Buscar
Itens para a visualização no momento 581-590 of 2993
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. ...
Um framework para distribuição, gerenciamento e renderização de vegetação em cenários virtuais massivos em tempo real
(Universidade Federal de Santa Maria, 2020-08-19)
Vegetation is one of the leading graphic elements in virtual environments, as it integrates
the vast majority of natural landscapes. As a result, to maximize the immersion of its users,
several applications need to ...
Conversor ANPC com porta CC bidirecional secundária para conexão de sistemas de armazenamento de energia
(Universidade Federal de Santa Maria, 2020-11-06)
This doctoral dissertation presents a new multilevel converter topology, derived from the ANPC inverter, which allows the connection of energy storage systems directly to the topology in a secondary DC port. In this way, ...
Secagem da madeira de Eucalyptus grandis utilizando diferentes processos e impregnação de nanopartículas de prata
(Universidade Federal de Santa Maria, 2021-02-26)
Today there is an exponential growth in the use of Eucalyptus wood in the timber
industries, mainly in products with higher added value, such as furniture and
floors. In view of its importance in the forestry industry ...
Análise da eficácia luminosa de sistemas de iluminação com comunicação agregada
(Universidade Federal de Santa Maria, 2020-10-09)
Visible light communication (VLC) currently receives attention in the consumer electronics
media mainly because of the potential to improve the data rate of Internet access in short
range mobile communications, yet several ...
Metodologia de detecção e classificação de faltas de alta impedância em redes de distribuição: implementação em hardware e validação por meio de simulação digital em tempo real
(Universidade Federal de Santa Maria, 2020-09-28)
The present work deals with the detection of high impedance faults (HIF) in Electricity
Distribution Networks. An in-depth study is carried out on this type of fault, as well as on some
important HIF detection methods. ...
Sistema de telegestão para iluminação pública usando comunicação LoRaWAN
(Universidade Federal de Santa Maria, 2020-12-18)
The advance of technology in Lighting Systems had an important moment with the insertion of LEDs, as it significantly increased the efficiency of all systems. Allied to this growth,
there is also the growth of the so-called ...
Metodologia para cálculo da temperatura de cor e fluxo luminoso de um ou mais LEDs baseada apenas em dados do fabricante
(Universidade Federal de Santa Maria, 2020-08-24)
This work presents a methodology to estimate the correlated color temperature and the luminous flux of light sources composed of one or more white LEDs using only data from the manufacturer's specification sheet. The ...
Um processo de suporte e tomada de decisão no tratamento de incidentes de segurança
(Universidade Federal de Santa Maria, 2020-11-27)
Many organizations maintain an incident response team to mitigate the damage caused by incidents
and immediately restore digital services. However, few of them learn from past experiences
in a systematic way that allows ...
Mitigando o impacto da comunicação no consumo de energia e área em chip pela utilização de uma infraestrutura de comunicação híbrida em sistemas multiprocessados
(Universidade Federal de Santa Maria, 2020-08-13)
The increasing integration of many processing elements inside the same die has been raising
the need to create efficient communication infrastructures. Different structures have
been exploited to interconnect those ...