Proceedings of the
4th WSEAS International Conference on
APPLICATIONS OF ELECTRICAL ENGINEERING

-AEE '05-

 

Prague, Czech Republic, March 13-15, 2005

 

 

 

TABLE of CONTENTS

 

Novel Electrical Methodologies in Geomaterials

 

 

Pressure Stimulated Current - PSC - emitted from marble samples when subjected to stress of various rates up to fracture

by Ilias Stavrakas, Dimos Triantis, Cimon Anastasiadis [493-387]

 

 

1

 

Identification of hydrocarbon contamination in low porosity marble samples using ac conductivity time-series

by G.Hloupis, I.Stavrakas, D.Triantis, F.Vallianatos, J.Stonham [493-352]

 

 

6

 

Pressure Stimulated Current (PSC) recordings on cement mortar and marble

by Antonis Kyriazopoulos, Ilias Stavrakas, Cimon Anastasiadis, Dimos Triantis [493-361]

 

 

12

 

Comments and remarks on the recordings of Pressure Stimulated Currents (PSC), in marble samples in the range of microcracking

by Dimos Triantis, Ilias Stavrakas, Cimon Anastasiadis [493-308]

 

 

16

 

Dielectric spectroscopy as a tool for the detection of contamination

in sandstone

Saltas V. [493-499]

 

 

22

 

Ac conductivity of marble rocks after the application of various stress modes. Correlation with mechanical properties

by Cimon Anastasiadis, Dimos Triantis, Ilias Stavrakas, Filippos Vallianatos [493-309]

 

 

28

Educational Aspects of Electrical Engineering

 

 

Flow Graphs Suitable for Teaching Circuit Analysis

by Biolek, D., Biolkova, V. [493-Bi36]

 

 

33

 

Application Aspects of Computers in Education

by Bores, P. [493-Bi10]

 

 

36

 

Distance learning support system at the University of Defence - development enclosures

by Brazda, A. [493-Bi7]

 

39

 

 

 

Modern microcontroller building set for teaching and development of industrial applications

by Weissar, P., Kosturik, K., Kubik, M. [493-Bi9]

 

 

43

 

Simulation and Animation of Power Electronics in Modern Education

by Bauer P. , Leuchter,J., Stekly, V. [493-Bi16]

 

 

48

 

Designing with programmable logic devices - course at the University of West Bohemia

by Poupa, M. [493-Bi14]

 

 

53

 

Effective Support of DSP by Using MATLAB® in Bachelor Type of Study

by Zaplatilek, K., Donar, B. [493-Bi2]

 

 

56

 

Teaching support of electric filters by SYNTFIL package

by Jan Bicak, Jirii Hospodka, [493-243]

 

 

59

 

Problems Related to Teaching Informatics at the University of Defence

by Burita, L., Hruby, M., Kaderka, J., Szlauerova, R., Jilek, R. [493-Bi27]

 

 

65

 

Impact of Photonics on the Education of Electrical Engineering Subjects

by Maschke, J., Vlcek, C. [493-Bi31]

 

 

70

Application of Topological Methods for Analysis and Synthesis of Electrical Networks

 

 

Topological Analysis of Nonreciprocal Electrical Network with Help of Singular Elements

by Braun, J., Zilka, Z., Berka, Z. [493-Bi34]

 

 

75

 

Flow Graph Analysis of PWM DC-to-DC Converters

by Biolek, D., Biolkova, V. [493-Bi38]

 

 

80

 

Nullor Network Jacobian and Hessian Matrices: Symbolic Determination by using Chan-Mai Signal-Flow Graphs

by Georgi Nenov, Pavel Baltiyski, Marina Nenova [493-283]

 

 

83

Advanced Frequency Filters and Their Applications

 

 

Novel Design Method of Digital IIR Filters

by Ziska, P., Laipert, M. [493-Bi32]

 

 

89

 

ARC Filters based on Lossy LC Ladder Prototypes

by Hajek, K., Sedlacek, J. [493-Bi28]

 

 

94

 

Design of Universal Multifunction Conveyor

by Misurec, J., Novotny, V. [493-Bi19]

 

 

98

 

Integrators with current conveyors

by Misurec, J. [493-Bi17]

 

 

103

 

High-Frequency Filter with UVCs Derived from RLC Structure

by Kubanek D., Vrba K., Sponar R. [493-265]

 

 

107

 

Analog Filter Design Based on Evolutionary Algorithms

by Martinek, P., Ticha, D. [493-Bi13]

 

 

111

 

Current Mode Multifunction Biquad using Single CDBA

by Ali Umit Keskin, Mehmet Said Yukselten [493-244]

 

 

116

 

The Analog Filter Design and Interactive Analog Signal Processing by PC Control

by Vratislav Michal, Sedlacek, J., Hajek, K. [493-Bi6]

 

 

119

 

Current-mode all-pass filters using multiple-output CDTA

by Tomas Dostal [493-242]

 

 

123

System Analysis and Modeling

 

 

