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Model Identification and control of Electromagnetic Actuation in Continuous Casting Process With Improved Quality

IEEE/CAA Journal of Automatica Sinica 2023年第1期10卷 203-215页

作者： Isabela Birs Cristina Muresan Dana Copot Clara Ionescu Research Group of Dynamical Systems and Control Faculty of Engineering and ArchitectureGhent University and with EEDT Decision&ControlFlanders Make ConsortiumTech Lane Science Park 125 and 131B-9052 GhentBelgium.I.Birs the Automation Department Faculty of Automation and Applied InformaticsTechnical University of Cluj-NapocaRomania IEEE

This paper presents an original theoretical framework to model steel material properties in continuous casting line process. Specific properties arising from non-Newtonian dynamics are herein used to indicate the natural convergence of distributed parameter systems to fractional order transfer function models. Data driven identification from a real continuous casting line is used to identify model of the electromagnetic actuator device to control flow velocity of liquid steel. To ensure product specifications, a fractional order control is designed and validated on the system. A projection of the closed loop performance onto the quality assessment at end production line is also given in this paper.

关键词： Electromagnetic actuator fractional order control fractional order system model non-Newtonian material

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DC motors and servo-motors controlled by Raspberry Pi 2B 21

DC motors and servo-motors controlled by Raspberry Pi 2B

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21st International Conference on Circuits, Systems, Communications and Computers, CSCC 2017

作者： Šustek, Michal Marcaník, Miroslav Tomášek, Pavel Úředníček, Zdeněk Tomas Bata University Faculty of Applied Informatics Department of Automation and Control Engineering Zlín76005 Czech Republic

The expanding capabilities of today's microcontrollers and other devices lead to an increased utilization of these technologies in diverse fields. The automation and issue of remote control of moving objects belong to these fields. In this project, a microcontroller Raspberry Pi 2B was chosen for controlling DC motors and servo-motors. This paper provides basic insight into issue of controlling DC motors and servo-motors, connection between Raspberry and other components on breadboard and programming syntaxes for controlling motors in Python programming language. © The Authors, published by EDP Sciences, 2017.

关键词： DC motors

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Decoupled control of two tank system via algebraic μ-synthesis

Decoupled control of two tank system via algebraic μ-synthe...

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2007 Mediterranean Conference on control and automation, MED

作者： Dlapa, M. Department of Automation and Control Engineering Faculty of Applied Informatics Tomas Bata University in Zlin Zlín Czech Republic

ISBN: (纸本)142441282X

The paper deals with design of a robust controller via algebraic μ-synthesis for two tank system, which is a well known benchmark problem. The controller is designed by decoupling two-input two-output system into two identical SISO (Single-Input Single-Output) plants. The task of designing the robust controller is then performed by finding a suitable pole placement for the SISO systems with the robustness assessed by structured singular value denoted μ for generalized plant. The final controller is compared with D-K iteration as a standard tool for μ-synthesis through simulation for nominal plant and plant perturbed by the worst case perturbation. © 2007 IEEE.

关键词： controllers

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Effect of implementation quadruple glazing panel into the walls on the airborne sound insulation of building facades 21

Effect of implementation quadruple glazing panel into the wa...

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21st International Conference on Circuits, Systems, Communications and Computers, CSCC 2017

作者： Drabek, Pavel Tomas Bata University in Zlin Faculty of Applied Informatics Department of Automation and Control Engineering Nad Stranemi4511 Czech Republic

Noise is one of the major national problems for decades. In the case of buildings, this concernment has become an issue when building structures are becoming lighter and lighter in weight. This approach does not only caused difficulties with poor sound insulation but also meant heat accumulation problems. This is due to the fact that commonly used lightweight construction materials are not able to absorb too much heat energy like massive constructions did. Production and implementation companies are trying to avoid these ailments by implementing accumulation materials into the buildings most frequently in the form of panels. A subject of this paper is to study the effect of implementation one type of facade system into the perimeter walls on the airborne sound insulation of building facades. The research is dedicated to the quadruple glazing panel which is a translucent wall element without any mechanical components or electronic devices. © The Authors, published by EDP Sciences, 2017.

关键词： Sound insulation

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From News to Summaries: Building a Hungarian Corpus for Extractive and Abstractive Summarization 30

From News to Summaries: Building a Hungarian Corpus for Extr...

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Joint 30th International Conference on Computational Linguistics and 14th International Conference on Language Resources and Evaluation, LREC-COLING 2024

作者： Barta, Botond Lakatos, Dorina Nagy, Attila Nyist, Milán Konor Ács, Judit HUN-REN Institute for Computer Science and Control Hungary Department of Automation and Applied Informatics Budapest University of Technology and Economics Hungary

ISBN: (纸本)9782493814104

Training summarization models requires substantial amounts of training data. However for less resourceful languages like Hungarian, openly available models and datasets are notably scarce. To address this gap our paper introduces HunSum-2 an open-source Hungarian corpus suitable for training abstractive and extractive summarization models. The dataset is assembled from segments of the Common Crawl corpus undergoing thorough cleaning, preprocessing and deduplication. In addition to abstractive summarization we generate sentence-level labels for extractive summarization using sentence similarity. We train baseline models for both extractive and abstractive summarization using the collected dataset. To demonstrate the effectiveness of the trained models, we perform both quantitative and qualitative evaluation. Our dataset, models and code are publicly available, encouraging replication, further research, and real-world applications across various domains. © 2024 ELRA Language Resource Association: CC BY-NC 4.0.

