Články / Articles (RICE) Collection home page

Browse
Subscribe to this collection to receive daily e-mail notification of new additions RSS Feed RSS Feed RSS Feed
Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 123
Faraji, Jamal , Ketabi, Abbas , Hashemi Dezaki, Hamed , Shafie-Khah, Miadreza , Katalao, Joao P.S.
Optimal day-ahead self-scheduling and operation of prosumer microgrids using hybrid machine learning-based weather and load forecasting

Prosumer microgrids (PMGs) are considered as active users in smart grids. These units are able to generate and sell electricity to aggregators or neighbor consumers in the prosumer market. Although the optimal scheduling and operation of PMGs have received a great deal of attention...

Faraji, Jamal , Hashemi Dezaki, Hamed , Ketabi, Abbas
Multi-year load growth-based optimal planning of grid-connected microgrid considering long-term load demand forecasting: A case study of Tehran, Iran

Although much efforts have been devoted to the optimal design of the energy systems, there is a research gap about the multi-year load growth-based optimal planning of microgrids. This paper tries to fill such a research gap by developing a novel method for the optimal de...

Bergmann, Benedikt L. , Billoud, Thomas R.V. , Burian, Petr , Leroy, Claude , Mánek, Petr , Meduna, Lukáš , Pospíšil, Stanislav , Suk, Michal
Particle tracking and radiation field characterization with Timepix3 in ATLAS

Four hybrid pixel detectors of Timepix3 technology, installed in the ATLAS experiment, were continuously taking data from April 2018 until the end of the Run-2 data taking period (December 2019). These detectors are synchronized with each other and the LHC orbit clock. They are...

Švarný, Jiří
Reliable digital dead-time generatorfor the GaN HEMTs based H-bridge converters

The paper deals with hardware solution of a fully digital dead-time generator. The circuit is applicable to the H-bridges based on any type of semiconductor switching devices including SiC, IGBT, Si-MOSFET and up-to-date GaN HEMTs. The generation of dead-times is ensured by commercially...

Justa, Josef , Šmídl, Václav , Hamáček, Aleš
Fast AHRS filter for accelerometer, magnetometer and gyroscope combination with separated sensor correstions

A new predictor–corrector filter for attitude and heading reference systems (AHRS) using data from an orthogonal sensor combination of three accelerometers, three magnetometers and three gyroscopes is proposed. The filter uses the predictor—corrector structure, with prediction based on gyroscopes and&...

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. ...

Bergmann, Benedikt, Ludwig , Azzarello, Philipp , Broulím, Pavel , Burian, Petr , Meduna, Lukáš , Paniccia, Mercedes , Perrina, Chiara , Pospíšil, Stanislav , Tlustos, Lukáš , Wu, X.
Detector response and performance of a 500 μm thick GaAs attached to Timepix3 in relativistic particle beams

The performance and response of a Timepix3 detector with a 500 μm thick GaAs:Cr sensor layer was investigated in different radiation fields. The sensor resistivity was ρ 109 Ω cm. Fitting different modified Hecht functions, which take the small pixel effect into account, the m...

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&...

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...

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...

Kuchanskyy, Vladislav , Satyam, Paul , Rubanenko, Olena , Hunko, Iryna
Measures and technical means for increasing efficiency and reliability of extra high voltage transmission lines

Electromagnetic transients are considered in the implementation of three-phase automatic reclose on the transmission line of extra high voltage 750 kV. The influence of automatic shunting of phases and pre-insertion active resistance for limiting the characteristics of the aperiodic component of&...

Wang, Kaizheng , Wang, Feipeng , Shen, Zijia , Lou, Ziyi , Han, Qiuhuang , Li, Jian , Trnka, Pavel , Rozga, Pawel
Breakdown and streamer behavior in homogeneous synthetic trimethylolpropane triesters insulation oil

A new method, which involves the addition of alkaline Al2O3 (3 wt%) and activated clay (5 wt%) as adsorbents for homogeneous synthetic trimethylolpropane triesters (TME), is reported here to not only improve electrical properties but also to shed light on future volume production. ...

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 ...

Urban, Ondřej , Vavroch, Ondřej , Poláček, Libor , Georgiev, Vjačeslav , Burian, Petr , Turjanica, Pavel , Fiala, Pavel , Broulím, Pavel , Bergmann, Benedikt
Hodoscope with Timepix detectors for PilsenCube2 cubesat

The contribution describes the design of Timepix-based hodoscope for cubesat applications, such as Pilsen-Cube2, developed by the University of West Bohemia. The hodoscope is composed of two Timepix detectors with silicon thickness of 300 μm, placed in back-to-back arrangement and rotated re...

Faraji, Jamal , Ketabi, Abbas , Hashemi Dezaki, Hamed
Optimization of the scheduling and operation of prosumers considering the loss of life costs of battery storage systems

The deployment of the energy storage systems by prosumers is steadily growing due to uncertainties of renewable energy resources. There is a knowledge gap about the techno-economic analysis of the loss of life (LOL) cost of the battery storage systems (BSSs) in the optimal day...

Broulím, Jan , Broulím, Pavel , Campbell, Michael , Georgiev, Vjačeslav , Holík, Michael , Kunstmüller, Petr , Pavlíček, Vladimír , Pospíšil, Stanislav , Vavroch, Ondřej , Vlášek, Jakub , Zich, Jan
A concept for spatially and time correlated single event effect detection in semiconductors using Timepix type pixel detectors

Single Event Effects (SEE), caused generally by single energetic particles, pose an important issue when implementing electronics in a harsh radiation environment. In this work, we present an electronic system for measuring SEEs temporally and spatially correlated with Timepix3 detectors. The...

Hornak, Jaroslav , Kadlec, Petr , Polanský, Radek
Halloysite nanotubes as an additive to ensure enhanced characteristics of cold-curing epoxy resins under fire conditions

At present, the most commonly used electrical insulating materials, including cold-curing epoxy resins, are well designed for normal operating conditions. However, new generations of materials should also be capable of withstanding extreme emergency conditions, e.g., in case of fire. For this...

Juřík, Martin , Šmídl, Václav , Mach, František
Trade-off between resolution and frame rate of visual tracking of mini-robots on an experimental planar platform

Accurate and fast visual localization is required in many applications of mini-robotics. Obtaining the best possible result fora given platform requires a balanced combination of camera settings and efficient image processing of the acquired image. Inthis paper, we study the trade-off betwee...

Hashemi Dezaki, Hamed , Rubanenko, Oleksandr , Hryshchuk, Maksym , Rubanenko, Olena
Optimal techno-economic sequence-based set of diagnostic tests for distribution transformers using genetic algorithm

The diagnostic measurement and tests of transformers are essential. Also, the costs of diagnostic tests are considerable. Hence, proposing a method to determine an economic-technical sequence-bases set of diagnostic tests for transformers is useful and interesting. In this paper, a new metho...

Závorka, Jiří , Svobodová, Miroslava , Mikoláš, Pavel , Vimpel, Jan , Sprinzl, Daniel , Lovecký, Martin
Solution of full-core VVER-440 PK-3+calculation benchmark by serpent

This work deals with the updated reference solution of the Full-Core VVER-440 PK-3+ benchmark which is based on the extended calculation benchmark from 2018. [1] The modification consists of a new type of fuel assembly with PK-3 design in the loading pattern. The main aim ...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 123