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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 28-623
Full Name: Eleftherios Iakovou
Position: Professor
Age: ON
Sex: Male
Address: P.O. Box 461 Thessaloniki
Country: GREECE
Tel: 2310-995970
Tel prefix: +30
Fax: +30-2310-996018
E-mail address: eiakovou@auth.gr
Other E-mails: daidonis@auth.gr, vlachos1@auth.gr, axanthop@auth.gr
Title of the Paper: An analytical methodological framework for managing reverse supply chains in the construction industry
Authors as they appear in the Paper: Dimitrios Aidonis, Anastasios Xanthopoulos, Dimitrios Vlachos, Eleftherios Iakovou
Email addresses of all the authors: daidonis@auth.gr, vlachos1@auth.gr, axanthop@auth.gr, eiakovou@auth.gr,
Number of paper pages: 11
Abstract: As the growing amount of waste created by the construction industry poses severe environmental challenges, environmentally conscious construction processes have emerged as an issue of increasing importance for both the industry and society at large. The proper management of the construction and demolition waste, which constitutes the major solid waste stream in the European Union (apart from mining and farm waste) appears to be of great merit. Reverse logistics and waste management offer the appropriate contextual framework within which the problem can be tackled comprehensively. Towards this effect, a conceptual framework is presented on the current status and legislation in the field of construction and demolition waste management, as well as on the optimal deconstruction and demolition practices of the end-of-life buildings with the goals of materials' recycling and waste minimization. In addition, a novel integrated decision-making model for the entire construc!
tion and demolition supply chain is proposed starting from the deconstruction and demolition decisions till the transportation of the collected materials to potential recyclers/customers and waste disposal sites. Finally, we conclude with a demonstration of the application of the developed model is via a specific case study, and by discussing few interesting managerial insights.
Keywords: Construction industry; Deconstruction; Recycling; Decision-making; Optimization; Reverse logistics; Waste management
EXTENSION of the file: .pdf
Special (Invited) Session: On the optimal deconstruction and recovery processes of end-of-life buildings
Organizer of the Session: 593-620
How Did you learn about congress: Agis Papadopoulos Associate Professor agis@eng.auth.gr, Christos Tarantilis Associate Professor tarantil@aueb.gr, Avraam Karagiannidis Assistant Professor akarag@auth.gr
IP ADDRESS: 155.207.20.228

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 31-712
Full Name: Katerina Hyniova
Position: Associate Professor
Age: ON
Sex: Female
Address: Dept. of Control Eng., FEE Czech Technical University, Karlovo namesti 13, 121 35 PRAGUE
Country: DENMARK
Tel: 224357402
Tel prefix: ++420
Fax: 224357330
E-mail address: hyniova@fel.cvut.cz
Other E-mails: hyniova@seznam.cz
Title of the Paper: Active Suspension ystem with Linear Electric Motor
Authors as they appear in the Paper: Katerina Hyniova, Antonin Stribrsky, Jaroslav Honcu, Ales Kruczek
Email addresses of all the authors: stribrsk@fel.cvut.cz,hyniova@fel.cvut.cz,honcu@fel.cvut.cz,kruczea@fel.cvut.cz
Number of paper pages: 10
Abstract: - Suspension system is an important part of the car design, because it influences both the comfort and safety of the passengers. In this paper an active suspension using linear electric motor is designed. This article is also focused on experiments with active suspension – developing an appropriate input signal for the test bed and evaluation of the results. Second important aspect of the active suspension design is energy demand of the system. Modification of the standard controller which allows changing amount of energy required by the system has been designed. Performance of the modification was verified taking various experiments.
Keywords: Robust control, Active vehicle suspension, Linear motors, Energy control, Plant augmentation
EXTENSION of the file: .pdf
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: /Dept.of Control Eng. -library, FEE Czech Technical University, Karlovo namesti 13, 121 35 PRAGUE, dolezilk@fel.cvut.cz
IP ADDRESS: 147.32.80.13

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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 28-622
Full Name: Miroslava Smitkova
Position: Ph.D. Candidate
Age: ON
Sex: Female
Address: FEI STU, Ilkovicova 3, 812 19 Bratislava
Country: SLOVAKIA
Tel: +421 2 602 91 783
Tel prefix: +421
Fax:
E-mail address: miroslava.smitkova@stuba.sk
Other E-mails: mira.smitkova@gmail.com
Title of the Paper: Analysis of the selected processes for hydrogen production
Authors as they appear in the Paper: Miroslava Smitkova, Frantisek Janicek, Juri Riccardi
Email addresses of all the authors: miroslava.smitkova@stuba.sk,frantisek.janicek@stuba.sk
Number of paper pages: 10
Abstract: Hydrogen is industrially produced mainly from fossil fuels by the natural gas steam reforming, the coal gasification and as a by-product of the naphtha reforming. In the future, with respect of a lack of fossil fuels, hydrogen produced from water can play a very important role in the energy system. One of the way how to produce hydrogen from water are water splitting thermo-chemical cycles which replace thermal decomposition of water with several partial reactions. In the study, two most promising water splitting thermo-chemical cycles (Westinghouse cycle and Sulphur-Iodine cycle) were compared with two different processes for hydrogen production (coal gasification and coal pyrolysis). Results obtained from LCA of these processes are reported in the paper.
Keywords: Hydrogen production, Life cycle analysis, Water splitting thermochemical cycles, Westinghouse cycle, Sulphur-Iodine cycle, Solar energy, Gasification, Pyrolisis
EXTENSION of the file: .pdf
Special (Invited) Session: Analysis of processes for hydrogen production
Organizer of the Session: 593-671
How Did you learn about congress: Ing. Gabriel Farkas, gabriel.farkas@stuba.sk
IP ADDRESS: 147.175.112.18

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 28-621
Full Name: Bojan Bakmaz
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Vojvode Stepe 305
Country: YUGOSLAVIA
Tel:
Tel prefix:
Fax:
E-mail address: b.bakmaz@sf.bg.ac.yu
Other E-mails: z.bojkovic@yahoo.com
Title of the Paper: Trends in Interactive Services for Digital Television Infrastructure
Authors as they appear in the Paper: Bojan Bakmaz, Zoran Bojkovic
Email addresses of all the authors: b.bakmaz@sf.bg.ac.yu, z.bojkovic@yahoo.com
Number of paper pages: 10
Abstract: The challenge of multimedia communications is to provide applications that integrate text, image,and video information and to do it in a way that presents ease of use and interactivity. This paper deals with trends in interactive services for digital television infrastructure from the point of view of return channel and flow of information. We start with a short overview concerning previous work on this hot topic. Then, we deal with the interactive services in digital television infrastructure. After that adequate solutions for return channel are presented. Finally, flow of information in the interactive TV services for mobile devices is described including applications on mobile devices.
Keywords: Digital TV, DVB, flow of information, interactive services, mobile devices, return channel.
EXTENSION of the file: .doc
Special (Invited) Session: Interactive Services in Digital Television Infrastructure: Flow of Information and Applications on Mobile Devices
Organizer of the Session: 594-547
How Did you learn about congress:
IP ADDRESS: 212.124.170.152

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 28-620
Full Name: Bojan Bakmaz
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Vojvode Stepe 305
Country: YUGOSLAVIA
Tel:
Tel prefix:
Fax:
E-mail address: b.bakmaz@sf.bg.ac.yu
Other E-mails: z.bojkovic@yahoo.com
Title of the Paper: Trends in Interactive Services for Digital Television Infrastructure
Authors as they appear in the Paper: Bojan Bakmaz, Zoran Bojkovic
Email addresses of all the authors: b.bakmaz@sf.bg.ac.yu, z.bojkovic@yahoo.com
Number of paper pages: 10
Abstract: The challenge of multimedia communications is to provide applications that integrate text, image,and video information and to do it in a way that presents ease of use and interactivity. This paper deals with trends in interactive services for digital television infrastructure from the point of view of return channel and flow of information. We start with a short overview concerning previous work on this hot topic. Then, we deal with the interactive services in digital television infrastructure. After that adequate solutions for return channel are presented. Finally, flow of information in the interactive TV services for mobile devices is described including applications on mobile devices.
Keywords: Digital TV, DVB, flow of information, interactive services, mobile devices, return channel.
EXTENSION of the file: .pdf
Special (Invited) Session: Interactive Services in Digital Television Infrastructure: Flow of Information and Applications on Mobile Devices
Organizer of the Session: 594-547
How Did you learn about congress:
IP ADDRESS: 213.240.13.164

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 28-619
Full Name: Bojan Bakmaz
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Vojvode Stepe 305
Country: YUGOSLAVIA
Tel:
Tel prefix:
Fax:
E-mail address: b.bakmaz@sf.bg.ac.yu
Other E-mails: z.bojkovic@yahoo.com
Title of the Paper: Trends in Interactive Services for Digital Television Infrastructure
Authors as they appear in the Paper: Bojan Bakmaz, Zoran Bojkovic
Email addresses of all the authors: b.bakmaz@sf.bg.ac.yu, z.bojkovic@yahoo.com
Number of paper pages: 10
Abstract: The challenge of multimedia communications is to provide applications that integrate text, image,and video information and to do it in a way that presents ease of use and interactivity. This paper deals with trends in interactive services for digital television infrastructure from the point of view of return channel and flow of information. We start with a short overview concerning previous work on this hot topic. Then, we deal with the interactive services in digital television infrastructure. After that adequate solutions for return channel are presented. Finally, flow of information in the interactive TV services for mobile devices is described including applications on mobile devices.
Keywords: Digital TV, DVB, flow of information, interactive services, mobile devices, return channel.
EXTENSION of the file: .pdf
Special (Invited) Session: Interactive Services in Digital Television Infrastructure: Flow of Information and Applications on Mobile Devices
Organizer of the Session: 594-547
How Did you learn about congress:
IP ADDRESS: 212.124.170.152

