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Control System Simulation of Technical Equipment

Procedia Engineering 2016年 149卷 566-570页

作者： Ivan Abramov Yuri Turygin Ella Sosnovich Branislav Bako Kalashnikov Izhevsk State Technical University Department of Mechatronic Systems Studencheskaya 42 Izhevsk 426069 Russia Slovak University of Technology Faculty of Materials Science and Technology Institute of Applied Informatics Automation and Mechatronics J. Bottu 25 Trnava 91724 Slovakia

Submission is concerned to complete information system about quality, operation, automatic testing using mechatronic system and new evaluating method of vehicle subsystem. Presentation of statistic significant group of tracing commercial cars is used. Data about operational parameters were taken from this group. Numeric analysis is realized on the base of automatic collection and systematic recording of commercial car operation. Proposed new information system about operation and trial process allows verification according to proposed method. Critical components verified in laboratory conditions are detected by numeric analysis of reliability. Trial method is described and also numerically compared in three levels. Quality level increasing not only for final product, but also related automatic test laboratory for cars is the result of these principles respecting. The model of technical system operation is proposed by estimating the level of its elements’ reliability. Application of the repair cycle adaptive structure creates the basis of organizing the preventive maintenance and repair and increasing the operational efficiency of technical systems.

关键词： Technical systems reliability operational efficiency preventive maintenance and repair repair cycle.

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Response to ‘Burden of proof: A comprehensive review of the feasibility of 100% renewable-electricity systems’

arXiv

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arXiv 2017年

作者： Brown, T.W. Bischof-Niemz, T. Blok, K. Breyer, C. Lund, H. Mathieseng, B.V. Institute for Automation and Applied Informatics Karlsruhe Institute of Technology Eggenstein-Leopoldshafen76344 Germany Frankfurt Institute for Advanced Studies Ruth-Moufang-Straße 1 Frankfurt am Main60438 Germany Energy Centre Council for Scientific and Industrial Research Meiring Naude Road Pretoria South Africa Delft University of Technology Chair of Energy Systems Analysis Faculty Technology Policy and Management Jaffalaan 5 Delft2628 BX Netherlands Lappeenranta University of Technology School of Energy Systems Skinnarilankatu 34 Lappeenranta53850 Finland Department of Development and Planning Aalborg University Rendsburggade 14 Aalborg9000 Denmark Department of Development and Planning Aalborg University A.C. Meyers Vænge 15 Copenhagen SV2450 Denmark

A recent article ‘Burden of proof: A comprehensive review of the feasibility of 100% renewable-electricity systems’ claims that many studies of 100% renewable electricity systems do not demonstrate sufficient technical feasibility, according to the criteria of the article’s authors (henceforth ‘the authors’). Here we analyse the authors’ methodology and find it problematic. The feasibility criteria chosen by the authors are important, but are also easily addressed at low economic cost, while not affecting the main conclusions of the reviewed studies and certainly not affecting their technical feasibility. A more thorough review reveals that all of the issues have already been addressed in the engineering and modelling literature. Nuclear power, which the authors have evaluated positively elsewhere, faces other, genuine feasibility problems, such as the finiteness of uranium resources and a reliance on unproven technologies in the medium- to long-term. Energy systems based on renewables, on the other hand, are not only feasible, but already economically viable and decreasing in cost every year. Copyright © 2017, The Authors. All rights reserved.

关键词： Wind power

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Measuring semantic similarity of words using concept networks 1

Measuring semantic similarity of words using concept network...

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1st Workshop on Representation Learning for NLP, Rep4NLP 2016 at the 54th Annual Meeting of the Association for Computational Linguistics, ACL 2016

作者： Recski, Gabor Iklodi, Eszter Pajkossy, Katalin Kornai, Andras Research Institute for Linguistics Hungarian Academy of Sciences Benczúr u. 33 BudapestH-1068 Hungary Dept of Automation and Applied Informatics Budapest U of Technology and Economics Magyar tudósok krt. 2 BudapestH-1117 Hungary Department of Algebra Budapest U of Technology and Economics Egry J. u. 1 BudapestH-1111 Hungary Institute for Computer Science Hungarian Academy of Sciences Kende u. 13-17 BudapestH-1111 Hungary

ISBN: (纸本)9781945626043

We present a state-of-the-art algorithm for measuring the semantic similarity of word pairs using novel combinations of word embeddings, WordNet, and the concept dictionary 4lang. We evaluate our system on the SimLex-999 benchmark data. Our top score of 0.76 is higher than any published system that we are aware of, well beyond the average inter-annotator agreement of 0.67, and close to the 0.78 average correlation between a human rater and the average of all other ratings, suggesting that our system has achieved nearhuman performance on this benchmark. © 2016 Proceedings of the Annual Meeting of the Association for Computational Linguistics. All Rights Reserved.

