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International Conference on computer Supported Cooperative Work in Design

作者： De C. Gatti, Leonardo A. Santoro, Flávia Maria Nunes, Vanessa T. NP2TEC - Research and Practice Group in Information Technology Department of Applied Informatics Federal University of the State of Rio de Janeiro UNIRIO Rio de Janeiro Brazil COPPE - Systems Engineering and Computer Science Program Federal University of Rio de Janeiro UFRJ Rio de Janeiro Brazil

ISBN: (纸本)9781424467631

The main knowledge management challenges are to capture, store and reuse contextual knowledge generated during interactions that occur daily in an organization. In this paper, we propose an activity context-aware architecture to support knowledge management in working processes. The required features for this architecture are processing, reasoning and sharing contextual knowledge involving information about activities performed. We also present results from evaluation of our proposal - A-CoBrA - for a specific domain. © 2010 IEEE.

关键词： Knowledge management

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Double inverted pendulum control by linear quadratic regulator and reinforcement learning

Double inverted pendulum control by linear quadratic regulat...

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International Conference on Computational Cybernetics (ICCC)

作者： Sandor Biro Radu-Emil Precup Doru Todinca Crabel Capital Research Timisoara Romania Department of Automation and Applied Informatics Politehnica University Timisoara Timisoara Romania Department of Computer Science and Engineering Politehnica University Timisoara Timisoara Romania

ISBN: (纸本)9781424474325;9781424474332

The paper gives an original combination of linear quadratic regulator and reinforcement learning dedicated to the position control of a double inverted pendulum system. An agent based on a modified Sarsa algorithm is applied to swing up the pendulum. The linear quadratic regulator is applied to the linearized mathematical model of the process in the vicinity of upright position. Digital simulation results show the performance of the new approach.

关键词： Regulators Learning Mathematical model Process control Control systems Position control informatics Digital simulation Shape control Fuzzy control

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Discrete-time modeling tools for DC-DC converters

Discrete-time modeling tools for DC-DC converters

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2010 International Power Electronics Conference - ECCE Asia -, IPEC 2010

作者： Hamar, J. Nagy, I. Funato, H. Nishida, Y. Ohsaki, H. Masada, E. Department of Automation and Applied Informatics Budapest University of Technology and Economics Goldmann Gyorgy Ter 3 1111 Budapest Hungary MFKK Invention and Research Center Services Co. Ltd. Budapest Hungary Computer and Automation Research Institute Hungarian Academy of Science Budapest Hungary Dept. of Electrical and Electronic Engineering Utsunomiya University Utsunomiya Japan Dept. of Electric Electronics and Computer Engineering Chiba Institute of Technology Japan University of Tokyo Tokyo Japan Railway Technology Research Institute Tokyo Japan

ISBN: (纸本)9781424453955

The objective of the discrete-time modeling tools is twofold. First, they give an insight into the basic ideas of discrete-time modeling of dc-dc converters for university students and interested power electronics specialists. Second, as it is being presented below, the interactive calculation tools facilitate the fast and simple model-development in WEB browser after entering the basic circuit and load parameters. This feature can especially be useful for the practicing design engineers, since without long calculations with matrix functions the linearized discrete-time system model is immediately and automatically developed in both mathematical form (state-space equations and transfer functions in the Z domain) and also in graphical form (pole-zero map and bode plot). © 2010 IEEE.

关键词： DC-DC converters

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Muscle histology image analysis for sarcopenia: Registration of successive sections with distinct atpase activity

Muscle histology image analysis for sarcopenia: Registration...

