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IEEE International Conference on Power Electronics and Motion Control

作者： Lilla Litvani Janos Hamar Dept. of Automation and Applied Informatics Budapest University of Technology and Economics

ISBN: (纸本)9781538641996

This paper introduces a new five level resonant DC/DC converter and examines its operation in steady-state symmetrical conditions in discontinous current conduction mode. The converter has four outputs, which can provide four equivalent voltage levels or four different ones as well. It has several advantages such as improved performance at high efficiency and lower EMI. By using this converter, zero voltage and zero current switching is possible which helps reducing the swtiching losses. The most important relations among the input, output, and control variables will be derived and verified by simulation results. Three control variables will be examined in the paper, switching angle α_p[°], capacitor peak voltage V_c~* [pu] and switching frequency f_s~* [pu]. Parameters V_c~* and α_p are dependent variables, while f_s is independent of them. This converter can be applied in UPS systems or in multi-level inverter drives as well.

关键词： INPUT-OUTPUT Converters step-down converter dependent variables Plutonium zero voltage current zero zero current switching FREQUENCY/SEVERITY

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Effective navigation in narrow areas: A planning method for autonomous cars

Effective navigation in narrow areas: A planning method for ...

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International Symposium on applied Machine Intelligence and informatics (SAMI)

作者： Domokos Kiss Dávid Papp Department of Automation and Applied Informatics Budapest University of Technology and Economics

ISBN: (纸本)9781509056569

Development of driverless road vehicles is one of the most active research areas of robotics today. Path planning among obstacles is one of the challenging problems to be solved in order to achieve autonomous navigation. In this paper we present a geometric path planning approach for car-like robots, intended for generating good quality paths even in cluttered environments containing narrow areas. The presented planner is designed to cope with situations which need nontrivial maneuvering between obstacles. The resulting paths are similar to those a human driver would find and have continuous curvature profile, which makes them appropriate for application on real cars. A comparative analysis of our method with possible alternatives in the literature is presented to illustrate its effectiveness regarding path quality and computation time.

关键词： Planning Automobiles Robots Path planning Turning Navigation

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The analysis of participatory computing in dynamic web environments

The analysis of participatory computing in dynamic web envir...

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International Symposium on applied Machine Intelligence and informatics (SAMI)

作者： László Viktor Jánoky Péter Ekler Department of Automation and Applied Informatics Budapest University of Technology and Economics Budapest Hungary

ISBN: (纸本)9781509056569

Participatory Computing is the concept of a group of computers contributing processing power and storage to form a larger, distributed computing system. Past experiences show that a system of this type can reach performance rivaling the fastest supercomputers in the world. In theory, any connected modern PC could participate and yet the prevalence of these systems is not comparable to their potential numbers. In this paper, we analyze the main barriers ahead the larger adaptation of participatory systems and propose solutions around them. Ultimately by applying these solutions we prove their workability by showing and evaluating a proof-of-concept system and measurements related to it. The proposed results can offer several advantages in the field of participatory computing where the new technologies are applied.

关键词： Computer applications Distributed processing Java Computers informatics Distributed computing Scalability

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Application Dependent Optimization of Balancing Methods for Lithium-ion Batteries

Application Dependent Optimization of Balancing Methods for ...

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IEEE International Conference on Power Electronics and Motion Control

作者： Szabolcs Vereb Gergely G. Balazs Tamas Kokenyesi Zoltan Suto Istvan Varjasi Dept. of Automation and Applied Informatics Budapest University of Technology and Economics Siemens Zrt.

ISBN: (纸本)9781538641996

Multi-cell lithium-ion batteries must be balanced in order to avoid severe cell charge imbalances, which reduce the apparent capacity of the battery pack. Nowadays active balancing methods are gaining popularity in spite of having potential to result in less beneficial outcome in certain situations. In this paper a balancing design selection guide will be presented in an application oriented way. The importance of proper balancing strategy selection will be demonstrated with an in depth simulation of different passive and active designs.

关键词： lithium ion battery apparent capacity balanced design application-oriented Battery Pack

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Preface

Advances in Intelligent Systems and Computing

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Advances in Intelligent Systems and Computing 2020年 945卷 v-vii页

作者： Kulczycki, Piotr Kacprzyk, Janusz Kóczy, László T. Mesiar, Radko Wisniewski, Rafal Faculty of Physics and Applied Computer Science AGH University of Science and Technology Krakow Poland Systems Research Institute Polish Academy of Sciences Warsaw Poland Systems Research Institute Polish Academy of Sciences Warsaw Poland Faculty of Engineering Sciences Széchenyi István University Győr Hungary Faculty of Electrical Engineering and Informatics Budapest University of Technology and Economics Budapest Hungary Department of Electronic Systems Aalborg University Aalborg Denmark Faculty of Civil Engineering Slovak University of Technology Bratislava Slovakia

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Optimal PWM for Two-level Inverter fed High Speed Induction Machines

Optimal PWM for Two-level Inverter fed High Speed Induction ...

