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Acoustic attenuation; anisotropy; clusters; magnetic fluid; rotation and translation motion. (1)
Actuator; Flexible connection; Resonant frequency; Antiresonant frequency. (1)
Advanced Process Control; Control system; PID controller; self tuning; PLC; visualization. (1)
Annealing; carbon steel; electromagnetic compatibility; magnetic properties. (1)
Automatic model generation; custom Simulink block library; energy-based swing-up methods; linear state-feedback stabilizing control; rotary single inverted pendulum. (1)
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cze (8)
slo (2)
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2013 (12)
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Aproximadamente 30 registro(s) hasta el momento: (journal)

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Recurso libre

An Introduction to Feedforward Control of Electric Drives
Malek, Michal - Makys, Pavol - Stulrajter, Marek

Formato:	,
Enlaces:	The field of electric drives provides a broad spectrum of applications with different power demands, utilized motor types or different environment requirements. Lot of applications are characterized by very high demands on accuracy and dynamic properties and have attribute of…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

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Fiber Optical Sensor for High Temperatures
Hanacek, Frantisek; Site Administrator - Latal, Jan - Koudelka, Petr - Skapa, Jan - Siska, Petr - Vasinek, Vladimir - Hurta, Jan

Formato:	,
Enlaces:	The fiber optic sensors are used in various industries. Advantages of optical sensors are based on the benefits of fiber and partially profit at their technological advances. The fiber optic temperature sensors are based on more than one way of…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

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Influence of Magnetic Field on Electric Charge Trasport in Holmium Thin Film at Low Temperature
Dudas, Jan - Gabani, Stanislav - Bagi, Jozef - Goscianska, Iwona - Hodulikova, Anna

Formato:	,
Enlaces:	High precision electrical resistance measurements were performed in the low temperature range from 4.2 K up to room temperature on a holmium bulk sample, and on holmium thin films in magnetic field. The X-ray diffraction of Ho films confirmed their preferential crystal…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

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Binary Modulation Formats in Optical Access Networks
Tejkal, Vladimir - Filka, Miloslav - Reichert, Pavel - Sporik, Jan

Formato:	,
Enlaces:	In this paper the binary modulation formats and their application in passive optical networks have been discussed. Passive optical networks are characterized by dividing the optical signal between several end users by using passive splitters, which added a significant attenuation…
Fecha:	2010-12-31
Recurso:	Advances in Electrical and Electronic Engineering

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Attacks to Cryptography Protocols of Wireless Industrial Communication Systems
Ondrasina, Tomas - Franekova, Maria

Formato:	,
Enlaces:	The paper deals with problems of safety and security principles within wireless industrial communication systems. First safety requirements to wireless industrial communication system, summarisation of attack methods and the available measures for risks elimination are described with orientation to safety…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

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Security Risks in IP Telephony
Rezac, Filip; Proofreader - Voznak, Miroslav

Formato:	,
Enlaces:	This paper deals with VoIP communication security and various techniques of VoIP attacks. We divided these threats in several categories according to their specific behaviour and their impact on the affected system. We also tried to find effective methods to…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

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Power System for Intelligent House
Jahelka, Michal

Formato:	,
Enlaces:	Power supply of intelligent houses or house phones is possible to do with standard transformer with voltage stabilizer or with intelligent power supply. Standard solution can has as a result of failure fuse blown or fire occurrence. Intelligent power supply…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

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Delay Variation Model with Two Service Queues
Rezac, Filip; Proofreader - Voznak, Miroslav - Hromek, Frantisek

Formato:	,
Enlaces:	Delay in VoIP technology is very unpleasant issue and therefore a voice packets prioritization must be ensured. To maintain the high call quality a maximum information delivery time from the sender to the recipient is set to 150 ms. This…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

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Spectral Subtractive Type Speech Enhancement Methods
Verteletskaya, Ekaterina - Simak, Boris

Formato:	,
Enlaces:	In this paper spectral subtractive method and some of its modification are compared. Performance of spectral subtraction, its limitations, artifacts introduced by it, and spectral subtraction modifications for eliminating these artifacts are discussed in the paper in details. The algorithms…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

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10.

Current Condition in the Transport Telematics
Mikulski, Jerzy; Silesian University of Technology, Katowice - Kedziora, Kacper

Formato:	,
Enlaces:	The term “telematics”, which originated more than ten years ago, stands for integration of technologies and solutions from the field of telecommunication, automation and computer science. Telematics is the combination of words “tele” (transfer at some distance, remote access) and…
Fecha:	2010-12-31
Recurso:	Advances in Electrical and Electronic Engineering

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11.