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Transactions: WSEAS TRANSACTIONS ON ELECTRONICS
Transactions ID Number: 28-618
Full Name: Nevzat Onat
Position: Assistant Professor
Age: ON
Sex: Male
Address: Vocational School of Technical Studies Electrical Programme, Marmara University, Göztepe Kampüsü, Kadýköy 34722 Istanbul
Country: TURKEY
Tel: +90 216 418 25 06
Tel prefix:
Fax: +90 216 418 25 05
E-mail address: nonat@marmara.edu.tr
Other E-mails:
Title of the Paper: Technological Status and Market Trends of Photovoltaic Cell Industry
Authors as they appear in the Paper: Ýrfan Güney, Nevzat Onat
Email addresses of all the authors: irfan.guney@acibadem.edu.tr,nonat@marmara.edu.tr,
Number of paper pages: 10
Abstract: In this study, technological developments and market tendencies in photovoltaic cell (PV) industry are investigated. The increasing energy demand and decrease in conventional energy resources orientates researches to be in tendency to continuously increase the output of alternative energy resources. Today, crystal silicon cells significantly dominate tendencies in PV Cell market with their converting outputs exceeding 20% in small areas. However, a PV panel with silicon crystal is very expensive. To increase output efficiency by decreasing costs of PV cells and modules, nanotechnology approaches are very important. Nanomaterials that used in PV cell production, absorb sunlight better, increase the energy transformation and cheaper than other materials but require special fabrication fixtures. PV cell market is dominated by Japan and Germany. Installation tendencies are become dense on grid-connected systems. Although the costs of PV module per watt generally follow!
a horizontal route, system installation costs decrease regularly.
Keywords: Silicon PV cells, Nanotechnology, Thin Film, Dye-Sensitized, Efficiency, Installation Cost
EXTENSION of the file: .doc
Special (Invited) Session: Technological Developments on Solar Cell Production and Tendencies
Organizer of the Session: 593-242
How Did you learn about congress:
IP ADDRESS: 193.255.163.152

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Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 28-617
Full Name: Nevzat Onat
Position: Assistant Professor
Age: ON
Sex: Male
Address: Vocational School of Technical Studies Electrical Programme, Marmara University, Göztepe Kampüsü, Kadýköy 34722 Istanbul
Country: TURKEY
Tel: +90 216 418 25 06
Tel prefix:
Fax: +90 216 418 25 05
E-mail address: nonat@marmara.edu.tr
Other E-mails:
Title of the Paper: Household Type Load's Effects on Photovoltaic Systems
Authors as they appear in the Paper: Nazmi Ekren, Nevzat Onat, Þafak Saðlam
Email addresses of all the authors: nazmiekren@marmara.edu.tr,nonat@marmara.edu.tr,ssaglam@marmara.edu.tr
Number of paper pages: 10
Abstract: The solar energy is one of the most important energy sources available because, besides the fact that it is not polluting the environment and it helps to the reduction of green house effect, it is free of charge and it can be easily converted to other forms of energy. Clean and renewable energy production is getting more attractive due to global warming, environmental factors and decrease in conventional energy sources. Photovoltaic cells will be a good alternative against the conventional energy sources in the near future, with their decreasing costs and increasing efficiencies. Photovoltaic cells (PV) are exposed to a lot of various loads depending on their increasing usage areas. Among the energy expenses for a building, the lighting system can contribute up to 50% of the total electrical consumption, and especially large quantities of energy are used in schools and office buildings. For that reason lighting devices are important energy consuming units in our da!
ily life. In this study different load effects on PV cells are examined experimentally. D.C. and A.C. load behaviors are analyzed in switching and in steady state regime and their power-time curves are obtained for the demand of system power. Negative effects of the inverter circuit, which is used for feeding A.C. loads on the system, are expressed experimentally.
Keywords: Photovoltaic System, A.C. Loads, D.C. Loads, Power Led, Compact Fluorescent Lamp.
EXTENSION of the file: .doc
Special (Invited) Session: An Experimental Study of D.C. and A.C. Load Effects on Photovoltaic Systems
Organizer of the Session: 593-266
How Did you learn about congress:
IP ADDRESS: 193.255.163.152

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Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 31-711
Full Name: Jiann-Chyi Rau
Position: Assistant Professor
Age: ON
Sex: Female
Address: 151 Ying-chuan Road, Tamsui, Taipei
Country: TAIWAN
Tel: +886-2-2621565 ext. 2729
Tel prefix:
Fax: +886-2-26209814
E-mail address: jcrau@ee.tku.edu.tw
Other E-mails:
Title of the Paper: The Star-Routing Algorithm Based on Manhattan-Diagonal Model for Three Layers Channel Routing
Authors as they appear in the Paper: Jiann-Chyi Rau, Po-Han Wu, Chia-Jung Liu, and Yi-Chen Lin
Email addresses of all the authors: {jcrau, phwu, cjliu, yclin}@ee.tku.edu.tw
Number of paper pages: 10
Abstract: In this paper, we employ gridded model for channel routing and place the terminals which are horizontally aligned. We have developed a two-layer channel router that can eliminate the constraints due to overlap. The proposed approach is suitable for cell/IP-based channel-less circuit with a few channels. Our developed tool can route the nets in nearly linear time achieving to the advantage of time to market, and lead to the area overhead of 6.34% increase in average. The area overhead results from the space insertion, and we also have shown that the proposed algorithm can achieve 100% routing on most ISCAS¡¦85 benchmarks. In addition, the number of channel tracks can be minimized by our algorithm. We proposed the star-routing algorithm for three layers channel routing using Manhattan-Diagonal Model to solve the channel routing problem. We drew up the smaller grid-model, and in order to avoid violating the DRC, so the algorithm has a restriction for the third metal-l!
ayer in routing step. We don¡¦t need to increasing extra spaces and moving any pins in order to finish the routing completely. The foregoing is good for hard blocks to finish the routing easily, and it does not replace the location of hard blocks because of routing incompletely. Therefore, the height of the entire routing channel can reduce a lot.
Keywords: Channel routing, Manhattan-Diagonal Model, Electronic Design Automation (EDA), Physical Design.
EXTENSION of the file: .pdf
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress:
IP ADDRESS: 163.13.132.40

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 28-616
Full Name: Tetsuzo Kuragano
Position: Professor
Age: ON
Sex: Male
Address: 2-1-1, Hodokubo, Hino-City, Tokyo, 191-8506
Country: JAPAN
Tel: +81-42-591-6248
Tel prefix:
Fax: +81-42-591-5452
E-mail address: kuragano@ei.meisei-u.ac.jp
Other E-mails: kuragano@ei.meisei-u.ac.jp
Title of the Paper: B-spline Curve Generation and Modification based on Specified Radius of Curvature
Authors as they appear in the Paper: Tetsuzo Kuragano and Kazuhiro Kasono
Email addresses of all the authors: kuragano@ei.meisei-u.ac.jp
Number of paper pages: 11
Abstract: A method to generate a quintic B-spline curve which passes through given points is described. In this case, there are four more equations than there are control point positions. Two methods have been developed to compensate for the difference between the number of unknowns and that of the equations. These are assuming that the curvatures at both ends of the curve are zero, and assigning four gradients to the given points. In addition to this method, another method to generate a quintic B-spline curve which passes close to given points, and which has the first derivative at these given points is described. In this case, a linear system will be underdetermined, determined or overdetermined depending on the number of given points with gradients. A method to modify a quintic B-spline curve shape according to the specified radius of curvature distribution to realize an aesthetically pleasing freeform curve is described. The difference between the B-spline curve radius o!
f curvature and the specified radius of curvature is minimized by introducing the least-squares method. Examples of curve generation are given.
Keywords: B-spline curve generation, Curvature vector, Curve shape modification, Given points, Given points with gradients, Underdetermined system, Overdetermined system
EXTENSION of the file: .pdf
Special (Invited) Session: Curve Generation and Modification based on Radius of Curvature Smoothing
Organizer of the Session: 602-219
How Did you learn about congress:
IP ADDRESS: 160.194.186.85

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Transactions: WSEAS TRANSACTIONS ON POWER SYSTEMS
Transactions ID Number: 28-615
Full Name: Ernst Kussul
Position: Doctor (Researcher)
Age: ON
Sex: Male
Address: Circuito Exterior s/n, Ciudad Universitaria
Country: MEXICO
Tel: 56228602 ext 1204
Tel prefix: 5255
Fax: 52-55-55500654
E-mail address: ekussul@servidor.unam.mx
Other E-mails:
Title of the Paper: Flat facet parabolic solar concentrator with support cell for one and more mirrors
Authors as they appear in the Paper: Ernst Kussul, Tatiana Baidyk, Oleksandr Makeyev, Felipe Lara-Rosano, José M. Saniger, Neil Bruce
Email addresses of all the authors: ekussul@servidor.unam.mx, tbaidyk@servidor.unam.mx, mckehev@hotmail.com,lararf@servidor.unam.mx, jose.saniger@ccadet.unam.mx,neil.bruce@ccadet.unam.mx
Number of paper pages: 10
Abstract: Parabolic dish solar concentrators are very expensive devices with a cost of up to a half of the total cost of a solar power station. The specific technology of parabolic mirror manufacturing makes the decrease of the cost very problematic. Even in mass production the cost of a parabolic mirror is estimated as $500 per square meter. There is another way to make a parabolic concentrator by approximating a parabolic surface with large number of small flat mirrors. We created a small prototype of this type of solar concentrator which contains 24 flat mirrors in the form of equilateral triangles with side length of 50mm. This prototype has special nuts to adjust the positions of the nodes in the points of connections of the apexes. These nuts make it possible to approximate the parabolic shape in an easy and inexpensive way.
Keywords: Solar Concentrator, Flat Mirrors, Recognition System
EXTENSION of the file: .pdf
Special (Invited) Session: Flat facet parabolic solar concentrator
Organizer of the Session: 593-156
How Did you learn about congress:
IP ADDRESS: 132.248.36.198

