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Prediction of selected production goals by classification methods

applied Mechanics and Materials 2014年 474卷 115-120页

作者： Jurovata, Dominika Vazan, Pavel Kebisek, Michal Tanuska, Pavol Hrčka, Lukáš Institute of Applied Informatics Automation and Mathematics Slovak University of Technology in Bratislava Slovakia

ISBN: (纸本)9783037859445

The goal of this work was to use the process of knowledge discovery in planning and control of production processes. This work is focused on the prediction of the system behavior from the data of production process. The classification was used as a task of data mining. Some predictive models were created and the predictions of the production process behavior were realized by varying the input parameters using selected methods and techniques of data mining. It can be confirmed that the selected input parameters will lead to the fulfillment of the declared objectives of the process. The process of knowledge discovery has been implemented in the program STATISTICA Data Miner. © (2014) Trans Tech Publications, Switzerland.

关键词： Forecasting

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Geometrical Method for Increasing Precision of Machine Building Parts

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Procedia Engineering 2016年 149卷 576-580页

作者： Pavol Božek Aleksander Lozkin Alexey Gorbushin Slovak University of Technology Faculty of Materials Science and Technology Institute of Applied Informatics Automation and Mechatronics J. Bottu 25 Trnava 91724 Slovakia Department of Software M. T. Kalashnikov Izhevsk State Technical University Studencheskaya st. 7 IIzhevsk 426069 Russia Department of Automated Data Processing and Control Systems Glazov branch of Kalashnikov Izhevsk State Technical University Kirova street 36 427622 Glazov Russia

Calculation of complex curves with high accuracy is challenging. The curve is approximated by segments of straight lines and carried out smoothing. A new method of analytic geometry to calculate the trajectories of mechatronic systems and CAD/CAM is offered. The theoretical basis of the method is symmetries in the Euclidean plane. The method can accurately calculate the trajectory for the centrally symmetric conic sections and, in some cases, arbitrary differentiable planar curves. The method gives an accurate analytical solution without using radicals. This allows you to find the formulaic dependencies for further calculations. The existence of Lissajous figures allows assuming the presence of a universal method of calculation of complex trajectories based on planar differentiable curves. Some examples of the design of the kinematic mechanisms are presents additionally.

关键词： mechatronic systems calculation of trajectory symmetries arbitrary curves.

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Implications of inverse parametric optimization in model predictive control

Implications of inverse parametric optimization in model pre...

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International Conference on Optimisation-based Control and Estimation, 2014

作者： Gulan, Martin Nguyen, Ngoc Anh Olaru, Sorin Rodriguez-Ayerbe, Pedro Rohal’-Ilkiv, Boris Institute of Automation Measurement and Applied Informatics Slovak University of Technology Námestie slobody 17 Bratislava812 31 Slovakia Laboratory of Signals and Systems CentraleSupélec-CNRS-Université Paris-Sud Université Paris-Saclay 3 rue Joliot Curie Gif-sur-Yvette911 90 France

ISBN: (纸本)9783319266855

Recently, inverse parametric linear/quadratic programming problem was shown to be solvable via convex liftings approach [13]. This technique turns out to be relevant in explicit model predictive control (MPC) design in terms of reducing the prediction horizon to at most two steps. In view of practical applications, typically leading to problems that are not directly invertible, we show how to adapt the inverse optimality to specific, possibly convexly non-liftable partitions. Case study results moreover indicate that such an extension leads to controllers of lower complexity without loss of optimality. Numerical data are also presented for illustration. © Springer International Publishing Switzerland 2015.

关键词： Model predictive control

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Robust Control of Temperature Fields in Steel Casting Mould as Distributed Parameter Systems

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IFAC-PapersOnLine 2015年第14期48卷 408-413页

作者： C. Belavý G. Hulkó L. Bartalský M. Kubiš Slovak University of Technology in Bratislava Faculty of Mechanical Engineering Institute of Automation Measurement and Applied Informatics Nám. Slobody 17 812 31 Bratislava Slovak Republic Tel: ++421 25249 5315

In the paper, modelling and robust control of temperature fields of the casting mould in the benchmark casting plant is presented. Temperature fields are supposed as distributed parameter systems with dynamic described by partial differential equations. Based on finite element method modelling, models for control synthesis purpose in the form of lumped-input/distributed-output system are created. For this representation, uncertainty of the controlled system was considered and robust control synthesis with internal model control structure was designed. Robust control of the temperature fields in the casting mould was carried out using the Distributed Parameter Systems Blockset for MATLAB & Simulink.

