Dissertações: Recent submissions

  • PEREIRA, Julio Patti; http://lattes.cnpq.br/8332052394853009 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2020-12-10)
    The present work consists of the study of two phenomena involved in fluid-structure interaction analysis, that is, the ground effect and Vortex-Induced Vibrations (V.I.V.). The purely Lagrangian Discrete Vortex Method is ...
  • BORGES, Dimitrius Guilherme Ferreira; http://lattes.cnpq.br/2322507982634726 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2020-12-18)
    The number of vehicles on the streets across the world has quickly grown in the last decade, directly impacting how urban traffic is managed. The signalized junctions control is a vastly known and studied problem. Although ...
  • SILVA, Maise Natalia Soares da; http://lattes.cnpq.br/0362871495912225 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-02)
    This work presents an analysis of the insertion of distributed solar photovoltaic generation in the National Electrical System of São Tomé and Príncipe. The study evaluates technical and economic aspects of viability ...
  • OLIVEIRA, Claudio Pereira de; http://lattes.cnpq.br/6455944369743025 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-16)
    There are several reasons for writing a document related to the high voltage direct current transmission system, highlighting the fast and precise controllability of the HVDC and the possibilities of their applications in ...
  • MENDONÇA, Pedro Marcelo de Morais; http://lattes.cnpq.br/9959703622205975 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2020-12-18)
    Electricity generation from renewable energy sources, has been gaining market and confidence in the world and, being the subject of discussions on sustainability in global and local forums, in particular in Brazil, with ...
  • KUKI, Cassia Akemi Castro; http://lattes.cnpq.br/9348811980113082 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-15)
    The introduction of the electricity market at the Brazilian Power System makes the electricity price forecast an important area of research with many challenges to the market players because of its volatility. The ...
  • REIS, João Paulos dos; http://lattes.cnpq.br/5471354649882909 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-18)
    The accelerated expansion of micro and mini distributed generation (MMGD), associated with the net metering system (SCEE), have a negative impact on power distribution companies and consumers who do not have this type of ...
  • MARQUES, Tais Eliane; http://lattes.cnpq.br/1146861594679625 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2020-12-16)
    Considering the importance of studying the current environmental solid waste management systems (MSW) and the effects of different management strategies for the environment, this work aims to carry out a technical and ...
  • WESTIN, Nicolas de Oliveira Perez; http://lattes.cnpq.br/7607259779680425 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2020-12-18)
    Due to the constant evolution of society, with the fast technologies and processes modernization, energy dealerships suffer constant demands to improve their services, culminating in investments in their infrastructure, ...
  • MONTEIRO, Luiz Fernando Ribas; http://lattes.cnpq.br/0794752062606721 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-18)
    The increased insertion of renewable generation, mainly wind and solar, brings new challenges for the planning and operation of electric power systems due to its dependence on climatic conditions. In this perspective, ...
  • SOARES, Paulo Henrique Vieira; http://lattes.cnpq.br/1243549547600118 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-10)
    The protection philosophy of the electric power system has been under great changes due to the evolution of numeric relays, the IEC61850 standard and the arrival of the digital substation (or 4.0) concept. Along with ...
  • MAIA, Nedson Joaquim; http://lattes.cnpq.br/3107199774910677 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-18)
    This work presents a topology of a low power Transconductance Operational Amplifier (OTA) for the compensation of Common Mode Rejection Ratio (CMRR), in which the transistors operate in the strong inversion mode. Initially, ...
  • MACIEL, Regimar; http://lattes.cnpq.br/2772103386839326 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-15)
    This work aims to propose and validate an architecture of an interval type-2 fuzzy logic systems implemented in FPGA, which meets real-time control applications, with serial processing in the inference mechanisms. This ...
  • HIRAI, Milton Mineo; http://lattes.cnpq.br/9644342911612868 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado Profissional - Engenharia HídricaUNIFEI, 2020-11-19)
    The concepts of iron bacteria and sulfate-reducing bacteria are unknown to most professionals in the generation area of hydroelectric plants, but their corrosive attack is recurrent in dozens of plants. The consequences ...
  • MESQUITA, Denison Gimenes; http://lattes.cnpq.br/8785316217727358 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-11-23)
    Dry-type air-core reactors, as well as capacitors, are basic elements and an integral part of the electrical distribution and the power transmission system. In addition to providing reactive power to the electrical system, ...
  • FARIA, Lucas Eduardo Ribeiro; http://lattes.cnpq.br/3356547772256930 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Materiais para EngenhariaUNIFEI, 2020-10-02)
    With the rapid advancement of technology comes the need for lighter weight and higher strength materials, so studies on new materials and manufacturing techniques are needed. The aeronautics industry is always at the ...
  • JOAQUIM, Thiago Donato; http://lattes.cnpq.br/7972037936748550 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Materiais para EngenhariaUNIFEI, 2020-09-04)
    Currently the Ti-6Al-4V alloy, which represents 90% of the titanium used in the aeronautical industry thanks to combinations of attractive properties such as workability, machining and resistance at high temperatures. ...
  • SILVA, Josimara Aparecida da; http://lattes.cnpq.br/6507011898998966 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Materiais para EngenhariaUNIFEI, 2020-07-01)
    With urban expansion and population growth, currently the consumption of Portland cement has increased, as well as environmental concerns and the search for solutions to mitigate its use. Rice husk ash is an agro-industrial ...
  • JOANNY, Thayane Veiga; http://lattes.cnpq.br/2670834336432733 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado Profissional - Engenharia HídricaUNIFEI, 2020-10-19)
    The present work aims to evaluate technically and socioeconomically the implementation of the condominium system for the collection of sanitary sewage in a rural area. As a case study, it was proposed to implement a ...
  • ALKMIM, Guilherme Módena; http://lattes.cnpq.br/9486561224663130 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Educação em CiênciasUNIFEI, 2020-10-15)
    This research aimed to identify and characterize the presence of popularization of scien ce PS ) and non formal education ( NFE ) in teacher education curricula from the areas of Physics, Chemistry, Biological Sciences ...