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2017 International Conference on computer-Human Interaction Research and Applications, CHIRA 2017

作者： Papuc, Dalia Bălan, Oana Dascălu, Maria-Iuliana Moldoveanu, Alin Morar, Anca University Politehnica of Bucharest Faculty of Engineering in Foreign Languages Splaiul Independentei Bucharest313 Romania University Politehnica of Bucharest Faculty of Automatic Control and Computer Science Splaiul Independentei Bucharest313 Romania

ISBN: (纸本)9789897582677

Creativity tasks require specific imagery, memory and semantic processes, as it has been revealed by various neuroscientific studies. There is significant evidence that an increase of spectral power in the EEG alpha band is inter-related with creative ideation as a form of top-down activity. However, any creational task demands a certain level of cognitive load or workload for memory retrieval, mental schemes design, semantic processing, image formation and concept construct. This paper aims to measure cognitive load during a series of divergent thinking creative tasks accompanied by relaxation music, to examine event-related brain activation and raw power measures in the baseline relaxation, alternate uses creative and verbalization stages of the proposed experimental procedure, as well as to study task-related synchronization/desynchronization between these phases. Also, its purpose is to verify whether slow relaxing music influences creativity, with effects in the brainwaves amplitude variations, especially in the alpha (8-12 Hz) frequency band. We concluded that relaxing music induces creativity and causes an increase in the alpha brain waves for innovative ideas generation and verbalization with a diminished level of cognitive load. Copyright © by SCITEPRESS - Science and Technology Publications, Lda. All rights reserved

关键词： Neurophysiology

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Telemetric System for Silesian Greenpower's Vehicle

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IOP Conference Series: Materials Science and engineering 2019年第1期564卷

作者： A Stalica M Błachuta A Baier P Żur A Kołodziej P Konopka M Komander Silesian University of Technology Faculty of Automatic Control Electronics and Computer Science Akademicka 16 44-100 Gliwice Poland Silesian University of Technology Faculty of Mechanical Engineering Konarskiego 18B 44-100 Gliwice Poland

The paper presents stages of creating a measurement system for a light-weight electric vehicle of the Silesian Greenpower team. The aim of the work was to design a measuring device and mobile application for drivers and the team. The system itself consists of a measuring device, applications for Android and Windows. The purpose of the device was to provide information about the car in real time. The collected data is saved and displayed on the driver's phone. At the same time, the data is stored in a database, which allows the whole team to observe current parameters. Working of the measurement system has been described in the paper. Screenshots from individual applications, a specification of selected sensors and source code of the created applications have been presented. The summary of the project are graphs showing the smooth operation of the measurement system during races taking place on the Rockingham circuit in the UK.

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Implementation of Non-Integer Order Filtering for the Purpose of Disparities Detection in Beta Frequencies - A Pilot Study

Implementation of Non-Integer Order Filtering for the Purpos...

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International Conference on Methods and Models in Automation and Robotics

作者： Aleksandra Kawala-Janik Magda Zolubak Waldemar Bauer Bartosz Nazimek Tomasz Sobolewski Radek Martinek Marcin Sowa Mariusz Pelc Faculty of Electrical Engineering Automatic Control and Informatics Opole University of Technology Opole Poland Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering AGH University of Science and Technology Krakow Poland Department of Neurosurgery University Hospital in Opole Opole Poland Faculty of Electrical Engineering Silesian University of Technology Gliwice Poland Department of Cybernetics and Biomedical Engineering VSB-Technical University of Ostrava Ostrava Czech Republic

In this work the authors of the hereof paper describe pilot study on implementation of fractional order filtering applied for the purpose of disparities detection in Beta Frequencies. The Beta waves frequency range can be split into three sections, where the information provided by particular section enables more accurate medical diagnosis. Spectral analysis used in this study allowed appropriate isolation of the Beta waves. Implementation of non-integer order filtering in such study is innovative and provided some promising results.

