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Controle robusto baseado em desigualdades matriciais lineares aplicado a inversores conectados à rede elétrica
(Universidade Federal de Santa Maria, 2015-04-24)
This work provides as a main contribution a procedure to design robust state feedback
current controllers applied to inverters connected to the grid by means of LCL filters,
providing results which comply with performance ...
Desenvolvimento de uma família de reatores eletrônicos para lâmpadas fluorescentes sem eletrodos empregando a técnica de integração de conversores
(Universidade Federal de Santa Maria, 2012-11-30)
This paper presents the design and development of an electronic ballasts family
obtained through the use of the integration technique of converters for feeding the
electrodeless fluorescents lamps (EFL). This type of lamp ...
Novo conversor CC-CC integrado full-bridge-forward aplicado a uma microrrede residencial
(Universidade Federal de Santa Maria, 2013-02-07)
This Ph.D. Dissertation focuses on the proposal of a novel converter topology applied
to the connection of an energy storage system, composed of a supercapacitor bank and a
battery bank, to the dc bus of a residential ...
Projeto de conversores estáticos fazendo uso de uma metodologia de minimização de volume/perdas/custo
(Universidade Federal de Santa Maria, 2013-08-29)
This thesis presents a new optimization design methodology for power electronics
converters with volume, cost and efficiency objectives. The optimization methodology,
achieved by mathematical interactions, is based on the ...
Controle adaptativo robusto de estrutura variável por modelo de referência aplicado a filtros ativos de potência
(Universidade Federal de Santa Maria, 2010-08-27)
This works presents a Robust Variable Structure Model Reference Adaptive Control scheme denoted VS RMRAC. In this adaptive control strategy, each parameter of the control law is obtained by the sum of two other adaptive ...
Contribuição ao estudo do gerador de indução duplamente alimentado: operação durante distúrbios na rede elétrica
(Universidade Federal de Santa Maria, 2010-08-30)
The Doubly Fed Induction Generator (DFIG) is one of the most frequently deployed large grid connected Wind Turbines (WT) concept. The implementation of classical
vector control techniques, have been proven to work well for ...
Dinâmica da vegetação em remanescente de floresta estacional subtropical
(Universidade Federal de Santa Maria, 2012-01-12)
The aim of this work was to study vegetation groupings and their dynamics in
remnant of Subtropical Seasonal Forest, of nearly 560 ha, located at the Instruction
Field of Santa Maria, in Santa Maria municipality, RS. In ...
Transparência e controle social na administração pública a construção do acesso à informação no município de Camargo/RS
(Universidade Federal de Santa Maria, 2014-08-22)
It is related to the Law on Access to Information, especially, in the city of Camargo/RS as a way to execute the transparency and social control in the public management. It was analyzed the right of access to information ...
A judicialização das políticas públicas de saúde no município de Marau - RS
(Universidade Federal de Santa Maria, 2014-08-22)
This paper presents the judicialization of public health politics in the city of Marau and
studies concrete cases involving juridical actions. With the advancement of the Federal
Constitution in 1988, the Brazilian society ...
Construções colaborativas em rede no PIBID UFSM Teatro: estratégias na iniciação à docência
(Universidade Federal de Santa Maria, 2014-08-25)
This article addresses the Information Technology and Communication (ICT) support as a mediator in the development of collaborative constructions of Fellows PIBID UFSM Theatre activities. Looking for to investigate the ...