关键词： distributed parameter systems lumped-input/distributed-output system uncertainty robust control internal model control temperature field casting mould

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Control of a robotic arm on the principle of separate decision of an inertial navigation system

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applied Mechanics and Materials 2014年 611卷 60-66页

作者： Božek, Pavol Institute of Applied Informatics Automation and Mathematics Slovak University of Technology Hajdóczyho 1 917 24 Trnava Slovakia

This paper describes the system activity and the importance of autonomous inertial navigation system /INS/ and its implementation to control the robotic arm. The article further introduces the execution of DC motor regulation utilized for the positioning of a rotary positioned arm. The motor control comprises the current regulation, angular velocity and the rotation of the motor shaft fixed to the arm regarding the require dangular change course of the arm rotation. The regulation structure of the DC motor is carried out in MATLAB/Simulink programme. The arm movement is investigated via mathematical model and virtual dynamic model formed in MSC ADAMS programme. © (2014) Trans Tech Publications, Switzerland.

关键词： Three term control systems

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Erratum to: Short-term glucagon stimulation test of C-peptide effect on glucose utilization in patients with type 1 diabetes mellitus

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Medical & biological engineering & computing 2016年第2-3期54卷 559页

作者： Viliam Mojto Zuzana Rausova Jana Chrenova Ladislav Dedik IIIrd Clinic of Internal Medicine Faculty of Medicine Comenius University in Bratislava Limbová 5 833 05 Bratislava Slovakia. Institute of Automation Measurement and Applied Informatics Faculty of Mechanical Engineering Slovak University of Technology Namestie slobody 17 812 31 Bratislava Slovakia. Institute of Automation Measurement and Applied Informatics Faculty of Mechanical Engineering Slovak University of Technology Namestie slobody 17 812 31 Bratislava Slovakia. jana.chrenova@***.

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Author Correction: The challenge of mapping the human connectome based on diffusion tractography

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Nature communications 2019年第1期10卷 5059页

作者： Klaus H Maier-Hein Peter F Neher Jean-Christophe Houde Marc-Alexandre Côté Eleftherios Garyfallidis Jidan Zhong Maxime Chamberland Fang-Cheng Yeh Ying-Chia Lin Qing Ji Wilburn E Reddick John O Glass David Qixiang Chen Yuanjing Feng Chengfeng Gao Ye Wu Jieyan Ma Renjie He Qiang Li Carl-Fredrik Westin Samuel Deslauriers-Gauthier J Omar Ocegueda González Michael Paquette Samuel St-Jean Gabriel Girard François Rheault Jasmeen Sidhu Chantal M W Tax Fenghua Guo Hamed Y Mesri Szabolcs Dávid Martijn Froeling Anneriet M Heemskerk Alexander Leemans Arnaud Boré Basile Pinsard Christophe Bedetti Matthieu Desrosiers Simona Brambati Julien Doyon Alessia Sarica Roberta Vasta Antonio Cerasa Aldo Quattrone Jason Yeatman Ali R Khan Wes Hodges Simon Alexander David Romascano Muhamed Barakovic Anna Auría Oscar Esteban Alia Lemkaddem Jean-Philippe Thiran H Ertan Cetingul Benjamin L Odry Boris Mailhe Mariappan S Nadar Fabrizio Pizzagalli Gautam Prasad Julio E Villalon-Reina Justin Galvis Paul M Thompson Francisco De Santiago Requejo Pedro Luque Laguna Luis Miguel Lacerda Rachel Barrett Flavio Dell'Acqua Marco Catani Laurent Petit Emmanuel Caruyer Alessandro Daducci Tim B Dyrby Tim Holland-Letz Claus C Hilgetag Bram Stieltjes Maxime Descoteaux Division of Medical Image Computing German Cancer Research Center (DKFZ) Heidelberg 69120 Germany. k.maier-hein@dkfz.de. Division of Medical Image Computing German Cancer Research Center (DKFZ) Heidelberg 69120 Germany. Sherbrooke Connectivity Imaging Lab (SCIL) Université de Sherbrooke Sherbrooke QC J1K 0A5 QC Canada. Department of Intelligent Systems Engineering School of Informatics and Computing Indiana University Bloomington IN 47408 USA. Krembil Research Institute University Health Network Toronto Canada M5G 2C4. Department of Neurological Surgery University of Pittsburgh School of Medicine Pittsburgh PA 15213 USA. IMT-Institute for Advanced Studies Lucca 55100 Italy. Department of Diagnostic Imaging St. Jude Children's Research Hospital Memphis TN 38105 USA. University of Toronto Institute of Medical Science Toronto Canada M5S 1A8. Institute of Information Processing and Automation Zhejiang University of Technology Hangzhou 310023 Zhejiang China. United Imaging Healthcare Co Shanghai 201807 China. Shanghai Advanced Research Institute Shanghai 201210 China. Laboratory of Mathematics in Imaging Harvard Medical School Boston MA 02215 USA. Center for Research in Mathematics Guanajuato 36023 Mexico. PROVIDI Lab Image Sciences Institute University Medical Center Utrecht Utrecht 3508 The Netherlands. Cardiff University Brain Research Imaging Centre School of Psychology Cardiff University Maindy Road Cardiff CF24 4HQ UK. Department of Radiology University Medical Center Utrecht Utrecht 3508 The Netherlands. Centre de recherche institut universitaire de geriatrie de Montreal (CRIUGM) Université de Montréal Montreal QC Canada H3W 1W5. Sorbonne Universités UPMC Univ Paris 06 CNRS INSERM Laboratoire d'Imagerie Biomédicale (LIB) 75013 Paris France. Center for Advanced Research in Sleep Medicine Hôpital du Sacré-Coeur de Montréal Montreal Canada H4J 1C5. Neuroimaging Unit Institute of Bioimaging and Molecular Physiology (IBFM) Nat

