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Itens para a visualização no momento 1791-1800 of 1800
Hidrólise com água subcrítica da casca de soja catalisada por WO3/ZrO2 para conversão de açúcares em plataformas químicas
(Universidade Federal de Santa Maria, 2022-09-22)
Millions tons of soybean husk are annually produced in Brazil, a lignocellulosic residue
which have potential to be utilized as feedstock in the production of sugars (Glucose,
Cellobiose, Xylose and Arabinose) and, ...
Caracterização dos processos hidromorfológicos em uma região de variação abrupta de relevo
(Universidade Federal de Santa Maria, 2024-02-02)
The step-pool configuration represents the characteristic bed morphology dominating channels
in mountainous regions, exerting control over the flow and sediment dynamics of downstream
rivers. Changes in land use and the ...
Abordagens de machine learning aplicadas à manutenção preditiva industrial para a detecção de falhas
(Universidade Federal de Santa Maria, 2024-03-11)
Artificial intelligence (AI) approaches in predictive maintenance (PdM) are reshaping how industries manage equipment maintenance. With AI techniques such as machine learning (ML) and real-time data analysis, it is possible ...
Metodologia para predição da autoextinção de arcos elétricos C.C. série em sistemas fotovoltaicos com conversores de potência
(Universidade Federal de Santa Maria, 2024-02-23)
This study proposes a methodology to predict the self-extinction of electric arcs occurring
in the series circuit between modules and power converters in photovoltaic systems, considering
the influence of control strategies ...
Produção de nanofibras compostas de CuO para remoção de chumbo (II) de soluções aquosas
(Universidade Federal de Santa Maria, 2024-02-23)
Water contamination by heavy metals such as lead is a major concern due to the potential health hazards associated with exposure to this metal. In this context, the main objective of this study was the development of ...
Acionamento e controle de movimentos de uma prótese mioelétrica de mão
(Universidade Federal de Santa Maria, 2024-01-18)
This thesis presents the steps for constructing a low-cost, open-source robotic prosthetic
hand controlled by artificial intelligence (AI) and driven by servomotors, aimed at the social
inclusion and labor market ...
Estudo e desenvolvimento de um módulo auxiliar de potência aplicado a veículos elétricos
(Universidade Federal de Santa Maria, 2024-02-23)
The APM is a DC-DC converter that is vitally important in an electric vehicle as
it feeds the low voltage battery from the high voltage batteries (traction batteries, which
commonly operate in the 400 V range) of the ...
Análise da rigidez de misturas recicladas a frio estabilizadas com emulsão e incorporação de cimento ou cal
(Universidade Federal de Santa Maria, 2023-12-11)
Economic and demographic growth is strictly linked to road infrastructure, due to the
majority of commercial and leisure transport using roads. As a result, road
pavements require maintenance and structural development. ...
Modelo de previsão para o módulo de deformação estático de concretos de cimento Portland produzidos na cidade de Santa Maria - RS
(Universidade Federal de Santa Maria, 2024-02-15)
The concrete deformation modulus is a crucial mechanical property used in structural design and serviceability limit state checks for structures. Although NBR 6118 (ABNT, 2023) currently standardizes equations to predict ...
Análise de desempenho de comunicação via rede LoRa para medição de energia elétrica em área urbana
(Universidade Federal de Santa Maria, 2024-02-16)
Recently, implementations of advanced metering systems for electricity have been verified
worldwide, enabling the generation of coverage models for long-range communication. Monitoring
the distribution of electric power ...