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International Siberian Conference on Control and Communications

作者： Jaroslav Hlava Nikita Zemtsov Galina Frantsuzova Institute of Mechatronics and Computer Engineering Faculty of Mechatronics Informatics and Interdisciplinary Studies Technical university of Liberec Liberec Czech Republic Automatics Department Faculty of Automation and Computer Engineering Novosibirsk State Technical University Novosibirsk Russian Federation

ISBN: (纸本)9781467383844

The work deals with usage of classical PID controller to maintain balance between electricity consumption and production using concepts of smart grid and virtual power plant. Aggregated control of large groups of thermostatically controlled loads can be used for ancillary services provision. The focus is on secondary control and peak-shaving, which are a part of the power balance problem. Calculation of PID controller parameters are based on the localization method. The main idea of the localization method is using a derivatives vector of the controlled variable for manipulated variable calculation. The highest derivative implicitly contains full information about plant's state at the current moment. The dynamics of individual building with heaters is described by second order equivalent thermal parameters (ETP) model. The obtained results show that aggregate response of large population of electrical space heaters can meet the requirements on both of the problems. Nevertheless, there are still a lot of issues remaining open: influence of the hysteresis parameter, and using suitable sampling time in order to lower demand on the communication infrastructure.

关键词： smart grid power balance PID controler localization method secondary control peak shaving thermostatically controlled load aggregate modelling equivalent thermal parameters model

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Active control and monitoring functions with microlocation in Building Automation and Control Systems - case study

Active control and monitoring functions with microlocation i...

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International Conference on Emerging Technologies and Factory Automation (ETFA)

作者： Andrzej Ożadowicz Jakub Grela Michał Zieliński Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering AGH University of Science and Technology Krakow Poland ASTOR - Technology Meets Human Krakow Poland

ISBN: (纸本)9781509013159

Nowadays, crucial parts of modern Building Automation and Control Systems (BACS) are active control and monitoring functions. Many of research have been conducted to investigate the support of location-based services (LBS) for individuals in the BACS. Since microlocation technology could be used to enable reliable and precise indoor positioning and navigation, an indoor positioning system (IPS) has been proposed as an attractive way for activity recognition and support LBS. In this paper an investigation of using microlocation with Bluetooth Low Energy technology to develop an active BACS has been presented. Case study of such system is described and the results from verification of reliability and accuracy of localization process have been discussed.

关键词： Buildings Robots Mobile handsets Control systems Integrated circuits Reliability Sensors

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Modelling the generic TiO2 memristor with the parasitic components

Modelling the generic TiO2 memristor with the parasitic comp...

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International Conference on Signals and Electronic Systems, ICSES

作者： Bartłomiej Garda Maciej J. Ogorzałek Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering AGH University of Science and Technology Kraków Poland Department of Information Technologies Faculty of Physics Astronomy and Applied Computer Science J agiellonian University Kraków Poland

In this paper the problem of existence of parasitic components in a real memristor has been analysed. These unwanted components have some impacts on behaviour of the memristors causing discrepancies in the observed dynamic characteristics. To model this kind of behaviour additional L and C elements have to be introduced in the memristor model. Simulation tests have been carried out to uncover the changes of behaviour caused by the introduced parasitics. Several graphs show comparisons between characteristics of an ideal element and the model of real one with parasitics.

关键词： Memristors Integrated circuit modeling Hysteresis Mathematical model Analytical models Resistance

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Design of a controller for stabilization of spherical robot's sideway oscillations

Design of a controller for stabilization of spherical robot'...

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International Conference on Methods and Models in Automation and Robotics (MMAR)

作者： Kacper Landa Adam Krzysztof Pilat Master's student at Automatic Control and Robotics AGH University of Science and Technology Cracow Poland Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering Cracow Poland

In this study, the dynamics and control aspects of a spherical rolling robot's lateral motion are investigated. An approximate, simplified to a single plane, mathematical model is derived using Lagrange equations to check stability of the system. Utilizing the fusion of sensor data, a precise orientation measurement is achieved. Document focuses on a synthesis of a PID controller reducing sideway oscillations that occur in motion of a spherical robot with internal pendulum mechanism.

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Data Understanding Techniques for Management Application and Cryptography

Data Understanding Techniques for Management Application and...

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International Conference on Intelligent Networking and Collaborative Systems (INCOS)

作者： Marek R. Ogiela Lidia Ogiela Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering AGH University of Science and Technology Krakow Poland AGH University of Science and Technology Cryptography and Cognitive Informatics Research Group Krakow Poland

In this paper will be described the way of using data understanding techniques for semantic information extraction and data meaning evaluation. Extracted information may be then used for performing some management tasks and security actions. It may play important role in advanced secure management applications and intelligent access control to secure data. Such techniques allow extending security procedures and have a great influence for creation new areas of security like personalized cryptography.

关键词： Semantics Cryptography Information management Data mining Protocols

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Editorial note on cellular automata in theoretical computer science

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Journal of Cellular Automata 2016年第1-2期12卷 1-5页

作者： Sirakoulis, Georgios Ch. Wąs, Jaroslaw Department of Electrical and Computer Engineering University Campus DUTh Xanthi671 00 Greece AGH University of Science and Technology Faculty of Electrical Engineering Automatics IT and Biomedical Engineering Department of Applied Computer Science al. Mickiewicza 30 Kraków30-059 Poland

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Design and start-up of spherical robot with internal pendulum 10

Design and start-up of spherical robot with internal pendulu...

