecommunication Engineering Czech Technical University in Prague

Formato:	,
Enlaces:	Certain multimedia and voice services, such as VoIP, IPTV, etc., are significantly delay sensitive and their performance is influenced by the overall transmission delay and its variance. One of the most common solutions used in access networks are xDSL lines,…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

52.

Vehicular Networking Enhancement And Multi-Channel Routing Optimization, Based on Multi-Objective Metric and Minimum Spanning Tree
Fazio, Peppino; Dipartimento di Elettronica Informatica e Sistemistica Faculty of Engineering University of Calabria - Sottile, Cesare - Santamaria, Amilcare Francesco - Tropea, Mauro

Formato:	,
Enlaces:	Vehicular Ad hoc NETworks (VANETs) represent a particular mobile technology that permits the communication among vehicles, offering security and comfort. Nowadays, distributed mobile wireless computing is becoming a very important communications paradigm, due to its flexibility to adapt to different…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

53.

Generalized Radio Resource Management for Overlapping MBS Zones
Luo, Fang - Chou, Yu-Feng - Cheng, Ray-Guang - Kalika, Marek - Holy, Radek - Kalikova, Jana

Formato:	,
Enlaces:	Multicast and broadcast service (MBS) is a point-to-multipoint service where data packets are transmitted simultaneously from a single source to multiple destinations. In MBS, some base stations (BSs) may form an MBS zone and transmit identical MBS contents simultaneously using…
Fecha:	2013-11-19
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

54.

Fault Indicators of Partial Discharges in Medium-Voltage Systems
Hamacek, Stefan; VŠB-TU Ostrava Štefan HAMACEK, today he is a scientific researcher in the Department of Electrical Engineering, Technical University of Ostrava and applies himself to the issue of medium-voltage lines with covered conductors and problems associated with the fault detection of covered conductors. He also deals with the problems of traction cathenary and research dissemination of stray currents in the area of traction. - Misak, Stanislav

Formato:	,
Enlaces:	The safety and reliability of the electricity system, these are the two basic keywords present in the energy sector. One of the ways to improve the overall security of the electricity system is to reduce the failure rate of transmission…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

55.

Statistical Analysis of Compression Methods for Storing Binary Image for Low-Memory Systems
Slaby, Roman; VSB-TUO - Nowakova, Jana; VSB-TUO - Hercik, Radim; VSB-TUO

Formato:	,
Enlaces:	The paper is focused on the statistical comparison of the selected compression methods which are used for compression of the binary images. The aim is to asses, which of presented compression method for low-memory system requires less number of bytes…
Fecha:	2013-09-24
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

56.

Surface Effect on Three Phase Lines of Low-Ohmic Furnaces
Novak, Pavel

Formato:	,
Enlaces:	The article another option of using numerical method of elementary conductors in surface effect three-phase supply linesfor low-ohmic furnaces. Impedance asymmetry of three-phase supply lines of different conductor profiles and various spaceconfigurations is analysed following to the author`s article published…
Fecha:	2011-06-29
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

57.

WDM in Courses of Communication Technologies
Filka, Miloslav - Bernkopf, Miroslav

Formato:	,
Enlaces:	This conference paper shows and demonstrates how modern technologies (such as WDM – Wavelength Division Multiplex) were introduced to students of Optical Networks lectured at Brno University of Technology, Faculty of Electrical Engineering and Communication, Dept. of Telecommunications.
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

58.

Epitaxial Layers of InP Doped With Rare Elements for Use in Radiation Detector
Kozak, Halyna - Sopko, Bruno - Zdansky, Karel

Formato:	,
Enlaces:	We have focused on the investigation of the impact of Ce, Eu, Tm, Eu2O3 and Tm2O3 addition in LPE growth process on the properties of InP layers in the context of their application in detector structures.
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

59.

