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Avaliação de alternativas para geração de energia elétrica a partir de resíduos sólidos urbanos
(Universidade Federal de Santa Maria, 2019-11-25)
Solid waste management is a major problem in most developing countries, as MSW generation is gradual and is associated with intense industrial activity and population growth. The decomposition of organic matter promotes ...
Modelo para auxiliar a tomada de decisão dos processos de compra e beneficiamento em um engenho de arroz
(Universidade Federal de Santa Maria, 2021-10-25)
This work proposes a characterisation of the production system of a company in the rice processing
industry, in addition to the inclusion of mathematical models to support decisions on
the purchase of inputs and preparation ...
O impacto da poluição do ar na mortalidade por doença pulmonar obstrutiva crônica e câncer pulmonar
(Universidade Federal de Santa Maria, 2021-03-01)
The air pollution impacts have been evidenced over the years in years from anywhere on the entire planet, either by catastrophic events or simply by their presence in the atmosphere. Exposure due to the amount of pollutants ...
Elaboração e implementação de processos com base em métodos quantitativos, para auxiliar na tomada de decisão e gerenciamento de risco na montagem de carteiras de investimentos.
(Universidade Federal de Santa Maria, 2020-08-13)
This study applies quantitative methods in statistical arbitrage operations applied in the
financial market. The kind of operations involved in this study are pair trading long and short.
This method of arbitration is ...
Hidrólise com água subcrítica do bagaço de sorgo sacarino (Sorghum Bicolor L. Moench) pré-tratado com o líquido iônico [Bmim]Cl visando a obtenção de bioprodutos e açúcares
(Universidade Federal de Santa Maria, 2021-10-22)
In this research, the saccharine sorghum bagasse was submitted to a pre-treatment
with an ionic liquid, 1-butyl-3-methylimidazolium [Bmim] Cl in order to evaluate the
effect on the undissolved solid after the pre-treatment ...
Uma abordagem para atestar a suportabilidade dielétrica a formas de onda não padronizadas nos ensaios de equipamentos de alta tensão
(Universidade Federal de Santa Maria, 2021-08-31)
The non-standard waveforms caused by high frequency transients pose a challenge when it comes to their representation in testing high-voltage equipment. Such a challenge is worrisome for electric power utilities and ...
Metodologia de ensaios dielétricos para sistemas de isolação sólido-líquido aplicados a transformadores de potência
(Universidade Federal de Santa Maria, 2021-11-30)
This master thesis presents contributions to the field of dielectric tests for solidliquid
insulation systems applied to power transformers. It is intended that this methodology
serves as a reference guide to obtain ...
Um controlador adaptativo robusto por modelo de referência e Super-Twisting Sliding Mode aplicado na regulação de corrente de conversores conectados à rede com filtro LCL
(Universidade Federal de Santa Maria, 2021-12-03)
This thesis presents the development of an RMRAC-STSM control structure, composed
by a robust model reference adaptive controller (RMRAC) along with an adaptive Super-
Twisting Sliding Mode (STSM) controller. A continuous ...
Projeto conceitual de um veículo elétrico de pequeno porte para o transporte urbano individual
(Universidade Federal de Santa Maria, 2021-09-23)
Mobility is part of the daily life of a large part of the population, especially those living in urban centers. This use makes this sector one of the main emitters of pollutants, in addition to consuming other fossil ...
Análise e projeto do reator eletrônico auto-oscilante para reconhecimento de lâmpadas fluorescentes
(Universidade Federal de Santa Maria, 2014-07-14)
This work presents the analysis and design of the self-oscillating electronic ballast to fluorescent lamps detection. The electronic ballast must be able to detect and run lamps with different power ratings, according to ...