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2012 International Conference on Information and Computer Applications (ICICA 2012)

作者： Peter Hamernik Dusan Mudroncik Pavol Tanuska Institute of Applied Informatics Automation and MathematicsSlovak University of TechnologyPaulinska 16917 24 Trnava Slovakia

he selection of Smart Home(short of SH") function is now generally *** functions SH have not been processed *** new approach is that the first steps in the design function specify the type of user and for the selected type of user specified function *** paper outlines two types of *** first problem involves the identification of specific functions based on the types of users of the *** second problem is the proposal of support software system which can access an interactive designer to formulate specific requirements by *** are then processed in the form of automatically generated text user requirements.

关键词： Smart home,Functions of Smart Home,Type of user

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A modification of gradient policy in reinforcement learning procedure

A modification of gradient policy in reinforcement learning ...

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International Conference on Interactive Collaborative Learning (ICL)

作者： Marcel Abas Tomáš Skripčák Institute of Applied Informatics Automation and Mathematics Faculty of Materials Science and Technology in Trnava Slovak University of Technology in Bratislava Trnava Slovak Republic

ISBN: (纸本)9781467324250

The gradient of a scalar function is frequently used in various areas of mathematics. In informatics it can be used, for example, in the process of learning procedure of many control systems. The key observation is that gradient, if it is a non-zero vector, is a vector in the direction of greatest rate of the scalar function. In this contribution we show a method how to determine the direction(s) even if the gradient is zero vector. We show that this can be done with the knowledge which students have it their stage of study.

关键词： Vectors Learning Educational institutions Robots Control systems informatics automation

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Vibration Suppression of a Flexible Structure

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Procedia Engineering 2012年 48卷 233-241页

作者： Vladímir Villaverde Huertas Boris Rohaľ-Ilkiv Institute of Automation Measurement and Applied Informatics Faculty of Mechanical Engineering Slovak University of Technology in Bratisava N‡mestie Slobody 17 812 31 Bratislava Slovak Republic

This work addresses the solution to the problem of active vibration suppression of a cantilever beam using piezoelectric actuation. For this purpose, we are taking advantage of the effectiveness of the positive position feedback control strategy (PPF) in order to control first mode vibrations of the analyzed beam. This control technique is well-known in the literature as a modal control method for vibration attenuation. The PPF controller accomplishes its best performance if tuned properly to the characteristics of the structure to be controlled. According to this we are going to realize the modal analysis of the cantilever beam utilizing the finite element method in Ansys to determine the structural frequency corresponding to the first mode, which is used as PPF controller frequency. On the other hand, we shall obtain the state-space representation of the cantilever beam using the subspace identification method in frequency domain applying the fast fourier transformation (FFT). Furthermore, we will simulate the discrete-time PPF controller using Matlab/Simulink. Lastly, the simulink designed discrete-time PPF controller will be tested using an xPC Target real-time system.

关键词： Piezoelectric Actuation Positive Position Feedback Vibration Suppression Modal Analysis Subspace Identification Method

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Solving a Four-Point Boundary Value Problem Fordynamical Systems with High-Speed Feedback with MATLAB

Solving a Four-Point Boundary Value Problem Fordynamical Sys...

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2012 International Conference on Affective Computing and Intelligent Interaction(ICACII 2012)

作者： Robert Vrabel Peter Schreiber Oliver Moravcik Ingrida Mankova Institute of Applied Informatics Automation and MathematicsFaculty of Materials Science and TechnologyHajdoczyho 1917 01 TrnavaSlovakia

This submission deals with the four-point boundary value problem for the nonlinear second-order systems with high-speed ***,we focus on the simulation techniques of the solutions on given finite length interval from an appearance of the so-called boundary layers point of *** layers correspond to the rapid region of transition in the exact *** Perturbation Theory is the mathematical framework that yields the tools to explore the complicated dynamical behavior of these systems.

关键词： Dynamicalsystemswith high-speed feedback,four-point boundary value problem,MATLAB

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Ethologically inspired human-robot communication for monitoring support system in intelligent space

Ethologically inspired human-robot communication for monitor...

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10th IFAC Symposium on Robot Control, SYROCO 2012

作者： Ichikawa, Takuya Beppu, Wataru Kovács, Szilveszter Korondi, Peter Hashimoto, Hideki Niitsuma, Mihoko Dept. of Precision Mechanics Chuo University Tokyo Japan Department of Automation University of Miskolc Miskolc Hungary Computer and Automation Research Institute of the Hungarian Academy of Sciences Dept. of Mechatronics Optics and Applied Informatics Budapest University of Technology and Economics Budapest Hungary Dept. of Electrical Electronic and Communication Engineering Chuo University Tokyo Japan

ISBN: (纸本)9783902823113

This paper presents human-robot communication for a monitoring support system in an Intelligent Space. An Intelligent Space (iSpace) is a space in which many intelligent devices are installed to observe the user's environment. In this paper, we apply the iSpace observation function to a monitoring system used for maintaining the safety of elderly persons receiving home-care support. In addition, we use a mobile robot as a tool to deliver monitoring results to care assistants. We focus on an ethological approach for designing robot behaviors for human-robot communication. The implementation of these robot behaviors based on an ethological approach, and the results of an experiment conducted to evaluate these behaviors, are then presented. © 2012 IFAC.

