Procházení ČVUT - elektronické publikace dle data publikování
Zobrazují se záznamy 21-40 z 1904
-
Production of Biocellulosic Ethanol from Wheat Straw
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Wheat straw is an abundant lignocellulosic feedstock in many parts of the world, and has been selected for producing ethanol in an economically feasible manner. It contains a mixture of sugars (hexoses and pentoses).Two-stage ... -
Measurement of O2 in the Combustion Chamber of Apulverized Coal Boiler
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Operational measurements of the O2 concentration in the combustion chamber of a pulverized coal boiler are not yet common practice. Operators are generally satisfied with measuring the O2 concentration in the second pass ... -
FMEA and FTA Analyses of the Adhesive Joining Process using Electrically Conductive Adhesives
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper introduces a formulation of appropriate risk estimation methods that can be used for improving of processes in the electronics area. Two risk assessment methods have been chosen with regard to the specifics of ... -
Influence of the Surface Layer when the CMT Process Is Used for Welding Steel Sheets Treated by Nitrooxidation
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Nitrooxidation is a non-conventional surface treatment method that can provide significantly improved mechanical properties as well as corrosion resistance. However, the surface layer is a major problem during the welding ... -
Effect of Gas Mixture Composition on the Parameters of an Internal Combustion Engine
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper deals with the use of the internal combustion piston engine, which is a drive unit for micro-cogeneration units. The introduction is a brief statement of the nature of gas mixture compositions that are useful ... -
A Neural Network Model for Predicting NOx at the Mělník 1
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper presents a non-conventional dynamic neural network that was designed for real time prediction of NOx at the coal powder power plant Mělnik 1, and results on real data are shown and discussed. The paper also ... -
Use of Grasses and Mixtures of Grasses for Energy Purposes
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)As levels of agricultural productivity increase, there is also an increase in land area not utilized for food production. This area can be used for growing energy crops, including grasses. When land is set aside for grassing, ... -
Idealized Compression Ratio for a Screw Briquetting Press
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper deals with issues in determining the ideal compression ratio for a screw briquetting press. First, the principles of operation and a basic description of the main parts of a screw briquetting press are introduced. ... -
Utilization of Image Intensifiers in Astronomy
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)In this paper we present the properties of image intensifiers, used together with fast TV cameras for astronomical purposes within the MAIA project(Meteor Automatic Imager and Analyser, primarily focused on observing ... -
Accelerometer-assisted PPG Measurement During Physical Exercise Using the LAVIMO Sensor System
(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 ... -
ESSO — Electrification of the Central Labe Districts between 1916 and 1950
(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 Task-driven Grammar Refactoring Algorithm
(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 ... -
Integration of Autonomous UAVs into Multi-agent Simulation
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)In recent years, Unmanned Aerial Vehicles (UAVs) have attracted much attention both in the research field and in the field of commercial deployment. Researchers recently started to study problems and opportunities connected ... -
Overhead Line Mechanics Taking the Influence of Wind into Account
(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 ... -
Gated Graphene Electrical Transport Characterization
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Graphene is a very interesting new material, and promises attractive applications in future nanodevices. It is a 2D carbon structure with very interesting physical behavior. Graphene is an almost transparent material that ... -
Control Algorithms for Large-scale Single-axis Photovoltaic Trackers
(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 ... -
A Study of Parameters Setting of the STADZT
(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 ... -
Research Trends for PID Controllers
(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 ... -
The Intriguing Nature of the Cataclysmic Variable SS Cygni
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)The classification of SS Cyg as a dwarf nova (DN), a subclass of the non–magnetic (NM) cataclysmic variable (CV) has been considered by most of the community as well established because of a paper appeared in Nature (Bath ... -
A Study of the Properties of Electrical Insulation Oils and of the Components of Natural Oils
(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 ...