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Modulação vetorial otimizada para o conversor packed U-cell
(Universidade Federal de Santa Maria, 2020-09-24)
This master’s dissertation proposes space vector modulation strategies for the Five-Levels Packed
U-Cell converter with optimization on the commutation number and balance of the floating
capacitors by use a cost function. ...
Contribuições ao projeto de controladores robustos a variações paramétricas aplicados a conversores conectados à rede
(Universidade Federal de Santa Maria, 2021-05-12)
This Ph.D. thesis provides contributions to the design of robust current controllers
for grid-connected converters, including: i) a time-varying model to deal with the
magnetic soft saturation in the filter inductors and ...
Abordagem de conversores ressonantes classe e quadrático com aplicação de PSO
(Universidade Federal de Santa Maria, 2021-05-21)
This dissertation presents the application of the particle swarm optimization algorithm (PSO) to obtain design parameters for the inverting step of a quadratic Class E converter. This converter can be designed by modeling ...
Método heurístico para otimização do dimensionamento de uma microrrede de energia
(Universidade Federal de Santa Maria, 2021-02-12)
Microgrids are defined as a part of the energy distribution system, capable of operating
connected to the main network or isolated, presenting an energy generation and
storage system. It is extremely important to carry ...
Comparação de controladores pids robustos otimizados para conversores CC-CC
(Universidade Federal de Santa Maria, 2021-12-17)
This master thesis presents a comparison between two alternatives for the design of optimized
robust proportional-integral-derivative (PID) controllers, with fixed control gains,
computed offline, suitable for application ...
Metodologia para gerenciamento de sistemas de armazenamento com baterias e operação flexível em tempo real para suporte a instalações com geração distribuída
(Universidade Federal de Santa Maria, 2021-08-18)
This dissertation presents a management methodology applied to battery energy
storage systems connected to electric vehicle charging stations supported by distributed
generation. The study is divided in three main parts: ...
Aplicação de um método de otimização no projeto de fornos para tratamento térmico
(Universidade Federal de Santa Maria, 2020-07-13)
The design of a heat treatment furnace can be carried out by trial and error method. However, this practice can lead to inaccurate results, as well as warping and cracking on the
surfaces of materials to be heat treated. ...
Efeitos no consumo de combustível e emissão de poluentes pelo uso de altitude variável durante o voo de cruzeiro
(Universidade Federal de Santa Maria, 2020-09-18)
The growth in air traffic, especially on low-cost flight, combined with the increase in oil prices
and the growing concern with environmental impacts, increase the aeronautical sector
research for ways to reduce fuel ...
Otimização topológica de aerofólios utilizando algoritmo evolucionário bidirecional
(Universidade Federal de Santa Maria, 2021-02-10)
In this work it is presented the topological optimization of an airfoil considering compliance and
stress minimizations subjected to a volume constraint using bidirectional evolutionary structural
optimization (BESO) ...
Aplicação de um método de otimização no projeto de fornos para tratamento térmico
(Universidade Federal de Santa Maria, 2020-07-13)
The design of a heat treatment furnace can be carried out by trial and error method. However, this practice can lead to inaccurate results, as well as warping and cracking on the surfaces of materials to be heat treated. ...