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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 28-614
Full Name: Florin - Niculae Alexe
Position: Professor
Age: ON
Sex: Male
Address: Power Engineering Department, Politehnica University of Bucharest, Splaiul Independentei 313, Sector 6
Country: ROMANIA
Tel: 0214029434
Tel prefix: 004
Fax:
E-mail address: florin.alexe@energ.pub.ro
Other E-mails: alexe_flor_nic@yahoo.fr
Title of the Paper: Thermodynamic analyses for optimizing the design of HTGR¡¦s Helium Brayton cycles
Authors as they appear in the Paper: Florin Alexe, Victor Cenusa
Email addresses of all the authors: florin.alexe@energ.pub.ro,alexe_flor_nic@yahoo.fr,victor.cenusa@energ.pub.ro,cenusa_victor@yahoo.com
Number of paper pages: 12
Abstract: The paper analyzes the close-circuit Brayton (Joule) cycles for High Temperature Gas (Helium) cooled nuclear Reactors (HTGR). Analyzed cycles are with Regenerative Heat Exchanger (RHE), Fragmented Compression and Inter-Cooling (FC&IC). The HTGR imposes the working agent and hot source¡¦s parameters. The cooling conditions give the cycle¡¦s minimal temperature. In the 1st paper¡¦s section, for ideal processes cycles, we show that: A) the boundary parameters and design schemes inflict: A1) the compression ratios (ƒÕ), A2) the specific net work per 1 kg He (wnet), and A3) the thermal efficiencies (£bth); B) the performances are increasing with the IC¡¦s number. In the 2nd section we are taking into consideration the irreversibility¡¦s factors (temperature difference at RHE, revolving machines isentropic efficiencies, and pressure drops) doing sensitivity analyses about their influences on real processes cycle¡¦s performances. We show that: 1) cycle¡¦s performances are!
not continuous growing with IC¡¦s number, and 2) the main influences on design¡¦s option are given by: 21) the temperature difference at RHE and 22) the pressure drops. In the 3rd section we adjusted all the quality factors in a similar manner, reducing the irreversibilities, showing the synergic influences. The 4th section relaxes the hot source¡¦s restrictions. It analyses the influence of HTGR output / input temperatures variation on the main thermodynamic data, showing: £\) the benefit of maximal temperature increase and £]) the need to correlate HTGR¡¦s temperature increment output vs. input with the maximal temperature. The final section contains the main conclusions of the paper.
Keywords: Brayton Cycle, HTGR, Irreversibility, Sensitivity Analysis, Numerical Computation, and Thermodynamic Optimization
EXTENSION of the file: .pdf
Special (Invited) Session: Thermodynamic Processes Irreversibility Influences, on Performances and Design of Helium Joule Cycle for HTGR
Organizer of the Session: 593-180
How Did you learn about congress: George Darie, george.darie@energy.pub.ro, Horia Necula, horia.necula@energ.pub.ro
IP ADDRESS: 141.85.104.8

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Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 28-613
Full Name: Nizar Jabli
Position: Assistant
Age: ON
Sex: Male
Address: A5, Immeuble Sallem Kallala, cité al Omran, Monastir, 5000, tunisia
Country: TUNISIA
Tel: +21623556721
Tel prefix:
Fax:
E-mail address: nj_razin@yahoo.fr
Other E-mails: razinov@hotmail.fr
Title of the Paper: chaos-low periodic orbits transition in synchronous switched circuit
Authors as they appear in the Paper: N. Jabli , H. Khammari , M.F. Mimouni
Email addresses of all the authors: nj_razin@yahoo.fr, gham.hedi@hotmail.com, mfaouzi.mimouni@enim.rnu.tn
Number of paper pages: 11
Abstract: In this paper we consider a modified model of an Alpazur oscillator with a periodically switching operation. Complex oscillatory phenomena are observed due to both switching operation and the appearance of an additional nonlinear component in circuit model. Indeed, subharmonic oscillations and chaotic behavior are illustrated. In addition, time series, phase trajectories and power spectrum was examined in the analysis of the system dynamics. The transition to chaotic states through doubling period bifurcation cascade and the direct transition from fundamental harmonic or odd subharmonic orbits and transition from a special bifurcation paths to chaotic states are discussed in the state space. The role of higher harmonic spectral lines in period-1 responses under parameter variation have seemingly similarities with the results obtained in previous works for non switched dynamical system. Chaotic states resulting from different transition modes are also presented in t!
his paper. For the numerical simulations, techniques for deriving time and composite Poincar´e method are applied.
Keywords: Switching operation,Transition modes, higher harmonic predominance, doubling period cascade.
EXTENSION of the file: .pdf
Special (Invited) Session: Chaotic and hier harmonic oscillations in a nonlinear on-off circuit with synchronous switch
Organizer of the Session: 593-248
How Did you learn about congress:
IP ADDRESS: 41.226.129.165

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 31-710
Full Name: Yang Han
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Department of electrical engineering,Shanghai JiaoTong University,1954 HuaShan Road,Shanghai,P.R.China
Country: CHINA
Tel:
Tel prefix:
Fax:
E-mail address: hanhansjtu@yahoo.com
Other E-mails: xingxuepiaoling@sjtu.edu.cn
Title of the Paper: A Novel Control Strategy for Dynamic Voltage Restorer using Decoupled Multiple Reference Frame PLL (DMRF-PLL)
Authors as they appear in the Paper: Lin Xu, Yang Han, M.M.Khan, Lidan Zhou, Gang Yao, Chen Chen, Junmin Pan
Email addresses of all the authors:
Number of paper pages: 17
Abstract: This paper presents a new control scheme for dynamic voltage restorer (DVR), which consists of a set of series and shunt converters connected back-to-back (BTB), three series transformers, and a dc capacitor installed on the common dc-link. The DVR is characterized by installing the shunt converter on the source side and the series converter on the load side. A decoupled multiple reference frame phase-locked-loop (DMRF-PLL) is proposed, which decouples signals of different frequencies and eliminates interactions between the fundamental-frequency positive-sequence components and harmonic and/or negative-sequence components in the grid voltages. The proposed DMRF-PLL scheme achieves a fast, precise, and robust positive-sequence voltage detection even under unbalanced and/or distorted grid voltages conditions. A detailed description and derivation of the detection method is presented. Besides, a separate proportional-integral (PI) controller is adopted to regulate the!
dc-link capacitor voltage. The load voltage waveform is restored to be sinusoidal with fundamental frequency by dynamically injecting compensating voltages to the series brunch of converters. The validity and effectiveness of the presented scheme has been confirmed by extensive simulation results obtained from a 380V/50kVA system using Matlab/Simulink.
Keywords: Dynamic voltage restorer, decoupled multiple reference frame phase locked loop (DMRF-PLL), voltage sag detection, dc capacitor control, series converters, shunt converters, harmonic and unbalanced voltage compensation.
EXTENSION of the file: .pdf
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IP ADDRESS: 202.120.9.14

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Transactions: WSEAS TRANSACTIONS ON POWER SYSTEMS
Transactions ID Number: 28-612
Full Name: Petros Axaopoulos
Position: Professor
Age: ON
Sex: Male
Address: TEI of Atens Ag. Spyridona 122 10 Egaleo
Country: GREECE
Tel: 210 5385396
Tel prefix:
Fax:
E-mail address: pax@teiath.gr
Other E-mails:
Title of the Paper: Analysis of wind potential and energy production in Naxos island, Greece
Authors as they appear in the Paper: Ioannis Fyrippis, Petros J. Axaopoulos, Gregoris Panayiotou
Email addresses of all the authors:
Number of paper pages: 10
Abstract: A remote location in the northeastern part of Naxos Island, Greece, has been investigated with respect to wind power potential, using real data collected from a measurement mast. The obtained wind characteristics were statistically analyzed using the Weibull and Rayleigh distribution functions. The results from this investigation showed that the selected site falls under Class 7 of the international system of wind classification as the mean annual wind speed recorded in the area was 7.4 m/s and the corresponding annual mean power density was estimated to be 420 W/m2. Furthermore, the prevailing wind directions characterizing the area were the northeastern and the north-northeastern. From the statistical analysis of these results, it was revealed that the Weibull model fitted the actual data better. This remark was further enhanced by the evaluation of the performance of these two distributions. Finally, the expected energy production from two potentially installed !
wind turbines of 1 MW and 2.5 MW has been determined, based on the available wind potential. The resulting annual energy production is 4 GWhe and 8 GWhe for the wind turbine of 1 MW and 2.5 MW respectively.
Keywords: Wind potential, Wind speed, Wind power density, Weibull and Rayeigh distribution, Wind turbine, Greece
EXTENSION of the file: .pdf
Special (Invited) Session: Wind power potential in central Aegean sea, Greece
Organizer of the Session: 593-550.pdf
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IP ADDRESS: 85.74.90.16

