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Itens para a visualização no momento 1291-1300 of 1304
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 ...
Processamento da amêndoa do Butiá (Butia odorata) por tecnologias sustentáveis e integradas para extração de óleo e hidrólise do coproduto sólido
(Universidade Federal de Santa Maria, 2024-02-26)
Palms of the Arecaceae family in 2019 already represented 41.43% of vegetable oil
source in the world and, currently, butia is available in vast areas of the southern
regions of Brazil to partially supply this demand. ...
Fitorremediação em associação com o uso de biossólido em solo impactado por rejeito de mineração de cobre
(Universidade Federal de Santa Maria, 2023-12-19)
In Brazil, mining activity is the main source of copper (Cu) soil contamination. In Rio Grande
do Sul, Cu mining activities have occurred for over a century in the Minas do Camaquã
region, leaving an extensive area ...
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. ...
Britas graduadas simples: influência da litologia, estrutura interna e umidade na deformabilidade
(Universidade Federal de Santa Maria, 2024-03-06)
The granular base of asphalt pavements has a dual function of providing support for the surface layer and for allowing the water to exit from the structure. This layer suffers the effects of flooding, due to precipitation ...
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 ...
Metodologia de projeto otimizado de filtros de entrada e saída de fontes ininterruptas de energia: volume, perdas e tempo de vida
(Universidade Federal de Santa Maria, 2024-02-20)
In this work are developed design methodologies for LCL and LC filters, considering
their impact on the entire system. The proposed methodology seeks, through a parametric
sweep, to obtain the optimal design points for ...
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 ...
Desenvolvimento de materiais carbonados dopados com nitrogênio para aplicação em processos adsortivos e catalíticos
(Universidade Federal de Santa Maria, 2024-02-22)
Nitrogen doping (N-doping) has been widely applied in materials synthesized under controlled
conditions. However, its impact remains unclear when employed in converting various residues
into cost-effective and efficient ...