Teses: Recent submissions

  • MENEZES, Marco Antonio de Campos; http://lattes.cnpq.br/0288833030578593 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-07-12)
    Corrosion is a global problem, which implies costs in industrialized countries of up to 4.5% of GDP, with either economic, but also social and environmental impacts. These costs arise from waste due to maintenance caused ...
  • MAFRA, Rafael Gonçalves; http://lattes.cnpq.br/2608022582541269 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2024-08-05)
    In this work, the thermal behavior of a 5 kVA three-phase dry transformer was analyzed when subjected to the application of distorted loads and the efficiency of a forced cooling system was obtained using the ...
  • SOUZA, Luiz Gustavo Paes de; http://lattes.cnpq.br/3130720367484084 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2024-08-22)
    High-Speed Machining is recognized as one of the leading manufacturing technologies for achieving higher productivity rates and reduced production costs. In this context, optimizing cutting conditions emerges as an alternative ...
  • SILVA, Rafaela Corrêa; http://lattes.cnpq.br/9015718965002193 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Doutorado - Multicêntrico em Química de Minas GeraisUNIFEI, 2024-07-11)
    The class of heterocyclic compounds is the largest and most relevant in organic chemistry, especially azoles, such as imidazole and pyrazole, since they can be found in several bioactive compounds. For instance, nitroimidazole ...
  • PONTES, Ágata Mayara Paula; http://lattes.cnpq.br/9783590645476319 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Doutorado - Ciência e Engenharia de MateriaisUNIFEI, 2024-07-11)
    Multi-principal element alloys based on refractory metals have been the subject of study with the aim of competing with nickel super alloys due to their high melting temperatures and promising mechanical properties such ...
  • FERNANDES, Bruna de Almeida; Lattes: http://lattes.cnpq.br/0440520886442601 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-06-28)
    Renewable energy sources have been widely used around the world as an alternative for generating clean and sustainable energy. Among them, solar photovoltaic energy stands out as one of the most promising. However, the ...
  • CARVALHO, Diego Barbosa; http://lattes.cnpq.br/7820814611900278 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-06-05)
    This study introduces an optimization-based model featuring weighted and adjustable parame-ters, integrating deterministic and stochastic components to facilitate a seamless transition between control strategies for microgrid ...
  • REZEK, Thiago Junqueira (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2024-07-01)
    This work presents design guidelines to eliminate unwanted hydrodynamic effects on diffuser augmented hydrokinetic and wind turbines. The occurrence of boundary layer separation from the solid surfaces situated inside the ...
  • ASSUNÇÃO, Frederico de Oliveira; http://lattes.cnpq.br/8073512877324742 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-08-28)
    The development of technologies for monitoring and diagnosing internal combustion engines is crucial for improving efficiency, reducing failures, and mitigating environmental impacts. This work addresses the implementation ...
  • ANDRADE, Jorge Vleberton Bessa de; http://lattes.cnpq.br/4094611757219958 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-07-05)
    This thesis presents a comprehensive stochastic techno-economic framework (STEF-H2V) for evaluating green hydrogen projects under uncertainty and risk conditions. Green hydrogen, produced through water electrolysis powered ...
  • TORRES, Francisca Lanai Ribeiro; http://lattes.cnpq.br/5022722581738055 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-06-24)
    Agents trading energy in the free market make decisions by considering, among other factors, the future hydrological conditions of the National Interconnected System (SIN), the impact of these conditions on the predictions ...
  • DIAS, Cássia Gabriele; http://lattes.cnpq.br/3090898930694857 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Doutorado - Meio Ambiente e Recursos HídricosUNIFEI, 2024-04-05)
  • CARVALHO, Jaqueline Corrêa Silva de; http://lattes.cnpq.br/6163192967724423 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-07-11)
    In a Data Science project, it is essential to determine the relevance of the data and identify patterns that contribute to decision–making based on domain–specific knowledge. Furthermore, a clear definition of methodologies ...
  • CARVALHO, Marcos Alberto de; http://lattes.cnpq.br/0779651133115609 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-07-10)
    The strategy of counting carbohydrates in consumed foods is recommended by scientific societies as a way to improve the quality of life for diabetes patients. Monitoring food intake can be facilitated by using a mobile ...
  • SANTOS, Júlia Barros dos; http://lattes.cnpq.br/0683879680274448 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2024-06-14)
    To many people, commuting between home and work is one of the most unpleasant daily activities, potentially impacting physical and mental health, as well as worker performance. In the reviewed literature, no studies directly ...
  • SANTOS JÚNIOR, Vicente Tiburcio; http://lattes.cnpq.br/6537826476893011 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-07-23)
    The present work implements a dynamic classical model of machines on complex plane. For this goal, the state equations for the machine angle, 𝛿 and for the machine rotor speed, 𝜔, will be developed in complex domain. ...
  • SILVA, Lucas Ramon Roque da; http://lattes.cnpq.br/2550001088673319 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2024-04-05)
    The use of industrial waste in cementitious materials is a major challenge for the construction industry. In many sectors, the waste usually presents heterogeneity in terms of volume and production composition, which ...
  • GODOY, Paulo Thiago de; http://lattes.cnpq.br/2329404209255081 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-05-09)
    The centralized secondary control strategies for microgrids (MG) are widely used due to their ease of control and coordination with distributed resources. However, the reliability of these strategies is extensively ...
  • MOREIRA, Letícia de Alcântara; http://lattes.cnpq.br/6503505135788358 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Doutorado - Meio Ambiente e Recursos HídricosUNIFEI, 2024-02-29)
    Nature Conservation Units (UCs) are an important instrument for conserving natural resources, and are becoming increasingly important in view of the current impacts of the hostile environment caused by the consumption ...
  • COSTAL, Glauber Zerbini; http://lattes.cnpq.br/3438535171014247 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Ciência e Engenharia de MateriaisUNIFEI, 2024-04-05)
    Mining is an activity with great economic impact; however, the generation of waste such as IOT has caused concern in the scientific community and governments, which has driven the search for ways to use these materials on ...