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Collection's Items (Sorted by Submit Date in Descending order): 1 to 14 of 14
Frank, Zdeněk , Laksar, Jan
Analytical design of coreless axial-flux permanent magnet machine with planar coils

This paper presents the design of an axial-flux permanent magnet (AFPM) generator with two rotors and one coreless stator with planar coils. This geometry has reduced the total mass of the generator and production demands of the machine. The geometry of the coreless AFPM machi...

Vinš, Martin , Dragoun, Jaroslav , Sirový, Martin
Energy storage technology and converter topology for primary frequency control in thermal power plant

Motivation and complex process of energy storage technology and converter topology design suitable for integration in thermal power plant systems to improve flexibility and primary frequency control is presented in the paper. The case study of typical thermal power plant is included and...

Vondráček, Petr , Pánek, Radomír , Hron, Martin , Havlíček, Josef , Weinzettl, Vladimír , Todd, Thomas Noel , Tskhakaya, David D. , Cunningham, Geoffrey , Háček, Pavel , Hromádka, Jakub , Junek, Pavel , Krbec, Jaroslav , Patel, Nisarg , Šesták, David , Varju, Jozef , Adámek, Jiří , Balázsová, Monika , Balner, Vojtěch , Bartoň, Petr , Bielecki, Jakub , Bílková, Petra , BŁocki, Jacek , Bocian, Dariusz , Bogár, Klara , Bogár, Ondřej , Boocz, Pavel , Borodkina, I. E. , Brooks, Arthur B. , Böhm, Petr , Burant, Jiří , Casolari, Andrea , Cavalier, Jordan , Chappuis, Phillippe , Dejarnac, Renaud , Dimitrova, Miglena , Dudák, Miloš , Ďuran, Ivan , Ellis, Robert A. , Entler, Slavomír , Fang, Jiarong , Farnik, Michal , Ficker, Ondřej , Fridrich, David , Fuková, Šárka , Gérardin, Jonathan , Hanák, Ivo , Havránek, Aleš , Herrmann, Albrecht , Horáček, Jan , Hronová, Olena , Imríšek, Martin , Isernia, Nicola , Jaulmes, Fabien , Jeřáb, Martin , Kindl, Vladimír , Komm, Michael , Kovařík, Karel , Kral, M. , Kripner, Lukáš , Macúšová, Eva , Majer, Tomáš , Markovič, Tomáš , Matveeva, Ekaterina , Mikszuta-Michalik, Katarzyna , Mohelnik, Martin , Mysiura, Illia , Naydenkova, D. I. , Němec, Ivan , Ortwein, Rafal , Patočka, Karel , Peterka, M. , Podolnik, A. , Procházka, F. , Převrátil, Jan , Řeboun, Jan , Scalerà, Valentino , Scholz, M. , Svoboda, J. , Świerblewski, Jacek , Šos, Miroslav , Tadros, Michael , Titus, Peter H. , Tomeš, Matěj , Torres, Andre , Tracz, Grzegorz , Turjanica, Pavel , Varavin, Mykyta , Veselovský, Viktor , Villone, Fabio , Wąchal, Przemysław , Yanovskiy, Vadim V. , Zadvitskiy, Georgiy V. , Zajac, Jaromír , Žák, Adam , Zaloga, Dobromil R. , Zelda, Jan , Zhang, Han
Preliminary design of the COMPASS upgrade tokamak

COMPASS Upgrade is a new medium size, high magnetic field tokamak (R = 0.9 m, Bt = 5 T, Ip = 2 MA) currently under design in the Czech Republic. It will provide unique capabilities for addressing some of the key challenges in plasma exhaust physics, advanced con...

Veg, Lukáš , Kaska, Jan , Skalický, Martin , Pechánek, Roman
A complex study of stator tooth-coil winding thermal models for PM synchronous motors used in electric vehicle applications

The operational reliability and high efficiency of modern electrical machines depend on the ability to transfer heat in the construction parts of the machine. Therefore, many authors study various thermal models and work on the development of effective heat dissipation. New insights and...

Jamshidi, Mohammad , Roshani, Saeed , Talla, Jakub , Roshani, Sobhan , Peroutka, Zdeněk
Size reduction and performance improvement of a microstrip Wilkinson power divider using a hybrid design technique

In the design of a microstrip power divider, there are some important factors, including harmonic suppression, insertion loss, and size reduction, which affect the quality of the final product. Thus improving each of these factors contributes to a more efficient design. In this res...