Science is a Part of the Culture
Turek, Ivan

Formato:	,
Enlaces:	The contribution points on relation between sciences and various aspects of the life of a society. The relation of physics and mathematics with technical disciplines is stressed. It is accented that technical education should be based on a mathematical and…
Fecha:	2011-06-29
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

60.

Note on the Methodology of Measuring the Attenuation of Acustic Waves in Solid State
Sidor, Peter - Vajda, Drahoslav

Formato:	,
Enlaces:	The presented paper is a note on the methodology of measuring the attenuation of ultrasonic waves in the case of observation device not facilitating a direct measurement of the attenuation based on the definition of the ratio of amplitudes. Instead…
Fecha:	2011-06-29
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

61.

Intermodal Interference as a Source of Information on Optical Fibres
Kacik, Daniel - Turek, Ivan - Martinecek, Ivan - Grendár, Drahomír

Formato:	,
Enlaces:	A basic description of intermodal interference which follows possibility investigation of intermodal interference in spectral and space region. There is also a brief description of equipments used for such investigation and some illustrations of obtained results. There is pointed in the…
Fecha:	2011-06-29
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

62.

Four-Wave Mixing Aplication in Semiconductor Optical Amplifier
Odrobinak, Radoslav

Formato:	,
Enlaces:	Four-Wave Mixing (FWM) in semiconductor optical amplifiers is an attrative mechanism for wavelenght coversion in wavelenght-division multiplexed (WDM) systems since it provides modulation format and bit rate transparency over wide tuning ranges. A series of systems experiments evaluating several aspects…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

63.

Diagnostics and Reconfiguration of Control Systems
Krokavec, Dusan - Filasova, Anna

Formato:	,
Enlaces:	This contribution summarizes some of the major trends, as well as real opportunities for the application of system fault diagnosis and reconfiguration control structures in automatic control systems. There are referenced ongoing concepts for residual generation, described design approaches in virtual reconfiguration…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

64.

Mathematical Model of Thyristor Inverter Including a Series-parallel Resonant Circuit
Luft, Miroslaw; Technical University of Radom - Szychta, Elzbieta

Formato:	,
Enlaces:	The article presents a mathematical model of thyristor inverter including a series-parallel resonant circuit with theaid of state variable method. Maple procedures are used to compute current and voltage waveforms in the inverter.
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

65.

Possibilities of Genetic Algorithm Application in the Calculation of Power Networks Operation,
Rapsik, Miroslav - Altus, Juraj

Formato:	,
Enlaces:	The paper describes the possibilities of genetic algorithm application by the reactive power flows’ optimization in Slovak power transmission system. The methods of reactive power flow calculation and the utilization of genetic algorithms for their minimalization are indicated in the…
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

66.

Location in Mobile Networks Using Database Correlation (DCM)
Mada, Michal - Duha, Jan

Formato:	,
Enlaces:	The article presents one of the methods of location (DCM), which is suitable for using in urban environments, where other methods are less accurate. The principle of this method is in comparison of measured samples of signal with samples stored…
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

67.

High-Freqeuncy Analysis of Three-Winding Autotransformers 400/121/34 kV
Gutten, Miroslav - Brandt, Martin - Polansky, Roman - Prosr, Pavel

Formato:	,
Enlaces:	This article deals with a description of methods of an experimental analysis concerning the actual condition of windings and magnetic circuit of the autotransformer, which is required in power transmission companies all over the world.
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

68.

Analysis of PMMT Operation for Renewable (PV/FC) Energy Source
Sul, Robert - Fibich, Peter - Frivaldsky, Michal

Formato:	,
Enlaces:	Utilization and construction of renewable energy sources require complexity of whole system. It is considered touse a set of devices that are necessary for energy conversion, accumulation, preparation and its distribution into electrical power supply network. The way of realization…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

69.

Advanced Ceramics Electronics Application
Trnka, Pavel - Bujalobokova, Magdalena

Formato:	,
Enlaces:	Ceramics materials infringe human life from early years of the humankind. Together with the progress of the science and engineering, various materials and technologies have been used. Suitable materials and technologies have been used in the proper applications. This paper…
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

70.

