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7th Balkan Conference in Informatics, BCI 2015

作者： Leon, Florin Atanasiu, Gabriela M. Bunea, Georgiana Faculty of Automatic Control Department of Computer Engineering Technical University Gheorghe Asachiof Iaşi Bd. Mangeron 27 Iaşi700050 Romania Faculty of Civil Engineering And Building Services Technical University Gheorghe Asachi of Iaşi Bd. Mangeron 43 Iaşi700050 Romania

ISBN: (纸本)9781450333351

Great disasters such as earthquakes can cause large disruptions in the normal lives of people, as well as human and material losses. Therefore, risk management measures are always necessary to reduce or avoid potential damage, to respond promptly and provide assistance to victims, and achieve effective recovery. In this paper we describe a multiagent system that models the evacuation behaviour of people in post-disaster situations. We analyse several scenarios in the North-Eastern region of Romania assuming that the critical bridges in the area are subjected to different levels of damage. The simulation results, such as the time needed for the people to reach available shelters or the routes taken by different groups of people can provide decision makers with valuable information that can be used to reinforce critical infrastructure and to provide recommendations in order to optimize the evacuation process. © 2015 ACM.

关键词： Multi agent systems

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Results of load's observation for selected marine electric power plants systems in floating objects

Results of load's observation for selected marine electric p...

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Selected Problems of Electrical engineering and Electronics (WZEE)

作者： Zbigniew Matuszak Grzegorz Nicewicz Jozef Stoklosa Andrzej Kaplon Rafał Jurecki Faculty of Marine Engineering Maritime University of Szczecin Szczecin Poland University of Economics and Innovations in Lublin Lublin Poland Faculty of Electrical Engineering Automatic Control and Computer Science Faculty of Mechatronics and Mechanical Engineering Kielce University of Technology Kielce Poland

Some aspects of marine electric power plants load registration and identification have been presented. Methods of operating data collecting about marine electric power plant loads have been shown based on an example of three vessels - a chemical tanker, a container ship and a tanker. Power plants of these vessels have been described. Examples of collected operating data were presented. Range of marine electric power plant load identification research has been characterized, which presented in the paper results are a part of.

关键词： Marine vehicles Engines Power generation Containers Generators Loading Power systems

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Implementation of object-oriented programming in study of electrical race car

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IOP Conference Series: Materials Science and engineering 2016年第4期145卷

作者： M Nowak M Baier Silesian University of Technology Faculty of Automatic Control Electronics and Computer Science 16 Akademicka Street 44-100 Gliwice Poland Silesian University of Technology Faculty of Mechanical Engineering 18A Konarskiego Street 44-100 Gliwice Poland

The paper covers issue of conducting advanced research of electrical race car participating in international competition called Sileverline Corporate Challenge. Process of designing race cars in Silesian Greenpower team is aided by a professional engine test stand built particularly in purpose of this research. Phase of testing and simulation is an important part of the implementation of new technologies. Properly developed solutions and test procedures are able to significantly shorten development time and reduce design costs. Testing process must be controlled by a modular and flexible application, easy to modify and ensuring safety. This paper describes the concept of object-oriented programming in LabVIEW and exemplary architecture of object-oriented control application designed to control engine test stand of the electrical race car. Eventually, the task of application will be to steer the electromagnetic brake and the engine load torque to perform according to data from the actual race track. During the designing process of the car, minimizing energy losses and maximizing powertrain efficiency are the main aspects taken into consideration. One of the crucial issues to accomplish these goals is to maintain optimal performance of the motor by applying effective cooling. The paper covers the research verifying the effectiveness of the cooling system.

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Estimation of electromagnetic parameters of an induction motor multi-loop equivalent circuit based on the machine inductance frequency characteristic

Estimation of electromagnetic parameters of an induction mot...

