ELEKTRYKA - Issue 3-4/2012 (223-224) - Politechnika Śląska, Wydział Elektryczny

ELEKTRYKA - Issue 3-4/2012 (223-224)

ELEKTRYKAYear LVIII (2012)

QuarterlyIssue 3-4 (223-224)

Scientific Committee

CONTENTS

Foreword

Joanna KOLAŃSKA-PŁUSKA: Influence of air gap to input impedance for internal inductor–cylindrical workpiece system
Piotr KOZIERSKI: Discrete measurement and transition models in particle filter
Marcin LIS, Piotr KOZIERSKI: The impact of information about the state variables on the quality control of neurodriver
Piotr KOZIERSKI, Marcin LIS: Influence of color noises on particle filter effects
Jerzy BARANOWSKI, Waldemar BAUER, Marek OLESZCZYK, Paweł PIĄTEK, Adam WINDAK: Frequency methods in analysis of the behavior patients primary healthcare
Artur PASIERBEK, Bernard BARON, Zygmunt PIĄTEK, Tomasz SZCZEGIELNIAK, Dariusz KUSIAK: A computer system with a triaxial sensor for measuring the intensity of a magnetic field
Stanisław JAŁBRZYKOWSKI, ADAM KRUPA, ADAM TOMASZUK: Experimental comparison of DC/DC converters for use in photovoltaics
Dawid BUŁA: DC bus voltage controller in hybrid active power filter
Tomasz ADRIKOWSKI, Dawid BUŁA, Marian PASKO: Analysis of the influence of dead time on the hybrid active power
Anna PIWOWAR, Janusz WALCZAK: Generalised transmission model of first order parametric section
Tomasz ZARĘBSKI: Possibilitiess of implementation of building automatic systems in local power grids
Olgierd MAŁYSZKO, Michał ZEŃCZAK: Electric and magnetic fields near new power transmission lines

Joanna KOLAŃSKA-PŁUSKA

Instytut Układów Elektromechanicznych i Elektroniki Przemysłowej, Politechnika Opolska

INFLUENCE OF AIR GAP TO INPUT IMPEDANCE FOR INTERNAL INDUCTOR–CYLINDRICAL WORKPIECE SYSTEM

Summary. Input impedances of the internal inductor – tubular workpiece system was calculated by using FEMM ver. 4.2 program. The input impedance of the inductor is defined as the ratio of voltage to current. The analysis was conducted for inductor current frequencies of 4400 Hz, taking into account the phenomenon of skin effect and the effect of approximation. In multi-variant FEMM simulations were performed for different geometries not only the inductor but also a steel pipe as well. For the discretization using triangular elements with linear approximation. The grid was generated independently for the inductor and cylindrical workpiece and the surrounding airspace and consisted of 84775 nodes and 169487 elements. For border areas used as Dirichlet boundary conditions.

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Piotr KOZIERSKI

Institute of Control and Information Engineering, Poznan University of Technology

DISCRETE MEASUREMENT AND TRANSITION MODELS IN PARTICLE FILTER

Summary. In article there is proposed a new approach to particle filter modeling – creation discrete transition and measurement models. This new approach assumes knowledge of transition model (2) and measurement model (3), but written by certain values set (non-analytical form). It opens new perspectives for particle filter prosper, in problems which analytical form cannot be used or it is hindered.

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Marcin LIS

Instytut Elektrotechniki i Elektroniki Przemysłowej, Politechnika Poznańska

Piotr KOZIERSKI

Instytut Automatyki i Inżynierii Informatycznej, Politechnika Poznańska

THE IMPACT OF INFORMATION ABOUT THE STATE VARIABLES ON THE QUALITY CONTROL OF NEURODRIVER

Summary. In the paper there has been shown the impact of information of the state variables on the quality control using neural network. It is shown how from one initial configuration of weights, the network may evolve differently, using various input signals. There has been proposed 3 different systems for simulations, each with different inputs to the neural network (fig. 1). Each of this 3 systems have a correspond waveform of signal evolution in time (fig. 3 – 8). As one can see, adding state variable to the control loop greatly increases neural network performance. Neural network is learning using Adaptive Interaction method. The first chapter is an introduction to the subject of the article. Chapter 2 discusses the entire system, the object, the observer and neurodriver. Chapter 3 presents the simulation results. Chapter 4 is dedicated to conclusions.

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Piotr KOZIERSKI

Instytut Automatyki i Inżynierii Informatycznej, Politechnika Poznańska

Marcin LIS

Instytut Elektrotechniki i Elektroniki Przemysłowej, Politechnika Poznańska

INFLUENCE OF COLOR NOISES ON PARTICLE FILTER EFFECTS

Summary. In the paper particle filter principle of operation with color noises is presented. Noise, which causes the worst filtration effects was indicated, and for this case was proposed method for improving filtration results. Particle filter is briefly described in the Chapter 1. In Chapter 2 different types of noise are presented. In Chapter 3 there are description and results of simulation.

