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Záznamy kolekce (řazeno podle Datum zaslání v sestupně pořadí): 41 až 60 z 61
Inapurapu, Srimai , Ravindra, Jvr
NEON: Near-accurate efficient FIR Filter for ultra low-power applications

Low-power dissipation is an imperative requirement in the design of an efficient Digital Signal Processing system which is employed in many multimedia applications such as image and video processing. Finite Impulse Response (FIR) filter is indispensable in the design of several such Dig...

Chang, Paul , He, Yi-Lin
Study of failure mode, effect and Criticality Analysis

As machining tool systems become increasingly more complicated, the improvement of system scale and functions, increases the probability of system failure. To avoid human injuries caused by system failure, improve system reliability, and enhance the management of system failure and risk cont...

Hofmann, Gerhard , Georgiev, Vjačeslav
Using VHDL-AMS to simulate aging behavior of electronic components

Reliability of electronics is in the automotive industry very important. The average age of cars in Germany was 9 years at 2015.i Normally the life time is evaluated by the environmental test according ISO 16750. The content of this paper is to contribute that computer si...

Heigl, Michael , Schramm, Martin , Doerr, Laurin , Grzemba, Andreas
Embedded plug-in devices to secure industrial network communications

With Ethernet as an ubiquitous technology also emerging in industrial networks, security is becoming one of the most important aspects. Whereas IT-networks together with their security features in the office domain are subject of a dynamic change, networks in the industrial environment ...

Eichler, Jakub , Novák, Miroslav , Košek, Miloslav
Experimental-numerical method for identification of weighting function in Preisach model for ferromagnetic materials

The Preisach model weighting function is given by partial derivations of a measured magnetic flux density that leads to high errors. Therefore other methods of the weighing function estimation are used frequently. In order to verify the direct approach the extended experiment was m...

Eider, Markus , Kunze, Stefan , Dorner, Wolfgang
A customizable software tool for Hardware in the Loop tests

In this paper an automated, software-based and easy to customize test tool for Hardware in the Loop (HIL) measurements is proposed. This system is originally designed for the test of a thermal power station control system. Due to its modular approach it may also be custom...

Dobiáš, Martin , Šťastný, Jakub
Movement EEG classification using parallel Hidden Markov Models

In this contribution we examine the use and utility of parallel HMM classification in single-trial movement-EEG classification of index finger reaching and grasping movement. Parallel HMMs allow us to easily utilize the information contained in multiple channels. Using HMM classifier output ...

Delshad, Majid , Harchegani, Amir Torki , Karimi, Mojtaba , Mahdavi, Mohammad
A new ZVT Multi Input Converter for hybrid sources systems

Renewable energy sources such as wind and solar energy sources are unreliable in different weather conditions to provide constant output voltage. So the concurrent use of different input sources is inevitable to provide a constant load. The use of a Multi-Input Converters (MICs) in...

Crha, Jakub , Ťuha, Ondřej , Mareš, Jan , Procházka, Aleš
Navigation of robotic platform for gait disorders monitoring

This paper is focused on control of a six-wheeled robotic platform used for gait pattern recording. Navigation of the platform has to be very precise to keep the path of the platform as narrow as possible and to maintain the distance between the subject and the platf...

Cetin, Sevilay , Astepe, Alparslan
A phase shifted full bridge converter design for electrical vehicle battery charge applications based on wide output voltage range

In this study, high efficiency design procedure of a phase shifted full bridge (PSFB) converter is presented for on-board electrical vehicle (EV) battery charger. Presented design methodology used lithium-ion battery cells because of their high voltage and current rates compared to a le...

Černý, Jan , Masopust, Jiří
Long Term Evolution networks planning

This work deals with 4 th Generation Long Term Evolution (LTE) standard for mobile telecommunication. LTE comes with new approaches how to increase speed and stability of wireless data transmission. Planning these networks involves many complex tasks, therefore advanced software tools are&#x...

Brychcín, Jiří , Košan, Tomáš , Janík, Dušan , Peroutka, Zdeněk
Simulation and control of FLC converters for UPS systems

This paper is focused on simulation of the diesel or gas electric central, which is used for uninterruptible power supply (UPS) with permanent magnet synchronous generator (PMSG) and flying capacitor converters (FLC).

Brtník, Bohumil , Matoušek, David
The flow graph usage for the attenuation correction of the low-pass Sallen-Key biquad in the current mode

The second order Sallen-Key low-pass filter structures (so called biquads) in the voltage and the current mode have one common disadvantage. This is a decreasing of the attenuation at high frequencies, because active elements exhibit losses of the amplification. While some solutions for...

Brtník, Bohumil , Matoušek, David
Solving BJT circuits by Nodal Voltage Method with application of diakoptical method

Bipolar transistor circuits are usually solved by their h-parameters description. However, for circuit solutions are commonly used Nodal Voltage Method based on the y-parameters. Therefore it is necessary to convert these h-parameters (hybrid parameters) to y-parameters (admittance parameters) firstly....

Broulím, Jan , Moldaschl, Jan , Georgiev, Vjačeslav
A programmable voltage source with high speed current feedback protection

In this paper we propose a design of a programmable voltage source with high speed current feedback for disconnecting the electronics when the over current occurs. Short circuits may occur in electronics used in ionizing radiation environment because of Single Event Effects (SEEs) ...

Blahník, Vojtěch , Talla, Jakub
Study of 3.3 MW voltage-source active rectifier

This paper deals with the behavior and stability of three-phase voltage-source active rectifier with rated power 3.3 MW. This high-power converter is connected to power grid via transformer and input clean power filter. The main purpose of the article is check the stability of ...

Blahník, Vojtěch , Talla, Jakub
Single-phase synchronization for traction active rectifier

This paper introduces the advanced synchronization method second order general integrator phase locked loop modified especially for voltage synchronization exclusively for traction active rectifier. Designed synchronization is characterized by resistance to interfaces and especially quick response to frequency&...

Bláha, Štěpán , Komrska, Tomáš , Šmídl, Václav , Glasbergerová, Vendula , Peroutka, Zdeněk
Multi-harmonic LQ control of single-phase converter with LCL filter

Control of single-phase converters connected to the grid via an LCL filter is a demanding issue due to risk of oscillations. A linear-quadratic (LQ) controller enabling besides standard pure sine control also a multi-harmonic current reference is proposed in the paper. Such a desig...

Benabid, Sorore , Belbachir, Assia
Smart Communication for cooperative Wireless Sensor Network

Several embedded systems use Wireless Sensor Network (WSN) to monitor an area. However, efficient robust and reliable communication between sensors is hard to achieve. Thus, in this paper we focus on exploration area and we propose a new cooperative strategy. This strategy is based...

Michal, Vratislav , Cottin, Denis , Arno, Patrik
Boost DC/DC converter nonlinearity and RHP-zero: Survey of the control-to-output transfer function linearization methods

This invited paper is dedicated to both the nonlinear behavior of a step-up DC/DC converter, and to its linearization. It explains the nonlinear DC and AC control-to-output transfer function and its RHP-zero. The explanation is based on linearized models developed in the paper....

Záznamy kolekce (řazeno podle Datum zaslání v sestupně pořadí): 41 až 60 z 61