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Transactions: WSEAS TRANSACTIONS ON ADVANCES IN ENGINEERING EDUCATION
Transactions ID Number: 27-378
Full Name: Rosa Reis
Position: Professor
Age: ON
Sex: Female
Address: Rua Dr. Bernardino de Almeida, 431, 4200-072 Porto
Country: PORTUGAL
Tel: 22 834 05 24
Tel prefix: +351
Fax: 228340524
E-mail address: rosa@dei.isep.ipp.pt
Other E-mails: rmr@isep.ipp.pt, 1071036@isep.ipp.pt
Title of the Paper: learning management system in vocational schools
Authors as they appear in the Paper: Rosa Reis, Teresa Gomes, Bruno Reis
Email addresses of all the authors:
Number of paper pages: 11
Abstract: As instruction and learning gain new dimensions in today's world due to the proliferation of information and communication technologies (ICTs) - multimedia, the Internet or the Web, as a medium to enhance instruction or as a replacement for other media-, education becomes independent of time and space. Consequentially, learners and instructors can utilize new modes of learning and communication due to the proliferation of information and communication technologies (ICTs). One of these new modes of learning and communication to support a full range of teaching and learning activities conducted by educational institutions is Moodle which facilitates online content creation and collaboration and entails various social and communication tools that support teacher-student, student-student, and teacher-teacher interactions. In the present paper, our main purpose is to demonstrate the way of using the Moodle in the education process at the Gaia Vocational School (GVS). !
The platform was characterized and promoted among the School members of GVS. The impact of this new platform (e-Courses) on the learning institution activities was evaluated through an online questionnaire, which showed high satisfaction levels with e-Courses.
Keywords: Cscl, Lms, Lcms, Vle, Open Source, Moodle, Vocational School
EXTENSION of the file: .pdf
Special (Invited) Session: Integration of Information Technology in Vocational Schools
Organizer of the Session: 591-676
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IP ADDRESS: 92.250.39.97

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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 27-377
Full Name: Nikolaos Charkiolakis
Position: Other
Age: ON
Sex: Male
Address: 17, Ermou str., 101 86, Athens
Country: GREECE
Tel: 0030 210 3230149
Tel prefix:
Fax: 0030 210 3244622
E-mail address: modermo@yahoo.gr
Other E-mails: akoumna@yahoo.gr, marialeni01@yahoo.gr
Title of the Paper: Traditional Environmental Architecture in re-use:The "Courtyard of Miracles" in Athens, Greece
Authors as they appear in the Paper: Nikolaos Charkiolakis, Aggeliki Koumna, Maria Leni, Manos Mikelakis, Maria Psallida
Email addresses of all the authors: modermo@yahoo.gr
Number of paper pages: 10
Abstract: While working out an architectural research on a quarter of buildings called the "Courtyard of Miracles" in Athens, the Directorate of Restoration of Modern and Contemporary Monuments revealed and studied certain 19th century methods of environmental cooling, heating and insulating the houses. Consequently, the Restoration Service faces a double challenge: it has to preserve the traditional ways of environmental architecture and propose contemporary methods of maintaining the thermal balance, taking into account the re-use of the whole quarter as a museum. New suggestions should not offend the traditional ones, but, on the contrary, they should bring them out.
Keywords: Traditional Building, Heritage Architecture, Ecological Restoration, Historic Sites
EXTENSION of the file: .pdf
Special (Invited) Session: Principles of 19th century urban architecture with an environmental perspective and their current development: The "Courtyard of Miracles" in the historical center of Athens, Greece
Organizer of the Session: 588232
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IP ADDRESS: 62.1.49.119

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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 27-376
Full Name: Nikolaos Charkiolakis
Position: Other
Age: ON
Sex: Male
Address: 17 Ermou str., 101 86, Athens,
Country: GREECE
Tel: 0030 210 3230149
Tel prefix:
Fax: 0030 210 3244622
E-mail address: modermo@yahoo.gr
Other E-mails: akoumna@yahoo.gr, marialeni01@yahoo.gr
Title of the Paper: Restoring the Past: the historic centre of Athens, Greece
Authors as they appear in the Paper: Nikolaos Charkiolakis, Charalambos Ioannidis, Aggeliki Koumna, Maria Leni, Maria Psallida, Andreas Georgopoulos
Email addresses of all the authors: modermo @yahoo.gr
Number of paper pages: 10
Abstract: Old housing areas, such as the historic centres of most European cities, are objects of architectural or cultural interest, since they include a large number of historic buildings and monuments dating from various historic periods. Such monuments together with their access and surrounding areas are often a unified complex, whose spatial design and operation can be fully recorded and documented by means of a 3D Geographical Information System. The representation of all historic multiple impact and the various phases through years starting from the more recent up to the most old objects can be easily achieved by recording the current condition of the buildings and other historic monuments, the topography and planning characteristics of the surrounding area, and by combining these data with a variety of quality information, such as images, videos, old maps and city plans and other available data.
Keywords: Historic districts, Historic sites, Old city centre, Landscape architecture and New technologies, Heritage architecture and historical aspects, 3D GIS, Spatial Information System.
EXTENSION of the file: .pdf
Special (Invited) Session: The Restoration and Enhancement of the Historic Centre of Athens, The Conservation Program "Plaka"and Its Environmental Perspective
Organizer of the Session: 588231
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IP ADDRESS: 62.1.49.119

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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 27-375
Full Name: Ágnes Bogárdi-Mészöly
Position: Ph.D. Candidate
Age: ON
Sex: Female
Address: Goldmann György tér 3. IV. em., 1111 Budapest
Country: HUNGARY
Tel:
Tel prefix:
Fax:
E-mail address: agi@aut.bme.hu
Other E-mails:
Title of the Paper: Improved Performance Model for Web-Based Software Systems
Authors as they appear in the Paper: Ágnes Bogárdi-Mészöly, Tihamér Levendovszky, Hassan Charaf
Email addresses of all the authors: agi@aut.bme.hu, tihamer@aut.bme.hu, hassan@aut.bme.hu
Number of paper pages: 10
Abstract: The performance of web-based software systems is one of the most important and complicated consideration. With the help of a proper performance model and an appropriate evaluation algorithm, performance metrics can be predicted. The goal of our work is to introduce and verify an improved multi-tier queueing network model for web-based software systems. In our work, an evaluation and prediction technique applying dominant factors in point of response time and throughput performance metrics has been established and investigated. The Mean-Value Analysis algorithm has been improved to model the behavior of the thread pool. The proposed algorithm can be used for performance prediction. The convergence and limit of the algorithm have been analyzed. The validity of the proposed algorithm and the correctness of the performance prediction have been proven with performance measurements.
Keywords: Web-based software systems, Queueing model, Mean-Value Analysis, Thread pool, Performance prediction, Convergence
EXTENSION of the file: .pdf
Special (Invited) Session: Convergence and Limit of Mean-Value Analysis Algorithms
Organizer of the Session: 591-678
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IP ADDRESS: 81.182.158.176

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 27-374
Full Name: Constantin Apostoaia
Position: Associate Professor
Age: ON
Sex: Male
Address: 2200 169th Street, Hammond, IN 46323
Country: UNITED STATES
Tel: 1-219-989-2472 -extension 2268
Tel prefix:
Fax:
E-mail address: apostoai@calumet.purdue.edu
Other E-mails: capostoaia@yahoo.com
Title of the Paper: Flux, Torque, and Speed Estimators of an Induction Machine Drive
Authors as they appear in the Paper: Constantin Apostoaia,Zoltan Szekely,Donald Gray,Mariana Hentea
Email addresses of all the authors: apostoai@calumet.purdue.edu,szekelyz1@calumet.purdue.edu,dmmgray@comcast.net,mhentea@excelsior.edu
Number of paper pages: 11
Abstract: This paper presents the study of flux, torque and speed estimation of an induction machine drive. The d-q model of the induction machine based on space vector theory is used to determine the various matrices of the state space representation of the system. The modeling and simulation is carried out by using the MATLAB/Simulink software. Five estimators are analyzed using as inputs different machine voltage, current, or speed measurements. First, two estimators are derived by direct synthesis from state equations. Then, two of the major types of observers, a Luenberger observer and an optimal extended Kalman filter (EKF) are investigated. Finally a trained neural network is used to estimate the speed of the induction machine drive. The performances of all estimators are presented and good results were obtained for the Luenberger and the EKF, even in the presence of the system and measurements noise in the latter case.
Keywords: Induction Motor, Estimator, Luenberger Observer, Kalman Filter, Neural Network
EXTENSION of the file: .pdf
Special (Invited) Session: Feedback Signals Estimation of an Induction Machine Drive
Organizer of the Session: 591-099
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IP ADDRESS: 24.1.76.100

