Dissertações: Recent submissions

  • LEITE, Carlos Raldieres; http://lattes.cnpq.br/3781626677388747 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2020-08-10)
    Brazil has been on the spotlight since it is a country investing more and more in terms of generating electric energy by renewable sources. Building a Hydroelectric Power Plants of small medium and big capacities using the ...
  • PEREIRA, Brian Edison de Godoy; http://lattes.cnpq.br/0087624469523505 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2020-09-28)
    The stall is a well-know aerodynamic effect that consists of a lift abrupt fall due to the flow detachment from the body. Several studies were made in an attempt to suppress this effect, both to avoid air accidents and to ...
  • SILVA, Paulo Victor Viana da; http://lattes.cnpq.br/8651234105648629 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-02-28)
    Synchronous generators have proven over the decades to be the feasible solution for three-phase power systems and have consolidated as the vital piece in power plants in which the source of energy is renewable, as hydraulic ...
  • OLIVEIRA, Kayque Willy Reis de; http://lattes.cnpq.br/9088207570437460 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2020-11-06)
    Survey over the years have become a practical and common way of collecting data using software for the most diverse purposes. Participation in Survey can be considered a phenomenon in which collaborative systems can be ...
  • MARQUES, Tamirys Meirielle; http://lattes.cnpq.br/2699702491200038 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Desenvolvimento, Tecnologias e SociedadeUNIFEI, 2020-10-30)
    This work proposes to approach the quota students' understanding of the vacancy reservation system in a public university in the south of Minas Gerais, after the approval of Law 12. 711 of 2012 (Quota Law). Research is ...
  • SANTOS JUNIOR, Paulo César Paroli; http://lattes.cnpq.br/814927383993747 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2020-10-01)
    It was studied the influence of Duplex Aging Heat Treatment in the susceptibility to stress corrosion cracking of the Ti-6Al-4V alloy submerse in methanol (CH3OH). For comparison reasons, it was carried out a similar ...
  • SILVA, Patricia Cristina dos Passos; Lattes: http://lattes.cnpq.br/5543013032992491 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2020-09-28)
    Over the years, the electric sector has gone through many changes. Among these changes, and the most relevant change is that of the government’s participation in the sector, going from proprietary role into one that is ...
  • COSTA, Ursula Wilberg de Castro; Lattes: http://lattes.cnpq.br/7917419327172589 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado Profissional - Engenharia HídricaUNIFEI, 2020-09-10)
    The unsustainability of municipal drainage systems results from the historical mismanagement of these services and can be observed with both a financial and an environmental bias. The revenue related to these systems is ...
  • MORAES, Artur Átila; Lattes: http://lattes.cnpq.br/7990082668094662 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-09-28)
    This work presents a simulation in MATLAB/Simulink environment of a model based on an electric vehicle, E-Power V1, built by the EcoVeículo team. Initially, the history of electric vehicles is introduced until it reaches ...
  • CARVALHO, Elisa Lefol Nani; http://lattes.cnpq.br/1619012771155734 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-08-28)
    The increased sensitivity of equipment to electrical disturbances and the spread of nonlinear loads are some of the factors that reinforce the importance of Power quality (PQ). Poor power quality can lead to equipment ...
  • BRITO, Thaironi Menezes de; http://lattes.cnpq.br/1437403658084755 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-08-27)
    This work shows a study of temperature behavior of self-cascode composite transistors (SCCTs) and Schottky diode in order to generate both PTAT and CTAT voltages of a temperature-compensated voltage reference. The SCCTs ...
  • MENDES, Felipe Rodrigo de Moraes; http://lattes.cnpq.br/2353809290131028 (Universidade Federal de itajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2020-07-07)
    Introduction: Decision making support in the context of dropout in higher education institutions requires systemic monitoring of dropout rates and the description of dropout students by personal and academic variables. The ...
  • RAYMUNDO, Thiago de Oliveira; http://lattes.cnpq.br/8721531197158257 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Desenvolvimento, Tecnologias e SociedadeUNIFEI, 2020-08-24)
    This work presents a relationship between the theme of development, the field of Social Management and its philosophical roots in Habermas' communicative rationality and verifies the existence of elements of these theoretical ...
  • NOGUEIRA, Diego Batista; http://lattes.cnpq.br/6502438137954456 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2020-08-17)
    Water, although essential to industrial activities, occupies a prominent place in a company's cost matrix. Activities, in the metal coating industry, demand a significant amount of water and generate effluents in the same ...
  • CAMPOS, Raíssa Ferraz; http://lattes.cnpq.br/3794541980252292 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-07-24)
    In Brazil the number of lower limb ablations performed in the public health system is prevalent among surgeries of this type, with transfemoral amputations having the highest incidence. With the loss of a considerable ...
  • MOREIRA, Samuel de Souza Lima; http://lattes.cnpq.br/9111643411852622 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-08-07)
    The efficient use of the electromagnetic spectrum becomes increasingly necessary due to the increase number of cellular devices. One possible solution is the opportunistic spectrum use in the VHF and UHF bands, allocated ...
  • ANTUNES, Harison Araujo; http://lattes.cnpq.br/9276287010759027 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-08-07)
    Power transformers are generally the most expensive assets in an electrical system, in addition to being critical to the operation of the system or an industry in which an unscheduled shutdown can bring enormous economic ...
  • CAMBAMBI, Claudio Adriano Correia; http://lattes.cnpq.br/7593243320218999 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-07-17)
    It is true that the partial shading of a photovoltaic matrix reduces the capacity power generation. It is believed that the maximum power of a photovoltaic matrix partially shading is inversely proportional to the ...
  • FOSTER, João Gabriel Luppi; http://lattes.cnpq.br/3615232952689034 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-07-06)
    This work proposes the application of finite control set model predictive control(FCSMPC) for dynamic reactive power and harmonics compensation. To achieve these objectives the FCS-MPC is applied to a hybrid active power ...
  • ZWETKOFF, Victor Ferreira; http://lattes.cnpq.br/8582399496180576 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-06-12)
    This dissertation proposes a new method for allocating costs of transmission systems consider-ing the intermittency of wind sources. Initially, the mathematical formulation of the transmis-sion cost allocation method is ...