关键词： Electroencephalography Spectrogram Electronic mail Frequency measurement Transfer functions Electrical engineering Stress

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VLAN-PSSR: Port-switching based Source Routing using VLAN tags in SDN data centers

UPB Scientific Bulletin, Series C: Electrical Engineering an...

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UPB Scientific Bulletin, Series C: Electrical engineering and computer Science 2017年第2期79卷 15-24页

作者： Poncea, Ovidiu Mihai Moldoveanu, Florica Asavei, Victor Dept of Computer Science and Engineering Faculty of Automatic Control and Computers University POLITEHNICA of Bucharest Romania

Source Routing allows a node in the path of a packet to specify partially or completely the route taken by that packet. The route is appended to packet header as a list of nodes to traverse, therefore making simple, stateless forwarding decisions. In this paper, we present a novel approach of Source Routing in SDN that uses stacked VLAN tags. Our solution was validated in Mininet using the Ryu controller and proven to have multiple advantages over other forwarding methods.

关键词： Mininet Networking SDN Source Routing VLAN

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Classification of an imbalanced data set using decision tree algorithms

UPB Scientific Bulletin, Series C: Electrical Engineering an...

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UPB Scientific Bulletin, Series C: Electrical engineering and computer Science 2017年第4期79卷 69-84页

作者： Truicǎ, Ciprian-Octavian Leordeanu, Cǎtǎlin Adrian Computer Science and Engineering Department Faculty of Automatic Control and Computers University Politehnica of Bucharest Bucharest Romania

Machine learning algorithms have recently become very popular for different tasks involving data analysis, classification or prediction. They can provide valuable knowledge for very large sets of data and can reach very good accuracy. However, most algorithms are sensitive to the nature of the data sets, as well as different calibrations which can lead to large differences in performance, accuracy or false positives. In this paper, a classification solution for imbalanced data sets containing information about defects of various trees is presented. The experimental results present a comparison that evaluates the classification performance of the Decision Tree, Random Forest, and Extremely Randomized Trees classifiers. The measures used in the comparison take into account weighted accuracy, precision, and recall for binary and multi-class classification.

关键词： Classification (of information)

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Formative assessment application with social media integration using computer adaptive testing techniques 12

Formative assessment application with social media integrati...

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12th International Conference on e-Learning, ICEL 2017

作者： Dascalu, Maria-Luliana Nitu, Melania Alecu, Gabriel Bodea, Constanta-Nicoleta Moldoveanu, Alin Dragos Bogdan Department of Engineering in Foreign Languages Faculty of Engineering in Foreign Languages University Politehnica of Bucharest Romania Department of Economic Informatics and Cybernetics Faculty of Economic Cybernetics Statistics and Informatics Bucharest University of Economic Studies Romania Computer Science and Engineering Department Faculty of Automatic Control and Computers University Politehnica of Bucharest Romania

ISBN: (纸本)9781911218357

Individual instruction is recognized as an effective learning method which is highly supported by the so-called personalized, intelligent or adaptive systems. The main purpose of this learning method is to offer customized content, experience or tools, based on the learning profile of students (learning style, gender, prior knowledge, learning goals and so on), so as to improve the learning outcomes. There are two wide-known adaption techniques implemented by learning systems to provide individual instruction: adaptability and adaptivity. The first one allows the students to take control, e.g. The learning system provides choices to let the students adapt the steps, sequences, difficulty level, preferences, while the second empowers the system, which is able to build a student model and to provide learning support based on that model. The current paper presents PoliCAT-A learning system based on computer Adaptive Testing (CAT) principle, which implements the second adaption technique (adaptivity) to provide individual instruction. Furthermore, the proposed web-based application supports the new learning paradigms, e.g. student-centered learning, communities of practice, and constructivism in general and relies on the current technologies-Web 2.0 and social Web, as students are able to share one's results on social media. The system is described as a useful tool for self-regulated learning, answering thus at the question whether assessment may have a strong formative role in learning or not. Besides highlighting the key features of the application, the paper provides experimental results from a web programming course for forth year students enrolled in an engineering degree program, who used the developed system as a learning tool during one semester. Students reported that they succeeded in strengthening their study skills and monitoring their academic progress through the learning analytics features. The available personalized feedback PoliCAT, as well as the possi

