Buscar
Itens para a visualização no momento 2071-2080 of 3386
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 ...
Divisor de potência banda larga 1:8 com distribuição gaussiana em stripline semi-suspensa
(2022-06-08)
This Final Graduation Project presents the design of a 1:8 asymmetrical power divider, with Gaussian distribution, operating in the Wi-Fi 6 frequency range. The proposed solution is based on multiple cascaded T-junctions, ...
Antena corneta cônica quad-ridged compacta com dupla polarização
(Universidade Federal de Santa Maria, 2022-06-08)
This work presents the design and development of a compact dual-pol quad-ridge conical horn
antenna. The antenna is feeded through an innovative feeding system, based on striplines implemented in a Flexible Printed Circuit ...
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 ...
Implementação de uma metodologia para classificação de imagética motora em módulo Orange Pi Zero
(Universidade Federal de Santa Maria, 2017-12-15)
Various people around the world live with some form of physical disability. For this part
of the population that has some motor deficiency, can communicate or perform tasks that
are impossible to perform is of utmost ...
Otimização de parâmetros de uma rede LoRa através de algoritmos genéticos
(Universidade Federal de Santa Maria, 2017-12-13)
The LoRa technology stands out for allowing the connection of a large number of devices
allocated several kilometers away from the base station, with low energy consumption
and maintenance costs. To do so, each device ...