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IEEE International Symposium on Biomedical Imaging

作者： Olcay Sertel Belma Dogdas Chi Sung Chiu Metin N. Gurcan Department of Electrical and Computer Engineering Ohio State Uinversity Columbus OH USA Department of Applied Computer Science and Mathematics Merck & Company Inc. Rahway NJ USA Merck & Company Inc. Boston MA USA Department of Biomedical Informatics Ohio State Uinversity Columbus OH USA

ISBN: (纸本)9781424441259

One way of evaluating muscle quality is to determine its fiber type composition in histological sections. A complete muscle fiber type characterization system requires combining information from successive muscle histology images with different ATPase stain. Due to the local and global deformations introduced in slide preparation process, a precise non-rigid registration is essential to construct the spatial correspondences between these successive images. This study proposes an approach for automated non-rigid registration of successive muscle histological sections. We propose a feature-based registration that uses a two stage approach: a rigid initialization followed by a non-rigid refinement. The rigid initialization step globally aligns successive tissue slides by finding correspondences between individually segmented muscle fibers using Fourier shape descriptors and computing the global rigid transformation using a voting scheme tolerant to mismatches. In the non-rigid stage we establish precise point correspondences using the normalized cross correlation metric and compute the non-rigid distortion using a polynomial transformation that minimizes the mean square distance between these control points.

关键词： Muscles Image analysis Polynomials Image registration Mutual information Shape Voting Laboratories Microscopy Biology computing

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Search for contact interactions in dimuon events from pp collisions at s=7 TeV with the ATLAS detector

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Physical Review D 2011年第1期84卷 011101(R)-011101(R)页

作者： G. Aad B. Abbott J. Abdallah A. A. Abdelalim A. Abdesselam O. Abdinov B. Abi M. Abolins H. Abramowicz H. Abreu E. Acerbi B. S. Acharya D. L. Adams T. N. Addy J. Adelman M. Aderholz S. Adomeit P. Adragna T. Adye S. Aefsky J. A. Aguilar-Saavedra M. Aharrouche S. P. Ahlen F. Ahles A. Ahmad M. Ahsan G. Aielli T. Akdogan T. P. A. Åkesson G. Akimoto A. V. Akimov A. Akiyama M. S. Alam M. A. Alam S. Albrand M. Aleksa I. N. Aleksandrov F. Alessandria C. Alexa G. Alexander G. Alexandre T. Alexopoulos M. Alhroob M. Aliev G. Alimonti J. Alison M. Aliyev P. P. Allport S. E. Allwood-Spiers J. Almond A. Aloisio R. Alon A. Alonso M. G. Alviggi K. Amako P. Amaral C. Amelung V. V. Ammosov A. Amorim G. Amorós N. Amram C. Anastopoulos T. Andeen C. F. Anders K. J. Anderson A. Andreazza V. Andrei M-L. Andrieux X. S. Anduaga A. Angerami F. Anghinolfi N. Anjos A. Annovi A. Antonaki M. Antonelli S. Antonelli A. Antonov J. Antos F. Anulli S. Aoun L. Aperio Bella R. Apolle G. Arabidze I. Aracena Y. Arai A. T. H. Arce J. P. Archambault S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armbruster O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov S. Asai R. Asfandiyarov S. Ask B. Åsman L. Asquith K. Assamagan A. Astbury A. Astvatsatourov G. Atoian B. Aubert B. Auerbach E. Auge K. Augsten M. Aurousseau N. Austin R. Avramidou D. Axen C. Ay G. Azuelos Y. Azuma M. A. Baak G. Baccaglioni C. Bacci A. M. Bach H. Bachacou K. Bachas G. Bachy M. Backes M. Backhaus E. Badescu P. Bagnaia S. Bahinipati Y. Bai D. C. Bailey T. Bain J. T. Baines O. K. Baker M. D. Baker S. Baker F. Baltasar Dos Santos Pedrosa E. Banas P. Banerjee Sw. Banerjee D. Banfi A. Bangert V. Bansal H. S. Bansil L. Barak S. P. Baranov A. Barashkou A. Barbaro Galtieri T. Barber E. L. Barberio D. Barberis M. Barbero D. Y. Bardin T. Barillari M. Barisonzi T. Barklow N. Barlow B. M. Barnett R. M. Barnett A. Baroncelli A. J. Barr F. Barreiro J. Barreiro Guimarães da Costa P. Barrillon R. Bartoldus A. E. Barton D. Bartsch V. Bartsch R. L. Bates L. Batkova J. R. Batley A. Battaglia M. Battist Fakultät für Mathematik und Physik Albert-Ludwigs-Universität Freiburg i.Br. Germany Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman Oklahoma USA Institut de Física d’Altes Energies and Universitat Autònoma de Barcelona and ICREA Barcelona Spain Section de Physique Université de Genève Geneva Switzerland Department of Physics Oxford University Oxford United Kingdom Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Department of Physics Oklahoma State University Stillwater Oklahoma USA Department of Physics and Astronomy Michigan State University East Lansing Michigan USA Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel LAL Université Paris-Sud and CNRS/IN2P3 Orsay France INFN Sezione di Milano Milano Italy Dipartimento di Fisica Università di Milano Milano Italy INFN Gruppo Collegato di Udine Udine Italy ICTP Trieste Italy Physics Department Brookhaven National Laboratory Upton New York USA Department of Physics Hampton University Hampton Virginia USA Department of Physics Yale University New Haven Connecticut USA Max-Planck-Institut für Physik (Werner-Heisenberg-Institut) München Germany Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Department of Physics Queen Mary University of London London United Kingdom Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Department of Physics Brandeis University Waltham Massachusetts USA Departamento de Fisica Teorica y del Cosmos and CAFPE Universidad de Granada Granada Portugal Institut für Physik Universität Mainz Mainz Germany Department of Physics Boston University Boston Massachusetts USA Department of Physics and Astronomy Stony Brook University Stony Brook New York USA Physics Department University of Texas at Dallas Richardson Texas USA INFN Sezione di Roma Tor Vergata Roma Italy Dipartimento di Fisica Università di Roma Tor