关键词： Students

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Plenary Lectures

Plenary Lectures

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Mediterranean Conference on control and Automation (MED)

作者： Bart De Moor Yasamin Mostofi Maryam Kamgarpour Zdenko Kovačić Maja Cepanec Airlie Chapmar Mehran Mesbahi Department of Electrical Engineering (ESAT-STADIUS) KU Leuven Leuven Belgium Department of Electrical & Computer Engineering University of of California Santa Barbara CA USA Automatic Control Laboratory Swiss Federal Institute of Technology Zurich Zurich Switzerland University of Zagreb Faculty of Electrical Engineering and Computing University of Zagreb Faculty of Education and Rehabilitation Sciences University of Melbourne Australia University of Washington USA

The following topics are dealt with: control system synthesis; stability; nonlinear control systems; closed loop systems; robust control; feedback; Lyapunov methods; mobile robots; uncertain systems; and position cont... 详细信息

ISBN: (纸本)9781538674994;9781538678909

关键词： Robot sensing systems Electrical engineering Education Autism Robot kinematics Decision making

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Method of programming of sequential control systems using LabVIEW environment

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IFAC-PapersOnLine 2016年第25期49卷 476-481页

作者： Wcislik, Miroslaw Suchenia, Karol Laskawski, Michal S. Faculty of Electric Engineering Automatic Control and Computer Science Kielce University of Technology Poland

The paper deals with the new methodology of programming of sequential control systems in Lab VIEW language. By similarity to the SFC language and use of only a few defined blocks and connections, the proposed approach makes it easy to construct and analyze program of control system. The methodology uses only basic elements of the Lab VIEW language. That is why it may be used in wide variety of control devices including FPGA. © 2016

关键词： control systems Flip flop circuits Block diagrams decoders Graphical languages LabViEW Sequence control

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New optimal settings of PI and PID controllers for the first-order inertia and dead time plant

New optimal settings of PI and PID controllers for the first...

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International Scientific Conference on Electric Power engineering (EPE)

作者： Michal S. Laskawski Miroslaw Wcislik Faculty of Electric Engineering Automatic Control and Computer Science Kielce University of Technology Kielce Poland

ISBN: (纸本)9781509064076

The paper deals with the PI and PID controllers settings. The research includes an overview of the most commonly used control quality criteria. It was assumed that the controlled system can be approximated by first order inertia with dead time. The control systems that includes the model as well as the PI and PID controllers were analyzed in context of control quality taking into account ITAE criterion. The research involved an analysis of the Nyquist diagrams. It enabled us to formulate a new method of tuning of PI and PID controllers. The results obtained with the proposed method were compared to the settings obtained with Ziegler-Nichols method. To illustrate the advantages of the proposed method the system step responses as well as their time and frequency indexes were compared and presented. The proposed method of the PI and PID controller tuning makes it possible to obtain a significant increase of the control quality.

关键词： control systems Mathematical model Tuning Stability criteria Oscillators Steady-state

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Effects of complex motion in a new cantilever-beam nonlinear electromagnetic vibration energy harvester 18

Effects of complex motion in a new cantilever-beam nonlinear...

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18th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic engineering, ISEF 2017

作者： Jagiela, Mariusz Kulik, Marcin Faculty of Electrical Engineering Automatic Control and Computer Science Opole University of Technology Opole Poland

ISBN: (纸本)9781538616611

A new cantilever-beam nonlinear electromagnetic vibration energy harvester with noticeable effects of complex motion composed of relative displacement and torsion of the vibrating element is considered. The analysis of frequency characteristics carried out using the finite element models shows significant differences regarding generated output voltage and frequency bandwidth when detailed 2-d variations of the magnetic force components are taken into account. © 2017 IEEE.

关键词： Energy harvesting

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