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Jerzy BARANOWSKI, Waldemar BAUER, Paweł PIĄTEK

AGH Akademia Górniczo-Hutnicza, Katedra Automatyki

Marek OLESZCZYK, Adam WINDAK

Collegium Medicum Uniwersytetu Jagiellońskiego, Zakład Medycyny Rodzinnej

FREQUENCY METHODS IN ANALYSIS OF THE BEHAVIOR PATIENTS PRIMARY HEALTHCARE

Summary. Paper is an introduction to the problem of analysis of data from Primary Healthcare facilities. Problem motivation, and data origin and processing are presented. Initial frequency analysis is discussed and illustrated with plots. Paper ends with further research plans.

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Artur PASIERBEK, Bernard BARON

Instytut Elektrotechniki i Informatyki, Politechnika Śląska w Gliwicach

Zygmunt PIĄTEK, Tomasz SZCZEGIELNIAK

Instytut Inżynierii Środowiska, Politechnika Częstochowska

Dariusz KUSIAK

Instytut Elektrotechniki Przemysłowej, Politechnika Częstochowska

A COMPUTER SYSTEM WITH A TRIAXIAL SENSOR FOR MEASURING THE INTENSITY OF A MAGNETIC FIELD

Summary. The paper describes the architecture and the individual components of a computer-based system for measuring the intensity of a magnetic field. It also covers the issue of calibration and presents the usability properties of the system. As an example, a measurement of the intensity of the magnetic field surrounding a low-voltage stabilized power supply has been included.

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Stanisław JAŁBRZYKOWSKI, Adam KRUPA, Adam TOMASZUK

Politechnika Białostocka, Wydział Elektryczny

EXPERIMENTAL COMPARISON OF DC/DC CONVERTERS FOR USE IN PHOTOVOLTAICS

Summary. This paper presents the results of research over three topologies of DC/DC boost converters. Their efficiency, voltage gain as well as practical possibilities to apply them in photovoltaic systems connected to electrical grid. These converters are push-pull current-fed, partial parallel isolated boost converter and interleaved DC/DC boost converters whose properties have been documented with appropriate waveforms and plots.

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Dawid BUŁA

Instytut Elektrotechniki i Informatyki, Politechnika Śląska w Gliwicach

DC BUS VOLTAGE CONTROLLER IN HYBRID ACTIVE POWER FILTER

Summary. The model of dc bus voltage controller used in inverter of hybrid power filter has been presented in the paper. The hybrid filter with single tuned passive filter controlled with Park transformation has been considered as an example. The derived model allowed the selection of optimal parameters of proportional-integral controller applied in dc voltage control circuit. Experimental results which confirmed the validity of the analysis have also been presented in the paper.

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Tomasz ADRIKOWSKI, Dawid BUŁA, Marian PASKO

Instytut Elektrotechniki i Informatyki, Politechnika Śląska w Gliwicach

ANALYSIS OF THE INFLUENCE OF DEAD TIME ON THE HYBRID ACTIVE POWER

Summary. In the paper influence of voltage inverter dead time on filtering properties of hybrid active power filter was analyzed. The hybrid filter with single tuned passive filter was used as an example. The effect of inverter dead time to the output voltages as well as impact on harmonics reduction by hybrid filter were presented.

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Anna PIWOWAR, Janusz WALCZAK

Instytut Elektrotechniki i Informatyki, Politechnika Śląska w Gliwicach

GENERALISED TRANSMISSION MODEL OF FIRST ORDER PARAMETRIC SECTION

Summary. This paper presents a model of the first order first order parametric section, further called LTV section, with non-periodically variable parameter. Those systems are used as parts of more complex parametric filters. A formula, describing filter response to any signal with finite average power, has been determined. Obtained results have been illustrated by an example.

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Tomasz ZARĘBSKI

Katedra Elektroenergetyki i Napędów Elektrycznych, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie

POSSIBILITIESS OF IMPLEMENTATION OF BUILDING AUTOMATIC SYSTEMS IN LOCAL POWER GRIDS

Summary. The article examined the possibility of providing a sufficient amount of electricity necessary for the proper functioning of society, using alternative energy sources. Discusses issues such as: local electricity networks, whether application of the building automation systems in local energy networks, which will greatly help to increase opportunities for the management of energy consumption by the end user.

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Olgierd MAŁYSZKO, Michał ZEŃCZAK

Katedra Elektroenergetyki i Napędów Elektrycznych, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie w Szczecinie

ELECTRIC AND MAGNETIC FIELDS NEAR NEW POWER TRANSMISSION LINES

Summary. The article discusses electric and magnetic fields around new power transmission lines. The paper takes into considerations comparison of electric and magnetic fields near PTL with traditional AFL wires, traditional AFL wires with monitoring of temperature and HTLS wires.

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