A search for contact interactions has been performed using dimuon events recorded with the ATLAS detector in proton-proton collisions at s=7 TeV. The data sample corresponds to an integrated luminosity of 42 pb−1. No significant deviation from the standard model is observed in the dimuon mass spectrum, allowing the following 95% C.L. limits to be set on the energy scale of contact interactions: Λ>4.9 TeV (4.5 TeV) for constructive (destructive) interference in the left-left isoscalar compositeness model. These limits are the most stringent to date for μμqq contact interactions.

关键词： PROTON-proton interactions MUONS W bosons MASS (Physics) LAGRANGE equations -- Numerical solutions

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Vision-based human motion analysis in epilepsy - Methods and challenges

Vision-based human motion analysis in epilepsy - Methods and...

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IEEE EMBS International Conference on Information Technology Applications in Biomedicine (ITAB)

作者： M. Pediaditis M. Tsiknakis P. Vorgia D. Kafetzopoulos V. Danilatou D. Fotiadis Institute of Health Care Engineering Graz University of Technology Austria Biomedical Informatics Laboratory Institute of Computer Science FORTH Crete Greece Department of Applied Informatics and Multimedia Technological Educational Institute of Crete Greece Mother and Child Division Medical School University of Crete Greece Institute of Molecular Biology and Biotechnology FORTH Crete Greece Department of Materials Science and Engineering University of Ioannina (UoI) Greece

Motion is one of the most important characteristics in clinical epileptology. In developing an integrated motion analysis system for epileptic patients or children with neurological disorders (e.g. ADHD) we surveyed and analyzed current efforts in vision-based human motion analysis in epilepsy as well as all possible forms of motion typically encountered in known epileptic syndromes. This paper presents the results in a systematic way, and includes a critical discussion of methodological and scientific challenges that need to be addressed in this particular domain.