Using of the Modern Semiconductor Devices Based on the SiC
Drabek, Pavel

Formato:	,
Enlaces:	This paper deals with possibility of application of the semiconductor devices based on the SiC (Silicon Carbide) inthe power electronics. Basic synopsis of SiC based materials problems are presented, appreciation of their properties incomparison with current using power semiconductor devices…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

71.

The Assessment of Working Conditions of Traction Substation for Power and Reactive Energy
Wojciechowski, Jerzy - Lukasik, Zbigniew

Formato:	,
Enlaces:	In this paper, problems concerning the management of reactive power of DC traction substation have been discussed. The structure of traction system and its main elements has been sketched. Reactive power issue with respect to rectifier sets has been presented.…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

72.

Quality of Power Supply in European View
Prokop, Lukas - Hradilek, Zdenek

Formato:	,
Enlaces:	This paper deals with comparisons of situation in quality of power supply regulation in some of European countries, which are interested in CEER (Council of European Energy Regulators). Especially we focused our analysis on reliability indices, relationship between supplier and…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

73.

Estimates of Quantities in a Hall Effect Geodynamo Theory
de Paor, Annraoi M; NUI Dublin

Formato:	,
Enlaces:	Currents, resistances, dynamo constant, Hall voltage coefficient and inductances are estimated for the author’s geodynamo theory incorporating the Hall Effect. It is concluded that the Hall Coefficient in the bulk liquid core of the Earth is approximately 1.512x10-1, orders of…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

74.

Estimation of Energy Not Supply
Medvec, Zdenek - Prokop, Lukas

Formato:	,
Enlaces:	Damages in industrial company are raising during electrical interruption of power supply. These damages have usually different character and financial damages are most usual. Value of damage is nearly pertinent to type of industrial branch and working load of production…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

75.

Analysis of Setups of the Control of Rail Microprocessor Systems
Kornaszewski, Mieczyslaw - Lukasik, Zbigniew

Formato:	,
Enlaces:	In the article will have been introduced possibilities following from the application of the microprocessor technology in rail systems of the control of traffic will remain for example of modern signalling on railway crossings. Introduction to microcomputer and microprocessor systems…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

76.

Numerical Solution of Magnetostatic Field of Maglev System
Sobotka, Jaroslav

Formato:	,
Enlaces:	The paper deals with the design of the levitation and guidance system of the levitation train Transrapid 08 by means of QuickField 5.0 – a 2D program formagnetic electromagnetic fields solutions.
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

77.

Calculation of Forces Acting on Bars of Induction Machina
Hruska, Karel

Formato:	,
Enlaces:	This calculation is based on calculation of torque components of induction machines. Basic torque components are expanded, using knowledge of machine’s geometry, to the periphery of machine’s rotor. Using Fourier analysis of torque components it is possible to calculate forces…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

78.

Principles of Audio Watermarking
Hrncar, Martin - Krajcovic, Jan

Formato:	,
Enlaces:	The article contains a brief overview of modern methods for embedding additional data in audio signals. It could have many reasons - for the purposes of access control or identification related to particular type of audio. This secret information is…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

79.

Triple Play Service and IPTV Services Offered within it
Pajdusakova, Dagmar - Adamec, Bohumil

Formato:	,
Enlaces:	This paper deals with Triple Play multimedia service and figures its architecture. Triple Play offers voice, video and data services together in one customer connection. There is offered IPTV (Internet Protocol Television) service within this service, where we can include…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

80.

Influence of Electric Discharges on Bearings of Electric Machina
Foldyna, Jiri - Chmelik, Karel - Misak, Stanislav

Formato:	,
Enlaces:	Bearing currents are one of cause’s bearings faults. The character of a lubricator belongs to main factor influencing an inception of bearing currents. We have analyzed the electric character variety kind of lubricators; the influence of lubricators on a bearing…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

81.

