Dissertações: Recent submissions

  • LEITE, Valéria Cristina Maria Nascimento; http://lattes.cnpq.br/1507150010707422 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-06-09)
    Nowadays the blind signal processing is one of the areas of greater highlight in the signal processing. The signal processing techniques do not make use of any training sequence nor any information on the mixture of the ...
  • ZANESCO, João Vitor (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2002-12-16)
    It has been widely recognised that manufacturing flexibility is a critical component to achieving a competitive advantage in the marketplace. The ability of manufacturing companies to adapt to their changing environment ...
  • SILVA, Hélia; http://lattes.cnpq.br/8941767047613665 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2004-06-25)
    This work deals with the aerodynamics properties of the flow around an oscillating body, which moves with constant velocity. The amplitude of the oscillatory motion is considered to be small compared to the airfoil length, ...
  • TEIXEIRA, Daniela Rocha; http://lattes.cnpq.br/6248878709762228 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2003-12-15)
    The Federal Government, in 2000, prepared the PPT - Priority Thermelectricity Plan – who set up the construction of thermelectric plants with natural gas throught Bolivia-Brazil duct gas. This research broach the production ...
  • WERDINE, Demarcus; http://lattes.cnpq.br/6080319414713542 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2002-12-27)
    In order to have an up to date vision concerning the water treatment system situation in Brazil, it was presented many data in which were described the deficiencies and evolutions of the water distribution and sewage ...
  • SOARES, Adilson Moreira; http://lattes.cnpq.br/3236561292379068 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2004-10-07)
    This work deals with the analysis of forces and deflections that actuate in thin rectangular plates under different load and boundary conditions, with a linear behavior. In the project of structural plates, normally ...
  • MARTINS, Leandro Chiavegatto (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-09-03)
    This work proposes the use of sliding mode control applied in voltage regulation of synchronous machine working as generator. The main aspects of variable structure control (VSC) using sliding mode are presented. The ...
  • CAMARGO, Cleber Di-Tano (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Materiais para EngenhariaUNIFEI, 2003-09-09)
    The choice of the material for implants is done based on the mechanical resistance, corrosion resistance and according to the in vivo and in vitro tests. In this work the behavior regarding to the corrosion of two alloys ...
  • FAGUNDES, Liliane Dolores; http://lattes.cnpq.br/3977869901040751 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2005-04-04)
    electricity, that is to say, the development of maps of the faults ways that illustrate the architecture of faults formation processes in the related firm. To achieve the faults mapping was created a methodology that ...
  • DUARTE, Roberto Nunes; http://lattes.cnpq.br/4098803469359336 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2003-11-03)
    Computer Simulation (Discrete Event Simulation) is becoming one of the most popular tools for the modeling and analysis of complex manufacturing systems. In a manufacturing project the simulation can be used in two different ...
  • SILVA, Eduardo Dias Felix da; http://lattes.cnpq.br/0492803815045597 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2002-11-01)
    This dissertation work presents a synthetic model of application of the Quality Function Deployment (QFD) accomplished in IMBEL a company of the section of armaments that acts at the market of light armaments. This work ...
  • VASCONCELOS, Everton Cesar; http://lattes.cnpq.br/5995330375311413 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2023-06-19)
    This thesis work presents a synthetic model of application of the Quality Function Deployment (QFD) accomplished in the process of welding in fine foils for the Pulsed MIG/MAG method. This work presents an auxiliary model ...
  • OLIVEIRA, Patrícia Cerávolo Rodrigues de Paiva Nunes; http://lattes.cnpq.br/8222153138307452 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-07-30)
    The purpose of this paper is to present a strategy for an automatic rules fitting and an automatic membership function fitting using genetic algorithms. For that, an algorithm has been developed and implemented to transform ...
  • CERQUEIRA, Cristiano Queiroz; http://lattes.cnpq.br/7912933708970694 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2023-03-31)
    The environmentally appropriate disposal of municipal solid waste (MSW) is a critical issue for Brazilian cities, aggravated by the increase in waste generation above population growth and the global need for urgent reduction ...
  • BASTOS, Hélio de Souza; http://lattes.cnpq.br/0811418453281415 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2003-12-18)
    Given the need of the efficient use of energy in the modern society, face the restrictions of use of the fossil and renewable energy resources, being the residential segment highly relevant in the consumption structure ...
  • MOTA, Hednan Guimarães; http://lattes.cnpq.br/0176860453567985 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Educação em CiênciasUNIFEI, 2023-04-12)
    The contributions in the studies of the History of Mathematics (HM) for the formation of teachers has been the subject of various academic works in our country in the last years. In this context, considering that we can ...
  • COTRIM, Evandro Daniel Calderaro; http://lattes.cnpq.br/9575450331692962 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2003-09-10)
    This work describes an integrated analog-to-digital interface for electric energy measurement, implemented on 0.35μm CMOS process. In this system, voltages and currents are sampled and converted to digital values for later ...
  • MARTINS, Regis de Freitas; http://lattes.cnpq.br/4718662513389067 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2003-06-11)
    Companies in general face a big challenge: how to compete at the turning of this century with big and sudden transformations in globalized world? This paper has as a central objective to gather a group of models for the ...
  • BERNARDO, Paulo Eduardo Masselli; http://lattes.cnpq.br/1189859513364023 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Materiais para EngenhariaUNIFEI, 2003-03-11)
    Beverage cans DWI made from tinplate need an organic coating to avoid iron pick-up. It can change the taste of the beverage compromising the product quality. The 2-piece DWI can has the end made of 5182 H481 aluminum ...
  • PEREIRA, Carlos Alberto Guia; http://lattes.cnpq.br/6681280096945992 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2003-07-04)
    The present work has as purpose the study and implementation, in laboratory, the control and drive system for three-phase induction motor fed by a thyristorized current inverter with natural commutation. The current and ...