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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 27-373
Full Name: Ainhoa Etxebarria
Position: Professor
Age: ON
Sex: Female
Address: E. U. Ingeniería Tca. Industrial. Plaza de La Casilla, 3. Aptdo. 48012 de Bilbao
Country: SPAIN
Tel: +34 94 601 43 03
Tel prefix: +34 94
Fax: +34 94 601 43 05
E-mail address: ainhoa.etxebarria@ehu.es
Other E-mails: rafa.barcena@ehu.es
Title of the Paper: Industrial machinery optimization and maintenance system via World Wide Web
Authors as they appear in the Paper: Ainhoa Etxebarria, Rafael Barcena and Juanjo Valera
Email addresses of all the authors: ainhoa.etxebarria@ehu.es, rafa.barcena@ehu.es
Number of paper pages: 10
Abstract: Nowadays, it is frequent that engineering companies use Internet as the main working environment for the complementary services offered to their customers. Furthermore, Internet allow the development of powerful tools dedicated to the remote maintenance, on-line supervision and performance optimisation of the industrial machinery. In this paper, a extensive set of complementary services via Internet denominated IngeRASTM that provide rapid and effective access to industrial machinery, supplied by the Basque company Ingelectric S. A., is described. Additionally, a new remote system dedicated to the hardware-in-the-loop (HIL) experimentation concerning the optimisation of the performance of industrial controllers installed by the company, is presented. Such a system, now under construction, exploits the rapid prototyping strategy of real-time computer controlled systems and is expected to be added to IngeRASTM in the near future in order to be used remotely by the en!
gineers by means of virtual instrumentation.
Keywords: Remote experimentation, Teleoperation, Virtual instrumentation, Internet, Telelaboratory, Real-time control.
EXTENSION of the file: .pdf
Special (Invited) Session: Remote experimentation system on industrial controllers
Organizer of the Session: 591-649
How Did you learn about congress:
IP ADDRESS: 62.99.75.223

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS AND CONTROL
Transactions ID Number: 27-372
Full Name: Constantin Marin
Position: Professor
Age: ON
Sex: Male
Address: Fac. Automatica, Bvd . Decebal nr. 107, Craiova
Country: ROMANIA
Tel: 40722217972
Tel prefix: 40351417787
Fax: 40251438198
E-mail address: cmarin@automation.ucv.ro
Other E-mails: cmarin2@rdslink.ro
Title of the Paper: Identification of Nonlinear Continuous Time Systems with Time Variable Parameters; Applications for Wastewater Biodegradation Processes
Authors as they appear in the Paper: Constantin Marin, Dan Selisteanu, Dorin Sendrescu, Virginia Finca
Email addresses of all the authors: cmarin@automation.ucv.ro,dansel@automation.ucv.ro,dorins@automation.ucv.ro,virginia@automation.ucv.ro
Number of paper pages: 14
Abstract: The original procedure for identification of nonlinear continuous time systems with time variable parameters based on distribution theory, developed by the authors in a previous paper, is now deeply analysed. The fundamental of distribution theory applied to nonlinear system identification purposes is clarified. There are considered nonlinear dynamical systems described by differential equations whose right part is a rational function. Some of the system parameters change in time according to unknown laws. These laws are expressed as finite degree time polynomials whose parameters are included in the set of parameters to be identified. Considering functionals weighted by polynomials, it is possible to transform a time variant differential system of equations to an algebraic system in unknown parameters. The hierarchical structure identification method for rational expressions, is extended to time variant systems. An application for parameter identification of a was!
tewater biodegradation process, considering time variant yield coefficients is presented. An application for parameter identification of a wastewater biodegradation process, considering time variant yield coefficients is presented.
Keywords: Identification; Distribution theory; Functionals, Nonlinear systems, Bioprocesses
EXTENSION of the file: .pdf
Special (Invited) Session: Identification of Wastewater Biodegradation Processes with Time Variable Parameters
Organizer of the Session: ID 588 283
How Did you learn about congress: Dan Popescu (dpopescu@automation.ucv.ro), Emil Petre (epetre@automation.ucv.ro)
IP ADDRESS: 79.117.192.21

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 27-371
Full Name: Amjad Hudaib
Position: Assistant Professor
Age: ON
Sex: Male
Address: Department of Computer Information Systems, KASIT, University of Jordan, Amman 11942 Jordan
Country: JORDAN
Tel: ++962 777635255
Tel prefix:
Fax:
E-mail address: ahudaib@ju.edu.jo
Other E-mails: Dr_kaabneh@yahoo.com
Title of the Paper: modified on-demand multicasting routing protocol for
Authors as they appear in the Paper: Amjad Hudaib, Khalid Kaabneh, Mohammad Qatawnneh
Email addresses of all the authors: ahudaib@ju.edu.jo, Dr_kaabneh@yahoo.com, info@mazarco.com
Number of paper pages: 15
Abstract: This paper proposes and simulates a new ad hoc multicasting routing protocol called Modified On-Demand Multicast Routing Protocol (MODMRP). The MODMRP is based on On-Demand Multicasting Routing Protocol (ODMRP). MODMRP suggests two approaches aimed to reduce the service traffic; the local detection of routes and the information usage on the channels condition during the route information update timer values. The goal of MODMRP is to improve packet delivery efficiency. Through a course of simulation experiments, the MODMRP is compared to the ODMRP in reference to number factors such as Ratio of Packets Delivery and transmission delays. The Simulation results show an increase in the percentage of delivered multicast datagram on an average of 2% and a routing overhead costs decreased on average of 20.5% when compared to ODMRP.
Keywords: Ad hoc Network, MODMRP, ODMRP, Routing Protocol, On-Demand Multicasting
EXTENSION of the file: .pdf
Special (Invited) Session: Hybrid Model for People Counting in a Video Stream
Organizer of the Session: 591-557
How Did you learn about congress: Bassam Hammo, b.hammo@ju.edu.jo
IP ADDRESS: 87.236.232.85

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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 27-370
Full Name: Stefan Bruda
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of Computer Science, Bishop's University, 2600 College St, Sherbrooke, QC J1M 1Z7
Country: CANADA
Tel:
Tel prefix:
Fax:
E-mail address: bruda@cs.ubishops.ca
Other E-mails:
Title of the Paper: Further Properties of Visibly Pushdown Languages
Authors as they appear in the Paper: Stefan D Bruda and Md Tawhid Bin Waez
Email addresses of all the authors: bruda@cs.ubishops.ca, mtbwaez@cs.ubishops.ca
Number of paper pages: 11
Abstract: Visibly pushdown languages are a subclass of context-free languages that is closed under all the useful operations, namely union, intersection, complementation, renaming, concatenation, and Kleene star. The existence of a fully compositional process algebra based on such languages requires that these languages be also closed under slightly more esotheric operations, namely prefix, shuffle, and hiding. We prove here all these closure properties. We also give the semantics of visibly pushdown automata in terms of labelled transition systems. In effect, we prove the existence of a fully compositional process algebra based on visibly pushdown languages, and we also lay the foundations of such an algebra. We also find that, in addition to the pumping theorem borrowed from context-free languages, visibly pushdown languages have some additional pumping properties, which can have consequences on the recursive constructs of a visibly pushdown algebra.
Keywords: Visibly pushdown languages, Visibly pushdown automata, Closure properties, Prefix, Hiding, Shuffle, Pumping properties, Infinite-state process algebra, Trace equivalence, Bisimulation
EXTENSION of the file: .pdf
Special (Invited) Session: Visibly Pushdown Languages Are Closed under Prefix, Shuffle, and Hiding
Organizer of the Session: 591-950
How Did you learn about congress:
IP ADDRESS: 216.239.79.5

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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 27-369
Full Name: Oana Georgescu
Position: Ph.D. Candidate
Age: ON
Sex: Female
Address: Str. Iuliu Maniu nr.50, 500091, Brasov
Country: ROMANIA
Tel: 004-0723-322965
Tel prefix: 0040
Fax: 004-0268-414016
E-mail address: o.georgescu@unitbv.ro
Other E-mails: gescoana@gmail.com
Title of the Paper: An algorithm for minimum flows
Authors as they appear in the Paper: Oana Georgescu, Eleonor Ciurea
Email addresses of all the authors: o.georgescu@unitbv.ro, e.ciurea@unitbv.ro
Number of paper pages: 10
Abstract: In this paper we consider an advanced topic for minimum flow problem: the use of the dynamic trees data structure to efficiently implement decreasing path algorithm. In the final part of the paper we present an example for this algorithm, some practical applications for the minimum flow problem, conclusions and open problems.
Keywords: network flow, network algorithms, minimum flow problem, dynamic tree
EXTENSION of the file: .pdf
Special (Invited) Session: Decreasing path algorithm for minimum flows. Dynamic tree implementations
Organizer of the Session: 591-310
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IP ADDRESS: 213.233.101.173

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 27-368
Full Name: Masakazu Higuchi
Position: Doctor (Researcher)
Age: ON
Sex: Male
Address: 1-1-1 Tennoudai, Tsukuba, Ibaraki
Country: JAPAN
Tel: +81-29-853-0135
Tel prefix:
Fax: +81-29-853-0135
E-mail address: higuchi@wslab.risk.tsukuba.ac.jp
Other E-mails:
Title of the Paper: A Design Method of Narrow Band FIR Filters Based on Fluency Sampling Function of Quadratic Piecewise Polynomial
Authors as they appear in the Paper: Masakazu Higuchi, Shuji Kawasaki, Kazuki Katagishi, Mitsuteru Nakamura, Kazuo Toraichi, Hitomi Murakami, Yasuhiro Ohmiya
Email addresses of all the authors: higuchi@wslab.risk.tsukuba.ac.jp,kawasaki@wslab.risk.tsukuba.ac.jp,katagisi@cc.tsukuba.ac.jp,mnakamura@wslab.risk.tsukuba.ac.jp,toraichi@tara.tsukuba.ac.jp,hi-murakami@st.seikei.ac.jp,yohmiya@wslab.risk.tsukuba.ac.jp
Number of paper pages: 10
Abstract: In this paper, we propose a design method of the narrow band FIR filter in a Fluency signal space. As a result, we can make superior narrow band FIR filters than ordinary one. While an FIR filter has advantages that it is stable and can realize perfect linear phase, its transfer function can be of higher order according to desired accuracy. One of such difficult classes that indeed requires lots of multipliers is the narrow band filter. In proposed method, it is possible to design a narrow band FIR filter with multipliers much less than Remez method, a typical conventional method. In the first step of the proposed method, a pair of mother filters that are basic for the desired filter are defined. In the next step, scaled filters of the mother filters will be taken. Finally, we take an appropriate cascade connection of the scaled filters and make it the approximation model of the desired characteristics of narrow band FIR filter. By a numerical experiment, the propo!
sed method is shown to be supeior to Remez method, as stated above.
Keywords: Fluency theory, Signal space, Dual space, Sampling function, Frequency scaling, Cascade connection, Remez algorithm
EXTENSION of the file: .pdf
Special (Invited) Session: Design Method of Narrow Band FIR Filters Based on Fluency Sampling Function
Organizer of the Session: 591-907
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IP ADDRESS: 130.158.205.105