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Selected Problems of Electrical engineering and Electronics (WZEE)

作者： Jaroslaw Rolek Andrzej Kaplon Grzegorz Utrata Politechnika Swietokrzyska Kielce PL Faculty of Electrical Engineering Automatic Control and Computer Science Kielce University of Technology Kielce Poland Institute of Environmental Engineering Czestochowa University of Technology Czestochowa Poland

The variability of electromagnetic parameters of induction motors with deep-bar cage or solid rotors is represented, with a satisfactory approximation, by the machine secondary multi-loop equivalent circuit with constant lumped parameters. An estimation procedure of electromagnetic parameters of such an equivalent circuit is presented in the paper. The procedure is carried out using the measured frequency characteristic determined on the basis of instantaneous values of investigated induction motor electromechanical quantities. The study has been subjected to an induction motor with a solid rotor manufactured from the magnetic material, i.e. a machine characterized by a significant skin effect occurring in rotor solid conductive elements.

关键词： Rotors Induction motors Inductance Frequency measurement Stator windings Magnetic flux

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Positive Solutions for Systems of Coupled Fractional Boundary Value Problems

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Open Journal of Applied Sciences 2015年第10期5卷 600-608页

作者： Johnny Henderson Rodica Luca Alexandru Tudorache Department of Mathematics Baylor University Waco Texas USA Department of Mathematics Gh. Asachi Technical University Iasi Romania Faculty of Computer Engineering and Automatic Control Gh. Asachi Technical University Iasi Romania

We investigate the existence and nonexistence of positive solutions for a system of nonlinear Riemann-Liouville fractional differential equations with coupled integral boundary conditions which contain some positive c... 详细信息

关键词： Riemann-Liouville Fractional Differential Equations Coupled Integral Boundary Conditions Positive Solutions

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An artificial vision solution for reusing discarded parts resulted after a manufacturing process

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IOP Conference Series: Materials Science and engineering 2016年第2期145卷

作者： V Cohal A Cohal Tehnical University 'Gh. Asachi' of Iaşi - Romania Faculty of Machine Manufacturing and Industrial Management Department of Machine Manufacturing Technology Blvd. Mangeron No. 59A 700050 Iasi Romania Tehnical University 'Gh. Asachi' of Iaşi - Romania Faculty of Automatic Control and Computer Engineering Department of Automatic Control and Applied Informatics Blvd. Mangeron No. 27 700050 Iasi Romania

The profit of a factory can be improved by reusing the discarded components produced. This paper is based on the case of a manufacturing process where rectangular metallic sheets of different sizes are produced. Using an artificial vision system, the shapes and the sizes of the produced parts can be determined. Those sheets which do not respect the requirements imposed are labeled as discarded. Instead of throwing these parts, a decision algorithm can analyze if another metallic sheet with smaller dimensions can be obtained from these. Two methods of decision are presented in this paper, considering the restriction that the sides of the new sheet has to be parallel with the axis of the coordinate system. The coordinates of each new part obtained from a discarded sheet are computed in order to be delivered to a milling machine. Details about implementing these algorithms (image processing and decision respectively) in the MATLAB environment using Image Processing Toolbox are given.

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Symbolic to genetic tuning of PID controllers

Symbolic to genetic tuning of PID controllers

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E-Health and Bioengineering Conference (EHB)

作者： Cătălin Nicolae Calistru Daniel Timofte Faculty of Automatic Control and Computer Engineering Gheorghe Asachi Technical University of Iasi Iasi ROMANIA Department of General Surgery Grigore T. Papa University of Medicine and Pharmacy IASI ROMANIA

ISBN: (纸本)9781467375467

Genetic algorithms (GAs) are optimization techniques inspired from natural genetics. A genetic algorithm has in view to evaluate many points in the parameter space with the aim to converge to the global optimal solution. Mathematica software is an excellent symbolic tool for hard tasks and is used in this paper. Proportional Integral Derivative (PID) control is very important for the quality of robust control, new approaches as symbolic to genetic tuning of PID controllers are excellent choice to solve this problem. A global integral index ISE (Integral of Squared Error) is minimized. At first the PID Symbolic Tuning is considered. The complicated problem of robust genetic tuning is solved. Some examples obtained by simulation are considered in both cases.

