IEEE LATIN AMERICA TRANSACTIONS, VOL. 12, NO. 8, DECEMBER 2014 DECEMBER 2014 Volume 12 Issue 8 1333 IEEE Xplore, DOI, ISI, ISSN 1548-0992 REGULAR ISSUE: Electronics, Energy, Computing A Reference Model for the New Product Development in Medium-Sized Technology-Based Electronics Enterprises, Eduardo Gomes Salgado; Valério Antonio Pamplona Salomon; Carlos Henrique Pereira Mello; Carlos Eduardo Sanches da Silva ..............................................................................................................................................................1341 A Simple Estimator of the Hurst Exponent for Self-similar Traffic Flows, Ginno Millán; Enrique San Juan; Marcela Jamett ...............................................................................................................................................................................1349 Ant Colony Input Parameters Optimization for Multiuser Detection in DS/CDMA Systems, José Carlos Marinello Filho; Reginaldo Nunes de Souza; Taufik Abrão .......................................................................................................................1355 Design of a Fault Tolerant Digital Communication System, by means of RBF Networks.Comparison Simulations with the Encoding and Decoding Algorithms BCH (7,4,1), Hugo Torres Salamea; Marcela Jamett Domínguez; Claudio Urrea Oñate; John Kern Molina .……………………………………………………………………………………………...1365 Metric to Visual Aspects of the Human in Teleoperation of a Mobile Robot, Franco Penizzotto; Emanuel Slawiñski; Vicente Mut ……………………………………………………………………………………………………………..1375 Novel Topology for DC-DC Full-bridge Unidirectional Converter for Renewable Energies, Manuel Ortega; Francisco Jurado; David Vera .……………………………………………………………………………………………………1381 Passivity analysis and modeling of robotic arms, Jose de Jesus Rubio; Adrian Gustavo Bravo; Jaime Pacheco; Carlos Aguilar ……………………………………………………………………………..……………………………………1389 SCADA System for Detection of Explosive Atmospheres in Underground Coal Mines Through Wireless Sensor Network, Alvaro Romero Acero; Alejandro Marín Cano; Jovani Alberto Jiménez Builes …………………….……...1398 SELVABOT-1: Embedded Control System Using Bluetooth Technology, Marcos Sampaio; André Luiz Guerreiro Modesto; Elionai Gomes de Almeida Sobrinho; José Felipe Almeida; Otavio Andre Chase .........................................1404 Studied of the performance of the constellation rectangular, radial and hexagonal with golden interleavers in a channel low voltage power line, Washington Fernández Ravanales.............................................................................................1410 SynFlight: A Disruption-Aware Programmed Transmission Approach For Air-Ground Networks, Rafael Amorim Silva; João Evangelista Netto; Marco Aurélio Campos Paiva; Alessandro Anzaloni ..............................................................1417 A proposal of methodology for the assignment of responsibilities on harmonic distortions using the superposition principle, Ivan Nunes Santos; José Carlos de Oliveira ...................................................................................................1426 An Approximate Power Flow for Distribution Systems, Antonio José Gil Mena; Juan Andrés Martín García ………1432 1334 IEEE LATIN AMERICA TRANSACTIONS, VOL. 12, NO. 8, DECEMBER 2014 Comparison controllers for inverter operating in island mode in microgrids with linear and nonlinear loads, Rubén Ortega Gonzalez; Julio C. Sosa Saavedra; Oscar Carranza Castillo; Victor García Ortega ………………………………………...1441 Coordination of Overcurrent Relays Using Genetic Algorithms and Unconventional Curves, Carlos Alberto Castillo Salazar; Arturo Conde Enríquez ………………………………………………………………………………….……………………..1449 Empirical Studies of Competition in the Chilean Electricity Market, Pablo Varas; Hugh Rudnick ……………………….….1456 Evaluating Electricity Distributors Efficiency Using Self-Organizing Map and Data Envelopment Analysis, Gustavo Naciff de Andrade; Laura Araújo Alves; Carlos Eduardo Ribeiro Flora da Silva; João Carlos C.B. Soares de Mello ...........................1464 Fault locator implementation for radial distribution systems, Juan David Vargas; Gustavo Ramos .........................................1473 Hourly Evaluation of Indexes for Distribution Networks with Distributed Generation, Jorge Mendoza; Miguel López; Sebastián Fingerhuth; Rodrigo Cáceres; Jocelyn Galleguillos ..................................................................................................................1479 Study of harmonics thermal effect in conductors produced by skin effect, Francisco Javier Arcega Solsona; Antonio Pardina Carrera …………………………………………………………………………………………………………………………1488 Utilization