关键词： Variable speed drives Head Biomedical imaging Cameras Epilepsy Image segmentation Pixel

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Discrete-time modeling tools for DC-DC converters

Discrete-time modeling tools for DC-DC converters

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International Power engineering Conference (IPEC)

作者： J. Hamar I. Nagy H. Funato Y. Nishida H. Ohsaki E. Masada Department of Automation and Applied Informatics Budapest University슠of슠Technology슠and슠Economics Budapest Hungary Computer and Automation Research Institute Hungarian Academy of Sciences (ATOMKI) Budapest Hungary Department of Electrical and Electronic Engineering Utsunomiya University Utsunomiya Japan Department of Electric Electronics and Computer Engineering Chiba Institute of Technology Japan University of Tokyo Tokyo Japan Railway Technology Research Institute Tokyo Japan

The objective of the discrete-time modeling tools is twofold. First, they give an insight into the basic ideas of discrete-time modeling of dc-dc converters for university students and interested power electronics specialists. Second, as it is being presented below, the interactive calculation tools facilitate the fast and simple model development in WEB browser after entering the basic circuit and load parameters. This feature can especially be useful for the practicing design engineers, since without long calculations with matrix functions the linearized discrete-time system model is immediately and automatically developed in both mathematical form (state-space equations and transfer functions in the Z domain) and also in graphical form (pole-zero map and bode plot).

关键词： DC-DC power converters Power electronics Power system modeling Electrical engineering Automation Railway engineering Power engineering and energy Electronic learning Vocational training Java

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Stability analysis of a class of MIMO fuzzy control systems

Stability analysis of a class of MIMO fuzzy control systems

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IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)

作者： Radu-Emil Precup Marius L. Tomescu Emil M. Petriu Stefan Preitl János Fodor Daniela Bărbulescu Department of Automation and Applied Informatics Polytechnic University of Timisoara Timisoara Romania “Politehnica” University of Timisoara Timisoara RO Romania Faculty of Computer Science Aurel Vlaicu University of Arad Arad Romania Faculty of Computer Science Complex Universitar Arad RO Romania University of Ottawa School of Information Technology and Engineering Ottawa ON Canada Óbuda University Institute of Intelligent Engineering Systems Budapest Hungary

This paper suggests a new stability analysis approach dedicated to a class of fuzzy control systems controlling multi input-multi output (MIMO) nonlinear processes by means of Takagi-Sugeno fuzzy logic controllers. The approach is based on LaSalle's global invariant set theorem, and an original stability theorem offers sufficient stability conditions. The applicability and efficiency of the theoretical results are illustrated by a MIMO case study dealing with the fuzzy control of a spherical three tank system.

关键词： Stability analysis Process control MIMO Fuzzy control Valves Numerical stability Lyapunov method

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Erratum to: Genome sequence of an Australian kangaroo, Macropus eugenii, provides insight into the evolution of mammalian reproduction and development

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Genome Biology 2011年第12期12卷 1-2页