关键词： Genetics Tuning Genetic algorithms Stability criteria Sociology Statistics Robustness

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A new technique for improving pupil detection algorithm

A new technique for improving pupil detection algorithm

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International Symposium on Signals, Circuits and Systems (ISSCS)

作者： Radu Gabriel Bozomitu Vlad Cehan Robert Gabriel Lupu Cristian Rotariu Constantin Barabaşa Faculty of Electronics “Gheorghe Asachi” Technical University Iasi Romania Faculty of Computer Engineering and Automatic Control “Gheorghe Asachi” Technical University Iasi Romania “Grigore T. Popa” University of Medicine and Pharmacy Iasi Romania

In this paper are presented several techniques used for improving the pupil detection algorithm based on a head mounted eye tracking system employing an infrared video camera. The coordinates of the eye pupil center obtained by any eye tracker device are affected by many noise sources. In order to improve the pupil detection position, several different techniques of real time filtering and high frequency spikes canceling from the signal provided by the pupil detection algorithm are presented. The optimal parameters of the real time filter, depending on the application sampling frequency, have been determined.

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Introducing aceMote: An energy efficient 32 bit mote

Introducing aceMote: An energy efficient 32 bit mote

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12th International Conference on Development and Application Systems, DAS 2014

作者： Stan, Andrei Botezatu, Nicolae Faculty of Automatic Control and Computer Engineering Technical University Gheorghe Asachi Iasi Romania

ISBN: (纸本)9781479950942

Wireless sensors networks is an active research topic. The sensor nodes (i.e. motes) are the main building blocks of these networks. There is a permanent concern for building more and more efficient motes in order to satisfy the demanding specifications of a sensor network. This paper introduces a new mote device: aceMOTE which is based on a 32 bit microcontroller. The hardware structure of the mote is presented and a comparison is made with similar popular devices. An experimental analysis is made regarding the energy consumption and the results prove that a 32 bit microcontroller is a viable choice for usage in mote design compared with the more frequently used 8 bit and 16 bit microcontrollers. © 2014 IEEE.

关键词： Energy utilization

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Game controller Based On Biomedical Signals

Game Controller Based On Biomedical Signals

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International Conference on Methods and Models in Automation and Robotics

作者： Aleksandra Kawala-Janik Michal Podpora Arkadiusz Gardecki Wojciech Czuczwara Jerzy Baranowski Waldemar Bauer Faculty of Electrical Engineering Automatic Control and Informatics Opole University of Technology ul. Proszkowska 76 bud. 1 45-756 Opole Poland AGH University of Science and Technology Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering al. Mickiewicza 30 30-059 Krakow Poland

ISBN: (纸本)9781479987023

Modern, based on biomedical signals interfaces have become recently very complex, however the complexity does not always lead to increased functionality or usability. In particular, when it comes to handicapped users, the currently available solutions are far from satisfactory. In this paper an innovative approach for biomedical signals based interfaced with the implementation of an inexpensive gaming headset Emotiv EPOC was presented. The main goal was to design, and develop an intuitive and user-friendly interface based on implementation of various biomedical signals such as EEG or EMG. The project was primarily intended for handicapped users as a replacement for traditional interfaces such as keyboard or mouse, however its potential use was extended. The proposed system differs from the already existing interfaces mainly because of its versatility to work with various biomedical signals, thus enabling a single interface to be controlled with different devices. Initial investigation has proven that Emotiv EPOC headset could be applied as an inexpensive, easily available on the open market tool for Human-computer Interaction (HCI) systems for the gaming purpose.

关键词： Information Interfaces Human-computer Interaction (HCI) User Interfaces electroencephalography (EEG) Brain-computer Interfaces (BCI) non-integer filter games control gaming

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