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 27-367
Full Name: Angela REPANOVICI
Position: Professor
Age: ON
Sex: Female
Address: Str.Vlad TEPES nr.16, BRASOV
Country: ROMANIA
Tel: 0040268416352
Tel prefix: 004
Fax: 0040368816051
E-mail address: arepanovici@unitbv.ro
Other E-mails: repanovici7@gmail.com
Title of the Paper: Strategic and Collaborative Approach in Information Literacy applied in Engineering Teaching
Authors as they appear in the Paper: Angela REPANOVICI
Email addresses of all the authors: arepanovici@unitbv.ro
Number of paper pages: 11
Abstract: This paper provides an overview of an information skills program integrated into the first year engineering subject "Documentation techniques". This is a problem based learning subject, which requires the students to work through and report on an engineering project. Over the past four years the program has transformed radically as a result of applying an action research framework which is primarily concerned with continual improvement and change in practice. Currently the information skills program consists of a student-led orientation tour, an integrated subject web page (developed using SEARCH AND WRITE tutorial).
Keywords: Engineering, Information literacy, Information resources, Search strategies, Search engines, Invisible web.
EXTENSION of the file: .pdf
Special (Invited) Session: Information literacy learning model for engineering students
Organizer of the Session: 591-247
How Did you learn about congress:
IP ADDRESS: 79.116.249.212

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Transactions: WSEAS TRANSACTIONS ON ADVANCES IN ENGINEERING EDUCATION
Transactions ID Number: 27-366
Full Name: Ainhoa Etxebarria
Position: Professor
Age: ON
Sex: Female
Address: E. U. Ingeniería Técnica Industrial de Bilbao. Plaza de La Casilla, 3. 48012 Bilbao.
Country: SPAIN
Tel: +34 94 601 43 01
Tel prefix: +34 94
Fax: +34 94 601 43 05
E-mail address: ainhoa.etxebarria@ehu.es
Other E-mails: rafa.barcena@ehu.es
Title of the Paper: Remotely controlled electronics systems through the World Wide Web
Authors as they appear in the Paper: Ainhoa Etxebarria and Rafael Barcena
Email addresses of all the authors: ainhoa.etxebarria@ehu.es, rafa.barcena@ehu.es
Number of paper pages: 10
Abstract: In recent years, there has been a surge of interest in the development of Information and Communication Technologies (ICT), especially in the realm of education. A large portion of current ICT work focuses on remote control devices that use HTTP browsers. This paper presents the phases to develop a system that allows multiple users the access to a multiple real electronic circuits using any HTTP browser. With this aim, specific hardware and software have been designed and incorporated to a server-computer which includes a data acquisition card. The novel feature of this work is that the user has in a unique environment with the descriptions of the circuits to study, the possibility to work with real measurements and the necessary laboratory instruments to analyze the circuit signals. The prototype employed analyzes basic analog electronic circuits in order to check out the practical viability of this type of remote control system. Once functionality is demonstrated!
, the prototype can be used as an applicable model for remote controls in any type of real system. The communication protocols, control programs and user interfaces that allow the data transmission and the hardware access have been programmed using Virtual Instruments (VI) designed with LabViewâ – Laboratory Virtual Instrument Engineering Workbench. LabViewâ is a graphical programming language widely adopted throughout industry, academia, and research laboratories as the standard for data acquisition and instrument control software. The front panel of the VIs that guides the user through the system is embebed in his or her web browser like an ActiveX Control. In addition, the user has the possibility to pass information from the HTML browser to the application in the Server in order to study the behaviour of the composed circuits.
Keywords: WWW, Remote control, Internet, Interface, Virtual Instrument, HTTP.
EXTENSION of the file: .pdf
Special (Invited) Session: Real Experiments Remotely Controlled Through The World Wide Web
Organizer of the Session: 591-669
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Transactions: WSEAS TRANSACTIONS ON SYSTEMS AND CONTROL
Transactions ID Number: 31-397
Full Name: Camelia Maican
Position: Assistant Professor
Age: ON
Sex: Female
Address: Decebal Str., No. 107, 200440, Craiova
Country: ROMANIA
Tel:
Tel prefix:
Fax:
E-mail address: camelia@automation.ucv.ro
Other E-mails: vinatoru@automation.ucv.ro
Title of the Paper: Control system simulator for steam boiler parameters
Authors as they appear in the Paper: Camelia Maican, Matei Vinatoru, Gabriela Canureci, Eugen Iancu
Email addresses of all the authors: camelia@automation.ucv.ro, vinatoru@automation.ucv.ro, gabriela@automation.ucv.ro, iancu@automation.ucv.ro
Number of paper pages: 10
Abstract: The paper presents the research results related to control of the steam boiler parameters: drum level, furnace pressure and steam pressure. It was developed the mathematical model of the water-steam system and furnace part of the boiler. Also, the paper presents the algorithm for real time detection of model parameter variations. In this context a correction method, validate through simulation was developed.
Keywords: Steam, Boiler, Steam pressure, Furnace pressure
EXTENSION of the file: .pdf
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: Camelia Maican, University of Craiova, Decebal Str., No. 107, 200440, Craiova, camelia@automation.ucv.ro
IP ADDRESS: 79.117.188.32