作者： Marilyn B Renfree Anthony T Papenfuss Janine E Deakin Katherine Belov Paul D Waters Geoff Shaw Emily SW Wong Matthew J Wakefield Kyall R Zenger Chenwei Wang Danielle Hickford Hongshi Yu Hannah V Siddle Stephen R Frankenberg Keng Y Chew Brandon R Menzies Jessica M Stringer Shunsuke Suzuki Timothy A Hore Margaret L Delbridge Hardip Patel Amir Mohammadi Nanette Y Schneider Yanqiu Hu Shafagh Al Nadaf Elizabeth Kuczek Desmond W Cooper Terence P Speed Jennifer A M Graves Andrew J Pask Susan M Forrest Elizabeth A Pharo Zhi-Ping Feng Arthur Hsu Kaighin A McColl Benjamin Lansdell James Lindsay Thomas Heider William O'Hara Dawn M Carone Rachel J O'Neill Frank W Nicholas Chen Wu Willem Rens Malcolm Ferguson-Smith Christophe M Lefèvre Kevin R Nicholas Yoko Kuroki Yoshiyuki Sakaki Shinji Kondo Yuichiro Nishida Shoji Tatsumoto Kirsty R Short Benjamin G Cocks Jianghui Wang Paul Flicek Kathryn Beal Javier Herrero Stephen MJ Searle Susan Fairley Yutaka Suzuki Sumio Sugano Atsushi Toyoda Asao Fujiyama Ion Mandiou George Weinstock Donna M Muzny Shalini N Jhangiani Lora R Lewis Margaret B Morgan Geoffrey O Okwuonu San J Ruiz Jireh Santibanez Lynne Nazareth Andrew Cree Gerald Fowler Christie L Kovar Huyen H Dinh Vandita Joshi Chyn Jing Fremiet Lara Rebecca Thornton Lei Chen Jixin Deng Yue Liu Joshua Y Shen Xing-Zhi Song Richard A Gibbs Kim C Worley Annette McGrath Peter Wilson Artem Men Mehlika Hazar-Rethinam Allison Hall John Davis David Wood Sarah Williams Yogi Sundaravadanam Janette Edson Carmen Troon Daniel Thomas Amber Stephens Lankesha Yapa Tanya Levchenko The Australian Research Council Centre of Excellence in Kangaroo Genomics Australia Department of Zoology The University of Melbourne Melbourne Victoria 3010 Australia Bioinformatics Division The Walter and Eliza Hall Institute of Medical Research Parkville Victoria 3052 Australia Department of Mathematics and Statistics The University of Melbourne Melbourne Victoria 3010 Australia Research School of Biology The Australian National University Canberra ACT 0200 Australia Faculty of Veterinary Science University of Sydney Sydney NSW 2006 Australia School of Marine and Tropical Biology James Cook University Townsville Queensland 4811 Australia Leibniz Institute for Zoo and Wildlife Research Alfred-Kowalke-Str. 17 Berlin 10315 Germany Laboratory of Developmental Genetics and Imprinting The Babraham Institute Cambridge CB22 3AT UK Department of Molecular Genetics German Institute of Human Nutrition Potsdam-Rehbruecke Arthur-Scheunert-Allee 114-116 14558 Nuthetal Germany Australian Genome Research Facility Melbourne Victoria 3052 and the University of Queensland St Lucia Queensland 4072 Australia Westmead Institute for Cancer Research University of Sydney Westmead New South Wales 2145 Australia Department of Biological Earth and Environmental Sciences The University of New South Wales Sydney NSW 2052 Australia Department of Molecular and Cell Biology Center for Applied Genetics and Technology University of Connecticut Storrs CT 06269 USA Department of Medical Biology The University of Melbourne Melbourne Victoria 3010 Australia Department of Cell Biology University of Massachusetts Medical School Worcester MA 01655 USA Department of Veterinary Medicine University of Cambridge Madingley Rd Cambridge CB3 0ES UK Institute for Technology Research and Innovation Deakin University Geelong Victoria 3214 Australia RIKEN Institute 1-7-22 Suehiro-cho Tsurumi-ku Yokohama Kanagawa 230-0045 Japan Department of Microbiology and Immunology

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An agent-based architecture for knowledge management in context-aware business processes

An agent-based architecture for knowledge management in cont...

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International Conference on computer Supported Cooperative Work in Design

作者： Leonardo A. de C. Gatti Flávia Maria Santoro Vanessa T. Nunes NP2TEC - Research and Practice Group in Information Technology UNIRIO Rio de Janeiro Brazil NP2TEC-Research and Practice Group in Information Technology Department of Applied Informatics UNIRIO Federal University of Rio de Janeiro Rio de Janeiro Brazil COPPE - Systems Engineering and Computer Science Program UFRJ Rio de Janeiro Brazil

关键词： Knowledge management computer architecture Context modeling Collaborative work Proposals Information technology informatics Service oriented architecture Ontologies Knowledge engineering

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