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IEEE International Conference on Power Electronics and Motion Control

作者： Peter Stumpf Sandor Halasz Dept. of Automation and Applied Informatics (AAI) Budapest University of Technology and Economics Dept. of Electric Power Engineering Budapest University of Technology and Economics

ISBN: (纸本)9781538641996

The typical fundamental frequency of a high speed machine and the limited switching frequency lead to low pulse ratio in inverter fed drives. To obtain a good harmonic performance at low pulse ratio an optimal PWM technique is introduced in the paper. The optimization is done for the lowest loss-factor, which is proportional to the square of rms value of current harmonics. Calculation is done for the whole modulation region for different voltage vector sequences at several pulse ratios up to 59. The performance of the optimal PWM technique is demonstrated by experimental tests.

关键词： pulse ratio inverter-fed Pokeweed Mitogens Pulse width modulation voltage vector Induction machines High speed Plazas Square

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Prediction of RoHCv1 and RoHCv2 compressor utilities for VoIP

Prediction of RoHCv1 and RoHCv2 compressor utilities for VoI...

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作者： Tömösközi, Máté Seeling, Patrick Ekler, Péter Fitzek, Frank H.P. Department of Automation and Applied Informatics Budapest University of Technology and Economics Hungary Department of Computer Science Central Michigan University Mount PleasantMI48859 United States Communication Networks Group Technische Universität Dresden Germany

Modern cellular networks utilising the long-term evolution (LTE) and the coming 5G set of standards face an ever-increasing demand for low-latency mobile data from connected devices. Header compression is employed to minimise the overhead for IP-based cellular network traffic, thereby decreasing the overall bandwidth usage and, subsequently, transmission delays. Here, we employ machine learning approaches for the prediction of Robust Header Compression version 1's and version 2's compression utility for VoIP transmissions, which allows the compression to dynamically adapt to varying channel conditions. We evaluate various regression models employing r2 and mean square error scores next to complexity (number of coefficients) based on an RTP specific training data set and separately captured live VoIP audio calls. We find that the proposed weighted Ridge regression model explains about at least 50 % of the observed results and the accuracy score may be as high as 94 % for some of the VoIP transmissions.

关键词： Mean square error

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Erratum to: Search for phenomena beyond the Standard Model in events with large b -jet multiplicity using the ATLAS detector at the LHC

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The European Physical Journal C 2021年第3期81卷 1-15页

