Dissertações: Recent submissions

  • CARVALHO, Hilário Mendes de; http://lattes.cnpq.br/1273045670618620 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2006-12-19)
    This work presents the development of a computational program, denominated TurboCycle, to simulate and to analyze the thermal behavior and performance of gas turbine, operating with simple cycle or regenerative cycle ...
  • SANTOS, Pedro Henrique Mendonça dos; http://lattes.cnpq.br/4081159602034319 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2007-03-06)
    Isolation coordination has been focused on several studies in the latest years. Recently the continuous change on electrical power market associated to the costs related to penalties due to interruptions on power ...
  • ALMEIDA FILHO, Renaldo Gonzaga de (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2006-11-22)
    The manufacturing system modeling through simulation is used since the early 60’s and became one of the most popular and powerful tools for analyzing complex manufacturing systems. Through system modeling is possible ...
  • VOLPATO, Rômulo Mota; http://lattes.cnpq.br/7415923786157515 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-03-09)
    The proposed standard by ABNT (Associação Brasileira de Normas Técnicas) about performance tests in UPS (Uninterrupted power supply) is the EB 2175 Semiconductor converter standard,. However it doesn’t define completely ...
  • SILVEIRA, Antônio Augusto; http://lattes.cnpq.br/0825368074556283 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2004-08-13)
    This study intends to analyze the participation, dissemination and the sharing of knowledge within a banking institution, focusing on the organizational learning processes caused by knowledge management. The theoretical ...
  • PEREIRA, Luís Carlos da Silva (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2007-02-26)
    Voltage stability problems have been a focus of special attention in the last years. Many papers have shown the importance of the study and many occurrences around the world show it may have serious consequences. Since ...
  • COMPOSILVAN, Daniel Marrocos; http://lattes.cnpq.br/6267386997161180 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2003-06-06)
    Electrical power companies’ activities are inserted in an environment full of uncertainties, in which it can be emphasized the uncertainty present in the trading activity. The trend pointed out by the Brazilian authorities ...
  • RANDO, Ricardo; http://lattes.cnpq.br/4069382292494936 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2003-07-15)
    This paper has been originated by the information necessity about Grounding and Protection Against Discharges, in classified Areas. That’s occurs because the shortage and edition in so many different ways, that makes ...
  • RUELLI, André; http://lattes.cnpq.br/4010439751240741 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2002-12-20)
    The organization of information represents today one of the greatest challenges for any corporation that generates great amount of data. The tendency of data volume is to increase even more due to the advance of incorporated ...
  • ALVES, Cleilson Costa; http://lattes.cnpq.br/0922069033504810 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2023-05-15)
    The problem of secant defectivity consists in studying the dimension of the h-secant variety of an algebraic variety. We say that an algebraic variety is h-defective when its h-secant variety does not have the expected ...
  • ALMEIDA, Lucas Gomes de Almeida; http://lattes.cnpq.br/2770273923745181 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2023-05-25)
    Vehicles are becoming more intelligent and connected due to the demand for faster, efficient, and safer transportation. For this transformation, it was necessary to increase the amount of data transferred between electronic ...
  • 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 ...