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Transactions: WSEAS TRANSACTIONS ON BUSINESS AND ECONOMICS
Transactions ID Number: 27-365
Full Name: Smaranda Cosma
Position: Associate Professor
Age: ON
Sex: Female
Address: Horea 7, Cluj-Napoca, Romania
Country: ROMANIA
Tel: 0040264599170
Tel prefix:
Fax: 0040264 590110
E-mail address: smaranda.cosma@tbs.ubbcluj.ro
Other E-mails:
Title of the Paper: The place of cultural tourism for Cluj-Napoca, Romania as a tourist destination
Authors as they appear in the Paper: Smaranda Cosma, Adina Negrusa
Email addresses of all the authors: smaranda.cosma@tbs.ubbcluj.ro, adina.negrusa@tbs.ubbcluj.ro
Number of paper pages: 11
Abstract: Tourism industry represents the sector with the highest development at global level. Cultural tourism became an important trend at international level; 60% of the European tourists are interested in cultural discovery. Romania's tourism potential remained largerly unexplored during the last 17 years due to the attention given to traditional tourism products: sun tourism at Black Sea and ski tourism during the winter. In 2006, WTTC recommended cultural and heritage tourism to become an important tourism product for Romania. The attraction points are numerous, various and interesting. Tourism stakeholders can create independent and complex products in order to promote Romania as a cultural tourist destination. The concentration of around 47% of total tourist arrivals in the main 40 Romanian cities, where the most important cultural attractions and events are concentrated, indicates that cultural tourism can be either a distinct product, or can complete other forms of!
urban tourism. Cluj-Napoca is one of Romania's most important cities from the number of citizens' point of view, also due to its business environment and cultural attractiveness. Cluj county stands on the sixth place in Romanian destinations classification, taking into account the number of lodging capacities, but Cluj-Napoca - the municipality of the county - is situated on the third place after Bucharest and Timisoara using the same criteria. The paper identifies the main tourist segment on the market and analyses the perception of tourists regarding Cluj-Napoca as a tourist destination. We used for our study personal interviews based on a questioner applied to a representative sample and empirical research analysing statistical data and other available information about the destination. We compared the tourist resources of Cluj-Napoca with the target profile and we analysed the place of cultural tourism for the destination.
Keywords: Tourism, Tourist marketing destination, Cultural tourism, Regional development, Tourist potential
EXTENSION of the file: .pdf
Special (Invited) Session: Tourists' perception regarding Cluj-Napoca as a cultural tourist
Organizer of the Session: 592-150
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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 31-396
Full Name: Che-Chern Lin
Position: Associate Professor
Age: ON
Sex: Male
Address: 116 Heping First Road, Kaohsiung City
Country: TAIWAN
Tel:
Tel prefix:
Fax:
E-mail address: cclin@nknucc.nknu.edu.tw
Other E-mails:
Title of the Paper: A Study on Internet Usages, Academic Achievements, and the Exploring Capability of Regional Culture Knowledge Using Internet¡V A Case of Primary School Students in Taiwan
Authors as they appear in the Paper: Che-Chern Lin, Wen-Shun Chen
Email addresses of all the authors: cclin@nknucc.nknu.edu.tw, aporason@yahoo.com.tw
Number of paper pages: 10
Abstract: In this paper, we present a case study to discuss the internet usages of primary school students and the exploring capabilities of using internet on regional culture course. 226 students of grade five from a primary school in Taiwan were selected as samples. We designed a questionnaire to analyze the internet usages and behaviors of these sampled students including time spending in internet, frequency, location, and reason of using internet, internet activity, and recognition of internet functionality. We designed questions for the regional culture test and conducted experiments to analyze the relationships between the internet usages and the scores of the regional culture test. Furthermore, we analyzed the relationships among students¡¦ backgrounds, academic achievements, internet usages, and the scores of the regional test. Concluding remarks and the suggestions for future studies are also provided at the end of this paper.
Keywords: Regional culture, Exploring capability, Internet usages, Academic achievement.
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Transactions ID Number: 31-395
Full Name: Ainhoa Etxebarria
Position: Professor
Age: ON
Sex: Female
Address: E. U. Ingeniería Técnica Industrial de Bilbao. Plaza de La Casilla, 3. 48012 Bilbao.
Country: SPAIN
Tel: +34 94 601 43 01
Tel prefix: +34 94
Fax: +34 94 601 43 05
E-mail address: ainhoa.etxebarria@ehu.es
Other E-mails: rafa.barcena@ehu.es
Title of the Paper: Remotely controlled electronics systems through the World Wide Web
Authors as they appear in the Paper: Ainhoa Etxebarria and Rafael Barcena
Email addresses of all the authors: ainhoa.etxebarria@ehu.es, rafa.barcena@ehu.es
Number of paper pages: 10
Abstract: In recent years, there has been a surge of interest in the development of Information and Communication Technologies (ICT), especially in the realm of education. A large portion of current ICT work focuses on remote control devices that use HTTP browsers. This paper presents the phases to develop a system that allows multiple users the access to a multiple real electronic circuits using any HTTP browser. With this aim, specific hardware and software have been designed and incorporated to a server-computer which includes a data acquisition card. The novel feature of this work is that the user has in a unique environment with the descriptions of the circuits to study, the possibility to work with real measurements and the necessary laboratory instruments to analyze the circuit signals. The prototype employed analyzes basic analog electronic circuits in order to check out the practical viability of this type of remote control system. Once functionality is demonstrated!
, the prototype can be used as an applicable model for remote controls in any type of real system. The communication protocols, control programs and user interfaces that allow the data transmission and the hardware access have been programmed using Virtual Instruments (VI) designed with LabViewâ – Laboratory Virtual Instrument Engineering Workbench. LabViewâ is a graphical programming language widely adopted throughout industry, academia, and research laboratories as the standard for data acquisition and instrument control software. The front panel of the VIs that guides the user through the system is embebed in his or her web browser like an ActiveX Control. In addition, the user has the possibility to pass information from the HTML browser to the application in the Server in order to study the behaviour of the composed circuits.
Keywords: WWW, remote control, Internet, interface, Virtual Instrument, HTTP.
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Transactions: WSEAS TRANSACTIONS ON ADVANCES in ENGINEERING EDUCATION
Transactions ID Number: 31-394
Full Name: Ainhoa Etxebarria
Position: Professor
Age: ON
Sex: Female
Address: E. U. Ingeniería Técnica Industrial de Bilbao. Plaza de La Casilla, 3. 48012 Bilbao.
Country: SPAIN
Tel: +34 94 601 43 01
Tel prefix: +34 94
Fax: +34 94 601 43 05
E-mail address: ainhoa.etxebarria@ehu.es
Other E-mails: rafa.barcena@ehu.es
Title of the Paper: Remotely controlled electronics systems through the World Wide Web
Authors as they appear in the Paper: Ainhoa Etxebarria and Rafael Barcena
Email addresses of all the authors: ainhoa.etxebarria@ehu.es, rafa.barcena@ehu.es
Number of paper pages: 10
Abstract: In recent years, there has been a surge of interest in the development of Information and Communication Technologies (ICT), especially in the realm of education. A large portion of current ICT work focuses on remote control devices that use HTTP browsers. This paper presents the phases to develop a system that allows multiple users the access to a multiple real electronic circuits using any HTTP browser. With this aim, specific hardware and software have been designed and incorporated to a server-computer which includes a data acquisition card. The novel feature of this work is that the user has in a unique environment with the descriptions of the circuits to study, the possibility to work with real measurements and the necessary laboratory instruments to analyze the circuit signals. The prototype employed analyzes basic analog electronic circuits in order to check out the practical viability of this type of remote control system. Once functionality is demonstrated!
, the prototype can be used as an applicable model for remote controls in any type of real system. The communication protocols, control programs and user interfaces that allow the data transmission and the hardware access have been programmed using Virtual Instruments (VI) designed with LabViewâ – Laboratory Virtual Instrument Engineering Workbench. LabViewâ is a graphical programming language widely adopted throughout industry, academia, and research laboratories as the standard for data acquisition and instrument control software. The front panel of the VIs that guides the user through the system is embebed in his or her web browser like an ActiveX Control. In addition, the user has the possibility to pass information from the HTML browser to the application in the Server in order to study the behaviour of the composed circuits.
Keywords: WWW, remote control, Internet, interface, Virtual Instrument, HTTP.
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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 31-393
Full Name: Ainhoa Etxebarria
Position: Professor
Age: ON
Sex: Female
Address: E. U. Ingeniería Técnica Industrial de Bilbao. Plaza de La Casilla, 3. 48012 Bilbao.
Country: SPAIN
Tel: +34 94 601 43 01
Tel prefix: +34 94
Fax: +34 94 601 43 05
E-mail address: ainhoa.etxebarria@ehu.es
Other E-mails: rafa.barcena@ehu.es
Title of the Paper: Remotely controlled electronics systems through the World Wide Web
Authors as they appear in the Paper: Ainhoa Etxebarria and Rafael Barcena
Email addresses of all the authors: ainhoa.etxebarria@ehu.es, rafa.barcena@ehu.es
Number of paper pages: 10
Abstract: In recent years, there has been a surge of interest in the development of Information and Communication Technologies (ICT), especially in the realm of education. A large portion of current ICT work focuses on remote control devices that use HTTP browsers. This paper presents the phases to develop a system that allows multiple users the access to a multiple real electronic circuits using any HTTP browser. With this aim, specific hardware and software have been designed and incorporated to a server-computer which includes a data acquisition card. The novel feature of this work is that the user has in a unique environment with the descriptions of the circuits to study, the possibility to work with real measurements and the necessary laboratory instruments to analyze the circuit signals. The prototype employed analyzes basic analog electronic circuits in order to check out the practical viability of this type of remote control system. Once functionality is demonstrated!
, the prototype can be used as an applicable model for remote controls in any type of real system. The communication protocols, control programs and user interfaces that allow the data transmission and the hardware access have been programmed using Virtual Instruments (VI) designed with LabViewâ – Laboratory Virtual Instrument Engineering Workbench. LabViewâ is a graphical programming language widely adopted throughout industry, academia, and research laboratories as the standard for data acquisition and instrument control software. The front panel of the VIs that guides the user through the system is embebed in his or her web browser like an ActiveX Control. In addition, the user has the possibility to pass information from the HTML browser to the application in the Server in order to study the behaviour of the composed circuits.
Keywords: WWW, remote control, Internet, interface, Virtual Instrument, HTTP.
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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 31-392
Full Name: Che-Chern Lin
Position: Associate Professor
Age: ON
Sex: Male
Address: 116 Heping First Road, Kaohsiung City
Country: TAIWAN
Tel:
Tel prefix:
Fax:
E-mail address: cclin@nknucc.nknu.edu.tw
Other E-mails:
Title of the Paper: A Case Study on the SCORM-Based E-learning in Computer-Aided Drafting Course with Users¡¦ Satisfaction Survey
Authors as they appear in the Paper: Che-Chern Lin, Jia-Hseng Pan
Email addresses of all the authors: cclin@nknucc.nknu.edu.tw, span@ylvs.chc.edu.tw
Number of paper pages: 12
Abstract: In this paper, we propose a case study to compare the learning difference on a Computer added Drafting (CAD) course between traditional learning and e-learning. The learning materials for the e-learning were designed in Shareable Contents Object Reference Model (SCORM) standard. Seventy-four students from a vocational high school in Taiwan attended the experiment. These students were divided into two groups: the control group and the treatment group. The control group was provided with traditional learning in a regular classroom. The treatment group utilized an e-learning platform to conduct learning activities. The experimental results show that the learning performance between the traditional learning and the e-learning on CAD course is not different. Finally, a survey was also conducted to realize the users¡¦ satisfaction of using the e-learning course.
Keywords: CAD, e-learning, SCORM, Engineering Education, Moodle, User satisfaction.
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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 27-364
Full Name: Daniel Hunyadi
Position: Lecturer
Age: ON
Sex: Male
Address: Sibiu, Siretului Street No 7, ap. 37
Country: ROMANIA
Tel:
Tel prefix:
Fax:
E-mail address: daniel.hunyadi@ulbsibiu.ro
Other E-mails: danyhunyadi@yahoo.com
Title of the Paper: ontology used in a e-learning multi-agent architecture
Authors as they appear in the Paper: Daniel Hunyadi, Iulian Pah
Email addresses of all the authors: daniel.hunyadi@ulbsibiu.ro, i_pah@yahoo.com
Number of paper pages: 11
Abstract: The main goal of this article is to develop a virtual educational environment model which makes learning easier by using collaboration (and extension, team-research model) as a form of social interplay. The model represents a universe where human agents interact with artificial agents (software agents). Considering the vision of the system, it can be classified among advanced systems for it is client-oriented (student) and provides value added educational services, due to the collaborative learning attribute. The model proposes an original architecture where elements of the socio-cultural theory of collaborative learning are assigned to the artificial intelligence components (the multi-agent system). The expected results are: conceptual models (agents, learning and teaching strategies, student profiles and group profiles, communication between agents, negotiation strategies and coalition formation), software entities, and a methodology to evaluate the performance o!
f eLearning systems.
Keywords: human-computer interaction, multi-agent system, multi-agent architectures, collaborative learning, artificial agents.
EXTENSION of the file: .pdf
Special (Invited) Session: a multi-agent arhitecture for human-computer interaction
Organizer of the Session: 591-404
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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 27-363
Full Name: Smaranda Cosma
Position: Associate Professor
Age: ON
Sex: Female
Address: Horea 7, Cluj-Napoca, Romania
Country: ROMANIA
Tel: 0040264599170
Tel prefix:
Fax: 0040264590110
E-mail address: smaranda.cosma@tbs.ubbcluj.ro
Other E-mails:
Title of the Paper: Implementation of the communication system for clubfoot
Authors as they appear in the Paper: Smaranda Cosma, Dan Cosma, Adina Negrusa, Madalina Valeanu, Grigor Moldovan, Dana Vasilescu
Email addresses of all the authors: smaranda.cosma@tbs.ubbcluj.ro, dcosma@umfcluj.ro, adina.negrusa@tbs.ubbcluj.ro, mvaleanu@umfcluj.ro, moldovan@cs.ubbcluj.ro, dana.vasilescu@umfcluj.ro
Number of paper pages: 10
Abstract: In view of finding out the size of and demand created by clubfoot in our country, we have designed, created and implemented an integrated communication system for the congenital idiopathic clubfoot. On the basis of the information and data in this system, the parents have an information resource at their disposal that enables them reach a decision concerning the way in which the deformity of their child could be treated. The integrated informational system for the congenital clubfoot has two components: the medical component – dedicated to the medical staff – and the informative component – dedicated to the parents and children suffering of clubfoot. The system also, will generate positive economical implications.
Keywords: National Register, Clubfoot, Medical communication, Database, Research
EXTENSION of the file: .pdf
Special (Invited) Session: Conceptual model for a National Register-type research database for
Organizer of the Session: 591-250
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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 27-362
Full Name: Saran Kampeephat
Position: Student
Age: ON
Sex: Male
Address: Suranaree University of Technology 111 University Avenue, Muang District, Nakhon Ratchasima 30000
Country: THAILAND
Tel: -
Tel prefix: -
Fax: -
E-mail address: M5040100@g.sut.ac.th
Other E-mails: saran_kampeephat@hotmail.com
Title of the Paper: Gain and Pattern Improvements of Array Antenna using MSA with Asymmetric T-shaped Slit Loads
Authors as they appear in the Paper: Saran Kampeephat, Piyaporn Krachodnok, Monthippa Uthansakul, Rangsan Wongsan
Email addresses of all the authors: M5040100@g.sut.ac.th, rangsan@sut.ac.th
Number of paper pages: 10
Abstract: This paper presents a 1x4 array antenna using asymmetric T-shaped slit loaded microstrip antenna (MSA). The antenna consists of four MSAs align vertically on a dielectric substrate and ground plane. This antenna will be utilized in WLAN applications as the commercial panel antenna. A modified array configuration is proposed to further enhance the antenna radiation characteristics and usable bandwidth. The desired patterns of array are improved by adjusting the array element spacing from lamda/2 down to lamda/3. Moreover, alternating of the slit loads positions on each side of some patches in array can control the directive patterns to be symmetric shapes. The measured results of the radiation pattern, input impedance, return loss, VSWR, directive gain, and are also conducted for verification of the IE3D-based simulated results. With good agreement between the simulated and measured results and accordance of the requirements, therefore, this proposed panel antenna i!
s appropriate for the wireless applications.
Keywords: Array Antenna, Directive Gain, Microstrip Antenna, Radiation Patterns, Slit Load
EXTENSION of the file: .pdf
Special (Invited) Session: Directive Gain Array Antenna using MSA with Asymmetric T-shaped Slit Loads
Organizer of the Session: 591-626
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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 31-391
Full Name: Che-Chern Lin
Position: Associate Professor
Age: ON
Sex: Male
Address: 116 Heping First Road, Kaohsiung City
Country: TAIWAN
Tel:
Tel prefix:
Fax:
E-mail address: cclin@nknucc.nknu.edu.tw
Other E-mails:
Title of the Paper: Implementation of Classifiers for Choosing Insurance Policy Using Decision Trees: A Case Study
Authors as they appear in the Paper: Chin-Sheng Huang, Yu-Ju Lin, Che-Chern Lin
Email addresses of all the authors: huangcs@yuntech.edu.tw, kitty@center.fotech.edu.tw, cclin@nknucc.nknu.edu.tw
Number of paper pages: 11
Abstract: In this paper, we use decision trees to establish the decision models for insurance purchases. Five major types of insurances are involved in this study including life, annuity, health, accident, and investment-oriented insurances. Four decision tree methods were used to build the decision models including Chi-square Automatic Interaction Detector (CHAID), Exhaustive Chi-square Automatic Interaction Detector (ECHAID), Classification and Regression Tree (CRT), and Quick-Unbiased-Efficient Statistical Tree (QUEST). Six features were selected as the inputs of the decision trees including age, sex, annual income, educational level, occupation, and risk preference. Three hundred insurants from an insurance company in Taiwan were used as examples for establishing the decision models. Two experiments were conducted to evaluate the performance of the decision trees. The first one used the purchase records of primary insurances as examples. The second one used the purchase !
records of primary insurances and additional insurances. Each experiment contained four rounds according to different partitions of training sets and test sets. Discussion and concluding remarks are finally provided at the end of this paper.
Keywords: Insurance policy; Decision tree; Decision model; ECHAID; CRT; CHAID; QUEST; Classification tree; Decision support system.
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Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 27-361
Full Name: Boonruang Marungsri
Position: Senior Lecturer
Age: ON
Sex: Male
Address: Suranaree University of Technology, 111 University Avenue, Muang District, Nakhon Ratchasima, 30000
Country: THAILAND
Tel: +66 4422 4366
Tel prefix:
Fax: +66 4422 4601
E-mail address: bmshvee@sut.ac.th
Other E-mails: ryusuke007@yahoo.com, anant@sut.ac.th
Title of the Paper: Application of Artificial Intelligent Technique for Partial Discharges Localization in Oil Insulating Transformer
Authors as they appear in the Paper: Anant Oonsivilai and Boonruang Marungsri
Email addresses of all the authors: anant@sut.ac.th, bmshvee@sut.ac.th
Number of paper pages: 10
Abstract: Partial discharges in a power transformer are often a predecessor of serious fault, as Power transformers are fundamental apparatuses in electrical power system network. Thus, partial discharge measurement are a significant diagnostic tool to supervise the insulation state of a power transformer, as elementry Partial Discharges (PD) detection is not adequate to make a decision about intervening, so the localization is required to evaluate the risk and to plan rectification actions. Acoustic signals collected by piezoelectric sensors established outside of the transformer, supply the accurate position of PD as parameters. Conclusion demonstrates the efficacious of suggested solution for PD source localization in oil insulating power transformers using Adaptive Tabu Search (ATS).
Keywords: Artificial Intelligent Technique, Partial Discharge, Localization, Oil Insulating Transformer, Acoustic Signal, Adaptive Tabu Search
EXTENSION of the file: .pdf
Special (Invited) Session: Partial Discharges Localization in Oil Insulating Transformer using Adaptive Tabu Search
Organizer of the Session: 591-852
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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 27-360
Full Name: Jitka Komarkova
Position: Senior Lecturer
Age: ON
Sex: Female
Address: Studentska 95, 532 10 Pardubice
Country: CZECH REPUBLIC
Tel:
Tel prefix:
Fax:
E-mail address: jitka.komarkova@upce.cz
Other E-mails: pavel.sedlak@upce.cz
Title of the Paper: Information society and its development in the Czech Republic
Authors as they appear in the Paper: Jitka Komarkova, Pavel Sedlak, Katerina Langrova
Email addresses of all the authors: jitka.komarkova@upce.cz,pavel.sedlak@upce.cz
Number of paper pages: 12
Abstract: Development of information society has been strongly supported by all governments including the government of the Czech Republic. Recently, ways how to evaluate efficiency of the investments and development of information society have been searched for. Paper deals with utilization of geographic information systems, spatial analyses and exploratory spatial data analyses (both global and local indicators) for evaluation of development of information society and participation of the citizens. Within the case study development in all 14 regions of the Czech Republic during last few years is evaluated. Evaluation is based on available data which were provided by Czech Statistical Office. One of the results is that Prague (the capital) was a leader in the first years but during last few years the other regions have made the gap on the capital smaller so many differences across the country have been decreased.
Keywords: Egovernment, Information society, Eparticipation, Spatial analyses, ESDA, GIS, DEMO-net
EXTENSION of the file: .pdf
Special (Invited) Session: Evaluation of Development of Information Society and Participation of the Citizens in the Czech Republic by means of Spatial Methods
Organizer of the Session: 591-879
How Did you learn about congress: hana.kopackova@upce.cz
IP ADDRESS: 77.236.211.1