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Transactions: WSEAS TRANSACTIONS ON POWER SYSTEMS
Transactions ID Number: 28-611
Full Name: Petros Axaopoulos
Position: Professor
Age: ON
Sex: Male
Address: TEI of Athens - Ag. Spyridona 122 10 Egaleo Athens
Country: GREECE
Tel: 210 5385396
Tel prefix:
Fax:
E-mail address: pax@teiath.gr
Other E-mails:
Title of the Paper: Analysis of wind potential and energy production in Naxos island, Greece
Authors as they appear in the Paper: Ioannis Fyrippis, Petros J. Axaopoulos, Gregoris Panagiotou
Email addresses of all the authors: pax@teiath.gr
Number of paper pages: 10
Abstract: Abstract :- A remote location in the northeastern part of Naxos Island, Greece, has been investigated with respect to wind power potential, using real data collected from a measurement mast. The obtained wind characteristics were statistically analyzed using the Weibull and Rayleigh distribution functions. The results from this investigation showed that the selected site falls under Class 7 of the international system of wind classification as the mean annual wind speed recorded in the area was 7.4 m/s and the corresponding annual mean power density was estimated to be 420 W/m2. Furthermore, the prevailing wind directions characterizing the area were the northeastern and the north-northeastern. From the statistical analysis of these results, it was revealed that the Weibull model fitted the actual data better. This remark was further enhanced by the evaluation of the performance of these two distributions. Finally, the expected energy production from two potentiall!
y installed wind turbines of 1 MW and 2.5 MW has been determined, based on the available wind potential. The resulting annual energy production is 4 GWhe and 8 GWhe for the wind turbine of 1 MW and 2.5 MW respectively.
Keywords: Wind potential, Wind speed, Wind power density, Weibull and Rayeigh distribution, Wind turbine, Greece
EXTENSION of the file: .pdf
Special (Invited) Session: Wind power potential in Central Aegean sea, Greece
Organizer of the Session: 593-550.pdf
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IP ADDRESS: 85.74.239.9

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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 31-709
Full Name: Marian Pearsica
Position: Associate Professor
Age: ON
Sex: Male
Address: 160, Mihai Viteazu St., Brasov, Brasov
Country: ROMANIA
Tel: 740 080 463
Tel prefix: +40
Fax:
E-mail address: marianpearsica@yahoo.com
Other E-mails:
Title of the Paper: Heat Transfer Modeling and Simulating for Laser Beam Irradiation with Phase Transformations
Authors as they appear in the Paper: Marian Pearsica, Ioan-Gheorghe Ratiu, Claudia-Georgeta Carstea, Cristian Constantinescu, Constantin Strambu, Laurian Gherman
Email addresses of all the authors: marianpearsica@yahoo.com, ratiu_2000@yahoo.com, ccc2089@yahoo.com, ccg_cristi@yahoo.com, strimbu_c@yahoo.com, lauriang@gmail.com
Number of paper pages: 10
Abstract: The proposed mathematical model is a numerical method to find the temperature distribution at metals processing with concentrated laser beam, assisted by an active gas jet. The quality and effects of laser beam processing depend on: optimal choosing of the irradiation parameters, characteristics of the processed material surface, additional gas, parameters of the focalization system etc and setting up an optimal processing regime by choosing and maintaining these optimal values during the whole irradiation process as well. The first part of this paper deals with the differential equations system, which governs the laser processing of materials in the presence of the O2 jet, occurring on the mobile irradiation. The numerical method of solving the mathematical model is presented in the second part of the paper. It will base the solving of mathematical model equations, with the advantage of a better approximation of the real phenomenon by considering the simultaneous !
existence of the solid, liquid, and vaporization states in the material zone interacting with laser beam. The defocusing effect of laser beam simultaneous with its advancement in material and the energy loss by electromagnetic radiation and convection will be taken into account as well. The last part of paper presents the graphical representations of radial distribution of the temperature of the three phases: solid, liquid and vapors, and the obtained numerical results, which allow the determining of the technological parameters of processing and the material constants.
Keywords: Laser, Thermal phenomenon, Mathematical model, Temperature distribution, Phase transformations
EXTENSION of the file: .doc
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IP ADDRESS: 79.116.197.100

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 31-708
Full Name: Saadane Rachid
Position: Assistant Professor
Age: ON
Sex: Male
Address: EHTP
Country: MOROCCO
Tel:
Tel prefix:
Fax:
E-mail address: rachid.saadane@gmail.com
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Title of the Paper: Influence of People Shadowing on 60 GHz Band Propagation Using Ray Tracing Technique
Authors as they appear in the Paper:
Email addresses of all the authors:
Number of paper pages: 10
Abstract: Models of radio channel propagation are indispensable in the analysis and design of wireless communication systems. They are used to predict power and interference levels and analyze other properties of the radio link. The main goal of this work is to present a tool that we have developed subject to characterize and modelling indoor radio channel propagation. The tool is based on the ray tracing technique (RTT). This, is used to predict the propagation of HF electromagnetic waves. As, in realistic environment we cannot neglect the significant impact of Human Body Shadowing and other objects in motion on indoor 60 GHz propagation channel. Hence, our proposed model allows a simulation of propagation in a dynamic indoor environment. First, we describe a model of human body. Second, RTT with this model is used to simulate the propagation of millimeter waves in the presence of persons in motion. Results of the simulation show that this tool gives results in agreement wi!
th those reported in the literature. Specially, the effects of people motion on temporal channel properties. Other features of this approach also are outlined.
Keywords: 60 GHz band, Ray Tracing Technique, Indoor channel, Propagation, Human Body Model, Level crossing rate,
EXTENSION of the file: .pdf
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IP ADDRESS: 196.12.225.54

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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 31-707
Full Name: Azami Zaharim
Position: Associate Professor
Age: ON
Sex: Male
Address: SERI, UKM,43600 Bangi
Country: MALAYSIA
Tel: 603-89216843
Tel prefix: 603-89216681
Fax: 603-89216960
E-mail address: azami@vlsi.eng.ukm.my
Other E-mails: azaminelli@gmail.com
Title of the Paper: Ionospheric Effects on GPS Range Finding Using 3D Ray-Tracing and Nelder-Mead Optimisation Algorithm
Authors as they appear in the Paper: SITI SARAH NIK ZULKIFLI, MARDINA ABDULLAH, AZAMI ZAHARIM, MAHAMOD ISMAIL
Email addresses of all the authors: sarra_master@yahoo.com, mardina@eng.ukm.my, azaminelli@gmail.com, mahamod@vlsi.eng.ukm.my
Number of paper pages: 10
Abstract: The Earth's ionosphere plays a crucial role in Global Positioning System (GPS) accuracy because this layer represents the largest source of positioning error for the users of the GPS after the turn-off of Selective Availability (SA). This paper studies the ionospheric effect on transionospheric signal propagation for the Earth-satellite path using 3D Jones Ray-Tracing utilizing Nelder-Mead optimisation algorithm. The ionospheric delay or advance is obtained from the difference between the distance of the ray path from the satellite to the receiver determined from the ray-tracing and the distance for propagation over the line of sight (LOS) at the velocity of light in vacuum. The difference between the standard dual-frequency models corrected range and LOS, known as Residual Range Error (RRE) is calculated. Results show that the RRE of group delay value is different from RRE of phase advance. On the other hand, the group and phase path is longer when considering the!
geomagnetic field effect on both GPS frequencies L1 and L2. The higher order term in total electron content (TEC) calculation that relates to the refractive index is normally neglected due to its small value, but it is clearly shown that it does have some effects in ray-tracing. This analysis needs to be considered for more accurate GPS range finding.
Keywords: GPS, Ionosphere, ray-tracing, Nelder-Mead optimization, RRE
EXTENSION of the file: .doc
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: kpustaka@ukm.my webptsl@ukm.myPerpustakaan Tun Seri Lanang,Universiti Kebangsaan Malaysia
IP ADDRESS: 202.185.38.13

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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 31-706
Full Name: Azami Zaharim
Position: Associate Professor
Age: ON
Sex: Male
Address: SERI, UKM,43600 Bangi
Country: MALAYSIA
Tel: 603-89216843
Tel prefix: 603-89216681
Fax: 603-89216960
E-mail address: azami@vlsi.eng.ukm.my
Other E-mails: azaminelli@gmail.com
Title of the Paper: Friction and Heat transfer in Slip flow Boundary Layer at Constant Heat Flux Boundary Conditions
Authors as they appear in the Paper: M.H. YAZDI,S. ABDULLAH, I. HASHIM, A. ZAHARIM, K. SOPIAN
Email addresses of all the authors: mohammadhossein.yazdi@gmail.com,shahrir@vlsi.eng.ukm.my,ishak_h@ukm.my,azaminelli@gmail.com,ksopian@vlsi.eng.ukm.my
Number of paper pages: 12
Abstract: This paper presents a new analysis of friction and heat transfer in the slip flow boundary layer at constant heat flux boundary conditions for both liquids and gases. By using similarity solution, the fundamental equations of the boundary layer are transformed to ordinary differential equations containing a prandtl number. These ordinary differential equations are solved numerically by using a fourth order Runge-Kutta and shooting method. Consequently, the velocity profiles, temperature profiles, the wall shear stress and the local Nusselt number exhibit a dependence on the slip coefficient. It is shown that laminar boundary layer with slip flow can sufficiently reduce wall friction through slip flow conditions for both cases and increase heat transfer rate in liquids at constant heat flux boundary conditions.
Keywords: constant heat flux, horizontal surface, slip flow, wall shear stress, Nusselt number.
EXTENSION of the file: .doc
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: kpustaka@ukm.my webptsl@ukm.myPerpustakaan Tun Seri Lanang,Universiti Kebangsaan Malaysia
IP ADDRESS: 202.185.38.13