Overview of Distributed Control Systems Formalisms
Holecko, Peter

Formato:	,
Enlaces:	This paper discusses a chosen set of mainly object-oriented formal and semiformal methods, methodics, environments and tools for specification, analysis, modeling, simulation, verification, development and synthesis of distributed control systems (DCS).
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

82.

The Parametric Model for PLC Reference Chanells and its Verification in Real PLC Environment
Roka, Rastislav

Formato:	,
Enlaces:	For the expansion of PLC systems, it is necesssary to have a detailed knowledge of the PLC transmission channel properties. This contribution shortly discusses characteristics of the PLC environment and a classification of PLC transmission channels. A main part is…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

83.

Formation of Signals Harmonized with the Channel of Connection with Different Quality Criteria
Cherneva, Galina Petkova - Andonov, Antonio

Formato:	,
Enlaces:	The paper presents the optimization of the transmitted signal form according to a number of quality energy criteria. It is the transmission efficiency that has been assessed for signals harmonized with the channel of connection in comparison to the common-used…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

84.

Methods of Risk Analysis of Telematic Objects
Stefanak, Jozef - Pribyl, Pavel - Spalek, Juraj

Formato:	,
Enlaces:	The paper focuses on basic description of the tunnel as a telematic object and its architecture. Conventional methods of risk analysis of telematic objects are introduced in relation to their safety. New approaches of risk quantification are shown in connection…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

85.

The Magnetic Fields of Electric Motors and their EMC
Kovac, Dobroslav - Kovacova, Irena

Formato:	,
Enlaces:	This paper deals with the computer analysis of the electromagnetic compatibility (EMC) problems focused on the area of electrical machines, which can also disclose the concerning startling facts. A problem of interference between electric motor and surrounding space caused by…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

86.

Some Thoughts on Electrical Interventions for the Control of Tremor in Parkinson's Dinase
Hearn, A. N.; NUI Dublin - Lowery, Madeleine; NUI Dublin - de Paor, Annraoi M; NUI Dublin

Formato:	,
Enlaces:	Ideas from control theory – state variable feedback, dither injection, the equivalent nonlinearity and the describing function-are applied to models developed to help understand the mechanisms of electrical interventions such as deep brain stimulation (DBS) for the alleviation of Parkinsonian…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

87.

Traction Transformer 1 MV.A, Superconducting, Oil-immersed and Medium Frequency
Krasl, Milan - Pechanek, Roman - Vlk, Rostislav

Formato:	,
Enlaces:	This paper deals with comparing 3 types of transformers - superconducting, oil-immersed and middle-frequency. These transformers can be used for locomotive as the main transformer. Weight, sizes and losses are introduced. The influence of eddy currents is describes by middle-frequency…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

88.

Sliding Mode Flux Observer of Induction Motor
Sutnar, Zdenek - Rodic, Miran - Peroutka, Zdenek

Formato:	,
Enlaces:	This paper deals with the sliding mode theory for direct torque and flux controlled (DTFC) induction motor drive. The aim of this paper is implementation of sliding mode theory for design of robust sensorless control of the drive with DTFC.…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

89.

Mathematical Models of MIMO Channel
Poloha, Peter - Wieser, Vladimir - Haring, Jan - Majer, Norbert

Formato:	,
Enlaces:	In this contribution, we try to resolve the problem with multipath MIMO channel in wireless environment. To understand the environment, where multipath signal is transported, theoretical models will be applied. We will take a look on theoretical models and results…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

90.

Directional Pattern Analysis of a Linear Phased Antenna
Haring, Jan - Majer, Norbert - Hronec, Rudolf

Formato:	,
Enlaces:	An antenna array is a system compound from simply radiators (dipoles, microstrip antennas), that together form desired radiation pattern. Phased array antennas consist of multiple stationary antenna elements, that are fed coherently and use variable phase or time-delay control at…
Fecha:	2011-06-17
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

91.