作者： G. Aad B. Abbott D. C. Abbott A. Abed Abud K. Abeling D. K. Abhayasinghe S. H. Abidi O. S. AbouZeid N. L. Abraham H. Abramowicz H. Abreu Y. Abulaiti B. S. Acharya B. Achkar L. Adam C. Adam Bourdarios L. Adamczyk L. Adamek J. Adelman M. Adersberger A. Adiguzel S. Adorni T. Adye A. A. Affolder Y. Afik C. Agapopoulou M. N. Agaras A. Aggarwal C. Agheorghiesei J. A. Aguilar-Saavedra A. Ahmad F. Ahmadov W. S. Ahmed X. Ai G. Aielli S. Akatsuka M. Akbiyik T. P. A. Åkesson E. Akilli A. V. Akimov K. Al Khoury G. L. Alberghi J. Albert M. J. Alconada Verzini S. Alderweireldt M. Aleksa I. N. Aleksandrov C. Alexa T. Alexopoulos A. Alfonsi F. Alfonsi M. Alhroob B. Ali S. Ali M. Aliev G. Alimonti C. Allaire B. M. M. Allbrooke B. W. Allen P. P. Allport A. Aloisio F. Alonso C. Alpigiani E. Alunno Camelia M. Alvarez Estevez M. G. Alviggi Y. Amaral Coutinho A. Ambler L. Ambroz C. Amelung D. Amidei S. P. Amor Dos Santos S. Amoroso C. S. Amrouche F. An C. Anastopoulos N. Andari T. Andeen J. K. Anders S. Y. Andrean A. Andreazza V. Andrei C. R. Anelli S. Angelidakis A. Angerami A. V. Anisenkov A. Annovi C. Antel M. T. Anthony E. Antipov M. Antonelli D. J. A. Antrim F. Anulli M. Aoki J. A. Aparisi Pozo M. A. Aparo L. Aperio Bella N. Aranzabal V. Araujo Ferraz R. Araujo Pereira C. Arcangeletti A. T. H. Arce F. A. Arduh J.-F. Arguin S. Argyropoulos J.-H. Arling A. J. Armbruster A. Armstrong O. Arnaez H. Arnold Z. P. Arrubarrena Tame G. Artoni H. Asada K. Asai S. Asai T. Asawatavonvanich N. Asbah E. M. Asimakopoulou L. Asquith J. Assahsah K. Assamagan R. Astalos R. J. Atkin M. Atkinson N. B. Atlay H. Atmani K. Augsten V. A. Austrup G. Avolio M. K. Ayoub G. Azuelos H. Bachacou K. Bachas F. Backman P. Bagnaia M. Bahmani H. Bahrasemani A. J. Bailey V. R. Bailey J.T. Baines C. Bakalis O. K. Baker P. J. Bakker E. Bakos D. Bakshi Gupta S. Balaji R. Balasubramanian E. M. Baldin P. Balek F. Balli W. K. Balunas J. Balz E. Banas M. Bandieramonte A. Bandyopadhyay Sw. Banerjee L. Barak W. M. Barbe E. L. Barberio D. Barberis M. Barbero G. Barbour T. Bar CPPM Aix-Marseille Université CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman USA Department of Physics University of Massachusetts Amherst USA CERN Geneva Switzerland II. Physikalisches Institut Georg-August-Universität Göttingen Göttingen Germany Department of Physics Royal Holloway University of London Egham UK Department of Physics University of Toronto Toronto Canada Niels Bohr Institute University of Copenhagen Copenhagen Denmark Department of Physics and Astronomy University of Sussex Brighton UK Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Department of Physics Technion Israel Institute of Technology Haifa Israel High Energy Physics Division Argonne National Laboratory Argonne USA INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy Department of Physics King’s College London London UK Institut für Physik Universität Mainz Mainz Germany LAPP Université Grenoble Alpes Université Savoie Mont Blanc CNRS/IN2P3 Annecy France Faculty of Physics and Applied Computer Science AGH University of Science and Technology Krakow Poland Department of Physics Northern Illinois University DeKalb USA Fakultät für Physik Ludwig-Maximilians-Universität München Munich Germany Department of Physics Bogazici University Istanbul Turkey Département de Physique Nucléaire et Corpusculaire Université de Genève Geneva Switzerland Particle Physics Department Rutherford Appleton Laboratory Didcot UK Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz USA IJCLab Université Paris-Saclay CNRS/IN2P3 Orsay France LPC Université Clermont Auvergne CNRS/IN2P3 Clermont-Ferrand France Institute for Mathematics Astrophysics and Particle Physics Radboud University Nijmegen/Nikhef Nijmegen The Netherlands Department of Physics Alexandru Ioan Cuza University of Iasi Iasi Romania Laboratóri

A Correction to this paper has been published: https://***/10.1140/epjc/s10052-020-08730-0

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Erratum to: Search for the HH → b b ¯ b b ¯ process via vector-boson fusion production using proton-proton collisions at s = 13 TeV with the ATLAS detector

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Journal of High Energy Physics 2021年第5期2021卷 1-19页