关键词： Benchmarking

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Moving Horizon Estimation for Integrated Navigation Filtering

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IFAC-PapersOnLine 2015年第23期48卷 519-526页

作者： Polóni, Tomá Rohal-Ilkiv, Boris Arne Johansen, Tor Department of Aerospace Engineering University of Michigan Ann Arbor United States Institute of Automation Measurement and Applied Informatics Faculty of Mechanical Engineering Slovak University of Technology Bratislava Slovakia Department of Engineering Cybernetics Norwegian University of Science and Technology Trondheim Norway

This paper presents a nonlinear numerical observer for accurate position, velocity and attitude (PVA) estimation including the accelerometer bias and gyro bias estimation. The Moving Horizon Observer (MHO) processes the accelerometer, gyroscope and magnetometer measurements from the Inertial Measurement Unit (IMU) and the position and velocity measurements from the Global Navigation Satellite System (GNSS). The nonlinear measurement equations with the rotation matrix, expressed through the quaternion parametrization, in combination with the state-space rigid body kinematic model of translational and rotational motion is the subject of optimization defined on a receding data window. The gradient-based trust-region method is applied to solve the MHO's nonlinear least-squares criterion. The MHO is tesed off-line in the numerical experiment involving the experimental flight data from a light fixed-wing aircraft. This study demonstrates the quality of the MHO computations with the comparison of the reference filter, the multiplicative Extended Kalman Filter (EKF). © 2015, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.

关键词： Nonlinear analysis Accelerometers Extended Kalman filters Fixed wings Global positioning system Gyroscopes Inertial navigation systems Kinematics Least squares approximations Nonlinear equations State estimation Attitude estimation Global Navigation Satellite Systems Inertial Measurement Unit (IMU) Moving horizon estimation Moving horizon observers Multiplicative extended kalman filters Non linear least squares Position estimation

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Collision-free manipulation of a robotic arm using the MS windows kinect 3D optical system 20

Collision-free manipulation of a robotic arm using the MS wi...

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20th International Conference on Process Control, PC 2015

作者： Vachálek, Ján Čapucha, L'ubomír Krasnanský, Pavol Tóth, Filip Institute of Automation Measurement and Applied Informatics Faculty of Mechanical Engineering Slovak University of Technology in Bratislava Nám. slobody 17 Bratislava812 31 Slovakia

ISBN: (纸本)9781467366274

This article presents the collision-free manipulation of a robotic arm mounted to a mobile robotic unit, using the MS Windows Kinect 3D optical camera system. The 3D optical system is used to recognize objects, aiding the collision-free manipulation of the said objects with the arm of a mobile robotic system (MRS). The placement of the optical system directly on the robotic arm is essential to ensure the autonomy of the overall system. The MRS is able to recognize pre-defined objects in three dimensional space and approach and manipulate these automatically using its robotic arm. The aim of this article is to present the algorithms used in the mobile robot to guarantee the collision-free manipulation of the MRS with objects. The novelty of our approach lies in the a priori collision avoidance strategy, instead of solving collision states as they occur. In addition to this, the article presents the localization of objects in space. For this, randomly placed balls are localized by the MRS, estimating their real coordinates. Instead of using the standard RGB colorspace, we propose to utilize the HSV colorspace to assess object coordinates, since it provides more consistent results in case the ambient lightning intensity varies. © 2015 IEEE.

关键词： Mobile robots

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Robust control of temperature fields in steel casting mould as distributed parameter systems 8

Robust control of temperature fields in steel casting mould ...

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8th IFAC Symposium on Robust Control Design, ROCOND 2015

作者： Belavý, C. Hulkó, G. Bartalský, L. Kubiš, M. Slovak University of Technology in Bratislava Faculty of Mechanical Engineering Institute of Automation Measurement and Applied Informatics Nám. Slobody 17 Bratislava812 31 Slovakia

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. © 2015, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.