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Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 27-359
Full Name: Zdenek Kolka
Position: Associate Professor
Age: ON
Sex: Male
Address: Dept. of Radio Electronics, Purkynova 118, 61200, Brno
Country: CZECH REPUBLIC
Tel: 541149148
Tel prefix: 420
Fax: 541149244
E-mail address: kolka@feec.vutbr.cz
Other E-mails:
Title of the Paper: Active Stabilization Loop for Optical Receiver
Authors as they appear in the Paper: Zdenek Kolka, Viera Biolkova
Email addresses of all the authors: kolka@feec.vutbr.cz,biolkova@feec.vutbr.cz
Number of paper pages: 10
Abstract: The availability of terrestrial Free-Space Optical (FSO) link depends on the link margin, i.e. on the maximum atmospheric attenuation the link power budget can absorb. As the maximum output optical power of laser sources is limited by safety regulation the link margin can be increased by increasing the receiver sensitivity using avalanche photodiodes (APD). The diodes operate in a relatively narrow range of avalanche multiplication. The optimal reverse voltage depends on temperature and is subject to manufacturing variance. These effects are usually compensated for in the open-loop mode, where a DC source is programmed with average datasheet temperature coefficients and individually adjusted to compensate for manufacturing variance. The paper describes the design of a receiver with closed-loop stabilization of APD parameters.
Keywords: Optical Receiver, Free-Space Optics, Avalanche Photodiodes
EXTENSION of the file: .pdf
Special (Invited) Session: Optical Receiver with Photodiode Gain Stabilization
Organizer of the Session: 591-639
How Did you learn about congress: Jiri Misurec (misurec@feec.vutbr.cz), Ondrej Fiser (ondrej@ufa.cas.cz)
IP ADDRESS: 78.45.64.215