Roshani, Saeed , Jamshidi, Mohammad , Mohebi, Farzad , Roshani, Sobhan
Design and modeling of a compact power divider with squared resonators using artificial intelligence

We present the results of neutron detection in a laser plasma experiment with a CD2 nanowire target. A hybrid semiconductor pixel detector Timepix3 covered with neutron converters was used for the detection of neutrons. D–D fusion neutrons were detected in a polyethylene converter ...

Njawah Achiri, Humphrey Mokom , Šmídl, Václav , Peroutka, Zdeněk , Streit, Luboš
Least squares method for indentification of IGBT thermal impedance networks using direct temperature measurements

State-of-the-art methods for determining thermal impedance networks for IGBT (Insulated Gate Bipolar Transistor) modules usually involves the establishment of the relationship between the measured transistor or diode voltage and temperature under homogenous temperature distribution across the IGBT module. ...

Glac, Antonín , Šmídl, Václav , Peroutka, Zdeněk , Hackl, Christoph M.
Comparison of IPMSM parameter estimation methods for motor efficiency

Efficiency of an IPMSM motor is influenced by the operating point (OP) of the machine. The optimal operating point can be found by using either direct search methods or model-based methods. Model-based methods are sensitive to parameter uncertainties of the equivalent circuit of th...

Lalbakhsh, Ali , Alizadeh, Seyed Morteza , Ghaderi, Amirhossein H. , Golestanifar, Alireza R. , Mohamadzade, Bahare , Jamshidi, Mohammad , Mandal, Kaushik , Mohyuddin, Wahab
A design of a dual-band bandpass filter based on modal analysis for modern communication systems

A dual-band bandpass filter (BPF) composed of a coupling structure and a bent T-shaped resonator loaded by small L-shaped stubs is presented in this paper. The first band of the proposed BPF covers 4.6 to 10.6 GHz, showing 78.9% fractional bandwidth (FBW) at 7.6 GHz, and&...

Havelka, Antonín , Tichý, Miroslav , Soukup, Radek , Nagy, Ladislav
Application of hybrid heating textile structures in clothing for seniors

Active integral electronic elements in smart clothes can increase the utility value of the garment and the user's comfort. This article is primarily focuses on the comfort of clothing designed especially for the elderly, or people with impaired thermoregulatory capabilities. The research...

Zavřel, Martin , Kindl, Vladimír , Kavalír, Tomáš , Drábek, Pavel
Design and construction of high-quality capacitor for high frequency and power application

The paper proposes a design and construction of a special plated capacitor exhibiting very good high-frequency characteristics. The capacitor is designed to minimize the parasitic parameters like ESR (equivalent series resistance) and ESL (equivalent series inductance) and to be suitable for ...

Bhajana, V.V.S. Kumar , Drábek, Pavel , Thumma, Rajesh , Makireddi, Ramana
Improved bidirectional DC/CD converter configuration with ZVS for energy storage system: analysis and implementation

This study proposes a novel design of soft-switching based bidirectional converter for the applications in energy storage systems. By implementing an additional auxiliary circuit to the conventional non-isolated converter, the proposed converter inherits better efficiency with minimised turn-on losses....

Lalbakhsh, A. , Jamshidi, Mohammad , Siahkamari, Hesam , Ghaderi, Amirhossien , Golestanifar, Alireza , Linhart, Richard , Talla, Jakub , Simorangkir, Roy B.V.B. , Mandal, Kaushik
A compact lowpass filter for satellite communication systems based on transfer function analysis

This paper presents a very efficient design procedure for a high-performance microstrip lowpass filter (LPF). Unlike many other sophisticated design methodologies of microstrip LPFs, which contain complicated configurations or even over-engineering in some cases, this paper presents a straightforward ...

Jamshidi, Mohammad , Lalbakhsh, Ali , Talla, Jakub , Peroutka, Zdeněk , Hadjilooei, Farimah , Lalbakhsh, Pedram , Jamshidi, Morteza , La Spada, Luigi , Mirmozafari, Mirhamed , Dehghani, Mojgan , Sabet, Asal , Roshani, Saeed , Roshani, Sobhan , Bayat-Makou, Nima , Mohamadzade, Bahare , Malek, Zahra , Jamshidi, Alireza , Kiani, Sarah , Hashemi Dezaki, Hamed , Mohyuddin, Wahab
Artificial intelligence and COVID-19: deep learning approaches for diagnosis and treatment

COVID-19 outbreak has put the whole world in an unprecedented difcult situation bringing life around the world to a frightening halt and claiming thousands of lives. Due to COVID-19's spread in 212 countries and territories and increasing numbers of infected cases and death tol...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 14 of 14