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Produção de etanol 2G e biogás utilizando resíduos da cultura da soja
(Universidade Federal de Santa Maria, 2021-04-08)
Lignocellulosic biomass residues are an alternative to the second-generation ethanol (2G) and biogas production, due to their chemical composition (cellulose, hemicelluloses, and lignin), because it is a renewable resource, ...
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 ...
Síntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidina
(Universidade Federal de Santa Maria, 2020-11-06)
Organochalcogen compounds have been the subject of several studies regarding their
biological potential in various applications, such as antitumor, antiviral, anti-inflammatory, and
antioxidant. Regarding the last, we ...
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 ...
Controle hierárquico e adaptativo para aumento do desempenho operacional de reguladores de tensão em redes elétricas inteligentes
(Universidade Federal de Santa Maria, 2014-03-28)
The evolution of equipment, new functions and control algorithms, supervisory systems, automation and smart grids offer to utilities numerous conditions for improving the voltage profile and the rational use of its equipment ...
Comportamento de um motor de ciclo diesel com diferentes configurações de injeção e misturas de biodiesel
(Universidade Federal de Santa Maria, 2020-03-11)
Diesel cycle engines are widely used to carry out the most diverse agricultural activities in Brazil. They are used from single cylinder engines, with low power demand to large engines that exceed 500 hp. The use of biodiesel ...
Avaliação da atividade tripanocida e da segurança terapêutica de um composto benzofuroxano derivado
(Universidade Federal de Santa Maria, 2020-08-04)
Chagas disease affects more than 8 million people worldwide and is caused by the flagellated protozoan Trypanosoma cruzi, which belongs to the Trypanosomatidae family. This parasite has a heteroxenous biological cycle with ...
O movimento dos sentidos: de utopia à conversão
(Universidade Federal de Santa Maria, 2009-04-27)
The present work tries to understand how the movement of the senses is constituted in the discourse of the founder, of the colonizer and in that of the missionary on the found land and inhabitants. For such we have elected, ...
Pertença profissional, trabalho e sindicalização dos professores: mediações e contradições nos movimentos do capital
(Universidade Federal de Santa Maria, 2016-03-21)
Políticas avaliativas da pós-graduação em educação brasileira: uma hermenêutica do trabalho docente
(Universidade Federal de Santa Maria, 2015-08-17)
This doctoral thesis titled "Evaluation Policies in Brazilian Postgraduate Education: A Hermeneutics of Teaching Work" was developed in the Program of Postgraduate Education (PPGE) of the Federal University of Santa Maria ...