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Itens para a visualização no momento 1401-1410 of 2089
Projeto conceitual e sistema de controle de VANT penta-rotor para aplicações agrícolas
(Universidade Federal de Santa Maria, 2020-02-13)
This work deals with the design of an penta-rotor Unmanned Aerial Vehicle (UAV), covering
the conceptual phase, control project and simulations that allows validating the operation
of the complete system. Such a vehicle ...
Abordagem para priorização de áreas críticas para incidência de interrupções de longa duração em sistema de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2019-08-30)
The reliability improvement of the electricity distribution system is a recurring topic when it
comes to the investments of an electric utility. Directly related to the response of the
operations center, the maintenance ...
Técnicas de mitigação de interferência eletromagnética em equipamentos de iluminação a LED
(Universidade Federal de Santa Maria, 2017-12-22)
This dissertation introduces techniques for mitigation of conducted electromagnetic
interference in lighting equipment using LEDs. This dissertation intends to offer the theoretical
basis necessary for the development ...
Influências de processos hidrológicos no desempenho de um wetland construído de fluxo vertical de fundo saturado
(Universidade Federal de Santa Maria, 2022-02-11)
Hydrological processes that occur in constructed wetland study systems (CWs) are considered difficult to determine and, consequently, there are few on the subject. Evapotranspiration and different local variables in CWs ...
Caracterização à fadiga de misturas asfálticas por compressão diametral e comparação com os resultados do ensaio de tração-compressão
(Universidade Federal de Santa Maria, 2022-06-09)
The study of fatigue performance of asphalt mixtures is of great importance to prevent this distress in road pavements, whose need is highlighted in the current context of Brazilian paving, which begins the implementation ...
Rastreamento do ponto de máxima potência de turbinas magnus acionando geradores elétricos
(Universidade Federal de Santa Maria, 2014-01-24)
The constant human need for electricity, as well as the increasing demand for energy causes the use of finite sources, as oil and coal. The search for alternative energy sources as wind harvesting is the motivation for ...
Um controlador adaptativo robusto aplicado a conversores estáticos conectados à rede elétrica através de filtro LCL
(Universidade Federal de Santa Maria, 2014-08-26)
This Thesis deals with the development of a novel robust model reference adaptive
controller (RMRAC), in discrete-time applied to grid-connected systems using LCL
filter. This controller uses a modified robust parameters ...
Avaliação do desempenho de recursos energético distribuídos conectados à rede sob diferentes condições de impedância de rede
(Universidade Federal de Santa Maria, 2021-12-17)
This work aims to evaluate the performance of Distributed Energy Resources of Grid-Connected Photovoltaic Systems when inserted in different grid impedance conditions. For this purpose, first a brief literature review was ...
LoRaWAN para comunicações de redes elétricas inteligentes em áreas suburbanas e rurais
(Universidade Federal de Santa Maria, 2019-03-18)
The Smart Grid, as a concept of monitored and controlled elements in the generation,
transmission, distribution and use of electric energy, allows efficient and distributed energy
resources to be operated in real time. ...
Logística e qualidade hospitalar: o e-procuremment na prestação de serviços hospitalares Um estudo de caso em um hospital militar do Exército Brasileiro
(Universidade Federal de Santa Maria, 2010-11-29)
The present thesis presents a case study in a Brazilian Army Hospital, involved on health care services, in the medical and hospital field, located in Santa
Maria, RS, which uses the concepts of Supply Chain Management ...