Dissertações: Recent submissions

  • CANTON, Paulo Roberto; http://lattes.cnpq.br/8201600998554979 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2003-09-29)
    The development of a mathematical model and a computational code that simulate a two-dimensional, incompressible and isotherm of turbulent jets and secondary inductions are presented in this work. The computational ...
  • VIOLIN, Airton (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2003-11-10)
    The power system studies carried out on planning level to define the transmission expansion system, in general, do not include accurate models for substations bus arrangements. On the other hand, as it is known some ...
  • CABALLERO, Juan Mario Gamarra (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2002-08-31)
    This Work shows and compares the economical feasibility of sugar mills diversification in Brazil for 3 types of cogeneration technologies: backpressure turbines (TCP), two extractions condensation turbines (TCE) and ...
  • PAULA, Marco Aurélio Rodrigues de; http://lattes.cnpq.br/4338636796498141 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2003-10-10)
    In the last years it has been increasing the researchers' interest, contemplated by the great number of publications, dedicated to the active control of noise, in structures as aeronautics and vehicular. In that sense ...
  • SILVA, André Soares da; http://lattes.cnpq.br/0567482056790812 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2022-12-16)
    The technical literature in numerical analysis offers several alternatives of iterative methods for the solution of nonlinear optimization problems applied to the energy industry. However, when it comes to iterative ...
  • COLOMBARI, Roland Robert; http://lattes.cnpq.br/8999535447828760 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2004-07-14)
    This work is an application of the Design and Analyses of Experiments in the projection spot welding. The main objective was to identify the influence of some factors of this process in the welding quality. Among many ...
  • DARIDO, Tony Youssif Teixeira; http://lattes.cnpq.br/5321676562267516 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-04-14)
    Nowadays the digital system of electric drives has been largely used in the industry, taking place of the analogical systems. Due to the great development of eletronics and microprocessors it is possible the development ...
  • ALMEIDA, Karina Arruda; http://lattes.cnpq.br/7040287999911921 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado Profissional - Engenharia de MateriaisUNIFEI, 2003-08-21)
    This study presents the results obtained for the synthesis and electric characterization of a SnO2 ceramic varistor. High densification ceramics were attained using a ternary system SnO2.Co2O3.Cr2O3. With the specific ...
  • VILASBOAS, Felipe Ribeiro Campos; http://lattes.cnpq.br/4294241449907016 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-12-17)
    One of the most relevant parts of a receiver is the Low Noise Amplifier – LNA. This work describes the design of a fully integrated LNA implemented in 0.35µm CMOS. The circuit should be capable of operating at 1805MHz-1820MHz ...
  • CARNEIRO, Lilia Ramos; http://lattes.cnpq.br/5594629514541565 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2003-03-14)
    The most relevant factor in the modern education system is the human being. For this reason, universities should be kept very well organized and prepared to meet the recent education changes. Moreover, an incessant concern ...
  • SANT’ANA, Wilson Cesar; http://lattes.cnpq.br/6269404117422404 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-05-28)
    This work presents a practical implementation of a Series Active Power Filter for Voltage Sags and Voltage Harmonics compensation. Aspects concerning equipment development and testing are also discussed. It is shown how ...
  • MILANI FILHO, Luiz (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2003-12-10)
    In the last decades a spectacular development took place in the construction of dams. Besides making possible the knowledge of the construction technology, there was an expressive development of the concrete technology ...
  • SALLES, Credson de; http://lattes.cnpq.br/3458615215041508 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-07-30)
    The safe and efficient utilization of any dielectric gas asks for the knowledge of its electric behaviour and its physics process. Among all the known dielectric gases the most utilized in the medium and high voltage ...
  • LUDWIG, Karl Heinz; 999 999 999 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2004-03-29)
    The present work describes about strategic administration, specifically the decision process of strategies in a company of the textile industry. It accomplished a study of theories about different points of view and ...
  • CALAZANS, Adolpho Eugenio de Andrade Lima; http://lattes.cnpq.br/7133946268765182 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-08-19)
    Nowadays the Static VAr Compensators is a equipment essentially important for the electric power system. The rapid development technologic has offered the Static VAr Compensators (SVC) as solution to a number of problems ...
  • PORTELINHA, Márcio Alexandre; http://lattes.cnpq.br/5623956966359792 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2004-03-29)
    This study presents a positive contribution to develop strategies in supply chain management. The concepts of Balanced Scorecard (BSC), proposed for Kaplan and Norton, are applied to construct the strategic map for the ...
  • SOLÓRZANO, Karina Matilde Laurido (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-07-30)
    Outsourcing of Brazilian industrial park has resulted in the proliferation of small size companies fed in medium voltage levels. These companies have generally nonlinear loads, especially alternate current to direct ...
  • MACHADO, Paulo Donizete Pereira; http://lattes.cnpq.br/1297979024423922 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2022-12-13)
    The Real Jacobian Conjecture in the plane says that a polynomial map of the plane in the plane with non-zero Jacobian is one-to-one. We know that this conjecture is false in general. But, it is of great interest to nd ...
  • MIRANDA, Renata Pinto Ribeiro; http://lattes.cnpq.br/4760599432041710 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2022-11-25)
    Intensive care units are highly complex environments, given the need for care and monitoring of critically ill patients. In order to ensure survival and quality of care, bedside monitoring by medical devices is crucial to ...
  • BARBÊDO, Simone Angélica Del-Ducca; http://lattes.cnpq.br/4549347917685626 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2004-04-26)
    The globalization of the economy and, consequently, the increase of competitiveness among companies define quality as an essential factor to maintain the organization in the market. The services sector, which has been ...