关键词： Robust control

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Introduction

ACM International Conference Proceeding Series

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ACM International Conference Proceeding Series 2017年

作者： Seigneur, Jean-Marc Nanayakkara, Suranga Paradiso, Joe Mistry, Pranav Maes, Pattie Bendale, Abhijit Kang, Namwook Kim, Cathy Chung, Ranhee Noh, Michael Rukzio, Enrico Rieser, Martin Koike, Hideki Huber, Jochen Woo, Woontack Taiar, Redha Shilkrot, Roy Schöning, Johannes Gurrin, Cathal Maidenbaum, Shachar Chen, Bing-Yu Huseynov, Emin Van Laerhoven, Kristof Graeser, Axel Caon, Maurizio Luyten, Kris Nijholt, Anton Nojima, Takuya Murphy, Joel Pedersen, Isabel Fukumoto, Masaaki Withana, Anusha Moreau, Guillaume Vourvopoulos, Athanasios Lotte, Fabien Holz, Christian Itoh, Yuta Moccozet, Laurent Gouveia, Patrícia Meier, René Oakley, Ian Alt, Florian Wimmer, Raphael Salvietti, Gionata Colley, Ashley McCullagh, Paul Normand, Jean-Marie Domaszewicz, Jaroslaw Bulling, Andreas Iurgel, Ido Wessolek, Daniel University of Geneva Switzerland Singapore University of Technology and Design Singapore MIT Media Lab. United States Samsung Research America United States University of Ulm Germany University of the West of England United Kingdom Tokyo Institute of Technology Japan Synaptics United States KAIST Korea Republic of Université de Reims Champagne Ardenne France SUNY Stony Brook MIT Media Lab. United States Hasselt University Belgium Dublin City University Ireland Hebrew University of Jerusalem Israel National Taiwan University Taiwan University of Freiburg Germany University Bremen Institute of Automation Germany University of Applied Sciences and Arts Western Switzerland Switzerland Hasselt University - iMinds Belgium Imagineering Institute Malaysia University of Electro-Communications Japan OpenBCI Inc. United States University of Ontario Institute of Technology Canada Microsoft Research United States Ecole Centrale de Nantes France University of Madeira M-ITI Portugal Inria Bordeaux Sud-Ouest France Keio University Japan Lisbon University Portugal Lucerne University of Applied Sciences and Arts UNIST Switzerland Germany University of Regensburg Germany University of Siena Italy University of Lapland Finland Ulster University United Kingdom Warsaw University of Technology Poland Max Planck Institute for Informatics Germany University of Applied Sciences Rhine-Waal Germany Bauhaus University Weimar Germany

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Process mining and practical usage

Process mining and practical usage

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IEEE International Conference on Intelligent Engineering Systems (INES)

作者： Ondrej Tadanai Pavol Tanuska Automation and Mechatronics MTF Trnava Institute of Applied Informatics Trnava Slovakia

This paper is devoted to an introduction to Process Mining, describes the basic algorithms and the link between Data Mining and Process Mining. It also describes the connection Process Mining and practical usage.

关键词： Data mining Petri nets Data models Conferences Artificial intelligence Process control informatics

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Use of sigmoid functions in genetic algorithms for velocity profile optimization of mobile robot

Use of sigmoid functions in genetic algorithms for velocity ...

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IEEE International Conference on Intelligent Engineering Systems (INES)

作者： Peter Iring Peter Schreiber Faculty of Materials Science and Technology Institute of Applied Informatics Automation and Mechatronics Slovakia

The paper describes the use of sigmoid functions for application in genetic algorithms to set robot optimal velocity profile. It describes basic formulas used for fitness calculation. The main focus is on calculation complexity problem with several suggestions and solutions based on usage of proper software implementation and proper mathematics functions. The last part describes coding of sigmoid functions to chromosome and other specificities implying from physical meanings of used formulas.

关键词： Genetic algorithms Optimization Acceleration Mobile robots Linearity Biological cells

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Obtaining the gait parameters from Kinect sensor for the person identification

Obtaining the gait parameters from Kinect sensor for the per...

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IEEE International Conference on Intelligent Engineering Systems (INES)

作者： A. Peterkova M. Stremy Faculty of Materials Science and Technology in Trnava Institute of Applied Informatics Automation and Mathematics

Human walking is closely linked with a strategy called the double pendulum. The motion of the two legs is coordinated so that one foot or the other is always in contact with the ground. In our paper we propose a vision-based method for the human gait recognition using the Kinect sensor. The skeletal information about the human joints was used to define the parameters for the person identification.

关键词： Legged locomotion Identification of persons Joints Foot Support vector machines Floors Feature extraction

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