UNIFEI - Campus 1: Itajubá: Recent submissions

  • LACERDA, Daniel de Oliveira; http://lattes.cnpq.br/2068163428304551 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2005-12-16)
    The utilization of optimization tools may provide a significant increase in competitiveness at modern companies. The application of such tools may be suitable for almost every production activity. For the manufacturers ...
  • BANHOLZER, Igor Ernesto Grieger; 999999999 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2005-12-19)
    Investment analysis is carried out through the use of proven evaluation tools, such as the DCF (Discounted Cash Flow), which includes the NPV method (net present value) and the IRR method (Internal Rate of Return). The ...
  • CARDOSO, Bruno Pereira; 999999999 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2005-07-15)
    This production discuss the technical, economic and operational performance of the medium voltage transformers manufactured and/or repaired in Brazil, based on results of load and no-load losses, magnetization current, ...
  • RODRIGUES, Giordana Maria; http://lattes.cnpq.br/9630980283008475 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2019-07-10)
    This work presents the design procedure and the analysis of the radiator elements, for the operational frequency of 5 GHz, using microstrip antennas to be applied in the helicopters. The designed microstrip antenna is ...
  • OLIVEIRA, Thiago Luiz Lara; http://lattes.cnpq.br/6578365982805080 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2021-08-16)
    In aerospace industry, composite materials offer several advantages, such as high weight-to strength ratio and corrosion resistance. Aerospace materials are costly and have high safety standards, frequently using ...
  • FARIA NETO, Antonio; http://lattes.cnpq.br/8577293854899248 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2005-12-16)
    The variational calculus is directly related to the energetic modeling of physical systems in general. The advantage of such approach in relation to the classical approaches (Newtonians) is that a system can be subdivided ...
  • SILVA, Leonardo Dalcin; http://lattes.cnpq.br/5443578554591931 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2021-11-03)
    Macrophytes play an important role in the ecosystems in which they occur, such as reservoirs and natural lakes and river. They are responsible for maintaining the natural balance, such as oxygenation, filtration, and ...
  • SIQUEIRA JUNIOR, Laércio Almeida; http://lattes.cnpq.br/1566335377276184 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2021-09-03)
    Decision-making for groups, public or private, is indispensable to the development of organizations, and searching for mechanisms to support the managers more assertively is fundamental to this goal. Know how to use ...
  • OLIVEIRA, Leandro Junior de; http://lattes.cnpq.br/5440411966541343 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2021-09-30)
    In this work a study on the electric arc in industrial electrical systems will be presented, approaching the calculation methods according to the IEEE Std 1584 – 2002 and its revision IEEE Std 1584 – 2018 guides. The ...
  • OGOULOLA, Christel Enock Ghislain; http://lattes.cnpq.br/1882192096482280 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2021-09-14)
    Power quality improvement, reliability and availability of electrical power are significant concerns in power systems. In this context, multi-pulse converters are interface devices between the AC electrical system and ...
  • KAIZER, Betânia Mafra; http://lattes.cnpq.br/8571379585363527 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2021-09-14)
    Before the pandemic of COVID-19, university managers had been showing interest in identifying factors that lead individuals to learn better, or to drop out of a course, or even to fail a subject. Finding answers to these ...
  • 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 ...
  • ROSA, Antônio César Costa Ferreira; http://lattes.cnpq.br/3845027875860177 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2021-08-12)
    Shunt reactors in high-voltage and extra high-voltage, have historically been manufactured using oil-immersed iron core technology, mainly due to issues related to the insulation of the reactor windings. However, with ...
  • DUARTE, Thiago Morais; http://lattes.cnpq.br/1975441326742342 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Educação em CiênciasUNIFEI, 2021-08-10)
    The research presented here aimed to analyze the skills manifested by first and second year high school students when a Didactic Sequence (SD) occurred in the form of a pedagogical intervention based on the Science-Tec ...
  • ARAÚJO, Camila de Fátima Neves; http://lattes.cnpq.br/8726914134910388 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Desenvolvimento, Tecnologias e SociedadeUNIFEI, 2021-07-13)
    The sociodemographic transition, with consequent population aging, is now a global reality. This scenario, concomitant with the growing urbanization of cities, makes the State have to adopt measures and strategies, capable ...
  • FRANÇA, Márcio Alberto de; http://lattes.cnpq.br/3438470433832514 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2021-08-06)
    The research sought to analyze the use of Financial Education by the MPO Agent as a tool for maintaining compliance in the process of granting and conducting Oriented Productive Microcredit operations of retail bank ...
  • VILELA, Filipe Bueno; http://lattes.cnpq.br/4272415056307226 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Materiais para EngenhariaUNIFEI, 2021-07-29)
    The occurrence of bone fractures has progressed globally proportionally to the increase in life expectancy of people. Advances in bone immobilization and regeneration techniques used in medical practice, however, progressed ...
  • GONÇALVES, Elizabeth Abreu da Natividade; http://lattes.cnpq.br/9096767460205238 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2021-08-27)
    Financial education is a topic of great relevance, mainly due to economic crises and their consequences that impact personal and family life. This work aims to research was to propose a training program in financial ...
  • 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 ...
  • RIBEIRO, Luiz Henrique; http://lattes.cnpq.br/5643235533402395 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Doutorado - Materiais para EngenhariaUNIFEI, 2021-09-03)
    This work presents the study of electronic transport on a set of five multilayer molecular beam epitaxy-grown InAs/GaAs semiconductor samples. We developed an automated switch system to carry out electronic transport ...