UNIFEI - Campus 1: Itajubá: Recent submissions

  • OLIVEIRA, Francisco Alexandre de; http://lattes.cnpq.br/4018317306536070 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2003-06-17)
    The present study aims at developing and applying a methodological approach for the Activity Based Management in companies physically arranged in manufacture cells. First, a revision of the literature is carried out, ...
  • TAKENAKA, Renan Ryuji Murashita; http://lattes.cnpq.br/6292736149981290 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2023-03-16)
    Control charts are tools from Statistical Process Control widely used to monitor key quality characteristics of a product or service. For being extremely efficient in monitoring and improving quality, research is needed ...
  • AOKI, Alexandre Rasi; http://lattes.cnpq.br/0566385360819334 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2003-02-26)
    There is a permanent demand for new computational tools required for power system operation, supervision, analysis and planning. These software’s become larger and increasingly complex due to the system’s characteristics, ...
  • SALOMON, Karina Ribeiro; http://lattes.cnpq.br/3169357924019841 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2003-04-11)
    The energy crisis that Brazil faced in the past years has made the country, whose energy matrix is mainly based on water resources, opt for the use of other primary sources of energy in order to fulfill the demand of ...
  • RESENDE, Leonidas Chaves de; http://lattes.cnpq.br/7342383170952914 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2002-10-30)
    The regulatory reform of the electric power industry creates an entirely new competitive environment. In this new electricity market, the reliability of services plays a very important role to establish non-deterministic ...
  • PAREDES, Ádrian Enrique Ramón Osório (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2002-11-25)
    damental importance for the people, industries and for the national economy of a country at all, and moreover for the world with the crescent globalization. It is well known, also, that the loss of this input can result ...
  • GOMES, Leonardo Vinicius; http://lattes.cnpq.br/1341236113737330 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2003-02-21)
    This dissertation has the objectives to develop, to implement and simulate simplified mathematical models of combined cycle, with the intention of subsidizing studies of power system dynamic studies. These components ...
  • PAES, Domingos Sávio Faria; http://lattes.cnpq.br/8902389584704234 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2023-02-27)
    With the increasing dependence on technologies on a daily basis, it is evident the concern to maintain the infrastructures that support its operation, thus guaranteeing a good experience for the end user. Thus, denial ...
  • KANE, Daouda; http://lattes.cnpq.br/5317863496971184 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2002-12-18)
    In Grinding, geometrical irregularities called surface texture and surface integrity are normally controlled. To obtain a good surface texture and better surface integrity, depends to a large extend on choosing the cutting ...
  • ALBUQUERQUE, Valério Oscar; http://lattes.cnpq.br/5396585733252371 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2002-12-19)
    Worldwide, the Voltage Collapse phenomenon are provoking drastic consequencesin the reliable operation of the Electric Power Systems. It can be noted that environmental and economic restrictions, besides of the deregulation ...
  • CAMPOS, Rafaella Barrêto; http://lattes.cnpq.br/4768466900412384 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2022-12-16)
    This thesis addresses studies carried out in order to integrate the adaptive control techniques and the Universal Integral Regulator (UIR). The studies started with the implementation of a non-constant gain, but based on ...
  • SOUZA, Alencar Franco de; http://lattes.cnpq.br/3111055721255914 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2022-12-16)
    The present work aims to present a new topology of direct AC-AC converter to switched capacitor. This topology employs only semiconductor elements and capacitors, presenting itself as an alternative to low voltage ...
  • FERREIRA JÚNIOR, Antonio Alves; http://lattes.cnpq.br/2574582299639450 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2022-12-15)
    This work presents a proposal for closed analytical models for the analysis of radioover- fiber (RoF) communication systems using microwave photonics. The influences of the optical fiber chromatic dispersion effects and ...
  • BASTOS, Ivana Riera Pereira; http://lattes.cnpq.br/3280176121304503 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2023-02-17)
    Ultraviolet Radiation (UVR) is responsible for several physical, chemical and biological processes, both on the surface and in the Earth's atmosphere. In humans, UVR can cause benefits, such as vitamin D synthesis, and ...
  • SILVA, Renner Augusto Pereira da; http://lattes.cnpq.br/6824843345329764 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2023-02-24)
    The objective of this dissertation is to study the Global Asymptotic Stability Problem of vector fields. After presenting and clarifying the problems, a brief review of some topics of the Qualitative Theory of Ordinary ...
  • FAGUNDES, Flávia Fernanda Azevedo; http://lattes.cnpq.br/2104597436520176 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2023-02-16)
    Increases in air temperature projected throughout the 21st century may impact the initial development dynamics of forest species, especially those located in persistent climate change hotspots. To deal with such threats, ...
  • RIBEIRO, João Gabriel Martins; http://lattes.cnpq.br/3824648196218149 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2023-02-16)
    Annually, storms that occur in the Southeast of Brazil generate several disturbances to society. The Mesoscale Convective Systems (MCS) generate material losses and human lives, through the production of flooding, falling ...
  • JAIMES, Mariana Neves; http://lattes.cnpq.br/5535888194604329 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Desenvolvimento, Tecnologias e SociedadeUNIFEI, 2022-08-03)
    The Collective de mulheres Raízes da Terra is a self-organization of the Landless Rural Workers Movement (MST) belonging to the area of settlements and popular camps called Quilombo Campo Grande, located in Campo do Meio-MG. ...
  • MATA, Guilherme Ferreira da; http://lattes.cnpq.br/7769607012636323 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2022-12-14)
    The Brazilian electricity sector is going through a revolution in face of modernization challenges, needs for investments in smart grids, insertion of new technologies and distributed energy resources. In this context, it ...
  • NUNES, Luiz Gustavo Pieve; http://lattes.cnpq.br/1610574543271749 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2023-02-14)
    This paper presents an analysis of the ferroresonance problem that occurs in potential transformers in wind farm substations from high frequency transients, which has been increasingly recurrent in the context of the ...