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Zobrazují se záznamy 1-20 z 23

    • A Study of the Properties of Electrical Insulation Oils and of the Components of Natural Oils 

      Autor: Spohner , Milan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper presents a study of the electrical and non-electrical properties of insulating oils. For the correct choice of an electrical insulation oil, it is necessary to know its density, dynamic viscosity, dielectric ...
    • Diamond Films for Implantable Electrodes 

      Autor: Henychová , Petra; Hiřmanová , Klára; Vraný , Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Diamond is a promising material for implantable electrodes due to its unique properties. The aim of this work is to investigate the growth of boron-doped nanocrystalline diamond (B-NCD) films by plasma-enhanced microwave ...
    • The Electrification of Tramways in Ostrava in 1900–1901 

      Autor: Závodná , Michaela
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper focuses on the electrification of tramways in Ostrava in 1900-1901. As the administrative, economic and cultural centre of an evolving industrial agglomeration, Ostrava had specific transportation requirements. ...
    • Evaluation of Bioelectrical Impedance Spectroscopy for the Assessment of Extracellular Body Water 

      Autor: Weyer , Sören; Röthlingshöfer , Lisa; Walter , Marian; Leonhardt , Steffen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This study evaluates bioelectrical impedance spectroscopy (BIS) measurements to detect body fluid status. The multifrequency impedance measurements were performed in five female pigs. Animals were connected to an extracorporeal ...
    • Model of Customer Buying Behavior in the CZ Mobile Telecommunication Market 

      Autor: Grünwald , Ondrej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The Czech mobile telecommunication market constitutes an oligopoly of three operators, who have built a privileged position and effectively crush any competition. The entry of a new operator has been considered by the ...
    • A Taskdriven Grammar Refactoring Algorithm 

      Autor: Halupka , Ivan; Kollár , Ján; Pietriková , Emília
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper presents our proposal and the implementation of an algorithm for automated refactoring of context-free grammars. Rather than operating under some domain-specific task, in our approach refactoring is perfomed on ...
    • ESSO — Electrification of the Central Labe Districts between 1916 and 1950 

      Autor: Holovský , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Elektrárenský svaz stredolabských okresu, LLC (in English “The Power Plant Union of the Central Labe (Elbe)” districts, which will be referred to here as “ESSO”), came into existence in 1916 in response to growing interest ...
    • A Comparison of Power Quality Controllers 

      Autor: Černek , Petr; Brejcha , Michal; Hájek , Jan; Pígl , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper focuses on certain types of FACTS (Flexibile AC Transmission System) controllers, which can be used for improving the power quality at the point of connection with the power network. It focuses on types of ...
    • Simulation of a Matrix Converter Fed Drive With Sliding Mode Control 

      Autor: Bauer , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Induction machines are among the most widely used electrical-to-mechanical converters in electric drives. Their advantageous robustness and simplicity goes hand-in-hand with complicated control. A converter with a suitable ...
    • Development of an Ultralight with a Ducted Fan 

      Autor: Brabec , Jiří; Helmich , Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper introduces the UL-39 project, an ultralight aircraft with a ducted fan, and some of the problems that have arisen in the course of its development. Several problems with the design of a non-traditional aircraft ...
    • Flexible MultiElectrode Array for Medical Applications 

      Autor: Winkin , Nadine; Mokwa , Wilfried
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      A flexible multi-electrode array (MEA) with an embedded silicon chip for electrical stimulation of neurons or for recording action potentials has been manufactured and characterized. Possible improvements for medical ...
    • A Network Simulation Tool for Task Scheduling 

      Autor: Votava , Ondřej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Distributed computing may be looked at from many points of view. Task scheduling is the viewpoint, where a distributed application can be described as a Directed Acyclic Graph and every node of the graph is executed ...
    • Control Algorithms for Largescale Singleaxis Photovoltaic Trackers 

      Autor: Schneider , Dorian
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The electrical yield of large-scale photovoltaic power plants can be greatly improved by employing solar trackers. While fixed-tilt superstructures are stationary and immobile, trackers move the PV-module plane in order ...
    • Design Process of Energy Effective Shredding Machines for Biomass Treatment 

      Autor: Beniak , Juraj; Ondruška , Juraj; Čačko , Viliam
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The shredding process has not been sufficiently investigated for the design of better, energy and material saving shredding machines. In connection with present-day concern about the environment, ecology, energy saving, ...
    • A Study of Parameters Setting of the STADZT 

      Autor: Turoň , Václav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper deals with the new time-frequency Short-Time Approximated Discrete Zolotarev Transform (STADZT), which is based on symmetrical Zolotarev polynomials. Due to the special properties of these polynomials, STADZT ...
    • Hygiena 3 a Forgotten Project for Electrolytic Water Treatment 

      Autor: Drnek , Kryštof
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      In the interwar period, the city of Prague had to resolve the problem of treating the polluted water produced by its citizens. From 1933 - 1936 an ambitious competition was held. The idea behind the competition was to bring ...
    • Research Trends for PID Controllers 

      Autor: Visioli , Antonio
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper analyses the most significant issues that have been recently been addressed by researchers in the field of Proportional-Integral-Derivative (PID) controllers. In particular, the most recent techniques proposed ...
    • Accelerometerassisted PPG Measurement During Physical Exercise Using the LAVIMO Sensor System 

      Autor: Santos , Susana Aguiar; Venema , Boudewijn; Leonhardt , Steffen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      A method is presented for long-term monitoring of vital signs tested during physical exercise. The system is based on reflective photoplethysmography (PPG), whose main component is a micro-optoelectronic sensor. The sensor ...
    • Femoral Test Bed for Impedance Controlled Surgical Instrumentation 

      Autor: Brendle , Christian; Niesche , Annegret; Korff , Alexander; Radermacher , Klaus; Leonhardt , Steffen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The risk for patients during the standard procedure of revision of cemented artificial hip joints is unsatisfactorily highdue to its high level of invasiveness and limited access to the operative field. To reduce this risk ...
    • Overhead Line Mechanics Taking the Influence of Wind into Account 

      Autor: Müller , Miroslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper deals with problems of overhead line motion. The line model is based on a dynamic description of a catenary curve. The benefits of dynamic modeling in this field are decrypted, and there is an explanation of one ...