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 31-390
Full Name: Che-Chern Lin
Position: Associate Professor
Age: ON
Sex: Male
Address: 116 Heping First Road, Kaohsiung City
Country: TAIWAN
Tel:
Tel prefix:
Fax:
E-mail address: cclin@nknucc.nknu.edu.tw
Other E-mails:
Title of the Paper: Determination of Insurance Policy Using Neural Networks and Simplified Models with Factor Analysis Technique
Authors as they appear in the Paper: Yu-Ju Lin, Chin-Sheng Huang, Che-Chern Lin
Email addresses of all the authors: kitty@center.fotech.edu.tw, huangcs@yuntech.edu.tw, cclin@nknucc.nknu.edu.tw
Number of paper pages: 11
Abstract: In this paper, we use feed forward neural networks with the back-propagation algorithm to build decision models for five insurances including life, annuity, health, accident, and investment-oriented insurances. Six features (variables) were selected for the inputs of the neural networks including age, sex, annual income, educational level, occupation, and risk preference. Three hundred insurants from an insurance company in Taiwan were used as examples for establishing the decision models. Six experiments were conducted in this study. These experiments were mainly categorized into two phases: Phase 1 (Experiments 1 to 3) and Phase 2 (Experiments 4 to 6). In Phase 1, we used the six features as the inputs of the neural networks. In Phase 2, we employed the factor analysis method to select three more important features from the six features. In Phase 1, Experiment 1 used a single neural network to classify the five insurances simultaneously while Experimental 2 utili!
zed five neural networks to classify them independently. Experiments 1 and 2 adopted the purchase records of primary and additional insurances as experimental data. Experiment 3, however, utilized the primary insurance purchase dada only. In Phase 2, we repeated the similar experimental procedure as Phase 1. We also applied statistical methods to test the differences of the classification results between Phases 1 and 2. Discussion and concluding remarks are finally provided at the end of this paper.
Keywords: Insurance policy, Neural networks, Back-propagation algorithm, Classification, Factor analysis, Feature extraction.
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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 27-358
Full Name: Nahed El-desouky
Position: Assistant Professor
Age: ON
Sex: Female
Address: Sheraton Building sq 1227 no. 11c Heliopolice Cairo
Country: EGYPT
Tel: 202-22694545
Tel prefix:
Fax:
E-mail address: nahedmgd@yahoo.com
Other E-mails:
Title of the Paper: Transformations Techniques for extracting Parallelism in Non-Uniform Nested Loops
Authors as they appear in the Paper: Fawzy A. Torkey, Afaf A. Saleh, Nahed M. El Desouky, and Sahar A. Gomaa
Email addresses of all the authors: fatorkey@yahoo.com,afaf211@yahoo.com,nahedmgd@yahoo.com,sahar12_9@yahoo.com.
Number of paper pages: 10
Abstract: Executing a program in parallel machines needs not only to find sufficient parallelism in a program, but it is also important that we minimize the synchronization and communication overheads in the parallelized program. This yields to improve the performance by reducing the time needed for executing the program. Parallelizing and partitioning of nested loops requires efficient iteration dependence analysis. Although many loop transformations techniques exist for nested loop partitioning, most of these transformation techniques perform poorly when parallelizing nested loops with non-uniform (irregular) dependences. In this paper the affine and unimodular transformations are applied to solve the problem of parallelism in nested loops with non-uniform dependence vectors. To solve these problem few researchers converted the non-uniform nested loops to uniform nested loops and then find the parallelism. We propose applying directly the two approaches affine and unimodul!
ar transformations to extract and improve the parallelism in nested loops with non-uniform dependences. The study shows that unimodular transformation is better than affine transformation when the dependences in nested loops exist only in one statement. While affine transformation is more effective when the nested loops have a sequence of statements and the dependence exists between these different statements.
Keywords: Unimodular transformation, Affine transformation, Parallelism, Uniform dependence, Non-uniform dependence, Distance vector, Distance matrix.
EXTENSION of the file: .pdf
Special (Invited) Session: Affine and Unimodular Transformations for Non-Uniform Nested Loops
Organizer of the Session: 591-452
How Did you learn about congress: afaf211@yahoo.com
IP ADDRESS: 62.139.85.57