Numerical analysis of vibrational generator

by Zdeněk Pončík, Alice Řičařová, Pavel Fiala [493-220]

 

 

128

 

Analysis the Operation of DVR in Voltage Sag Mitigation Using EMTP

by H.Monsefm, B.Tamimi [493-316]

 

 

132

 

Using the Artificial Neural Networks for Accurate RF Devices Modeling

by Pospisil, L., Dobes, J. [493-Bi12]

 

 

139

 

Applying Signal Processing Techniques to Facilitate the Shape Modeling in Industrial Design

by Chensheng Wang, Joris S.M. Vergeest, Pieter J. Stappers [493-197]

 

 

144

 

An alternative approach to modulo-multiplication for Finite Fields  using the Itoh-Tsujii Algorithm

by Bharathwaj Sanakara Viswanathan, K. L. Narasimhan [493-217]

 

 

151

 

Efficient Application of Signal Processing Methods in Textile Science

by Kosek, M. [493-Bi1]

 

 

155

 

Courseware for Symbolic Analysis

by Kolka, Z. [493-Bi4]

 

 

160

 

The Fastest Determination of Precise Magnitude and Phase of Harmonic Signal in Case of 50 Hz Power Line Disturbance

by Hajek, K., Sedlacek, J., Sviezeny, B. [493-Bi29]

 

 

164

 

Computation complexity of time-frequency representation of signals

by Misurec, J., Koula, I. [493-Bi18]

 

 

167

 

Sensitivity Analysis in Multiconductor Transmission Line Networks

by Brancik, L. [493-Bi20]

 

 

170

 

Signal Energy-Metric Approach to Stability Analysis of Linear and Non-Linear Causal Systems

by Hrusak, J, Mayer, D. [493-Bi21]

 

 

176

 

Progressive Methods in the Numerical Modeling by the Finite Elements

by Fiala, P., Kadlecova, E. [493-Bi22]

 

 

182

Circuits, Devices and Systems

 

 

On Synthesis of Asymptotic Filter Banks Based on a Generalization of the Tellegen’s Principle

by Milan Stork, Josef Hrusak [493-245]

 

 

197

 

Radar Pulse Compression Techniques

by Shamsolah S. , Jamshihi J., Rafiee, A. [493-118]

 

 

203

 

Intrusion Detection and Response System Generator: Using Transferred Belief Model

by Bel G. Raggad [493-144]

 

 

210

 

Comparison of Reference Compensating Current Estimation Techniques for Shunt Active Filter

by R.Shanmugha Sundaram, K.J.Poornaselvan, N.Devarajan [493-149]

 

 

217

 

Analysis and Simulation of Active Clamped Quasi-Resonant DC Link Inverter

by Ismail Aksoy, Hülya Obdan, Nur Bekiroglu [493-155]

 

 

225

 

Design of a Variable Key Length Cryptographic Processor

by Bharathwaj S.V., Kishore L.N., Arulalan M R [493-173]

 

 

231

 

Overview of SMMS-SOC architecture

by S.Natarajan, N.Ramadass,  .J.Raja Paul Perinbam [493-192]

 

 

237

 

A new method for implementation of radio frequency power meters

by Hossein Mohseni, Mohammad Hossein Alavi, Mohammad Reza Malek Mohammadi [493-208]

 

 

242

 

A direct conversion based high resolution spectrum analyzer for medium frequency

by M. R. Malek Mohammadi, M. H. Alavi, H. Mohseni [493-213]

 

 

246

 

Analysis of Voltage to Frequency Converter with Phase Modulation Possibility

by Milan Stork [493-236]

 

 

251

 

Symbolic Analysis of Switched-Mode DC-to-DC Converters

by Biolek, D., Biolkova, V. [493-Bi37]

 

 

257

 

On multi-port current conveyors

by Tomas Dostal, Kamil Vrba, Josef Cajka [493-291]

 

 

261

 

Electric current across heterojunction with different effective mass

by Michal Horák [493-381]

 

 

265

 

Design of a Current Control Synchronized Chaotic Colpitts Oscillator System

by Tsakiridis O., Zervas E., Koutsioumpos M., Stonham J. [493-384]

 

 

271

 

Delta Converter Modification in SR Machine

by Borhan Azimi, Hassan Ghafoori Fard, Amin Hassan Yazdavar

[493-337]

 

 

279

 

Videoconference Security

by Cvrk, L., Sykora, M., Zeman, V. [493-Bi5]

 

 

284

 

Measurement and Model Identification of Semiconductor Devices

by Dobes, J., Grabner, M. [493-Bi11]

 

 

288

 

Source of Synchronously Digitally Controlled Pure Harmonic Signal for Precise Measurement

by Hajek, K., Sedlacek, J., Sviezeny, B. [493-Bi30]

 

 

294

 

Modulation Classifier of Digitally Modulated Signals Based on Method of Artificial Neural Networks  

by Marie Richterova, Antonin Mazalek, Karel Pelikan [493-233]

 

 

297

Optimization and Control

 

 

Optimal Parameterization Selection for the Brain-Computer Interface

by J. Štastny, J. Zejbrdlich, Pavel Sovka [493-176]