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10th International Workshop on Robot Motion and Control, RoMoCo 2015

作者： Landa, K. Pilat, A.K. AGH University of Science and Technology Cracow Poland AGH University of Science and Technology Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering Department of Automatics and Biomedical Engineering Mickiewicza 30 Krakow30-059 Poland

Mobile robots are the subject of many studies in robotics. Nevertheless, there is still a lot to be done in this field of knowledge, especially if it comes to ball-shaped constructions. This document focuses on a desi... 详细信息

ISBN: (纸本)9781479970438

关键词： Pendulums

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Excitation of a single cut-on mode by means of a planar mode synthesizer composed of several point sources - Theory and experiment 10

Excitation of a single cut-on mode by means of a planar mode...

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10th European Congress and Exposition on Noise Control engineering, Euronoise 2015

作者： Snakowska, Anna Gorazd, Lukasz Kolber, Karolina Flach, Artur Jurkiewicz, Jerzy AGH University of Science and Technology Faculty of Mechanical Engineering and Robotics Krakow Poland AGH University of Science and Technology Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering Krakow Poland

The paper presents a method proposed by the authors to generate a single user-selected waveguide cut-on mode by means of mode synthesizer consisting of a set of point sources, each of them modelled by thin pipe outlet and driven by a separate loudspeaker. Analysis of sound propagation in duct-like facilities frequently calls for considering the presence of higher cut-on modes together with the phenomena of their reflection/coupling occurring on outlets, impedance variation, etc. And so, with increasing reduced frequency (Helmholtz number), description of the field becomes more and more complex. To avoid this complexity, the simplest approach seems to be to generate a single cut-on mode by means of a properly constructed source. Based on theoretical analyses carried out by means of the in-duct Green's function the authors designed mode synthesizer composed of N ≤ 13 point sources which was constructed and integrated into the measurement duct. The measurements were carried out for some reduced frequencies allowing for propagation of at least four cut-on modes. Combination of rotary motion of the mode synthesiser and microphone positioning along the duct diameter allowed to measure automatically the acoustic pressure in points uniformly distributed on the duct cross section. Copyright © (2015) by EAA-NAG-ABAV, All rights reserved

关键词： Acoustic variables control

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An Architecture to use Easy Java-Javascript Simulations in New Devices

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IFAC-PapersOnLine 2015年第29期48卷 129-133页

作者： Saenz, Jacobo Esquembre, Francisco Garcia, Felix J. Torre, Luis De La Dormido, Sebastian Computer Science and Automatics Department Computer Science School UNED Juan del Rosal 16 Madrid Spain Mathematics Faculty Universidad de Murcia Campus de Espinardo Murcia30071 Spain Departament of Computer Engineering and Technology Informatics Faculty Universidad de Murcia Campus de Espinardo Murcia30071 Spain

Nowadays, virtual and remote laboratories play an important role in the students' learning process. For distance education in scientific areas, where the laboratories are an essential part, this importance is especially relevant. In the last years, the newly discovered Java vulnerabilities and the new devices which do not support Java applications (tablets and smart-phones), make even harder to run or develop these laboratories as Java applications. On the one hand, a non-digitally signed applet cannot be run in a web browser or in a smart-phone. On the other hand, portable devices, like a pc-tablet, have limited computation resources, and sometimes it is not enough to run complex simulations. EjsS (Easy Java-Javascript Simulations) is an open source tool used for creating all kind of simulations by introducing the equations of the model, and building a graphical user interface (GUI) for the application. This work presents a solution to the two previous problems that appear when using EjsS. Both are resolved using a Java model that runs in a server and takes the heavier computational load. This Java model is linked with a Javascript GUI in the client device. The link is based on a web-socket connection between server and client using a JSON format. The proposed solution has additional advantages, such as the possibility of multiple users working with the same model, or reusing an already existing Java application by just building a new Javascript view. © 2015, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.

关键词： Open source software Control engineering Digital computers Distance education Education Education computing Graphical user interfaces High level languages Laboratories Smartphones Telephone sets Complex simulation Computation resources Computational loads Graphical user interfaces (GUI) Open source tools Remote laboratories Simulation Socket connections

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Fuzzy Vault Schemes in Multi-secret Digital Steganography

Fuzzy Vault Schemes in Multi-secret Digital Steganography

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International Conference on Broadband, Wireless Computing, Communication and Applications (BWCCA)

作者： Katarzyna Koptyra Marek R. Ogiela Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering Krakow Poland

This paper presents a new idea of hiding many secrets using fuzzy vault schemes. In this approach with each secret is linked corresponding key in the form of unordered set. The requirement that these sets have to satisfy is disjunctiveness. For an unauthorized user multi-secret form of fuzzy vault is identical as standard one. During revealing, depending on used key, corresponding secret is decoded. Described concept is suitable for using with biometrics. It can also work in cooperation with false steganography where every biometric trait encodes different steganographic key.

关键词： Fingerprint recognition Cryptography Receivers Biomedical engineering Standards

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