Applied Electronics 2015 Collection home page

Browse
Subscribe to this collection to receive daily e-mail notification of new additions RSS Feed RSS Feed RSS Feed
Collection's Items (Sorted by Submit Date in Descending order): 21 to 40 of 62
Rath, Gerhard , Probst, Gerold , Kollment, Werner
Robot control unit for educational purposes

A standard serial 6-DOF industrial robot was equipped with an electronic control unit designed especially for educational purposes. A fast Ethernet LAN with UDP communication allows a real-time control from a PC, which runs a widely used scientific software. Even inverse and direct ...

Drábek, Pavel , Poljak, Ladislav
Metods for voltage ripple mitigation on DC side of single-phase AC\DC converters

Traction converter with medium frequency transformer (MFT) presents current trend of modern locomotive drives topology. Traction drives based on MFT significantly reduce weight of bulky low frequency traction transformers and present modern traction converter topology. Single-phase converters connected to&...

Pittermann, Martin , Drábek, Pavel , Bednář, Bedřich
High voltage converter for purpose to minimizing of weight of traction transformer

This paper describes the variants of realization of high voltage converter for purpose to minimizing of weight of traction transformer (so called “electronic-transformer”). The high voltage converter brings the possibility of using medium frequency transformer (with frequency for example 400Hz) i...

Pittermann, Martin , Drábek, Pavel , Bednář, Bedřich
Control algorithms for traction drive with high voltage matrix converters and medium frequency transformer

This paper describes the control algorithms for electric drive with single phase matrix converters supplied medium frequency converter for traction purpose. Described control algorithms realize the control of active and reactive power, output voltage, reduce harmonic disturbance in input current ...

Pittermann, Martin , Drábek, Pavel , Bednář, Bedřich
Switching algorithms for single phase matrix converter with input capacitance

This paper describes the switching algorithms for single phase matrix converter (switching logic for matrix converter). There is shown two basic methods of the control of the switches in the matrix converter and these modifications (and combining algorithm). First method needs the knowl...

Perešíni, Igor , Krajčovič, Tibor
Internet controlled embedded system for intelligent sensors and actuators operation

Devices compliant with Internet of Things concept are currently getting increased interest amongst users and numerous manufacturers. Our idea is to introduce intelligent household control system respecting this trend. Primary focus of this work is to propose a new solution of intelligent...

Peniak, Peter , Franeková, Mária
Open communication protocols for integration of embedded systems within Industry 4

This article deals with Industry 4 as a new paradigm for manufacturing of the future. Internet of Things and new communication approach can lead to next generation of automated solutions as next step from currently isolated automation systems to Cyber-Physical Systems. Article tries...

Pančík, Juraj
The low cost embedded control of the industrial hydraulic pulse system based on PLC and state machine design

In the paper we describe the control electronics for an industrial test system based on a low cost PLC. The developed system is a hydraulic pulse system and it generates series of high pressure hydraulic pulses (max. 200bar) and is based on pneumatic-hydraulic circuits. We...

Nimz, Thomas , Bodenstein, Christian , Berekovic, Mladen
LED application specific calibration method for color measurements

More and more light applications use multiple light emitting diodes to generate defined light spectra. Often reaching defined brightness levels and an exact color coordinate or color temperature is desired. The LEDs change their light spectra over time or under influence of different&#x...

Náhlík, Jiří , Hospodka, Jiří , Šubrt, Ondřej , Chávez, Adán
Optimization methods for switched capacitor circuits

The paper investigates the performance of the Differential Evolution (DE) and Particle Swarm Optimization (PSO) algorithm for SC filter Optimization. In order to improve their performance the three algorithm based on their combination are proposed. The performance is investigated on the desi...

Mužíková, Vendula , Glasberger, Tomáš
Control strategies enabling high frequency injections for PMSM position estimation

The aim of this paper is to present two different control approaches with injection of high frequency signals for estimation of rotor position and speed of a permanent magnet synchronous motor (PMSM) due its anisotropy. There are selected and modified two methods, a sliding mo...

Montanez, German , Patino, Diego , Mendez, Diego
Comparison of model predictive control techniques for active suspension

This paper presents the develop and analysis of four control techniques implemented in an embedded system for an active suspension. The three techniques are based on model predictive control (MPC): The MPC off-line interpolation by piecewise affine systems (PWA), MPC neural network inte...

Linhart, Richard , Georgiev, Vjačeslav , Kopal, Josef
Broadband bias networks for pulse signal RF amplifiers

This article describes one possible solution of bias networks for special broadband RF amplifiers. The purpose is amplification special pulse signals from particle detectors, which demands well defined time domain properties. The problem is demonstrated on two basic prototypes with different ...

Lafata, Pavel , Nevosad, Marek
Modelling of metallic cables at G.fast frequencies

Metallic cables are still frequently used in access telecommunications networks, especially in the last-mile network segments, together with digital subscriber line (DSL) technologies. Recently, the G.fast system for reaching gigabit transmission speed over short metallic lines has been introduced. In...

Kutílek, Patrik , Socha, Vladimír , Schlenker, Jakub , Škoda, David , Hybl, Jan , Černý, Rudolf , Frynta, Daniel , Landová, Eva , Hašková, Tereza , Kurali, Aniko
System for measuring movement response of small animals to changes in their orientation

The article introduces a novel system for measuring locomotive response of small animals (specifically amphibians and reptiles) to change in their body orientation based on a camera system located on mechanical platform powered by a set of three actuators. The camera system consists...

Kůs, Václav , Pittermann, Martin , Fořt, Jiří
DC-source with minimal influences on the supply network

This paper describes the design of special high power DC-source 110V/1kA. The emphasis was taken to the issue of the negative impact minimizing of DC source on power supply network from low-frequency interference point of view. The paper contains the simulation model of propos...

Kůs, Václav , Josefová, Tereza
The influence of the dead time duration and switching frequency on the input current distortion of voltage-source active rectifiers

This paper is focused on the influence combinations of the dead time duration and switching frequency on the drawn current from the grid by voltage-source active rectifiers. Newly the various definitions of the total harmonic distortion of the current are used. According to the...

Kuhajda, Blažej , Martínek, Radek , Kelnar, Michal , Vaňuš, Jan , Bilík, Petr
New strategies for frequency measurement using high-speed video camera system

This paper describes the design, construction, and testing of a high speed cameras as a measuring sensor for position of a fast moving mechanical object. Position is evaluated by detecting the edges of the object. Datasets of these positions then becomes subject to frequency a...

Krstić, Dragana , Marjanović, Ivica , Zdravkovic, Srboljub , Veljković, Stanislav , Yassein, Muneer Masadeh Bani
Moments of macrodiversity SC receiver output signal with two microdiversity EGC receivers with three branches over rayleigh multipath fading environment

Wireless communication system with macrodiversity reception operating over Gamma shadowed Rayleigh multipath fading channel is considered. Macrodiversity system has macrodiversity selection combining (SC) diversity receiver and two microdiversity equal gain combining (EGC) diversity receivers. Each of EGC micro...

Kozáček, Boris , Frivaldský, Michal , Košťál, Juraj , Piri, Marek
Figure of Merit of Semiconductor Structures Determination of the impact on the system efficiency of LLC converter

This article has been realized in order to show simplified design procedure on how to meet the standards for dc-dc converters, which are being constantly increased. Hence we decided to analyze several generations of power semiconductor MOSFET and diode structures. With the use of&#...

Collection's Items (Sorted by Submit Date in Descending order): 21 to 40 of 62