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Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 31-705
Full Name: Azami Zaharim
Position: Associate Professor
Age: ON
Sex: Male
Address: SERI, UKM,43600 Bangi
Country: MALAYSIA
Tel: 603-89216843
Tel prefix: 603-89216681
Fax: 603-89216960
E-mail address: azami@vlsi.eng.ukm.my
Other E-mails: azaminelli@gmail.com
Title of the Paper: The Suitability Of Statistical Distribution In Fitting Wind Speed Data
Authors as they appear in the Paper: AZAMI ZAHARIM, SITI KHADIJAH NAJID, AHMAD MAHIR RAZALI AND KAMARUZZAMAN SOPIAN
Email addresses of all the authors: azaminelli@gmail.com, khadijahnajid@gmail.com, mahir@ukm.my,ksopian@vlsi.eng.ukm.my
Number of paper pages: 11
Abstract: Wind energy has been used for navigation and agriculture. Recently, wind energy is given a lot of attention because of the focus on renewable energy. Wind energy growth in Asia is currently on the rise. Both India and China are leading with more installed capacity and manufacturing facilities. In Malaysia, wind energy conversion is also given a serious consideration. The potential for wind energy generation in Malaysia depends on the availability of the wind resource that varies with specific location. This paper deals with how to model or how to fit several probability distribution models to Malaysia wind speed data available. As usually described in the literature concerning efforts to develop an adequate statistical model for wind speed, there are a few statistical models discussed such as Weibull Distribution and Rayleigh Distribution. In the literature, it is a common procedure to compare these functions to determine which one fits the measured distribution be!
st. The result from a simple descriptive statistics shows that Weibull distribution might be the probability distribution that can fit the data well.
Keywords: Wind speed, wind speed distribution, Weibull
EXTENSION of the file: .doc
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress: kpustaka@ukm.my webptsl@ukm.myPerpustakaan Tun Seri Lanang,Universiti Kebangsaan Malaysia
IP ADDRESS: 202.185.38.13

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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 28-610
Full Name: ZHENGMAO YE
Position: Assistant Professor
Age: ON
Sex: Male
Address: 426 Pinchback Hall, Southern University, Baton Rouge, LA 70813
Country: UNITED STATES
Tel: 225-771-4172
Tel prefix:
Fax:
E-mail address: zhengmaoye@engr.subr.edu
Other E-mails: yzm001@hotmail.com
Title of the Paper: Evaluating Retina Image Fusion Based on Quantitative Approaches
Authors as they appear in the Paper: ZHENGMAO YE, HUA CAO, SITHARAMA IYENGAR, HABIB MOHAMADIAN
Email addresses of all the authors: zhengmaoye@engr.subr.edu
Number of paper pages: 10
Abstract: Image registration and fusion are conducted using an automated approach, which applies the automatic adaptation from frame to frame with the threshold parameters. Rather than qualitative approach, quantitative measures have been proposed to evaluate outcomes of retina image fusion. Concepts of the discrete entropy, discrete energy, relative entropy, mutual information, uncertainty coefficient and information redundancy have been introduced. Both the Canny edge detector and control point identification are employed to extract retinal vasculature using the adaptive exploratory algorithms. The shape similarity criteria have been selected for control point matching. The Mutual-Pixel-Count maximization based optimal procedure has also been developed to adjust the control points at the sub-pixel level. Then the global maxima equivalent result has been derived by calculating Mutual-Pixel-Count local maxima. For two cases of image fusion practices, the testing results are !
evaluated on a basis of information theories where the satisfactory outcomes have been made.
Keywords: Image Fusion, Image Registration, Histogram, Discrete Energy, Discrete Entropy, Relative Entropy, Mutual Information, Uncertainty Coefficient, Information Redundancy
EXTENSION of the file: .pdf
Special (Invited) Session: Quantitative Approach on Image Fusion Evaluation
Organizer of the Session: # 603-176
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IP ADDRESS: 192.207.173.150

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Transactions: WSEAS TRANSACTIONS ON ADVANCES IN ENGINEERING EDUCATION
Transactions ID Number: 28-609
Full Name: ZHENGMAO YE
Position: Assistant Professor
Age: ON
Sex: Male
Address: 426 Pinchback Hall, Southern University, Baton Rouge, LA 70813
Country: UNITED STATES
Tel: 225-771-4172
Tel prefix:
Fax:
E-mail address: zhengmaoye@engr.subr.edu
Other E-mails: yzm001@hotmail.com
Title of the Paper: Advancing Laboratory Education in Control Engineering with Practical Implementation Approaches
Authors as they appear in the Paper: ZHENGMAO YE, HABIB MOHAMADIAN, HANG YIN, GUOPING ZHANG, SU-SENG PANG
Email addresses of all the authors: zhengmaoye@engr.subr.edu
Number of paper pages: 11
Abstract: Some practical approaches have been presented successfully, which can be applied for control engineering education. Compared with conventional lecturing and laboratory exercising, instructing outcomes can be improved significantly. Two independent sets of instruments from Feedback Instruments Limited are selected to conduct experiments on a basis of the fundamental control theories. In particular, the 33-110 servo system is selected, consisting of three components: mechanical unit, analogue unit and digital unit. The 150 servo system contains a number of major discrete component units. Both systems can be used to test the fundamental control principles, such as the PID control. Matlab is employed for data analyzing, simulation, plotting and programming. Simulink is also employed to implement numerical simulations for advanced control practices. For practical control problems in real time, such as robotic control and engine control, Labview can be applied considerin!
g its merits of the graphical user interface design and block diagram approach. Some typical examples to improve classes at the system and control laboratory are presented, using software or hardware instructing tools such as the Matlab, Simulink and Labview.
Keywords: Engineering Education, Control Laboratories, Control Courses, Matlab, Simulink, Labview
EXTENSION of the file: .pdf
Special (Invited) Session: Simple Practical Implementations in Advancing Laboratory Courses For Control Engineering Education
Organizer of the Session: # 603-174
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IP ADDRESS: 70.151.60.36

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Transactions: WSEAS TRANSACTIONS ON FLUID MECHANICS
Transactions ID Number: 31-704
Full Name: Maher Kakish
Position: Associate Professor
Age: ON
Sex: Male
Address: Salt -jordan Al-Blaqa Applide University
Country: JORDAN
Tel: 00962776716816
Tel prefix:
Fax:
E-mail address: maherkakish@yahoo.com
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Title of the Paper: Comparison between Finite Element Method and AASHTO Specification for the Design of T-Beam Bridge
Authors as they appear in the Paper: DR. MAHER KAKISH
Email addresses of all the authors:
Number of paper pages: 11
Abstract: Abstract: A simple span T-beam bridge was analyzed by using AASHTO specifications and Loadings as a one dimensional structure, then a three- dimensional structure was carried out by using finite element plate for the deck slab and beam elements for the main beam. Both models were subjected to 1.5 AASHTO Loadings and at the same locations to produce maximum bending moment and maximum shear. The results were analyzed and it was found that the results obtained from the finite element model are smaller than the results obtained from one dimensional analysis, which means that the results obtained from AASHTO loadings are consecutive
Keywords: Key Words: T-beam Bridge, Bridges, AASHTO specification, finite element method, AASHTO loading.
EXTENSION of the file: .doc
Special (Invited) Session:
Organizer of the Session:
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IP ADDRESS: 87.236.233.98

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The following information was submitted:

Transactions: WSEAS TRANSACTIONS ON FLUID MECHANICS
Transactions ID Number: 31-703
Full Name: Maher Kakish
Position: Associate Professor
Age: ON
Sex: Male
Address: Salt -jordan Al-Blaqa Applide University
Country: JORDAN
Tel: 00962776716816
Tel prefix:
Fax:
E-mail address: maherkakish@yahoo.com
Other E-mails:
Title of the Paper: comparison between finite element method and AASHTO specification for the design of T-beam bridge
Authors as they appear in the Paper:
Email addresses of all the authors:
Number of paper pages: 11
Abstract: Abstract: A simple span T-beam bridge was analyzed by using AASHTO specifications and Loadings as a one dimensional structure, then a three- dimensional structure was carried out by using finite element plate for the deck slab and beam elements for the main beam. Both models were subjected to 1.5 AASHTO Loadings and at the same locations to produce maximum bending moment and maximum shear. The results were analyzed and it was found that the results obtained from the finite element model are smaller than the results obtained from one dimensional analysis, which means that the results obtained from AASHTO loadings are consecutive.
Keywords: Key Words: T-beam Bridge, Bridges, AASHTO specification, finite element method, AASHTO loading.
EXTENSION of the file: .doc
Special (Invited) Session:
Organizer of the Session:
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IP ADDRESS: 87.236.233.98

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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 28-608
Full Name: Chis Alexandru
Position: Associate Professor
Age: ON
Sex: Male
Address: teodor mihali 58-60
Country: ROMANIA
Tel: 00-40-0745656690
Tel prefix:
Fax:
E-mail address: alexandru.chis@econ.ubbcluj.ro
Other E-mails: ramona.lacurezenu@econ.ubbcluj.ro
Title of the Paper: Concept, trends and application in distance learning, case of BBU
Authors as they appear in the Paper: Chis Alexandru, Lacurezeanu Ramona, Nistor Razvan, Pop Marius, Tirca Alexandra
Email addresses of all the authors: alexandru.chis@econ.ubbcluj.ro, ramona.lacurezeanu@econ.ubbcluj.ro,razvan.nistor@econ.ubbcluj.ro,marius.pop@econ.ubbcluj.ro,alexandra.tirca@econ.ubbcluj.ro
Number of paper pages: 10
Abstract: The overwhelming, positive effects of the Internet and WWW for educational institutions and businesses of every type and size should not be underestimated.Numerous studies have shown substantial return on investment for organizations that adopt Internet technologies to enhance services. Distance learning as a concept is undergoing even today a more and more visible transformation, and at the level of practical application we can notice a very different approach from university to university, from the older web-based learning to on-line learning and e-learning based on IT platforms with different functions sometimes very particular ones depending on the target and the subjects submitted to the learning process. The BBU (Babes-Bolyai University, Cluj-Napoca) case shows that at the level of the most known and competitive university from Romania the way chosen under specific circumstances for doing distance learning and the future directions for getting closer to the e!
ssence of the distance learning concept is the correct one but it is always submitted to adaptation to the academic environment and to the segments of students to which it is addressed.
Keywords: distance learning, higher education, trendse-learning platform, internet technology
EXTENSION of the file: .doc
Special (Invited) Session: Distance learning- Concept and application at BBU
Organizer of the Session: 593-619
How Did you learn about congress: robert.buchmann@econ.ubbcluj.ro
IP ADDRESS: 193.231.19.18

