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Desenvolvimento de uma ferramenta semi-automática para diagnóstico de plasmas frios aplicados à indústria de semicondutores
(Universidade Federal de São Carlos, 2023-06-23)
Technological applications involving plasma processing steps are quite common. With no doubt, the semiconductor industry has a relevant impact on the daily life of contemporary society. The manufacture of integrated circuits ...
Identificação de atividades cotidianas com membros superiores através de sensores inerciais
(Universidade Federal de São Carlos, 2023-07-21)
In this work, the development of data processing strategies and methodologies for identifying 7 everyday activities performed with the upper limbs was proposed, with the support of inertial sensors and machine learning ...
Análise de um conversor fonte de tensão a quatro fios com corrente de neutro gerada por cargas desequilibradas
(Universidade Federal de São Carlos, 2022-02-24)
Several studies have examined the reduction of carbon dioxide emissions into the
atmosphere. The use of sustainable energy sources, such as solar and wind power, is focused by some of these studies. The Voltage Source ...
High integrated battery monitoring system with active balancing up to ±10A
(Universidade Federal de São Carlos, 2022-02-22)
This master's thesis describes the development, construction, and setup of a flexible and modular, highly integrated battery monitoring system. The electronic unit uses an active balancing process with currents up to ±10A ...
Análise, modelagem e controle de um conversor CC-CC, não isolado, elevador entrelaçado - abaixador, para conexão de sistemas fotovoltaicos na rede monofásica
(Universidade Federal de São Carlos, 2021-05-31)
The increasing incorporation of alternative energy sources into the electrical system,
despite its advantages, raises a wide range of new challenges, and it is in this context that
power electronics devices start to play ...
Proposta da utilização de uma fibra de núcleo oco anti-ressonante para detecção simultânea de metano, monóxido de carbono e monóxido de nitrogênio
(Universidade Federal de São Carlos, 2022-03-11)
Hollow-Core Anti-Resonant Optical Fibers (AR-HCF) is a novel hollow-core fiber with a low refractive index in the core and a high refractive index in the cladding. Unlike conventional solid-core optical fibers, where light ...
Construção de reator de plasma frio para aplicações de filmes finos
(Universidade Federal de São Carlos, 2022-03-04)
It is about the construction of a sputtering system, through the use of a cold plasma reactor, for the deposition of metallic thin films. Basically, this system works by ejecting atoms from a material (target) by the ...
Estudo do conversor cc-ca a quatro fios com capacitor dividido conectado à rede com desequilíbrio de carga
(Universidade Federal de São Carlos, 2021-06-16)
The three-phase dc-ac converters based on power electronics are the main equipment used to connect renewable sources to the electricity distribution system. The three-phase four-wire distribution system with voltage unbalance ...
Sistema óptico de projeção a laser para análise da superfície das pregas vocais em imagens laringoscópicas
(Universidade Federal de São Carlos, 2021-09-17)
When understanding the acoustic production of the human voice and its dysphonia, factors such as characteristics and dimensions of the vocal folds are relevant. Previous studies show that images of the glottic surface, ...