Teses: Recent submissions

  • 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 ...
  • BRAGANÇA, Rafael Álvares; http://lattes.cnpq.br/3146235849451115 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-02-28)
    This thesis not only contributes to the advancement of knowledge in the field of sensitivity analysis of electrical networks but also offers direct tools and applications for the optimization and operation of these ...
  • HUGO, Andreza de Aguiar; http://lattes.cnpq.br/1755604019540757 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2024-04-04)
    The fashion industry suffers from environmental and social criticism, as it is considered one of the most polluting in the world and many of its workers are subject to precarious working conditions and low wages. This ...
  • MONTEIRO, Ana Flávia Martins; http://lattes.cnpq.br/0021634564216343 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Doutorado - Meio Ambiente e Recursos HídricosUNIFEI, 2023-06-16)
    Climate change is the greatest challenge due to threats in the natural and social systems. For adaptation actions planning to be effective, it is necessary to analyze the impacts on climate variables, especially in potentially ...
  • NETO SILVA, Kaique Osório Alves; http://lattes.cnpq.br/1577823527407022 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2024-04-05)
    Disruptive events have the potential to deeply impact how companies manage and operate their supply chains. These events can be triggered by a variety of factors such as natural disasters, pandemics, regulatory changes, ...
  • TOLEDO, José Veríssimo Ribeiro de; http://lattes.cnpq.br/4711756819023071 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2024-03-20)
    Super duplex stainless steels are difficult-to-cut materials due to their high hardening rates, low thermal conductivity, high fracture resistence, high values of mechanical strength and ductility, high thermal expansion ...
  • BEJARANO, Edwin Gilberto Medina; http://lattes.cnpq.br/7949543557089290 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2023-08-29)
    This work presents the development of a project for the prediction of microstructural properties and phase transformations in the hardenability process of ASM 1045 Steel. The developed procedure mixes numerical simulation, ...
  • SPRESSOLA, Flávio Eduardo; http://lattes.cnpq.br/8703776094570502 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-02-07)
    A large number of power system apparatus around the world are over 30 years old in operation. Replacement of power system assets involves high investments. On the other hand, the failure of such equipment causes a high ...
  • MARCIANO, Alexandre Germano; http://lattes.cnpq.br/6499367135443273 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Doutorado - Meio Ambiente e Recursos HídricosUNIFEI, 2024-03-12)
    On November 5, 2015, in the municipality of Mariana, Minas Gerais, there was the biggest tailings dam accident in Brazil. The Fundão dam collapsed, spilling 32 million cubic meters of waste, causing a severe socioeconomic ...
  • PEREIRA, Cynthia Nathalia; http://lattes.cnpq.br/3038676969701858 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Doutorado - Multicêntrico em Química de Minas GeraisUNIFEI, 2024-02-26)
    Chagas Disease (CD) is a neglected tropical disease caused by the protozoan Trypanosoma cruzi, transmitted by triatomine insects. It is estimated that 6 million people are currently infected worldwide. Chemotherapy is based ...
  • MENSAH, Johnson Herlich Roslee; http://lattes.cnpq.br/6530553789510829 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Doutorado - Meio Ambiente e Recursos HídricosUNIFEI, 2023-12-20)
    Energy generation is an important factor in economic development, combating poverty and ensuring a good quality of life for the population of a nation, which is a major challenge for less developed countries such as the ...
  • CARNEIRO, Mário Brandão; http://lattes.cnpq.br/9760354618175611 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-02-20)
    The purpose of this work is to demonstrate that the use of information technology can positively impact the provision of public services, taking into account knowledge in the theoretical field of regional development, ...
  • ARAÚJO, Lívia Cecília dos Passos; http://lattes.cnpq.br/9340661918321687 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Doutorado - Ciência e Engenharia de MateriaisUNIFEI, 2024-03-01)
    Silicone rubber (SIR) is used in the manufacture of insulators for transmitting electrical energy. The addition of some additives can efficiently improve the resistance to thermal degradation of SIR. In this work, an ...
  • SANTOS, Diogo Josué de Souza; http://lattes.cnpq.br/9738826911750266 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2024-02-22)
    This research explores the potential for synthesizing synthetic fuels and producing ammonia in Brazil using sugarcane bagasse and solid urban waste, both biomasses considered important in the Brazilian energy scenario by ...
  • GAMA, Bruno Renó; http://lattes.cnpq.br/3331231128198258 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2023-12-15)
    The importance of electric motors in industry is undeniable. Many of these machines play a critical role in the processes in which they are integrated. Thus, an unplanned outage of one of these devices can disrupt the ...