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Transactions: Please, select the Journal that you submit to
Transactions ID Number: 28-607
Full Name: Chis Alexandru
Position: Associate Professor
Age: ON
Sex: Male
Address: teodor mihali 58-60
Country: ROMANIA
Tel: 00-40-0745656690
Tel prefix:
Fax:
E-mail address: alexandru.chis@econ.ubbcluj.ro
Other E-mails: ramona.lacurezenu@econ.ubbcluj.ro
Title of the Paper: Concept, trends and application in distance learning, case of BBU
Authors as they appear in the Paper: Chis Alexandru, Lacurezeanu Ramona, Nistor Razvan, Pop Marius, Tirca Alexandra
Email addresses of all the authors: alexandru.chis@econ.ubbcluj.ro, ramona.lacurezeanu@econ.ubbcluj.ro,razvan.nistor@econ.ubbcluj.ro,marius.pop@econ.ubbcluj.ro,alexandra.tirca@econ.ubbcluj.ro
Number of paper pages: 10
Abstract: The overwhelming, positive effects of the Internet and WWW for educational institutions and businesses of every type and size should not be underestimated.Numerous studies have shown substantial return on investment for organizations that adopt Internet technologies to enhance services. Distance learning as a concept is undergoing even today a more and more visible transformation, and at the level of practical application we can notice a very different approach from university to university, from the older web-based learning to on-line learning and e-learning based on IT platforms with different functions sometimes very particular ones depending on the target and the subjects submitted to the learning process. The BBU (Babes-Bolyai University, Cluj-Napoca) case shows that at the level of the most known and competitive university from Romania the way chosen under specific circumstances for doing distance learning and the future directions for getting closer to the e!
ssence of the distance learning concept is the correct one but it is always submitted to adaptation to the academic environment and to the segments of students to which it is addressed.
Keywords: distance learning, higher education, trendse-learning platform, internet technology
EXTENSION of the file: .doc
Special (Invited) Session: Distance learning- Concept and application at BBU
Organizer of the Session: 593-619
How Did you learn about congress: robert.buchmann@econ.ubbcluj.ro
IP ADDRESS: 193.231.19.18

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Transactions: WSEAS TRANSACTIONS ON BUSINESS AND ECONOMICS
Transactions ID Number: 28-606
Full Name: Lacurezeanu Ramona
Position: Associate Professor
Age: ON
Sex: Female
Address: teodor mihali 56-60
Country: ROMANIA
Tel: 00+40+0723236773
Tel prefix:
Fax:
E-mail address: ramona.lacurezeanu@econ.ubbcluj.ro
Other E-mails: ramona.lacu@personal.ro
Title of the Paper: The future is wireless in Romanian's education?
Authors as they appear in the Paper: Lacurezeanu Ramona, Chis Alexandru, Vlad Miranda, Nistor Razvan, Zagan Zelter Sergiu
Email addresses of all the authors: ramona.lacurezenu@econ.ubbcluj.ro, alexandru.chis@econ.ubbcluj.ro, miranda.vlad@econ.ubbcluj.ro, razvan.nistor@econ.ubbcluj.ro, sergiu.zagan@econ.ubbcluj.ro
Number of paper pages: 10
Abstract: :- mLearning, the idea of using advances in modern wireless technology and the Internet to make education more effective and more widely available than ever before, has attracted much recent discussion. Many universities seem to have already perceived the advantages of the mLearning and higher distance learning centers are beginning to take advantage of them. On the basis of the questionnaire (presented in this paper) used to collect in the more representative way new experiences of mLearning the case studies analyzed are referring to the following: why mLearning now, analysis of the opportunity and the possibility of implementing some mlearning components in eLearning platform (that exist) at FSEGA, Romania; next works. In this paper we try: to examine what phase have other faculties with similar profile - using an mLearning platform – reached; to estimate what is the level for participating in such m-learning project for the students enrolled in the long-distanc!
e education program; to evaluate the level of acceptance of this new challenge for the didactic personnel from FSEGA
Keywords: e-Learning, m-Learning, Mobile Solutions, Wireless Technology
EXTENSION of the file: .doc
Special (Invited) Session: M-Learning in Romania in the university context
Organizer of the Session: 593-624
How Did you learn about congress: liana.stanca@econ.ubbcluj.ro
IP ADDRESS: 193.231.19.18

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The following information was submitted:

Transactions: WSEAS TRANSACTIONS ON BUSINESS AND ECONOMICS
Transactions ID Number: 28-605
Full Name: Lacurezeanu Ramona
Position: Associate Professor
Age: ON
Sex: Female
Address: teodor mihali 56-60
Country: ROMANIA
Tel: 00+40+0723236773
Tel prefix:
Fax:
E-mail address: ramona.lacurezeanu@econ.ubbcluj.ro
Other E-mails: ramona.lacu@personal.ro
Title of the Paper: The future is wireless in Romanian's education?
Authors as they appear in the Paper: Lacurezeanu Ramona, Chis Alexandru, Vlad Miranda, Nistor Razvan, Zagan Zelter Sergiu
Email addresses of all the authors: ramona.lacurezenu@econ.ubbcluj.ro, alexandru.chis@econ.ubbcluj.ro, miranda.vlad@econ.ubbcluj.ro, razvan.nistor@econ.ubbcluj.ro, sergiu.zagan@econ.ubbcluj.ro
Number of paper pages: 10
Abstract: :- mLearning, the idea of using advances in modern wireless technology and the Internet to make education more effective and more widely available than ever before, has attracted much recent discussion. Many universities seem to have already perceived the advantages of the mLearning and higher distance learning centers are beginning to take advantage of them. On the basis of the questionnaire (presented in this paper) used to collect in the more representative way new experiences of mLearning the case studies analyzed are referring to the following: why mLearning now, analysis of the opportunity and the possibility of implementing some mlearning components in eLearning platform (that exist) at FSEGA, Romania; next works. In this paper we try: to examine what phase have other faculties with similar profile - using an mLearning platform – reached; to estimate what is the level for participating in such m-learning project for the students enrolled in the long-distanc!
e education program; to evaluate the level of acceptance of this new challenge for the didactic personnel from FSEGA
Keywords: e-Learning, m-Learning, Mobile Solutions, Wireless Technology
EXTENSION of the file: .rtf
Special (Invited) Session: M-Learning in Romania in the university context
Organizer of the Session: 593-624
How Did you learn about congress: liana.stanca@econ.ubbcluj.ro
IP ADDRESS: 193.231.19.18

