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Actuator; Flexible connection; Resonant frequency; Antiresonant frequency. (1)
Advanced Process Control; Control system; PID controller; self tuning; PLC; visualization. (1)
Feedforward control; actuator; accuracy (1)
Holmium thin films; electrical resistance; low temperatures; Néel temperature; X- ray diffraction. (1)
Large scale integration circuit; very large scale integration circuit; integrated circuit; memory component; program equipment; telecommunication system. (1)
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Aproximadamente 18 registro(s) hasta el momento: (journal)

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An Introduction to Feedforward Control of Electric Drives
Malek, Michal - Makys, Pavol - Stulrajter, Marek

Formato:	,
Enlaces:	The field of electric drives provides a broad spectrum of applications with different power demands, utilized motor types or different environment requirements. Lot of applications are characterized by very high demands on accuracy and dynamic properties and have attribute of…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Fiber Optical Sensor for High Temperatures
Hanacek, Frantisek; Site Administrator - Latal, Jan - Koudelka, Petr - Skapa, Jan - Siska, Petr - Vasinek, Vladimir - Hurta, Jan

Formato:	,
Enlaces:	The fiber optic sensors are used in various industries. Advantages of optical sensors are based on the benefits of fiber and partially profit at their technological advances. The fiber optic temperature sensors are based on more than one way of…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Influence of Magnetic Field on Electric Charge Trasport in Holmium Thin Film at Low Temperature
Dudas, Jan - Gabani, Stanislav - Bagi, Jozef - Goscianska, Iwona - Hodulikova, Anna

Formato:	,
Enlaces:	High precision electrical resistance measurements were performed in the low temperature range from 4.2 K up to room temperature on a holmium bulk sample, and on holmium thin films in magnetic field. The X-ray diffraction of Ho films confirmed their preferential crystal…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Binary Modulation Formats in Optical Access Networks
Tejkal, Vladimir - Filka, Miloslav - Reichert, Pavel - Sporik, Jan

Formato:	,
Enlaces:	In this paper the binary modulation formats and their application in passive optical networks have been discussed. Passive optical networks are characterized by dividing the optical signal between several end users by using passive splitters, which added a significant attenuation…
Fecha:	2010-12-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Attacks to Cryptography Protocols of Wireless Industrial Communication Systems
Ondrasina, Tomas - Franekova, Maria

Formato:	,
Enlaces:	The paper deals with problems of safety and security principles within wireless industrial communication systems. First safety requirements to wireless industrial communication system, summarisation of attack methods and the available measures for risks elimination are described with orientation to safety…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Security Risks in IP Telephony
Rezac, Filip; Proofreader - Voznak, Miroslav

Formato:	,
Enlaces:	This paper deals with VoIP communication security and various techniques of VoIP attacks. We divided these threats in several categories according to their specific behaviour and their impact on the affected system. We also tried to find effective methods to…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Power System for Intelligent House
Jahelka, Michal

Formato:	,
Enlaces:	Power supply of intelligent houses or house phones is possible to do with standard transformer with voltage stabilizer or with intelligent power supply. Standard solution can has as a result of failure fuse blown or fire occurrence. Intelligent power supply…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Delay Variation Model with Two Service Queues
Rezac, Filip; Proofreader - Voznak, Miroslav - Hromek, Frantisek

Formato:	,
Enlaces:	Delay in VoIP technology is very unpleasant issue and therefore a voice packets prioritization must be ensured. To maintain the high call quality a maximum information delivery time from the sender to the recipient is set to 150 ms. This…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

Spectral Subtractive Type Speech Enhancement Methods
Verteletskaya, Ekaterina - Simak, Boris

Formato:	,
Enlaces:	In this paper spectral subtractive method and some of its modification are compared. Performance of spectral subtraction, its limitations, artifacts introduced by it, and spectral subtraction modifications for eliminating these artifacts are discussed in the paper in details. The algorithms…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

10.