关键词： Monitoring

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Algorithms to Improve Tag Clouds

Algorithms to Improve Tag Clouds

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International Conference on Emerging Trends in Engineering and technology, ICETET

作者： Ágnes Bogárdi-Mészöly András Rövid Hiroshi Ishikawa Department of Computer Science Shizuoka University Japan Department of Automation and Applied Informatics Budapest University of Technology and Economics Hungary Institute of Applied Mathematics Óbuda University Hungary

The spread of Web 2.0 has caused user-generated content explosion. Users can tag resources in order to describe and organize them. Tag clouds are visually depicted tags in order to facilitate browsing among numerous tags and resources. The goal of our paper is to improve tag clouds with vocabulary refinement and enhanced reference counts. Namely, three novel algorithms have been proposed to correct spelling and clerical errors, contract tags, and improve reference counts. The provided algorithms have been validated and verified on real-world tag clouds of a thesis portal.

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Moving Horizon Observer for vibration dynamics with plant uncertainties in nanopositioning system estimation

Moving Horizon Observer for vibration dynamics with plant un...

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American Control Conference (ACC)

作者： Tomáš Polóni Arnfinn Aas Eielsen Boris Rohal'-Ilkiv Tor Arne Johansen Institute of Automation Measurement and Applied Informatics at the Faculty of Mechanical Engineering Slovak University of Technology Bratislava Slovakia Department of Engineering Cybernetics at the Norwegian University of Science and Technology Trondheim Norway

ISBN: (纸本)9781457710957

This paper considers the estimation of states and parameters of a Single-Degree-of-Freedom (SDOF) vibration model in nanopositioning system based on a nonlinear Moving Horizon Observer (MHO). The MHO is experimentally tested and verified on measured data. The information about the displacement and speed together with the system parameters and unmodeled force disturbance is estimated through the Sequential Quadratic Programming (SQP) optimization procedure. The MHO provided superior performance in comparison with the benchmark method Extended Kalman Filter (EKF) in terms of faster convergence.

关键词： Vectors Noise Mathematical model Vibrations Covariance matrix Force Equations

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Comparison of sensor configurations for mass flow estimation of turbocharged diesel engines

Lecture Notes in Control and Information Sciences

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Lecture Notes in Control and Information Sciences 2012年 418卷 303-326页

作者： Polóni, Tomáš Rohal'-Ilkiv, Boris Alberer, Daniel Del Re, Luigi Johansen, Tor Arne Institute of Automation Measurement and Applied Informatics Faculty of Mechanical Engineering Slovak University of Technology Bratislava Slovakia Institute for Design and Control of Mechatronical Systems Johannes Kepler University Linz Austria Department of Engineering Cybernetics Norwegian University of Science and Technology Trondheim Norway

ISBN: (纸本)9781447122203

The increasing demands on quality of power, emissions and overall performance of combustion engines lay new goals for the hardware and the software development of control systems. High-performance embedded controllers open the possibilities for application of numerical methods to solve the problems of modeling and control of combustion engines. Algorithms for estimation of state and parameters are essential components of many advanced control, monitoring and signal processing engine applications. A widely applicable estimator is given by the Extended Kalman Filter (EKF) which defines a finite memory recursive algorithm suited for real-time implementation, where only the last measurement is used to update the state estimate, based on the past history being approximately summarized by the a priori estimate of the state and the error covariance matrix estimate. The proposed EKF uses an augmented air-path state-space model to estimate unmeasurable mass flow quantities. The EKF algorithm based on the augmented state-space model considerably reduces the modeling errors compared to the open loop estimator simulation and compared to the EKF without the augmentation which is demonstrated on a standard production Diesel engine data. The experimental validation of the observed state quantities is performed against the measured pressures and turbocharger speed data. The estimated mass flow quantities are indirectly validated through the air compressor flow that is directly validated against air mass flow sensor data. Two two-sensor setups are considered in this study. In the first experiment the intake manifold pressure and the turbocharger speed is used. The second experiment uses the intake manifold pressure and the exhaust manifold pressure as the measurement information for the EKF. The second experiment gives more precise mass flow estimate in term of less bias on the estimates, but more variance due to the high frequency exhaust manifold pressure variations caused by the

关键词： Mass transfer

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Hardware-in-the-Loop approach to the development and validation of precision induction motor servo drive using xPC Target

Hardware-in-the-Loop approach to the development and validat...

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International Joint Conference on Computer Science and Software Engineering (JCSSE)

作者： Nguyen-Vu Truong Duc-Lung Vu Intelligent Robotics and Automation Laboratory (IRAL) Institute of applied mechanics and informatics Vietnam academy of science and technology Ho Chi Minh Vietnam Vietnam National University Ho Chi Minh Vietnam

The development of a Hardware-in-the-Loop (HiL) simulation platform for precision induction motor (IM) servo drive development, evaluation and testing of various control architectures is described in this paper. The platform uses industrial graded hardware components, i.e. Mitsubishi IGBT inverter, 3-phase induction motor and incremental optical encoder as well as various measurement sensors. Its main computational core is implemented using an xPC Target platform which enables rapid validation, prototyping and deployment of various control algorithms via Matlab & Simulink.

关键词： Induction motors Torque Torque control Real time systems Mathematical model Stators Current measurement

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Ethologically Inspired Human-Robot Communication for Monitoring Support System in Intelligent Space

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IFAC Proceedings Volumes 2012年第22期45卷 58-63页

作者： Takuya Ichikawa Wataru Beppu Szilveszter Kovács Peter Korondi Hideki Hashimoto Mihoko Niitsuma Dept. of Precision Mechanics Chuo University Tokyo Japan Department of Automation University of Miskolc Miskolc Hungary Computer and Automation Research Institute of the Hungarian Academy of Sciences Dept. of Mechatronics Optics and Applied Informatics Budapest University of Technology and Economics Budapest Hungary Dept. of Electrical electronic and communication engineering Chuo University Tokyo Japan

关键词： human-robot communication Intelligent Space ethology

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