Of Natural Lighting In Industrial Environments, Eliane Garlet; Diana Michele Pilz; Beatriz Simone Dockhorn; Vilmar Bueno Silva; Leoni Pentiado Godoy ...............................................................................................................................1496 A Process Model for Standardization and Increase in the Requirements Quality, Jose Andre Dorigan; Rodolfo Miranda de Barros...........................................................................................................................................................................................1502 An Adaptive Architecture for Ambient Intelligence Based on Meta-modeling, Smart Agents, and Wireless Sensor Networks, Silvia E. Restrepo; Jorge E. Pezoa; Demetrio A. Ovalle Carranza ...........................................................................................1508 Content's Personalized Recommendation for Implementing Ubiquitous Learning in Health 2.0, Francisco Milton Mendes Neto; Alisson Alan Lima da Costa; Enio Lopes Sombra; Jonathan Darlan Cunegundes Moreira; Ricardo Alexsandro de Medeiros Valentim; Jose Javier Samper Zapater; Rogério Patrício Chagas do Nascimento; Cecília Dias Flores ..................................1515 Distance Education: A Challenge for Software Development Organizations, Kechi Hirama ...................................................1523 Facilitation of Creativity in Programming, Deller James Ferreira; Luciana de Oliveira Berretta ...........................................1530 Hybrid Intelligent Tutoring System With Didactic Transposition Of The Subjects Guided By Expert Knowlegdment And Self Organizing Maps Neural Network, Sirlon Diniz de Carvalho; Edna Lúcia Flôres; Francisco Ramos de Melo; Luiz Fernando Batista Loja; Milena Bueno Pereira Carneiro ...........................................................................................................................1539 Intelligent System for Portfolio Selection, André Hermenegildo Costa Silva; Wilian Soares Lacerda .....................................1545 Knowledge Engineering: Survey of Methodologies, Techniques and Tools, Debora Cabral Nazario; Mario Antonio Ribeiro Dantas; Jose Leomar Todesco.....................................................................................................................................................1553 Leak Detection of Natural Gas with Base on the Components of Color Spaces RGB and HSI Using Novelty Filter, Roberlanio Oliveira Melo; Cícero Ferreira Fernandes Costa Filho; Marly Guimarães Fernandes Costa .................................................1560 Metadata Extraction for Calculating Object Perimeter in Images, Marcio Hosoya Name; Sergio Silva Ribeiro; Teruo Matos Maruyama; Henrique de Padua Valle; Rosane Falate; Maria Salete Marcon Gomes Vaz .......................................................1566 Performance Evaluation of Dynamic Binary Instrumentation Frameworks, Ricardo J. Rodríguez; Juan Antonio Artal; José Merseguer …………………………………………………………………………………………………………………...…1572 Personal Health Records, Agents Technology and Ontologies for Homecare Monitoring of Chronic Patients, Roberto Perez Carreiro; José Javier Samper Zapater; Rogério Patrício Chagas do Nascimento; Francisco Milton Mendes Neto ......................................................................................................................................................................................................1581 Problem of Optimal Positioning of Routers in a WSAN, Jorge Martínez Padrón; Ismael Nodarse Mora …………...………1590 Productivity Estimation to Diagnosis Support in Bauxite Open-pit Mine Using Fuzzy Logic, Maria Daniely B Silva; Carolina Mattos Affonso; Kassia Cristina S Cavalcante; Francisco Eduardo L. Picanço…………………………………………...….1595 SECHI MORETTI ANNONI NOTARE : TABLE OF CONTENTS Review of Approaches for the use of the Label Flow of IPv6 Header, Line Yasmin Becerra Sánchez; Jhon Jairo Padilla Aguilar ……………………………………………………………………………………………………………………………..……1602 Strategic Planning in IS/IT: Best Practices for Project Manage in Government Organization in Brazil, Mayara Benício Barros Souza; Jose Gilson Almeida Teixeira Filho; Hermano Perrelli Moura .....................................................................................1608 Techniques of the Optimization Based in Artificial Intelligence Applied to Hydrothermal Power Systems Operation Planning, Fábio Antunes; Thiago Ribeiro de Alencar; Patricia Teixeira Leite; Karla Vitorri; Ricardo de Andrade Lira Rabêlo; Dennis Lozano Toufen .............................................................................................................................................................................1615 1335