 

 

300

 

Optimized Solar Water Pumping System Based on an Induction Motor Driving a Centrifugal Pump

by A. Betka, A.Moussi [493-113]

 

 

305

 

A Novel Approach for Tuning Power System Stabilizer (Smib System) Using Genetic Local Search Technique

by Satheeshkumar Jegadeesan,Ebenezer Jeyakumar [493-138]

 

 

314

 

Comparison of UPFC Based Stabilizer and PSS Performances on Damping of Power System Oscillations

by M. Sadeghierad [493-148]

 

 

323

 

A Neural Network Approach to Sensorless Control of Synchronous Reluctance Motor

by M. Sadeghierad [493-150]

 

 

329

 

Efficiency optimization of variable speed induction motor using artificial neural network

by D.Devaraj, S.Durairaj, K.Vaitheeswaran, S.Karthi [493-107]

 

 

334

 

Data transfer and processing in MR tomography using digital processor

by Bartusek K., Dokoupil Z., Smekal Z., Gescheidtova E.  [493-131]

 

 

340

 

Ant Colony Algorithm for Capacitor Placement in Distribution Networks

by J.Nikoukar [493-166]

 

 

345

 

Optimal Design of Switched Reluctance Machine using Genetic Algorithm

by R.T.Naayagi, V.Kamaraj [493-375]

 

 

350


Capacitor Placement in Distribution Systems Using Genetic Algorithms and Tabu Search

by Javad Nikoukar, Majid Gandomkar [493-196]

 

 

354


Optimization of Energy Consumption and Load Management

by Abbas Shabani, Seid Hamid Fathi [493-202]

 

 

359

 

Robust Controller for Damping Power System Oscillations

by S. Vavidel, Lakshmana Perumal [493-203]

 

 

365


Optimizing the operation of current differential protection by power differential relay for three phase transformer

by Bahman Bahmani,Alimohammad Ranjbar [493-317]

 

 

378

Electromagnetism and Power Systems

 


Power Quality Analysis of a Fuel Cell Technology in a Distribution System

by Gilson Paulillo [493-268]

 

 

384

 

Study of Harmonics Effects on Performance of Induction Motors

by Hashem Oraee Mirzamani, Azim Lotfjou Choobari, [493-139]

 

 

389


A new algorithm for protection of three-phase power transformers using neural networks

by Sadeghierad M., TaherieAsbagh A., Monsef, H. [493-146]

 

 

395

 

A New Modeling of Inductive Sensors for Current Measuring at High Voltage

by Hashem Oraee Mirzamamni , Azim Lotfjou Choobari, Mohammad Hadi Varahram [493-147]

 

 

401

 

Harmonic Distortions Produced by Compact Fluorescent Lamps in Distribution Networks

Mateus D. Teixeira, Gilson Paulillo, Alexandre R. Aoki, Daniel L. Archanjo [493-200]

 

 

407

 

A Novel Approach for the Classification of Power Quality Disturbance Using Combined Adaptive Decomposition Structure and Neural Network

by Subramaniam.N.P, Jayashree.S and Bhoopathy bagan.K [493-231]

 

 

414


Harmonic Loss Effects on Temperature Rise in Inverter Fed Induction Motor

by Benamrouche Nacereddine, Khaldi Rabah, Bousbaine Amar

[493-237]

 

 

420


Contingency ranking based on combination of severity indices in dynamic security analysis

by Saied Jalilzadeh, Shahram Jadid [493-122]

 

 

425


A comparison of chosen permanent magnets arrangements for high gradient magnetic fields generation

by Hala, A. [493-Bi35]

 

 

431


A Numerical Modeling of Magnetic Field Perturbated by the Presence of Ship’s Hull

by M. Djennah, Z. Abidi [493-293]

 

 

436


New Method for Reactive Power Pricing in Iran’s Network

by A. Kazemi, H. A. Shayanfar, J. Aghaei, M. Karami [493-313]

 

 

441


Accuracy of air ion field measurement

by Tomáš Smutný, Vítězslav Kafka, Pavel Fiala [493-340]

 

 

447


Measurement of gradient magnetic field

by Tomáš Smutný, Vítězslav Kafka, Karel Bartušek, Pavel Fiala

[493-341]

 

 

451


Measurement of vircator ultra-short solitary electromagnetic pulses

by Steinbauer, M., Drexler, P., Fiala, P., [493-Bi25]

 

 

454


Susceptibility of weakly magnetic materials - comparison of NMR and inductive measurement methods

by Steinbauer, M., Bartusek, K., Foltyn, D. [493-Bi26]

 

 

458


Measuring of the human electromagnetic emission in the ELF band

by Cechak, J. [493-Bi33]

 

 

462


Numerical Modeling and Experimental Assessment of Voltage Sags Effects on Induction Machine Operation

by Martin Zlomek, Pavel Fiala [493-260]

 

 

466


Network Enabled Capability and the Impact on Education

Stodola, P. [493-Bi8]

 

 

470