Repositorio Dspace

Envíos recientes

Dissertações: Envíos recientes

  • MENEZES, Marco Antonio de campos; http://lattes.cnpq.br/0288833030578593 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado Profissional - Engenharia HídricaUNIFEI, 2022-02-17)
    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. In the case of Brazil, the waste of water supply ...
  • PIMENTEL, Matheus Souza; http://lattes.cnpq.br/7167471396121809 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2024-07-12)
    In the mechanical recycling of refrigerators, a significant challenge arises: the residue in powder form of rigid polyurethane (PUR), which is difficult to recycle, has high disposal costs, and represents a potential risk ...
  • COSTA, Frâneli Eduarda Rezende; http://lattes.cnpq.br/0975341254682532 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2024-07-10)
    Observing the growing trends in the market and in information technology solutions over the past few years, it is evident that a significant challenge many companies face is determining the best way to price their products ...
  • FERREIRA, Késia; http://lattes.cnpq.br/1549591884652146 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2024-07-15)
    In pursuit of a sustainable future, educational institutions play a fundamental role in promoting practices that preserve the environment and prioritize sustainable development. Understanding how these institutions manage ...
  • FONSECA, Tainá Manicardi Oliva da; http://lattes.cnpq.br/9903678049197886 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2024-07-07)
    Xylooligosaccharides (XOS) are oligomers of xylose with interesting functional properties that can be produced from biomass, and are an interesting bioproduct to compose the portfolio of biorefineries. In this sense, ...
  • SILVA, Marcos Vinícius dos Santos; http://lattes.cnpq.br/5949605467704697 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2024-06-21)
    This thesis presents a novel methodology for optimizing patch antenna designs for both ISM (industrial, scientific, and medical) and 5G frequency bands, based on the particle swarm optimization (PSO) algorithm. Traditional ...
  • ASSIS JÚNIOR, Nilton Raimundo de; http://lattes.cnpq.br/3132084955262538 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2024-07-25)
    Livestock farming is vital to the global economy, but it faces challenges in traceability, sustainability, and production efficiency due to a lack of standardization and difficulties in data sharing. With the growing ...
  • JULIO, Carolina Victória de Jesus Campos de Azevedo; http://lattes.cnpq.br/4882440424155650 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2024-08-13)
    This paper presents the conduct of a product reliability assessment, using warranty drive data as a basis for analyzing failures in the field. Reliability is the probability that a product will operate fault-free for a ...
  • SILVA, Paula Rogéria da; http://lattes.cnpq.br/1620674563809667 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Desenvolvimento, Tecnologias e SociedadeUNIFEI, 2024-04-05)
    Qualitative, exploratory and descriptive study carried out through interviews with 16 health professionals, working during the COVID-19 pandemic. As its main objective, the study sought to analyze, from the perspective of ...
  • FREIRE, Leonardo Almeida; http://lattes.cnpq.br/2042058747895731 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Ciência e Engenharia de MateriaisUNIFEI, 2024-07-12)
    In the pursuit of clean and sustainable energy, In the quest for clean and sustainable energy, thermoelectric materials have been extensively studied and improved, with calcium manganite, CaMnO3 (CMO), being one of the ...
  • SAIKI, Lucas Eiji de Castro; http://lattes.cnpq.br/6495018633720574 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2024-07-09)
    Research on composite materials has gained prominence due to their excellent mechanical properties combined with low weight, attracting various engineering fields such as aerospace, naval, automotive, and industrial ...
  • SOUSA, Laura Vieira Maia de; http://lattes.cnpq.br/6003946407076721 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2024-07-04)
    In the search for energy sources that have lower environmental impacts, there is also the need to dispose of waste generated by human activities. In this context, a holistic analysis of the energy use of residues from ...
  • PERPÉTUO, Samuell Henrique de Magalhães; http://lattes.cnpq.br/7623476184861159 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2024-07-18)
    Industry 4.0, characterized by the integration of digital technologies into industrial processes, has also been transforming and impacting the training and qualification sector for off-road truck operators in mining. ...
  • CHAVES, Ângelo Jerez; http://lattes.cnpq.br/2261820534108101 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado Profissional - Engenharia de MateriaisUNIFEI, 2024-04-08)
  • ALVES, Renata do Carmo Mota; http://lattes.cnpq.br/4233667109528633 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Desenvolvimento, Tecnologias e SociedadeUNIFEI, 2024-04-05)
    The present dissertation stems from the analysis of a complex and multifaceted reality that constitutes the focal problem: the housing crisis in Brazil. The Construction Industry demonstrates inefficient performance both ...
  • LOPES, Guilherme Ferreira; http://lattes.cnpq.br/0256673363135787 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2024-07-10)
    In a globalized context, the decision-making process is crucial for the progress of planned activities. This importance has directly reflected in the pursuit of process improvement, enabling the application of system ...
  • MÁRIO, Doglasse João; http://lattes.cnpq.br/6485465039044194 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2024-07-04)
    The objective of this work is to present a model in tidal theory using what is known in the literature as the gravitational dumbbell model. To this end, we initially study in detail the foundations of the problem, such ...
  • RODRIGUES, Daniel Albino Mosca; http://lattes.cnpq.br/2401148480721684 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPPG - Programas de Pós Graduação - ItajubáUNIFEI, 2024-06-25)
    Embedded systems are crucial in various computing domains, from consumer electronics to industrial automation, but they also pose significant cybersecurity challenges. This work conducts an analysis of the current state ...
  • SANTOS, Francisco Costa; http://lattes.cnpq.br/0966927743783984 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2024-07-11)
    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. ...
  • RODRIGUES, Brenno Torres Alcantara; http://lattes.cnpq.br/6880738940583825 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2024-07-10)
    Ferroresonance oscillations involving voltage transformers (VTs) have become a growing phenomenon, especially in wind parks. The search for practical analysis of ferroresonance has motivated the development of a specialized ...