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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 28-604
Full Name: Sharmina Begum
Position: Student
Age: ON
Sex: Female
Address: College of Engineering and the Built Environment, Faculty of Sciences, Engineering and Health, Central Queensland University, Rockhampton, QLD 4702, Australia
Country: AUSTRALIA
Tel: 49309313
Tel prefix: 617
Fax: 61 7 4930 9382
E-mail address: s.begum@cqu.edu.au
Other E-mails: srbbd@yahoo.com
Title of the Paper: A comparative review of stormwater treatment and reuse techniques with a new approach: Green Gully
Authors as they appear in the Paper: Sharmina Begum, M. G. Rasul, R. J. Brown
Email addresses of all the authors: s.begum@cqu.edu.au, m.rasul@cqu.edu.au, richard.brown@qut.edu.au
Number of paper pages: 12
Abstract: Water restrictions are currently in place in most of the major cities of Australia in response to the severe drought. In order to manage water resources in a sustainable manner and to help reduce the restrictions, developing methods to recycle and reuse the stormwater and effluent water/waste water has become an important and urgent issue. This paper presents a review of the available stormwater treatment and reuse techniques and introduces a new technology known as 'Green Gully' that collects, purifies and reuses stormwater throughout an automated network system. The component of Green Gully along with experimental set-up and procedures are described. Preliminary experimental result on performance of Green Gully is provided and discussed. A comparative study of available treatment measures with respect to advantages, disadvantages and pollutant trapping efficiency is presented and discussed. This paper also highlights the current stormwater reuse techniques to red!
uce the water crisis. Conclusions based on a comparative study of stormwater treatment measures and reuse techniques are presented, which will be useful for stormwater researchers, planners and stormwater management in general.
Keywords: Stormwater management, Stormwater treatment, Stormwater reuse, Stormwater quality improvement device (SQID), Pollutant, Water restriction, Road Gully, Green Gully
EXTENSION of the file: .pdf
Special (Invited) Session: Stormwater treatment and reuse techniques: A review
Organizer of the Session: 593-479
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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 31-702
Full Name: Constantin-Iulian Vizitiu
Position: Associate Professor
Age: ON
Sex: Male
Address: George Cosbuc Bvd., no 81-83, Bucharest
Country: ROMANIA
Tel: 0213354660/0293
Tel prefix: +40
Fax:
E-mail address: iulian_vizitiu@yahoo.com
Other E-mails:
Title of the Paper: An application of fuzzy-evolutive integral to improve the performances of multispectral ATR systems
Authors as they appear in the Paper: Constantin-Iulian Vizitiu, Florin Serban, Cristian Molder, Mihai Stanciu
Email addresses of all the authors: iulian_vizitiu@yaho.com,florin.serban@ascr.ro,mcc@mta.ro,mst@mta.ro
Number of paper pages: 10
Abstract: According to the literature assigned to automatic target recognition (ATR) system theory, one of the most important methods to improve the performances of these is to use multispectral information provided by a suitable set of sensors, and certainly, proper information fusion techniques. In this paper authors propose an application using an improved evolutive version of Sugeno's fuzzy integral to increase the target recognition performances based on high-resolution radar (HRR) and video imaginary. In order to confirm the broached theoretical aspects, a real input database was used.
Keywords: ATR systems, HRR/video imaginary, decision fusion, neural networks
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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 31-701
Full Name: Constantin-Iulian Vizitiu
Position: Associate Professor
Age: ON
Sex: Male
Address: George Cosbuc Bvd., no 81-83, Bucharest
Country: ROMANIA
Tel: 0213354660/0293
Tel prefix: +40
Fax:
E-mail address: iulian_vizitiu@yahoo.com
Other E-mails:
Title of the Paper: An application of fuzzy-evolutive integral to improve the performances of multispectral ATR systems
Authors as they appear in the Paper: Constantin-Iulian Vizitiu, Florin Serban, Cristian Molder, Mihai Stanciu
Email addresses of all the authors: iulian_vizitiu@yaho.com,florin.serban@ascr.ro,mcc@mta.ro,mst@mta.ro
Number of paper pages: 10
Abstract: According to the literature assigned to automatic target recognition (ATR) system theory, one of the most important methods to improve the performances of these is to use multispectral information provided by a suitable set of sensors, and certainly, proper information fusion techniques. In this paper authors propose an application using an improved evolutive version of Sugeno's fuzzy integral to increase the target recognition performances based on high-resolution radar (HRR) and video imaginary. In order to confirm the broached theoretical aspects, a real input database was used.
Keywords: ATR systems, HRR/video imaginary, decision fusion, neural networks
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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 31-700
Full Name: Chih-Han Chang
Position: Assistant Professor
Age: ON
Sex: Male
Address: 134, SEC. 2, HO-PING E. RD., TAIPEI 10659, TAIWAN (R.O.C.)
Country: TAIWAN
Tel: 886-2-27321104 ext.3433,2478
Tel prefix:
Fax: 886-2-27324069
E-mail address: chihhan@ieee.org
Other E-mails: chihhanchang@msn.com
Title of the Paper: Multi-Goal Fuzzy-Evolution Optimization Technique
Authors as they appear in the Paper: T.Y. Hwang, C.C. Huang, Y.N. Lien, C.H. Chang, T.L. Huang, C.M. Chung
Email addresses of all the authors: chihhan@ieee.org,tsongliang@tea.ntue.edu.tw,
Number of paper pages: 10
Abstract: The purpose of this paper is to address the multi-objective optimization via combined fuzzy satisfied method and evolution programming (E.P.) method. The concept of non-inferiority is employed to characterize a solution of the multi-objective problem. Then, a fuzzy satisfied method based on evolutionary programming is introduced to determine the optimal solution. As a result, the objective functions of the optimization problem are modelled with fuzzy sets to represent their imprecise nature. That also enables us to reduce the inaccuracies in decision-makers¡¦ judgments. A time-sharing computer program is implemented, and an application to a multi-objective operation problem in feeder reconfiguration in electric power systems is demonstrated along with the computer outputs. In conclusion, the proposed solution algorithm allows for a more realistic problem formulation efficiently obtained the optimal solution for the tested system with a large search space.
Keywords: Multi-objective programming, Evolution programming, Fuzzy set, Feeder reconfiguration
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Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 28-603
Full Name: Ding-wei Huang
Position: Professor
Age: ON
Sex: Male
Address: Department of Physics, Chung Yuan Christian University, Chung-li 320
Country: TAIWAN
Tel:
Tel prefix:
Fax:
E-mail address: dwhuang@phys.cycu.edu.tw
Other E-mails:
Title of the Paper: Noise-induced bottleneck in transportation
Authors as they appear in the Paper: Ding-wei Huang
Email addresses of all the authors: dwhuang@phys.cycu.edu.tw
Number of paper pages: 10
Abstract: It is well known that noise reduces the efficiency in transportation. However, what is not so well known is that a small variation of noise can sometimes trigger an abrupt change to the whole system. In this paper, we report such a phase transition induced by the variation of noise. We study the influence of stochastic noise in asymmetric simple exclusion processes in the presence of an on-ramp. Two types of bottleneck can be induced by the noise. With a small noise, a light bottleneck is observed as traffic jams emerge intermittently around the on-ramp. With a large noise, a heavy bottleneck is observed as the traffic in the upstream becomes severely congested. An abrupt transition separates these two types of bottleneck effects. We obtain the detailed phase diagram, which summarizes all the possible states. The density profile, headway distribution, and spatial-temporal trajectory are discussed. We also comment on the daily experiences on highway traffic.
Keywords: Traffic flow; Congestion; Ramp effect; Bottleneck; Phase diagram.
EXTENSION of the file: .pdf
Special (Invited) Session: Non-linear effect of noise around highway on-ramp
Organizer of the Session: 593-208
How Did you learn about congress: wnhuang@phys.cycu.edu.tw; hctseng@phys.cycu.edu.tw
IP ADDRESS: 61.30.72.211

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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 28-602
Full Name: Diana Martin
Position: Doctor (Researcher)
Age: ON
Sex: Female
Address: INFLPR, #409 Atomistilor St., PO-Box: MG-36, 077125 Magurele
Country: ROMANIA
Tel: +4021 4574346
Tel prefix:
Fax: +4021 4574469
E-mail address: martin_inflpr@yahoo.com
Other E-mails: diana.martin@inflpr.ro
Title of the Paper: Depreciated Food Treatment by Combined Ionizing and Non-ionizing Radiations
Authors as they appear in the Paper: Diana Martin, Gabriela Craciun, Iulian Togoe, Elena Manaila, Daniel Ighigeanu, Adelina Ighigeanu
Email addresses of all the authors: martin_inflpr@yahoo.com, gabriela.craciun@inflpr.ro, togoei@yahoo.com, elena.manaila@inflpr.ro, ighigeanu@yahoo.com, adelinaighi@yahoo.com
Number of paper pages: 10
Abstract: The combined effects of ionizing radiations (electron beams of 5.5 MeV) and non-ionizing radiations (microwaves of 2.45 GHz) on the inactivation of total number of germs (TNG) and moulds in depreciated food such as wheat bran, wheat flour and minced beef are presented. The following types of treatments were performed with electron beams (EB) and microwaves (MW): separate EB irradiation, separate MW irradiation, successive irradiation (EB irradiation followed by MW heating) named (EB+MW), successive irradiation (MW heating followed by EB irradiation) named MW+EB and simultaneous irradiation with EB and MW named S(EB+MW). The first interesting experimental result is that the microorganism's survival fraction diminishes exponentially with EB dose for the separate EB irradiation while for the separate MW irradiation the microorganism's survival fraction exhibits an oscillatory decrease versus MW dose: periods of microorganism inhibition are followed by periods of micro!
organism stimulation. The second important result is that all combined irradiation procedures such as S(EB+MW), followed by MW+EB and then by EB+MW, cause greater reduction of NTG and mould survival fractions than separate EB irradiation or separate MW irradiation. The S(EB+MW) treatment type produces the maximum reduction of NTG and moulds. The third important result is that the EB dose level could be reduced by a factor in the range of 1.5-2.5 by combined EB and MW irradiation.
Keywords: Waste food treatment, Electrons, Microwaves, Combined irradiation
EXTENSION of the file: .pdf
Special (Invited) Session: Waste Food Processing by Successive and Simultaneous Electron Beam Irradiation and Microwave Heating
Organizer of the Session: 593-428
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IP ADDRESS: 81.181.130.119

