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  • GAUTIER, Nelson Jose Diaz; http://lattes.cnpq.br/8995561394082669 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2020-04-30)
    The multi-objective optimization algorithms commonly used in real engineering designs are based on evolutionary strategies. These algorithms often require a large number of evaluations of the objective function to achieve ...
  • MONTEIRO, Juliana Ribas; http://lattes.cnpq.br/2652393084193388 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2020-11-06)
    New opportunities enabled by renewable mobile power stations (RMPSs), in association with microgrids (MGs) ability to operate islanded to the main grid, presents a likely solution to ensure power system novel reliability ...
  • BORGES, Ramon Maia; http://lattes.cnpq.br/7146743799532788 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2020-07-22)
    This study presents radio over fiber (RoF) solutions for the fifth-generation (5G) of wireless networks. After the state of the art and a technical background review, four main contributions are reported. The first one is ...
  • SOARES, Guilherme Augusto Batista; http://lattes.cnpq.br/8544902272229644 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Doutorado - Multicêntrico em Química de Minas GeraisUNIFEI, 2021-03-18)
    Phosphate esters are an important group of chemical compounds. They are naturally found and intrinsically related to life since are involved in genetic and energy storage. However, there is a concern about the use of ...
  • PINTO, Fernando Batista; http://lattes.cnpq.br/2082785753488838 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2019-12-11)
    This work aimed to analyze the influence on the mechanical, rheological and durability properties of a Self Compacting Concrete - SCC that had different percentages of sand replaced by metal slag and the simultaneous use ...
  • RIBEIRO, Aureliano Rodrigues Barborati; http://lattes.cnpq.br/9394369057423767 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2021-04-23)
    In this thesis a dynamic analysis is made through the solution of the differential equation of motion of a composite beam model composed of three layers, two with composite material and one with a viscoelastic core. ...
  • WEDINE, Demarcus; http://lattes.cnpq.br/6080319414713542 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Doutorado - Materiais para a EngenhariaUNIFEI, 2021-07-27)
    The present work aims to analyze the influence of the incorporation of rubber waste from scrap tires (RWT) in different contents and granulometries, in partial replacement for sand, in the physical and mechanical properties ...
  • ALMEIDA, Fabrício Alves de; http://lattes.cnpq.br/5444004788192327 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2021-04-30)
    The technological advent provided the rise of data collection in companies, governments and various industrial segments. In this respect, techniques that seek to perform groupings and discrimination of clusters are widely ...
  • ALVES, Andreia Aparecida de Castro; http://lattes.cnpq.br/3831378780875013 (Universidade Federal de ItajubáBrasilDepartamento 1PPG1UNIFEI, 2020-02-14)
    The handheld devices for the fifth-generation (5G) of mobile communications will support diverse services using different frequency bands, including the Second Frequency Range (FR2), from 24.25 GHz to 52.60 GHz. This ...
  • RODRIGUES, Rodrigo de Paula; http://lattes.cnpq.br/3459819710852051 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2020-12-18)
    Non-intrusive load monitoring (NILM) systems have gained extensive interest due to their potential role regarding power savings for residential customers. These systems, which are mostly based on stages of detection and ...
  • LIMA, Lucas Ramalho de; http://lattes.cnpq.br/4226637404336882 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2018-03-16)
    This thesis presents new methods to classify nodes and substations based on static and dynamic (transient stability) network performances in electrical power systems. The approach is capable of offering a ranking of nodes ...
  • CORRÊA JUNIOR, Paulo Sergio Pedroso; http://lattes.cnpq.br/8607617872091635 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2018-12-06)
    The objective of this research was to study the thermal performance and the emissions of a 30 kW gas microturbine using natural gas (GN) gas mixtures. In a first step, the poor gas from the biomass gasification (rice ...
  • GONZALEZ, Aldemar Martinez; http://lattes.cnpq.br/9367480829470010 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2019-05-10)
    In this study, gasification of oil sludge (OS) from crude oil refinery process has been investigated. Gasification process was simulated by Aspen-Hysys® (v.8.6) tools to evaluate the possibilities of hydrogen-enriched ...
  • HELOU, Gisela Maria Rosas; http://lattes.cnpq.br/2052743780386588 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Doutorado - Materiais para a EngenhariaUNIFEI, 2018-06-27)
    The aim of the present thesis was to study the biosynthesis of silver nanoparticles reduction (AgNPs) in situ in the presence of polyvinyl alcohol (PVA), using aqueous extract of Cinnamomum zeylanicum (cinnamon) as ...
  • NISHIDA, Kenji; http://lattes.cnpq.br/4080396676175116 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2021-02-26)
    This work aims to evaluate the efficiency of the application of the pulsed electromagnetic field in the assisted precipitation of calcium carbonate, to decrease the supply of dissolved calcium in the water, as an innovative ...
  • OLIVEIRA, Lucas Guedes de; http://lattes.cnpq.br/9119669161759099 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2020-08-07)
    Response Surface Methodology is an effective framework for performing modelling and optimization of industrial processes. The Central Composite Design is the most popular experimental design for response surface analyses ...
  • MELLO, Luiz Gustavo de; http://lattes.cnpq.br/2131654065634576 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2021-07-15)
    This study presents a nonlinear multi-objective optimization method for defining optimal weights for combining time series forecasting methods used to estimate annual natural gas demands. The weight allocation approach ...
  • PEREZ, Filipe; http://lattes.cnpq.br/8905197244128668 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2020-09-28)
    Microgrids are a very good solution for current problems raised by the constant growth of load demand and high penetration of renewable energy sources, that results in grid modernization through “Smart-Grids” concept. ...
  • SOUZA, Gabriel Cirac Mendes; http://lattes.cnpq.br/9282621947516871 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2021-07-13)
    Técnicas de reconhecimento de padrões no Sinal Mioelétrico (EMG) são empregadas no desenvolvimento de próteses robóticas, e para isso, adotam diversas abordagens de Inteligência Artificial (IA). Esta Tese se propõe a ...
  • SILVA, André Marques Mancilha da; http://lattes.cnpq.br/6416975016937093 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2021-04-30)
    With the behavioral change of professionals in the labor market, increasingly influenced by new generations and technological evolutions of the 21st century, this research, aimed at obtaining a better performance of these ...