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 ...

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&...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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&#...