关键词： abstractive summarization extractive summarization Hungarian

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Robust controller Design with Two-Degree-of-Freedom Feedback Loop Factorization for Oscillating Plant with Uncertain Time Delay

Robust Controller Design with Two-Degree-of-Freedom Feedback...

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2023 International Conference on control, automation and Diagnosis, ICCAD 2023

作者： Dlapa, Marek Tomas Bata University in Zlin Faculty of Applied Informatics Department of Automation and Control Engineering Zlin760 05 Czech Republic

ISBN: (纸本)9798350347074

Application of Robust control Toolbox for Time Delay Systems implemented in the Matlab system to the oscillating plant with uncertain time delay using the D-K iteration and algebraic approach. The algebraic approach combines the structured singular value, algebraic theory and algorithm of global optimization solving remaining issues in structured singular value framework. The algorithm of global optimization can be alternated with direct search methods such as Nelder-Mead simplex method giving solutions for problems with one local extreme. As a global optimization method, Differential Migration is used proved to be reliable in solving this type of problems. The D-K iteration represents a standard method in the structured singular value theory. The results obtained from the D-K iteration are compared with the algebraic approach. © 2023 IEEE.

关键词： Global optimization

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Comparison of two internationally recognized methods for determining the sound absorption coefficient 21

Comparison of two internationally recognized methods for det...

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21st International Conference on Circuits, Systems, Communications and Computers, CSCC 2017

作者： Drabek, Pavel Tomas Bata University in Zlin Faculty of Applied Informatics Department of Automation and Control Engineering Nad Stranemi4511 Czech Republic

With today's growing focus on noise control issues and the emergence of sound quality as an important aspect of product design, acoustic material testing is becoming increasingly relevant to engineers, designers and manufacturers from a broad range of industries. Acoustic material testing is the process by which acoustic characteristics of materials are determined in terms of absorption, reflection, impedance, admittance and transmission loss. Many different methods can be used to determine the acoustic properties of materials. There are standing wave method, two-microphone free field and multimicrophone techniques, reverberation chamber method, in-situ methods and many other alternative methods based on measurement of internal properties of porous materials. The point is that some methods are preferred over others because the environment in which they are measured is closer to real practice. The article deals with the comparison of the results of the measurement in the reverberation chamber and in the interferometer. © The Authors, published by EDP Sciences, 2017.

关键词： Materials testing

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Experiences with basic control course supported by matlab/simulink exercises

Experiences with basic control course supported by matlab/si...

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10th IFAC Symposium on Advances in control Education, ACE 2013

作者： Kalave, Eniko Kósáné Bézi, István Bars, Ruth Institute of Physics University of Debrecen Debrecen Hungary Department of Automation and Applied Informatics Budapest University of Technology and Economics Budapest Hungary Department of Automation and Applied Informatics MTA-BME Control Engineering Research Group Budapest University of Technology and Economics Budapest Hungary

ISBN: (纸本)9783902823434

A basic control course is taught for electrical engineering students at the University of Debrecen, Hungary. Through two semesters the students get a basic knowledge on control concepts. Every week there are 2 hours of theoretical lectures immediately followed by 2 hours of MATLAB based interactive computer laboratories. In the curriculum besides the conventional material new aspects of control design such as Youla parametrization have also been included. Practical considerations as e.g. controller saturation are also dealt with. The paper reviews briefly the curriculum and the educational process of this program. © IFAC.

关键词： Curricula

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Thermoelectric cooling in combination with photovoltaics and thermal energy storage 21

Thermoelectric cooling in combination with photovoltaics and...

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21st International Conference on Circuits, Systems, Communications and Computers, CSCC 2017

作者： Skovajsa, Jan Zálešák, Martin Tomas Bata University in Zlin Faculty of Applied Informatics Department of Automation and Control Engineering Nad Stranemi 4511 Zlin Czech Republic

The article deals with the use of modern technologies that can improve the thermal comfort in buildings. The article describes the usage of thermal energy storage device based on the phase change material (PCM). The technology improves the thermal capacity of the building and it is possible to use it for active heating and cooling. It is designed as a "green technology" so it is able to use renewable energy sources, e.g., photovoltaic panels, solar thermal collectors, and heat pump. Moreover, an interesting possibility is the ability to use thermal energy storage in combination with a photovoltaic system and thermoelectric coolers. In the research, there were made measurements of the different operating modes and the results are presented in the text. © The Authors, published by EDP Sciences, 2017.

关键词： Thermal energy

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Non-stationary behavior of roof drainage systems 21

Non-stationary behavior of roof drainage systems

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21st International Conference on Circuits, Systems, Communications and Computers, CSCC 2017

作者： Koláček, Martin Tomas Bata University in Zlin Faculty of Applied Informatics Department of Automation and Control Engineering Nad Stranemi 4511 Zlin Czech Republic

This paper reports the non-stationary behavior of a roof drainage during experimental measurement in the climate simulator. Many buildings use a fully or partially flat roof where it is necessary to use the roof drainage. Thermal behavior of roof drainage is very important from the point of view of heat transfer and potential condensation. The placement of a roof drain slightly deteriorates thermal transmittance of the roof. This experiment evaluates roof drains in the specific climate simulator where thermal conditions were dynamically controlled in the specific temperature range. The measurement was performed for two types of roof drains. The first drainage is a simple single-shell and the second is double-shell drainage. The results show the effect on the thermal transmittance of the roof section and also the minimal effect of condensation on the non-insulation part of the drainage. Both roof drains showed minimal deterioration of thermal transmittance of the roof construction. © The Authors, published by EDP Sciences, 2017.

关键词： Drainage

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