Analysis of Efficiency Characteristics of Squirrel-Cage Induction Motor Loaded With Water System Pump
Lukasik, Zbigniew; Technical University of Radom - Szychta, Leszek; Technical University of Radom

Formato:	,
Enlaces:	The article presents a method of calculating efficiency of squirrel-cage induction motor. This efficiency depends on frequency of the voltage supplied to the motor and on electrical power. Results of laboratory testing of the motor's efficiency are presented.
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

92.

The Turbulent Telecommunications
Kuchar, Anton

Formato:	,
Enlaces:	The paper depicts the rapidly changing scene in the telecommunications arena. It provides an overview of recentkey developments in technologies that enable access to broadband Internet, describes the trends in provisioning services onthe IP platform and discusses policy, regulatory and…
Fecha:	2011-06-22
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

93.

Location Based Services in GSM Networks and New Possibilities for their Application in Transport
Dubovan, Jozef - Dado, Milan

Formato:	,
Enlaces:	An enormous growth of mobile communication gives new challenges for new services creation. One of the possibilities is to focus attention on the localisation and localisation based services. It gives for mobile networks customers new information about position of another…
Fecha:	2011-06-22
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

94.

3D Reconstruction of NMR Images
Izak, Peter - Smetana, Milan - Hargas, Libor - Hrianka, Miroslav - Spanik, Pavol

Formato:	,
Enlaces:	This paper introduces experiment of 3D reconstruction NMR images scanned from magnetic resonance device. There are described methods which can be used for 3D reconstruction magnetic resonance images in biomedical application. The main idea is based on marching cubes algorithm. For…
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

95.

Measuring of Block Error Rates in High-Speed Digital Networks
Ivaniga, Petr - Mikus, Ludovit

Formato:	,
Enlaces:	Error characteristics is a decisive factor for the digital networks transmission quality definition. The ITU – TG.826 and G.828 recommendations identify error parameters for high – speed digital networks in relation to G.821 recommendation. The paper describes the relations between…
Fecha:	2011-06-22
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

96.

Wireless Local Networks to Record the Railway Traffic Control Equipment Data
Gorczyca, Przemyslaw - Mikulski, Jerzy - Bialon, Andrzej

Formato:	,
Enlaces:	Article presents a concept of a distributed diagnostic railway traffic control system using the short – range wireless networks as a main communication medium.
Fecha:	2011-06-22
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

97.

IT Security Aspects of Industrial Control Systems
Holecko, Peter - Krbilova, Izabela

Formato:	,
Enlaces:	This paper discusses a set of general network system architectures for industrial process control systems as well as vulnerabilities related to these systems and the IT threats these systems are exposed to from the point of view of Common Criteria…
Fecha:	2011-06-22
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

98.

Fault Diagnosis in Deaerator Using Fuzzy Logic
Srinivasan, S - Kanagasabapathy, P - Selvaganesan, N

Formato:	,
Enlaces:	In this paper a fuzzy logic based fault diagnosis system for a deaerator in a power plant unit is presented. The system parameters are obtained using the linearised state space deaerator model. The fuzzy inference system is created and rule…
Fecha:	2011-06-20
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

99.

Modeling of Current Transformers Under Saturation Conditions
Prochazka, Martin; University of West Bohemia

Formato:	,
Enlaces:	During a short circuit the input signal of the relay can be distort by the magnetic core saturation of the current transformer. It is useful to verify the behavior of CT by a mathematical model. The paper describes one phase…
Fecha:	2011-06-22
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

100.

Programmable Logic Controllers for Systems of Automatic of the Level Crossing
Kornaszewski, Mieczyslaw

Formato:	,
Enlaces:	The railway crossings are vulnerable to incidence of high number of accidents often deadly. In order to face this problem, the modern systems of automatic of the level crossing have been introduced. These systems are based on Programmable Logic Controllers,…
Fecha:	2011-06-22
Recurso:	Advances in Electrical and Electronic Engineering