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Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 28-601
Full Name: Daniel Ighigeanu
Position: Doctor (Researcher)
Age: ON
Sex: Male
Address: INFLPR, #409 Atomistilor St., PO-Box: MG-36, 077125 Magurele
Country: ROMANIA
Tel: +4021 4574346
Tel prefix:
Fax: +4021 4574469
E-mail address: ighigeanu@yahoo.com
Other E-mails: daniel.ighigeanu@inflpr.ro
Title of the Paper: Gaseous Pollutants Removal by Combined Ionizing and Non-ionizing Radiation Treatment
Authors as they appear in the Paper: Daniel Ighigeanu, Diana Martin, Ioan Calinescu, Constantin Matei
Email addresses of all the authors: ighigeanu@yahoo.com, martin_inflpr@yahoo.com, calin@tsocm.pub.ro, constantin.matei@inflpr.ro
Number of paper pages: 10
Abstract: The paper presents the test results obtained for SO2, NOx and VOCs removal at semi-pilot scale by combined electron beams (EB) and microwaves (MW) induced non-thermal plasma processes, named EB+MW-NTP. Also, it is described a demonstrative installation consisting of an EB source of 1.8 MeV and 10.8 kW, a microwave source of 2.45 GHz and 4.2 kW and a reaction chamber of 1.102 m x 0.73 m x 0.243 m inner dimensions, in which are injected both, EB and MW. For VOCs removal is used combined EB+MW-NTP and catalytic oxidation, named EB+MW-plasma catalysis, by introducing a catalyst bed at the bottom end of the reaction chamber. The high power EB and MW sources are able to activate the catalyst without additional heat supply. The EB+MW-NTP process, compared with separate EB-NTP or separate MW-NTP process, provides higher pollutants removal efficiencies. The results suggest that chemical reactions driven in both types of plasma, EB-plasma and MW-plasma, complete and sustain!
each other at a higher rate level in the case of pollutants treatment by EB+MW-plasma.
Keywords: SO2, NOx, VOC, Catalyst, Electron Beams, Microwaves, Combined Treatment
EXTENSION of the file: .pdf
Special (Invited) Session: Gaseous Pollutants Treatment at Semi-Pilot Scale by Combined Electron Beams and Microwaves
Organizer of the Session: 593-427
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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 31-699
Full Name: Mohamed Ettaouil
Position: Professor
Age: ON
Sex: Male
Address: Department of Mathematics and Computer science Faculty of Science and Technology of Fez box 2202
Country: MOROCCO
Tel: +21233374871 and +21212042096
Tel prefix:
Fax:
E-mail address: mohamedettaouil@yahoo.fr
Other E-mails: yghanou2000@yahoo.fr
Title of the Paper: Neural architectures optimization and Genetic algorithms
Authors as they appear in the Paper: mohamed ettaouil and youssef ghanou
Email addresses of all the authors: mohamedettaouil@yahoo.fr yghanou2000@yahoo.fr
Number of paper pages: 12
Abstract: Abstract: The artificial neural networks (ANN) have proven their efficiency in several applications: pattern recognition, voice and classification problems. The training stage is very important in the ANN's performance. The selection of the architecture of a neural network suitable to solve a given problem is one of the most important aspects of neural network research. The choice of the hidden layers number and the values of weights has a large impact on the convergence of the training algorithm. In this paper we propose a mathematical formulation in order to determine the optimal number of hidden layers and good values of weights. To solve this problem, we use genetic algorithms. The numerical results assess the effectiveness of the theorical results shown in this paper and computational experiments are presented, and the advantages of the new modelling.
Keywords: Artificial neural networks (ANN), Non linear optimization, Genetic algorithms, Supervised Training, Feed forward neural network.
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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 31-698
Full Name: Nikolaos Karadimas
Position: Senior Lecturer
Age: ON
Sex: Male
Address: Multimedia Technology Laboratory National Technical University of Athens (NTUA) 9 Heroon Polytechneiou, Zografou Campus, 157 80 Athens
Country: GREECE
Tel: 6932121552
Tel prefix: +30
Fax:
E-mail address: nkaradimas@medialab.ntua.gr
Other E-mails: nkaradim@central.ntua.gr
Title of the Paper: Routing Optimization Heuristics Algorithms for Urban Solid Waste Transportation Management
Authors as they appear in the Paper: Nikolaos V. Karadimas, Nikolaos Doukas, Maria Kolokathi, Gerasimoula Defteraiou
Email addresses of all the authors: nkaradimas@medialab.ntua.gr, nikolaos@doukas.net.gr, el00666@mail.ntua.gr, el00661@mail.ntua.gr
Number of paper pages: 10
Abstract: During the last decade, metaheuristics have become increasingly popular for effectively confronting difficult combinatorial optimization problems. In the present paper, two individual meatheuristic algorithmic solutions, the ArcGIS Network Analyst and the Ant Colony System (ACS) algorithm, are introduced, implemented and discussed for the identification of optimal routes in the case of Municipal Solid Waste (MSW) collection. Both proposed applications are based on a geo-referenced spatial database supported by a Geographic Information System (GIS). GIS are increasingly becoming a central element for coordinating, planning and managing transportation systems, and so in collaboration with combinatorial optimization techniques they can be used to improve aspects of transit planning in urban regions. Here, the GIS takes into account all the required parameters for the MSW collection (i.e. positions of waste bins, road network and the related traffic, truck capacities, !
etc) and its desktop users are able to model realistic network conditions and scenarios. In this case, the simulation consists of scenarios of visiting varied waste collection spots in the Municipality of Athens (MoA). The user, in both applications, is able to define or modify all the required dynamic factors for the creation of an initial scenario, and by modifying these particular parameters, alternative scenarios can be generated. Finally, the optimal solution is estimated by each routing optimization algorithm, followed by a comparison between these two algorithmic approaches on the newly designed collection routes. Furthermore, the proposed interactive design of both approaches has potential application in many other environmental planning and management problems.
Keywords: Ant Colony System, ArcGIS Network Analyst, Waste Collection, Optimization Algorithms, Routing, Simulation.
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Transactions: WSEAS TRANSACTIONS ON COMPUTERS
Transactions ID Number: 31-697
Full Name: Nikolaos Bardis
Position: Assistant Professor
Age: ON
Sex: Male
Address: Hellenic Army Academy, Hellenic Naval Academy, Hellenic Air Force Academy, Department of Computer Sciences, Vari - 16673, Terma Hadjikyriakou Avenue, Piraeus - 18539, Dekelia Air Base, Tatoi, Metamorfosi 144 51, Greece
Country: GREECE
Tel: 6937390538
Tel prefix: +30
Fax:
E-mail address: bardis@ieee.org
Other E-mails: bardis@rgcds.org
Title of the Paper: A New Approach of Secret Key Management Lifecycle for Military Applications
Authors as they appear in the Paper: Nikolaos Bardis, Nikolaos Doukas, Konstantinos Ntaikos
Email addresses of all the authors: bardis@ieee.org, nd@aeub.gr, daikoskon@hotmail.com
Number of paper pages: 10
Abstract: In this paper a new approach is presented for key management access and sharing secret keys between certified users of a group. Such schemes are referred to as Symmetric Key Management Systems. The concept of information lifecycle management is first presented and analysed in the context of data storage efficiency. This concept is then extended for use with the management of symmetric secret keys. The need for a standard in symmetric secret key management is presented and founded on software engineering principles. A novel scheme contributing in this direction is hence presented. Specifically, access controls processes are presented that are based on passwords. These passwords, with the additional use of the AES cryptographic algorithm and nonces can be used to provide not only authentication for the access control in the system but additionally for the access in the encrypted file that stores all the symmetrical secret keys of each user of certified group. Followi!
ng this, a new approach for the lifecycle management of secret keys is presented in order to achieve the secure communication based on encryption - decryption of all the messages in real time with the simultaneous use of two symmetrical secret keys for each transmission of information between the users. It is finally concluded that this innovative technology guarantees the automatic password and secret keys management lifecycle irrespective of the actions of the users and provides secure communication between certified group of users in local network and in internet.
Keywords: key management lifecycle, key management system, access control, symmetrical secret key
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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 31-696
Full Name: Nikolaos Karadimas
Position: Senior Lecturer
Age: ON
Sex: Male
Address: Hellenic Army Academy Department of Mathematics and Science Engineering 166 73, Vari, Greece
Country: GREECE
Tel: 6932121552
Tel prefix: +30
Fax:
E-mail address: nkaradimas@sse.gr
Other E-mails: nkaradim@central.ntua.gr
Title of the Paper: A Tool for Military Officers Enchasing Life Long Learning Applied on the Paradigm of Risk Preparedness and Management
Authors as they appear in the Paper: Nikolaos V. Karadimas, Nikolaos Doukas, Nikolaos P. Papastamatiou
Email addresses of all the authors: nkaradimas@sse.gr, doukasn@sse.gr, nikos@omegatech.gr
Number of paper pages: 10
Abstract: In this paper model for managing the Job Rotation of personnel attached to specific military units is proposed. This model aims to maintain the level of the overall preparedness of the units against known risks, by maintaining the presence of skilled personnel present in the unit at any time. The model is used for the development of a software tool that manages the systematic training of army officers in risk prevention and crisis management. The aim of this tool is to globally optimize the movements of army officers between units and training centers so that no units are ever left without skilled staff trained for a particular type of contingency. While officers are in training, they prepare for new hazards and prepare emergency plans for dealing with these particular hazards with the support of more experienced trainers or mentors. When this rotation ends, officers return to their units and assume responsibilities in both implementing the plans they have helped c!
reate, as well as in disseminating the knowledge and skills they have acquired and training more of the unit's staff in being able to conduct appropriate parts of the newly introduced emergency procedures.
Keywords: Risk Preparedness, Job Rotation, Training Sessions, Military Units, Military Applications, Web Services, Grid Architecture.
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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 31-695
Full Name: Nikolaos Doukas
Position: Senior Lecturer
Age: ON
Sex: Male
Address: Hellenic Army Academy, Vari, Greece
Country: GREECE
Tel: 6977719955
Tel prefix: +30
Fax:
E-mail address: nikolaos@doukas.net.gr
Other E-mails: nd@aueb.gr
Title of the Paper: A blind source separation based cryptography scheme for mobile military communication applications
Authors as they appear in the Paper: Nikolaos Doukas, Nikolaos V. Karadimas
Email addresses of all the authors: nikolaos@doukas.net.gr, nkaradimas@sse.gr
Number of paper pages: 10
Abstract: Security in digital transmission is an increasingly interesting topic in a number of fields. In many cases however, the need for security is forfeited due to the high complexity of commonly used cryptosystems. The use of the underdetermined source separation problem as a basis for a cryptographic mechanism has recently been proposed. Many cryptographic algorithms, such as public key algorithms which based a common military application, use as a basis intractable number theory problems (such as integer factorization and exponentiation). Underdetermined blind source separation is also shown to have the potential to serve this purpose, as the difficulties of deriving an analytic solution to this problem have been extensively documented. This paper presents a study of blind source separation based encryption, proposes some further improvements in approaches that have already been presented and illustrates the application of the improved algorithms in the paradigm of se!
cure speech communication. The proposed scheme is related to Independent Component Analysis Concepts. A preliminary cryptanalysis study is presented that verifies the adequacy of the new scheme for use in mobile military communication units and other applications where security is critical. The proposed scheme is also shown to be immune to some of the attacks to which existing methods were believed to be vulnerable.
Keywords: Blind source separation, encryption, secure digital communications.
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