作者： Aad, G. Abbott, B. Abbott, D. C. Abed Abud, A. Abeling, K. Abhayasinghe, D. K. Abidi, S. H. AbouZeid, O. S. Abraham, N. L. Abramowicz, H. Abreu, H. Abulaiti, Y. Acharya, B. S. Achkar, B. Adachi, S. Adam, L. Adam Bourdarios, C. Adamczyk, L. Adamek, L. Adelman, J. Adersberger, M. Adiguzel, A. Adorni, S. Adye, T. Affolder, A. A. Afik, Y. Agapopoulou, C. Agaras, M. N. Aggarwal, A. Agheorghiesei, C. Aguilar-Saavedra, J. A. Ahmadov, F. Ahmed, W. S. Ai, X. Aielli, G. Akatsuka, S. Åkesson, T. P. A. Akilli, E. Akimov, A. V. Al Khoury, K. Alberghi, G. L. Albert, J. Alconada Verzini, M. J. Alderweireldt, S. Aleksa, M. Aleksandrov, I. N. Alexa, C. Alexandre, D. Alexopoulos, T. Alfonsi, A. Alfonsi, F. Alhroob, M. Ali, B. Aliev, M. Alimonti, G. Alison, J. Alkire, S. P. Allaire, C. Allbrooke, B. M. M. Allen, B. W. Allport, P. P. Aloisio, A. Alonso, A. Alonso, F. Alpigiani, C. Alshehri, A. A. Alvarez Estevez, M. Álvarez Piqueras, D. Alviggi, M. G. Amaral Coutinho, Y. Ambler, A. Ambroz, L. Amelung, C. Amidei, D. Amor Dos Santos, S. P. Amoroso, S. Amrouche, C. S. An, F. Anastopoulos, C. Andari, N. Andeen, T. Anders, C. F. Anders, J. K. Andreazza, A. Andrei, V. Anelli, C. R. Angelidakis, S. Angerami, A. Anisenkov, A. V. Annovi, A. Antel, C. Anthony, M. T. Antipov, E. Antonelli, M. Antrim, D. J. A. Anulli, F. Aoki, M. Aparisi Pozo, J. A. Aperio Bella, L. Arabidze, G. Araque, J. P. Araujo Ferraz, V. Araujo Pereira, R. Arcangeletti, C. Arce, A. T. H. Arduh, F. A. Arguin, J-F. Argyropoulos, S. Arling, J.-H. Armbruster, A. J. Armstrong, A. Arnaez, O. Arnold, H. Arrubarrena Tame, Z. P. Artoni, G. Artz, S. Asai, S. Asbah, N. Asimakopoulou, E. M. Asquith, L. Assahsah, J. Assamagan, K. Astalos, R. Atkin, R. J. Atkinson, M. Atlay, N. B. Atmani, H. Augsten, K. Avolio, G. Avramidou, R. Ayoub, M. K. Azoulay, A. M. Azuelos, G. Bachacou, H. Bachas, K. Backes, M. Backman, F. Bagnaia, P. Bahmani, M. Bahrasemani, H. Bailey, A. J. Bailey, V. R. Baines, J. T. Bajic, M. Bakalis, C. Baker, O. K. Bakker, P. J. Bakshi Gupta, D. Balaji, S. Baldin, E. M. Ba CPPM Aix-Marseille Université CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman United States of America Department of Physics University of Massachusetts Amherst United States of America INFN Sezione di Pavia Pavia Italy Dipartimento di Fisica Università di Pavia Pavia Italy II. Physikalisches Institut Georg-August-Universität Göttingen Göttingen Germany Department of Physics Royal Holloway University of London Egham United Kingdom Department of Physics University of Toronto Toronto Canada Niels Bohr Institute University of Copenhagen Copenhagen Denmark Department of Physics and Astronomy University of Sussex Brighton United Kingdom Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Department of Physics Technion Israel Institute of Technology Haifa Israel High Energy Physics Division Argonne National Laboratory Argonne United States of America INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy Department of Physics King’s College London London United Kingdom International Center for Elementary Particle Physics and Department of Physics University of Tokyo Tokyo Japan Institut für Physik Universität Mainz Mainz Germany LAPP Université Grenoble Alpes Université Savoie Mont Blanc CNRS/IN2P3 Annecy France AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland Department of Physics Northern Illinois University DeKalb United States of America Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Department of Physics Bogazici University Istanbul Turkey Département de Physique Nucléaire et Corpusculaire Université de Genève Genève Switzerland Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz United States of America IJCLab

One correction is noted for the paper.

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Comparative study on credibility measures of type-2 and type-1 fuzzy variables and their application to a multi-objective profit transportation problem via goal programming

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International Journal of Transportation Science and technology 2017年第2期6卷 110-126页

作者： Jana, Dipak Kumar Sahoo, Palash Koczy, Laszlo T. Department of Applied Science Haldia Institute of Technology Haldia Purba Midnapur 721657 West Bengal India Department of Mathematics National Institute of Technology Durgapur 713209 West Bengal India Department of Information Technology Szechenyi Istvan University (Gyor) and Dept. of Telecommunication and Media Informatics Budapest University of Technology and Economics Hungary

In real world applications supply, demand and transportation costs per unit of the quantities in multi-objective transportation problems may be hardly specified accurately because of the changing economic and environmental conditions. It is also significant that the time required for transportation should be minimized. In this paper, we have presented three reduction methods for a type-2 triangular fuzzy variable (T2TrFV) by adopting the critical value (CV). Three generalized expected values (optimistic, CV and pessimistic) are derived for T2TrFVs with some special cases. Then a multi-objective profit transportation problem (MOPTP) with fixed charge (FC) cost has been formulated and solved in type-2 fuzzy environment. Unit transportation costs, FC, selling prices, unit transport times, loading and unloading times, total supply capacities and demands are all considered as triangular Type-2 fuzzy numbers. The MOPTP has been converted into a single objective by using the goal programming technique and the weighted sum method. The deterministic model is then solved using the Generalized Reduced Gradient method Lingo 14.0. Numerical experiments with some sensitivity analysis are illustrated the application and effectiveness of the proposed approaches. © 2017 Tongji university and Tongji university Press

关键词： Credibility measure Expected value Fuzzy goal programming Fuzzy type-2 variables Transportation problem

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