Current Condition in the Transport Telematics
Mikulski, Jerzy; Silesian University of Technology, Katowice - Kedziora, Kacper

Formato:	,
Enlaces:	The term “telematics”, which originated more than ten years ago, stands for integration of technologies and solutions from the field of telecommunication, automation and computer science. Telematics is the combination of words “tele” (transfer at some distance, remote access) and…
Fecha:	2010-12-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

11.

The Software Reliability of Large Scale Integration Circuit and Very Large Scale Integration Circuit
Ganiyev, Artem - Vitasek, Jan

Formato:	,
Enlaces:	This article describes evaluation method of faultless function of large scale integration circuits (LSI) and very large scale integration circuits (VLSI). In the article there is a comparative analysis of factors which determine faultless of integrated circuits, analysis of already…
Fecha:	2010-06-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

12.

Introduction to Feedforward Control of Electric Drives - Rules and Limits
Malek, Michal - Makys, Pavol - Stulrajter, Marek

Formato:	,
Enlaces:	Electric servodrives are characterized by precise tracking and its derivations. The way to meet this goal cost them a number of obstacles, whether variations associated with end-stage of astatism, changes in the positioning system parameters or to changes in load…
Fecha:	2010-12-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

13.

Short-Term Load Forecast in Electric Energy System in Bulgaria
Asenova, Irina - Georgiev, Dimitar

Formato:	,
Enlaces:	As the accuracy of the electricity load forecast is crucial in providing better cost effective risk management plans, this paper proposes a Short Term Electricity Load Forecast (STLF) model with high forecasting accuracy. Two kind of neural networks, Multilayer Perceptron…
Fecha:	2010-12-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

14.

The Applications for the Calculation and Optimization of Passive Optical Networks Attenuation Characteristics
Lafata, Pavel - Vodrazka, Jiri

Formato:	,
Enlaces:	The passive optical networks represent modern and promising solution to meet the increasing demands on the transmission speed in access networks. These optical networks consist only of passive optical components, essential role play mainly the passive optical splitters. Therefore, it…
Fecha:	2010-06-30
Recurso:	Advances in Electrical and Electronic Engineering

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15.

The Study of Sensory Properties of Quasi-Singlemode Fiber
Koudelka, Petr; Department of Telecommunications Faculty of Electrical Engineering and Computer Science VSB-TU Ostrava 17. listopadu 15/2172 708 33 Ostrava-Poruba Czech Republic - Latal, Jan - Siska, Petr - Hanacek, Frantisek - Skapa, Jan - Vasinek, Vladimir

Formato:	,
Enlaces:	The quasi-singlemode fibers are optical fibers with unique properties, the atypical profile structure allows the simultaneous use of optical fiber as transmission media and sensors, based on the distribution of optical power among several modes. In collaboration with the ASČR…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

16.

Sampling Rate Conversion
Vitasek, Jan; Layout Editor

Formato:	,
Enlaces:	The topic of this article is conversion of the signal with given sampling frequency to signal with another sampling rate. The task is to change the sampling rate from fvz3=500Hz to fvz4=360Hz. There are two methods; in the text are called…
Fecha:	2010-03-31
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

17.

Utilization Asterisk for Service Desk
Vychodil, Jiri - Tomala, Karel - Voznak, Miroslav

Formato:	,
Enlaces:	Article discusses our established Service Desk, which was created to help and facilitate the work of a wide sector of users. To reduce costs in small and large institutions rather than traditional PBX solutions, the use Voice over IP (VoIP)…
Fecha:	2010-09-30
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

18.

Self Tuning Techniques on PLC Background and Control Systems With Self Tuning Methods Design
Kocian, Jiri - Koziorek, Jiri

Formato:	,
Enlaces:	Advanced Process Control techniques have become standard functions of distributed control systems. Self tuning methods belong to Advanced Process Control (APC) techniques. APC techniques contain software packages for advanced control based on mathematical methods. APC tools are designed to increase…
Fecha:	2010-06-30
Recurso:	Advances in Electrical and Electronic Engineering