The Software Reliability of Large Scale Integration Circuit and Very Large Scale Integration Circuit
Ganiyev, Artem - Vitasek, Jan

Formato:	,
Enlaces:	This article describes evaluation method of faultless function of large scale integration circuits (LSI) and very large scale integration circuits (VLSI). In the article there is a comparative analysis of factors which determine faultless of integrated circuits, analysis of already…
Fecha:	2010-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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12.

Introduction to Feedforward Control of Electric Drives - Rules and Limits
Malek, Michal - Makys, Pavol - Stulrajter, Marek

Formato:	,
Enlaces:	Electric servodrives are characterized by precise tracking and its derivations. The way to meet this goal cost them a number of obstacles, whether variations associated with end-stage of astatism, changes in the positioning system parameters or to changes in load…
Fecha:	2010-12-31
Recurso:	Advances in Electrical and Electronic Engineering

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13.

Short-Term Load Forecast in Electric Energy System in Bulgaria
Asenova, Irina - Georgiev, Dimitar

Formato:	,
Enlaces:	As the accuracy of the electricity load forecast is crucial in providing better cost effective risk management plans, this paper proposes a Short Term Electricity Load Forecast (STLF) model with high forecasting accuracy. Two kind of neural networks, Multilayer Perceptron…
Fecha:	2010-12-31
Recurso:	Advances in Electrical and Electronic Engineering

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14.

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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15.

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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16.

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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17.

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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18.

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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19.

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

Recurso libre

20.

The Applications for the Calculation and Optimization of Passive Optical Networks Attenuation Characteristics
Lafata, Pavel - Vodrazka, Jiri

Formato:	,
Enlaces:	The passive optical networks represent modern and promising solution to meet the increasing demands on the transmission speed in access networks. These optical networks consist only of passive optical components, essential role play mainly the passive optical splitters. Therefore, it…
Fecha:	2010-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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21.

The Study of Sensory Properties of Quasi-Singlemode Fiber
Koudelka, Petr; Department of Telecommunications Faculty of Electrical Engineering and Computer Science VSB-TU Ostrava 17. listopadu 15/2172 708 33 Ostrava-Poruba Czech Republic - Latal, Jan - Siska, Petr - Hanacek, Frantisek - Skapa, Jan - Vasinek, Vladimir

Formato:	,
Enlaces:	The quasi-singlemode fibers are optical fibers with unique properties, the atypical profile structure allows the simultaneous use of optical fiber as transmission media and sensors, based on the distribution of optical power among several modes. In collaboration with the ASČR…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

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22.

Sampling Rate Conversion
Vitasek, Jan; Layout Editor

Formato:	,
Enlaces:	The topic of this article is conversion of the signal with given sampling frequency to signal with another sampling rate. The task is to change the sampling rate from fvz3=500Hz to fvz4=360Hz. There are two methods; in the text are called…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

23.

Utilization Asterisk for Service Desk
Vychodil, Jiri - Tomala, Karel - Voznak, Miroslav

Formato:	,
Enlaces:	Article discusses our established Service Desk, which was created to help and facilitate the work of a wide sector of users. To reduce costs in small and large institutions rather than traditional PBX solutions, the use Voice over IP (VoIP)…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

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24.

Self Tuning Techniques on PLC Background and Control Systems With Self Tuning Methods Design
Kocian, Jiri - Koziorek, Jiri

Formato:	,
Enlaces:	Advanced Process Control techniques have become standard functions of distributed control systems. Self tuning methods belong to Advanced Process Control (APC) techniques. APC techniques contain software packages for advanced control based on mathematical methods. APC tools are designed to increase…
Fecha:	2010-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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25.

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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26.

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

Recurso libre

27.

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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28.

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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29.

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

Recurso libre

30.

Comparison of Theories of Anisotropy in Transformer Oil-Based Magnetic Fluids
Kudelcik, Jozef; Department of physics, University of Zilina, Univerzitna 1, 010 26 Zilina - Bury, Peter; Department of physics, University of Zilina, Univerzitna 1, 010 26 Zilina - Drga, Jozef; Department of physics, University of Zilina, Univerzitna 1, 010 26 Zilina - Kopcansky, Peter; Department of Magnetism, IEP SAS, Watsonova 47, 040 01 Kosice - Zavisova, Vlasta; Department of Magnetism, IEP SAS, Watsonova 47, 040 01 Kosice - Timko, Milan; Department of Magnetism, IEP SAS, Watsonova 47, 040 01 Kosice

Formato:	,
Enlaces:	The external magnetic field in transformer oil-based magnetic fluids leads to the aggregation of magnetic nanoparticles and formation of clusters. These aggregations are the result of the interaction between the external magnetic field and the magnetic moments of the nanoparticles…
Fecha:	2013-04-27
Recurso:	Advances in Electrical and Electronic Engineering