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Análise da influência da variação de temperatura no desempenho de pavimentos asfálticos à fadiga a partir da modelagem viscoelástica
(Universidade Federal de Santa Maria, 2021-08-12)
Brazilian highways have a great deficiency in regards to its use conditions and one of the main pathologies observed is fatigue cracking. One of the most influential factors in pavement fatigue performance is temperature. ...
Sistema híbrido solar e geotérmico para aquecimento de água e condicionamento térmico
(Universidade Federal de Santa Maria, 2021-08-27)
The main goal of this work was to develop and evaluate a hybrid system for water heating and environmental thermal conditions. The project was divided in three subsystems: the first one consists of a set of brises plates ...
Decisão multicritério aplicada à otimização da envoltória de edificações residenciais de energia zero no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2021-08-09)
The design and construction of Zero Energy Buildings can help reduce global energy consumption and, consequently, minimize environmental impacts. To design an energy-efficient building it is possible to use computational ...
Monitoramento e modelagem hidrológica de pavimentos permeáveis em solos subtropicais
(Universidade Federal de Santa Maria, 2021-09-03)
Low Impact Development (LID) techniques have been applied for their numerous benefits in mitigating the impacts of increasing urbanization. Among them are the permeable pavements that reduce volumes and improve the quality ...
Construção de um sistema em fluxo contínuo para a extração de cromo de resíduos de couro curtido assistida por ultrassom
(Universidade Federal de Santa Maria, 2021-02-11)
In this work, a continuous flow extraction system was developed, characterized and evaluated for the removal of Cr from tanned leather residues, using EDTA as extractor. The system was developed mostly using the 3D printing ...
Multi-objective design tool for optimizing capacitor selection in power converters based on the mission profile
(Universidade Federal de Santa Maria, 2019-09-13)
Sistemas de eletrônica de potência eficientes e confiáveis a longo prazo são um dos próximos grandes
desafios no setor de energia. A eficiência e a confiabilidade do conversor de potência são elementoschave
para expandir ...
Contribuições ao projeto de controladores robustos a variações paramétricas aplicados a conversores conectados à rede
(Universidade Federal de Santa Maria, 2021-05-12)
This Ph.D. thesis provides contributions to the design of robust current controllers
for grid-connected converters, including: i) a time-varying model to deal with the
magnetic soft saturation in the filter inductors and ...
Procedimento de projeto de controladores robustos para conversores de potência por meio de otimização por enxame de partículas
(Universidade Federal de Santa Maria, 2020-02-18)
This master thesis provides as contribution a design procedure, based on particle
swarm optimization and Kharitonov’s Theorem, to obtain fixed gains for robust controllers
for power converters with parametric uncertainties. ...
Desenvolvimento de uma estação de carregamento rápido com elemento armazenador de energia para veículos elétricos
(Universidade Federal de Santa Maria, 2017-08-04)
Concerns about climate change have increased the search for more efficient means
of transportation with reduced greenhouse gases emissions. A likely solution deal with
emissions is through hybrid and purely electric ...
Aplicação de LEDs na microscopia óptica ao diagnóstico da malária
(Universidade Federal de Santa Maria, 2016-07-29)
This work presents a study on the application of LED (Light Emitting Diode) to optical microscopy
in the diagnosis of malaria, in order to analyze the light emitted by the LED and
compare with the light produced by a ...