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Deformações e modo de ruptura em prismas de blocos de concreto: análise experimental com extensometria e correlação de imagem
(Universidade Federal de Santa Maria, 2019-12-06)
Evaluating deformations that constituent materials of structural masonry suffer has been the focus of researchers around the world. Structural masonry is a structural system that has a behavior difficult to predict because ...
Avaliação da angularidade de agregados miúdos de diferentes litologias para uso em pavimentação
(Universidade Federal de Santa Maria, 2019-08-30)
Aggregates are of great importance in the composition of asphalt concrete mixtures (AC) occupying a volume between 80 and 90% of the total volume, where angularity interferes with the performance of asphalt coatings. This ...
Construção de modelos matemáticos para processos fermentativos – avaliação de efeitos das condições de cultivo
(Universidade Federal de Santa Maria, 2019-10-04)
The mathematical modeling of fermentative processes is presented as a tool for improving and understanding of such processes, which has the main objective to predict predicting the dynamics of the process. Besides, the ...
Classificação de eventos em monitoramento NILM de cargas elétricas residenciais utilizando rede neural convolucional
(Universidade Federal de Santa Maria, 2019-10-22)
In the context of the expected advances with the implementation of Smart Grids, enabling the modernization of the electricity billing system and making the management of residential electric power systems attractive, the ...
Metodologia para previsão de carga no horizonte de curto prazo utilizando redes neurais
(Universidade Federal de Santa Maria, 2019-08-28)
Competitiveness and the insertion of new technologies in the electricity sector now condition companies
to find ways to improve the quality of their services and ensure profitability. The short-term load
forecasting ...
Metodologia de controle Volt/Var coordenado para redes de distribuição a partir de lógica heurística
(Universidade Federal de Santa Maria, 2019-10-31)
The reactive power management and voltage control enable voltage profile
improvements. Maintain the voltage value within the appropriate ranges requires efficient
techniques that consider joint and coordinated operation ...
Conversores híbridos aplicados a audio: estudo comparativo com amplificadores classe D
(Universidade Federal de Santa Maria, 2019-09-13)
The convergence of knowledge related to mechanics, electronics and music has resulted in the development of a series of audio devices. Initially, signal amplifiers were developed working in linear region. Due to the ...
Conversor buck chaveado-linear: estudo e desenvolvimento
(Universidade Federal de Santa Maria, 2019-07-31)
In this dissertation is presented a voltage source converter consisting of a Buck converter and a linear amplifier connected in parallel. This configuration is called as a Switched-Linear converter and the main feature of ...
Análise de irradiação solar em um campus universitário no sul do Brasil
(Universidade Federal de Santa Maria, 2019-11-11)
This research aims to evaluate the behavior of solar irradiation by geographic information system (GIS) on the campus of the Federal University of Santa Maria, in the city of Santa Maria, south of Brazil. In order to ...
Avaliação de propriedades físico-mecânicas de concretos com fíler calcário, em altos teores, cinza de casca de arroz e ativadores
(Universidade Federal de Santa Maria, 2019-11-06)
Construction is one of the largest sectors of the economy by virtue of meeting basic demands. The main material the construction activities is Portland cement. It is known that its substitution by mineral additions provides ...