Dissertações: Recent submissions

  • MAIRINQUE, Laryssa de Andrade; http://lattes.cnpq.br/8087667916430755 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2021-02-11)
    Due to the rapid advance of the disease by Covid-19 and its spread on a global level, the new coronavirus has significantly impacted people's daily activities and created an unprecedented scenario, since several measures ...
  • SANTOS, João Victor Ribeiro; http://lattes.cnpq.br/9043291417003625 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2020-05-26)
    Quality is recognized as an essential component of competitiveness, and is currently seen as a necessity of organizations to the demands and dynamics of the market. Thus, the recognition that it is an effective strategic ...
  • OLIVER, Guilherme Antonio; http://lattes.cnpq.br/5369684790672156 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2021-02-10)
    Laminated composite structures suffers from delamination, the detachment of the layers due to the rupture of the fiber-matrix interface, as their principal mode of failure. Differently from other damages, such as cracks, ...
  • AMARAL, João Victor Soares do; http://lattes.cnpq.br/0938610135560054 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2021-02-09)
    In the context of industry 4.0, optimization via simulation (OvS) emerges as one of the most powerful tools in the modern industry, allowing decision-makers to allocate their resources more assertively. However, in very ...
  • FARIA, Ângela Aparecida Palma; http://lattes.cnpq.br/6810072699026471 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2020-09-28)
    Information about how much each product sold contributes to the results of a company is essential, since, based on accurate information, it is possible to make better decisions in business processes. Often companies have ...
  • COSTA, Leandro Cavalcante; http://lattes.cnpq.br/4502742996958781 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2020-07-02)
    Entrepreneurship Education is today an extensive challenge for Higher Education Institutions, which are strong promoters of socioeconomic development through the training of entrepreneurs and the advancement of entrepreneurship. ...
  • LEMES, Rafaela Souza; http://lattes.cnpq.br/6408077777693568 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2020-12-07)
    Entrepreneurship is one of the main factors responsible for a country's economic development and the improvement of social conditions; it also involves good professional performance and personal fulfillment. Consequently, ...
  • TEIXEIRA, Ederson da Silva; http://lattes.cnpq.br/3564675443795529 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2020-08-18)
    With a service volume of around 3,500 maintenance demands per year, UNIFEI's Directorate of Works and Infrastructure carries out varied and complex processes, which, when not clearly defined, are the cause of management ...
  • PAULA, Paulo Júnio de; http://lattes.cnpq.br/9448014920554481 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2020-02-21)
    The approach analyzed the density of continuous functions in the integrable Riemann function and the space of square integrable Riemann function. The analysis shows that the Cc(X) space is dense in the space of the integrable ...
  • SIERRA, Cristian Fabian Loiaza; http://lattes.cnpq.br/4453893481871711 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2020-06-15)
    In this document, we study the relationship that exists between complex dynamics and symbolic dynamics. Speci cally, we describe a geometric method, with which, based on the complex polynomial dynamics of degree d, we ...
  • SILVA, João Henrique Lírio da; http://lattes.cnpq.br/4086165773609169 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2020-09-23)
    This work presents some approaches to the central configurations of the problem of five bodies in the plane with an equilateral triangle in the arrangement of the bodies. Important aspects such as a general geometric ...
  • ESQUIVEL, William Osnayder Clavijo; http://lattes.cnpq.br/3981170373092562 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2020-05-25)
    In this text we study the Einstein equations in the spatially flat spacetimes (Bianchi-I) which are endowed with an extra locally rotational symmetry (LRS). We develop a new local coordinate representation where we use ...
  • ÁVILA, Deysquele do Nascimento; http://lattes.cnpq.br/0398964442040715 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2020-06-10)
    In this dissertation we provide normal forms and all the global phase portraits on the Poincaré disk of two families of systems: reduced Kukles systems of degree 3 with Z2-equivariant symmetry and of Abel quadratic ...
  • FACHINI, Fernando; http://lattes.cnpq.br/3862818185057428 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-10)
    The aim of this master thesis is to compare voltage and system loading mapping capabilities of a variety of regression algorithms, such as Adaptive Network based Fuzzy Inference System (ANFIS), Artificial Neural Networks ...
  • PEREIRA, Julio Patti; http://lattes.cnpq.br/8332052394853009 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2020-12-10)
    The present work consists of the study of two phenomena involved in fluid-structure interaction analysis, that is, the ground effect and Vortex-Induced Vibrations (V.I.V.). The purely Lagrangian Discrete Vortex Method is ...
  • BORGES, Dimitrius Guilherme Ferreira; http://lattes.cnpq.br/2322507982634726 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2020-12-18)
    The number of vehicles on the streets across the world has quickly grown in the last decade, directly impacting how urban traffic is managed. The signalized junctions control is a vastly known and studied problem. Although ...
  • SILVA, Maise Natalia Soares da; http://lattes.cnpq.br/0362871495912225 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-02)
    This work presents an analysis of the insertion of distributed solar photovoltaic generation in the National Electrical System of São Tomé and Príncipe. The study evaluates technical and economic aspects of viability ...
  • OLIVEIRA, Claudio Pereira de; http://lattes.cnpq.br/6455944369743025 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-16)
    There are several reasons for writing a document related to the high voltage direct current transmission system, highlighting the fast and precise controllability of the HVDC and the possibilities of their applications in ...
  • MENDONÇA, Pedro Marcelo de Morais; http://lattes.cnpq.br/9959703622205975 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2020-12-18)
    Electricity generation from renewable energy sources, has been gaining market and confidence in the world and, being the subject of discussions on sustainability in global and local forums, in particular in Brazil, with ...
  • KUKI, Cassia Akemi Castro; http://lattes.cnpq.br/9348811980113082 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-15)
    The introduction of the electricity market at the Brazilian Power System makes the electricity price forecast an important area of research with many challenges to the market players because of its volatility. The ...