An amendment to this paper has been published and can be accessed via a link at the top of the paper.

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Model-oriented safety analysis of dynamic technological systems

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applied Mechanics and Materials 2014年 474卷 127-134页

作者： Strbo, Milan Tanuska, Pavol Gese, Augustin Korytar, Marek Institute of Applied Informatics Automation and Mathematics Slovak University of Technology in Bratislava Paulínska 16 917 24 Trnava Slovakia

ISBN: (纸本)9783037859445

The paper deals with the safety analysis for dynamic technological systems. The analysis is performed in the phase of control system development. The SQMD method has been proposed to use for safety analysis of dynamical systems. We created models for safety-critical states of system using this method. The models are divided to qualitative and quantitative. Qualitative models are created by using of fuzzy logic. There we will use the knowledge and experience of safety analysis of similar systems. Quantitative models are constructed by using of differential and difference equations. Mathematical models are verified by simulation. Hybrid models for individual safetycritical states are constructed by synthesis of qualitative and quantitative models. Finally is performed on-line monitoring and fault detection in real system by using these hybrid models. © (2014) Trans Tech Publications, Switzerland.

关键词： Difference equations

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Competence in lexical semantics 4

Competence in lexical semantics

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4th Joint Conference on Lexical and Computational Semantics, *SEM 2015

作者： Kornai, Andras Acs, Judit Makrai, Marton Nemeskey, David Pajkossy, Katalin Recski, Gabor Institute for Computer Science Hungarian Academy of Sciences Kende u. 13-17 Budapest1111 Hungary Dept of Automation and Applied Informatics BUTE Magyar Tudosok krt. 2 Budapest1117 Hungary Institute for Linguistics Hungarian Academy of Sciences Benczur u. 33 Budapest1068 Hungary Faculty of Informatics Eotvos Lorand University Pazmany Peter setany 1/C Budapest1117 Hungary Department of Algebra BUTE Egry J. u. 1 Budapest1111 Hungary

We investigate from the competence standpoint two recent models of lexical semantics, algebraic conceptual representations and continuous vector models.

ISBN: (纸本)9781941643396

We investigate from the competence standpoint two recent models of lexical semantics, algebraic conceptual representations and continuous vector models.

关键词： Artificial intelligence

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Industrial production surety factor increasing by a system of fingerprint verification

Industrial production surety factor increasing by a system o...

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2014 International Conference on Information Science, Electronics and Electrical Engineering, ISEEE 2014

作者： Pivarčiová, Elena Božek, Pavol Department of Informatics and Automation Technics Technical University in Zvolen Zvolen Slovakia Institute of Applied Informatics Automation and Mathematics Slovak Technical University Trnava Slovakia

ISBN: (纸本)9781479931965

The article describes a new method of a fingerprint verification. A research purpose has been a verification of integral transformations applying possibilities with help of Fourier and Fourier-Mellin transformation as a tool for fingerprints images verification. The proposed method does not require broad preprocessing, it eliminates partly inaccurate finger place on a sensor (shift, rotation), it compensates partly fingerprint deformations (scale change, skin elasticity) and lower fingers quality (too dry fingers), it enables automatic processing and evaluation without an operator input. The proposed method, using a registration and comparative criterion of modified phase correlation can take up 91.7 % of the right fingerprints and reject just 8.3 % of them. The fingerprint verification can be used for following and controlling of technological processes;expensive or dangerous equipments, technologies or property protection from illegitimate using or misusage, and for an authentication of entry into buildings. © 2014 IEEE.

关键词： Fourier transforms

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