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 27-233
Full Name: Raghavan Singaravelu
Position: Professor
Age: ON
Sex: Male
Address: Department of Electronics and Communication, National Institute of Technology, Tiruchirappalli
Country: INDIA
Tel:
Tel prefix:
Fax:
E-mail address: raghavan@nitt.edu
Other E-mails:
Title of the Paper: Design of Planar Inverted -f Antenna for Wireless Applications
Authors as they appear in the Paper:
Email addresses of all the authors:
Number of paper pages: 10
Abstract: The design of single feed dual band PIFA operating at 2.25and 3.546 GHz is presented. Two dimensional method of moments (MOM) electromagnetic simulator, IE3D version: 12, is used in the design simulation of this dual band antenna. The results exhibit a proper operation of the antenna in terms of return loss, bandwidth, efficiency, gain at both bands.ISM,Bluetooth,Wi-max, IEEE 802.11b, 802.11g, 802.11n, 802.16e, WiFi, Wi-max are the most important applications within the above mentioned frequency bands. Simulation tool, based on the method of moments (ZELAND IE3D version 12.0) has been used to analyze and optimize the antenna. The measured and simulated results are presented and all are acceptable to the standard antennas.
Keywords: Ism, Bluetooth, Wi-max, Pifa, Method of Moments, Nlos, Wifi.
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Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 27-232
Full Name: Miha Janez
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Trzaska cesta 25, 1000 Ljubljana
Country: SLOVENIA
Tel: 1 476 83 71
Tel prefix: +386
Fax: 1 426 46 47
E-mail address: Miha.Janez@fri.uni-lj.si
Other E-mails: mihaj57@yahoo.com
Title of the Paper: Automatic design of optimal logic circuits based on ternary quantum-dot cellular automata
Authors as they appear in the Paper: Miha Janez, Iztok Lebar Bajec, Primoz Pecar, Andrej Jazbec, Nikolaj Zimic and Miha Mraz
Email addresses of all the authors: miha.janez@fri.uni-lj.si,ilbajec@fri.uni-lj.si,primoz.pecar@fri.uni-lj.si,andrej.jazbec@fri.uni-lj.si,nikolaj.zimic@fri.uni-lj.si,miha.mraz@fri.uni-lj.si
Number of paper pages: 10
Abstract: This paper treats the problems involved in the design of logic circuits based on novel processing platform. It begins with description of the ternary quantum-dot cell, an extended classic binary cell. These cells are basic building blocks of quantum-dot cellular automata. They are used to construct simple structures with inputs and output which implement some ternary logic function. These structures are employed as building blocks of larger and more complex circuits. The computer-aided design tool that finds an optimal implementation of a circuit by bottom-up approach is described. The search of a solution is based on iterative deepening. Since searching over all possible solutions is too computationally complex, heuristics are used to reduce the computation time.
Keywords: Quantum-dot cellular automata, Ternary quantum-dot cell, Computer-aided design, Ternary logic, Logic circuits, Iterative deepening, Heuristics
EXTENSION of the file: .pdf
Special (Invited) Session: Computer-Aided Design of Ternary Quantum-dot Cellular Automata Circuits
Organizer of the Session: 591-859
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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 27-231
Full Name: Raghavan Singaravelu
Position: Professor
Age: ON
Sex: Male
Address: Department of Electronics and Communication, National Institute of Technology, Tiruchirappalli
Country: INDIA
Tel:
Tel prefix:
Fax:
E-mail address: raghavan@nitt.edu
Other E-mails:
Title of the Paper: Microstrip Patch Antenna for a Retinal Prosthesis and Rf Mems Technology
Authors as they appear in the Paper:
Email addresses of all the authors:
Number of paper pages: 10
Abstract: This paper is about the investigation of a novel approach for establishing a data telemetry link in a dual-unit retinal prosthesis at microwave frequencies (1.4GHz and 2.35GHz) using a pair of Microstrip patch antennas. Approximately sized extraocular (25 mm x 25 mm) and intraocular (6 mm x 6 mm) antennas are simulated using IE3D and compared with reference experimental results which was designed and fabricated using the Finite Difference Time Domain Method. Simulation results show frequency shift in the resonant frequency by changing the capacitor height from 2 ìm to 1 ìm. However, the major drawback of this configuration is as Microstrip antenna is loaded with radial stub, which makes the structure is not suitable for loading with large number of capacitors. Because the dimensions of the radial stub determine the separation between the MEMS capacitors. Hence, the overall dimensions of the structure grow as more MEMS capacitors are used for loading, which is a pro!
blematic issue in terms of fabrication.
Keywords: Epiretinal, Subretinal, Telemetry link, Retinal Prosthesis
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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 27-230
Full Name: Jong-Shin Chen
Position: Assistant Professor
Age: ON
Sex: Male
Address: Department of Computer and Communication Engineering, Chaoyang University of Technology, Taichung 413, Taiwan, R.O.C.
Country: TAIWAN
Tel:
Tel prefix:
Fax:
E-mail address: jschen26@cyut.edu.tw
Other E-mails: jschen@pluto.iecs.fcu.edu.tw
Title of the Paper: An Adaptive Bandwidth Management Strategy for Adaptive Antenna Array Wireless Networks
Authors as they appear in the Paper: Jong-Shin Chen, Neng-ChungWang, Yung-Fa Huang, Wen-Chi Chiang
Email addresses of all the authors: jschen26@cyut.edu.tw, ncwang@nuu.edu.tw, yfahuang@cyut.edu.tw, s95306104@cyut.edu.tw
Number of paper pages: 10
Abstract: Wireless networks that employ adaptive antenna array (AAA) have been proposed to increase the traffic-carrying capacity and circuit quality. The AAA architecture generates a large number of areas since a cell is divided into several areas. Therefore, a high-mobility mobile host has a very high probability to cross the area boundary and needs to perform a handoff procedure in order to continue the current communication session. A handoff procedure including code switch, data switch, and even network switch will increase the system overhead. Each area has a set of system codes. When a call arrives at an area, if no codes are available in this area to serve this call, the call will be blocked. Accordingly, the number of codes allocated to an area will affect the communication quality in this area and the allocations of system codes among areas will affect the traffic-carrying capacity of a cellular system. A reasonable allocation should provide more codes to each area!
with heavy traffic than with light traffic. Otherwise, it will experience that the heavy traffic areas do not have sufficient codes to carry their traffic loads but the light traffic areas have many available codes. Thus, the traffic-carrying capacity of a system is reduced and the call blocking probability arises. To consider real-life networks, the traffic distributions among areas should be changeable according to various conditions. In order to achieve higher code utilization, when there are variations in traffic, the code allocations among areas should be effectively reallocated according to current traffic profile. The investigation proposes an effective load balance and handoff management strategy. These strategies are implemented to solve traffic-adaptation problem that can enhance the traffic-carrying capacity for variations in traffic. For the management of handoff procedure, our strategy considers the mobility of mobile hosts and the bandwidth utilization. It ca!
n decrease the number of handoff procedures and lessen the system over
head. Furthermore, the performance analysis and the simulation results are presented to confirm the efficiency of the proposed strategy.
Keywords: Adaptive antenna array, wireless network, capacity, load balance, traffic-adaptation, and handoff procedure
EXTENSION of the file: .pdf
Special (Invited) Session: Adaptive Load Balance and Handoff Management Strategy for Adaptive Antenna Array Wireless Networks
Organizer of the Session: 591-439
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IP ADDRESS: 218.162.99.139

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 27-229
Full Name: Raghavan Singaravelu
Position: Professor
Age: ON
Sex: Male
Address: Deratment of Electronics and Communication, National Institute of Technology, Tiruchirappalli
Country: INDIA
Tel:
Tel prefix:
Fax:
E-mail address: raghavan@nitt.edu
Other E-mails:
Title of the Paper: Design of Switched Multiband Filters For IEEE 802.11a/b/g Wlans
Authors as they appear in the Paper:
Email addresses of all the authors:
Number of paper pages: 10
Abstract: Switched Multiband Microstrip bandpass filters for IEEE 802.11a/b/g WLANs are presented. Cross coupled square open loop resonator type of filter is used as the basic design. These filters were selected since there was a tuning parameter available in the structure which changed the center frequency without change in performance. Two MEMS reconfigurable filter structures are proposed. Static simulations for each position of the MEMS switches were performed for S11 and S12 to observe the bandwidth and insertion loss of the filter. The simulations were performed on IE3D 10.06.
Keywords: Wlan, Mems, Ism, UniiI, Microstrip Filter.
EXTENSION of the file: .pdf
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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 27-228
Full Name: Kenneth Sundaraj
Position: Researcher
Age: ON
Sex: Male
Address: University Malaysia Perlis
Country: MALAYSIA
Tel: 00 6012 6011 974
Tel prefix:
Fax: 00 604 979 8142
E-mail address: kenneth@unimap.edu.my
Other E-mails: kenneth.sundaraj@gmail.com
Title of the Paper: Investigation of Facial Artifacts on Face Biometrics using Eigenface based Single and Multiple Neural Networks
Authors as they appear in the Paper: K. Sundaraj
Email addresses of all the authors: kenneth@unimap.edu.my
Number of paper pages: 10
Abstract: Biometrics has been an important issue pertaining to security in the last few decades. Departments or agencies entrusted with national security are increasingly installing surveillance cameras in strategic or critical areas to monitor the identities of the general public. Upon locating suspicious characters in the video feed, they are compared with existing databases to find a match. These databases are generally compiled from the National Registration Department (NRD), Immigration, intelligence agencies, etc. Unfortunately, as mentioned in most reports of tragic events, suspicious characters do not resemble anything like what has been stored in the databases. There is a high chance that the face biometric identification software will miss these culprits. In this paper we propose to investigate the effects of facial artifacts on the recognition rate of eigenface based neural networks. It has been found that eigenfaces coupled with Euclidean distance can be successf!
ully used to recognize the human face in almost real-time. However, facial artifacts can cause the features that characterize a face to be distorted. Hence, it is desirable to identify problematic facial artifacts that can cause false identification or no identification. The main focus of this paper is the investigation of common facial artifacts on the performance of recognition and the proposition of modification to existing databases to improve the positive rate of identification. A professional graphic artist was used to modify the images used in the experiments. We use a single and multiple eigenface based neural network as the classifier in our experiments.
Keywords: Face Biometrics, Face Recognition, Eigenfaces, Facial Artifacts.
EXTENSION of the file: .pdf
Special (Invited) Session: Face Biometric Using Multiple Neural Networks
Organizer of the Session: 591-804
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IP ADDRESS: 60.54.46.151

