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Modelo de tratamento da informação para a melhoria da qualidade da gestão das pequenas empresas prestadoras de serviços de Santa Maria - RS
(Universidade Federal de Santa Maria, 2006-02-25)
In this work, information technology used in supporting decision making by 48 small companies in the service sector in Santa Maria are listed. Literature research was also done to identify strategies used in this decision ...
Impacto do controle de potência reativa e tensão na detecção de ilhamento em gerações distribuídas
(Universidade Federal de Santa Maria, 2022-08-29)
The growing use of distributed generation create challenges to overcome in distribution
networks. Among these problems are unintentional islanding and voltage profile change by
the insertion of distributed generators. ...
Desenvolvimento de conversores de cinco níveis com capacitor chaveado e grampeamento ativo do ponto neutro
(Universidade Federal de Santa Maria, 2022-06-28)
This work aims to propose a five-level converter topology. The proposed converter
uses the switched capacitor concept with an active neutral point clamped structure, with
one floating capacitor per phase and only one ...
Conversores compostos para o interlink entre os barramentos de baixa e extrabaixa tensão de nanorredes CC
(Universidade Federal de Santa Maria, 2022-07-27)
This thesis presents a study on isolated DC-DC converters for the interface between a
low voltage bus, EBT (48 V), and a low voltage bus, BT (380 V) for a 1.2 kW residential
DC-DC nanogrid. The proposed converter makes ...
Regulação de sistema de geração baseado em gerador de indução autoexcitado empregando gerador síncrono como compensador de reativos
(Universidade Federal de Santa Maria, 2022-08-19)
This master’s thesis presents the development of a Self-excited Induction Generator (SEIG) and
a Synchronous Generator (SG) based generation system, where the SG acts as reactive power
compensator. In the generation ...
Contribuições ao controle adaptativo robusto por modelo de referência
(Universidade Federal de Santa Maria, 2022-09-30)
This work proposes to combine RMRAC (Robust Model Reference Adaptive Control)
control techniques to improve controller performance and ensure system robustness.
Furthermore proposed the development of stability proofs ...
Metodologia para parametrização da função de subtensão utilizada em geradores distribuídos
(Universidade Federal de Santa Maria, 2022-09-02)
One of the main concerns when sizing protection systems in distribution networks with
distributed generation connection is to ensure that islanding of these plants does not
occur. For this, several protection techniques ...
MetImage: uma metodologia para desenvolvimento de software para o processamento e análise de imagens
(Universidade Federal de Santa Maria, 2006-11-24)
The development of image processing and analysis software is a complex task by using mathematical methods to solve problems, by needing multidisciplinary team and demanding high degree of software developed quality. ...
Avaliação dos níveis de ruído em estabelecimentos assistenciais de saúde - estudo de caso
(Universidade Federal de Santa Maria, 2006-12-18)
It has been noticed, at the health Assistance Establishments (EAS), higher and higher levels of noise, causing discomfort, interfering in the patient s rest, sleep and on the activities carried out. It was evaluated, through ...
Documentação da arquitetura de sistemas e frameworks para processamento e análise de imagens: uma abordagem baseada em visões da UML e padrões
(Universidade Federal de Santa Maria, 2007-12-21)
In the documentation of software architecture, it must be considered two relevant points: i) the architecture is composed by several visions, and ii) each vision identifies a set of components and interactions which allows ...