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Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 27-227
Full Name: gfh fgh
Position: Assistant Professor
Age: ON
Sex: Male
Address: fgh
Country: AUSTRALIA
Tel:
Tel prefix:
Fax:
E-mail address: gfh@ert.com
Other E-mails:
Title of the Paper: srt
Authors as they appear in the Paper:
Email addresses of all the authors:
Number of paper pages: 10
Abstract: ert
Keywords: sert
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Transactions: WSEAS TRANSACTIONS ON SIGNAL PROCESSING
Transactions ID Number: 27-226
Full Name: Kenneth Sundaraj
Position: Researcher
Age: ON
Sex: Male
Address: University Malaysia Perlis
Country: MALAYSIA
Tel: 00 6012 6011 974
Tel prefix:
Fax: 00 604 979 8142
E-mail address: kenneth@unimap.edu.my
Other E-mails: kenneth.sundaraj@gmail.com
Title of the Paper: Homogeneous Pin-Through-Hole Component Inspection Using Fringe Tracking
Authors as they appear in the Paper: K. Sundaraj
Email addresses of all the authors: kenneth@unimap.edu.my
Number of paper pages: 11
Abstract: Automated visual inspection (AVI) systems are playing important roles in ensuring manufacturing quality in the electronic industry especially in the assemblage of printed circuit boards (PCB). Most existing AVIs that are used for PCB inspection are categorized as non-contact inspection systems consisting of a single overhead camera. Such systems, which can be manual or automated, are incapable of detecting 3D pin-through-hole (PTH) component placement defects and reporting them. By considering an assembled PCB as a textured surface with a predefined depth map, we propose to apply an angled fringe projection to detect defects in PTH component placement. It has been found that angled fringe projection can be used for surface analysis by applying phase shifting and phase unwrapping obtained from several images. However, the turnover time for PCB inspection is very crucial in the electronic industry. In other words, an alternative improved method that speeds up the ins!
pection process is always desirable. This paper describes a method of applying an angled fringe projection for 3D height measurement using a single captured image and a direct triangulation technique. The main focus of this paper has been made on the development of a fringe tracking algorithm and its practical implementation details. This algorithm allows us to obtain the depth map of the surface under analysis with just one image. The simulated data and calibration process of the tracking algorithm are discussed and an experimental result is given for Peripheral Component Interconnect (PCI) component insertion in computer motherboards. With proper system calibration and accurate image processing, we demonstrate the successful manipulation of a structured collimated light source for height measurement using a single captured image.
Keywords: Automated Visual Inspection, Fringe Projection, PCB Inspection.
EXTENSION of the file: .pdf
Special (Invited) Session: Homogeneous Surface Metrology Using Structured Fringe Projection
Organizer of the Session: 564-278
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Transactions: WSEAS TRANSACTIONS ON SYSTEMS AND CONTROL
Transactions ID Number: 31-383
Full Name: CANURECI GABRIELA
Position: Ph.D. Candidate
Age: ON
Sex: Female
Address: A.I.Cuza, Nr.13, Craiova, Dolj
Country: ROMANIA
Tel: 0741031302
Tel prefix: 0040741031302
Fax:
E-mail address: gabriela@automation.ucv.ro
Other E-mails: gabrielacanureci_aut@yahoo.com
Title of the Paper: Additive Faults Detection and Level Control in Coupled Tanks
Authors as they appear in the Paper: CANURECI GABRIELA, VINATORU MATEI, MAICAN CAMELIA, IANCU EUGEN
Email addresses of all the authors: gabriela@automation.ucv.ro, vinatoru@automation.ucv.ro, camelia@automation.ucv.ro, iancu@automation.ucv.ro
Number of paper pages: 10
Abstract: This paper presents a strategy for level control, detection and localization of the possible faults types for coupled tanks. The control and faults detection algorithm was developed using the combination of Matlab - Simulink with WinCon 5.1 software. Also in the paper, a mathematical model of the process is developed used design and control algorithm. The experimental applications were developed on the didactical plant "Quanser Water Level Control Two Tank Module".
Keywords: Detection, localisation, additive faults, disturbances, noise, level control, pole placement.
EXTENSION of the file: .pdf
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How Did you learn about congress: Canureci Gabriela, Romania, Str. A.I.Cuza, Nr.13, Dolj, University of Craiova, Department of Automation, gabriela@automation.ucv.ro
IP ADDRESS: 79.117.148.170

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Transactions: WSEAS TRANSACTIONS ON POWER SYSTEMS
Transactions ID Number: 27-225
Full Name: Anant Oonsivilai
Position: Assistant Professor
Age: ON
Sex: Male
Address: 111 University Street, Muang District, Suranaree University of Technology,Nakhon Ratchasima, 30000
Country: THAILAND
Tel: 660815487728
Tel prefix: 66
Fax: 66044224601
E-mail address: anant@sut.ac.th
Other E-mails: roonsivi@sut.ac.th
Title of the Paper: Application of Adaptive Tabu Search for Optimum PID Controller tuning AVR System
Authors as they appear in the Paper: Anant Oonsivilai and Padej Pao-La-Or
Email addresses of all the authors: anant@sut.ac.th, padej@sut.ac.th
Number of paper pages: 12
Abstract: This paper postulates the ascertainment of offline, optimal proportional-integral-derivative (PID) controller parameters of an automatic voltage regulator (AVR) system using Adaptive Tabu Search (ATS) algorithm. By minimizing the performance index such as integrated absolute error (IAE), the integral of squared error (ISE), and the integral time absolute error (ITAE) employed method, the parameters of this PID controller is acquired. For significant contrast, the classical tuning proposed by Ziegler and Nichols is applying compared with demostrated method. The performance of the proposed tuning mechanism had been demonstrated and analysed in efficient and robust in improving the step response of an AVR system with application to control of synchronous generator excitation system by selecting the suitable performance index.
Keywords: Optimal control, AVR, Excitation system, PID controller, Adaptive Tabu Search
EXTENSION of the file: .pdf
Special (Invited) Session: Optimum PID Controller tuning for AVR System using Adaptive Tabu Search
Organizer of the Session: 616-112
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IP ADDRESS: 125.25.196.42

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 27-224
Full Name: Matei Vinatoru
Position: Professor
Age: ON
Sex: Male
Address: 13 A. I. Cuza str., Craiova, Jud. Dolj
Country: ROMANIA
Tel: *40251.437541
Tel prefix:
Fax: *40.251.437541
E-mail address: vinatoru@automation.ucv.ro
Other E-mails: mvinatoru2000@yahoo.com
Title of the Paper: Hydropower Plant Control using Holonic Structure Concept
Authors as they appear in the Paper: Matei Vinatoru
Email addresses of all the authors: vinatoru@automation.ucv.ro, mvinatoru2000@yahoo.com
Number of paper pages: 10
Abstract: In hierarchical distributed control systems for hydro power groups located over a large area, there are requirements for independent (autonomous) operation of control systems for each power group (or parts of the group), to solve local problems or in case of real-time faults over communication paths with upper levels. In this case, the control equipment for power groups may be defined as holons, and their autonomy property ensures a decentralized relationship of heter-hierarchical type. There are presented the possibilities of the study of operational regimes of the plant using experiments performed on lab equipment. This is offering a methodology to implement alternate solutions for the control systems of power plants
Keywords: Distributed control systems, Hydro power plant, Holonic architecture
EXTENSION of the file: .pdf
Special (Invited) Session: Fault Detection in Hydropower Plant using Holonic Structure Concept
Organizer of the Session: 591-326
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IP ADDRESS: 79.117.192.228

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Transactions: WSEAS TRANSACTIONS ON APPLIED AND THEORETICAL MECHANICS
Transactions ID Number: 27-223
Full Name: Jamil Abdo
Position: Associate Professor
Age: ON
Sex: Male
Address: P O Box 33, Mechanical Engineering Dept., Sultan Qaboos Universit, Al-Khoud 123
Country: OMAN
Tel: 00 968 2414 1350
Tel prefix:
Fax:
E-mail address: jdabdo@squ.edu.om
Other E-mails:
Title of the Paper: The Effect of Frequency and Amplitude of Vibration on the Coefficient of Friction for Metals
Authors as they appear in the Paper: Jamil Abdo and Mahmoud Tahat
Email addresses of all the authors: jdabdo@squ.edu.om
Number of paper pages: 10
Abstract: Experiments were conducted to determine the effects of frequency and amplitude of vibration on friction. The experimental analysis also seeks to take into account a variety of factors influencing the coefficient of friction such as normal load and surface roughness. An in-house pin-on-disc apparatus was constructed with a spindle speed control and applied forced-feedback to perform the tests. The response surface methodology is utilized to investigate the effects of the factors and their cross influence on the coefficient of friction for the Steel C1020 and Aluminum 7079. The analysis of variance is done on the experimental data to evaluate the statistical significance of the model. The response equation for the coefficient of friction of Steel C1020 and Aluminum 7079 were determined. The ranges of frequency and amplitude of vibration were 120 – 600 Hz and 15 – 225 µm, respectively. Studies have shown that the coefficient of friction decreases with the incre!
ase of frequency and amplitude of vibration within the observed ranges for both metals whereas the in case of Aluminum 7079 the coefficient of friction is about 13 % when it compares with the coefficient of friction of Steel C1020.
Keywords: Frequency and amplitude of vibration, Coefficient of friction, Pin on disc
EXTENSION of the file: .doc
Special (Invited) Session: The Effect of Vibration and Amplitude of Vibration on the Coefficient of Friction for Metals
Organizer of the Session: 592-134
How Did you learn about congress: Dr. Raffiq Siddiqui (siddiqui@squ.edu.om) and Khadid Alzebdeh (alzebdeh@squ.edu.om)
IP ADDRESS: 62.231.244.177

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 27-222
Full Name: Wadhah Al mandhari
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: 1-5-1 Chofugaoka, Chofu-shi, Tokyo 182-8585
Country: JAPAN
Tel:
Tel prefix:
Fax:
E-mail address: wadheh@edu.hc.uec.ac.jp
Other E-mails: woo2999@hotmail.com
Title of the Paper: ad-hoc on demand distance vector performance enhancement with active route time-out parameter
Authors as they appear in the Paper: Wadhah Al-mandhari,Koichi Gyoda,Nobuo Nakajima
Email addresses of all the authors: wadheh@edu.hc.uec.ac.jp,n.nakajima@hc.uec.ac.jp,gyoda@shibaura-it.ac.jp
Number of paper pages: 10
Abstract: The routing protocols play an important role in the performance of the Ad-hoc mobile networks. The Ad-hoc On-Demand Distance Vector Routing Protocol (AODV) is a reactive routing protocol for mobile networks. The route discovery process in AODV is initiated only prior to link establishment for data communication. This research focuses on the effect of the Route states hold time parameter on the performance of the Ad-hoc mobile network which is indicated by the Packet Delivery Rate (PDR). Our aim is to identify the effect of varying Route states hold time parameters for Ad-hoc On Demand Distance Vector (AODV) and measure the degree at which the number of stations and their movement speeds affects the PDR. These factors are presented, discussed and simulated using OPNET simulation software
Keywords: Aodv, Opnet, Olsr, Rreq, Rrep, Active route timeout,Packet delivery rate
EXTENSION of the file: .pdf
Special (Invited) Session: Performance Evaluation of Active Route Time-Out parameter in Ad-hoc On Demand Distance Vector (AODV)
Organizer of the Session: 590-247
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IP ADDRESS: 130.153.148.43