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Sistema eletrônico de alto fator de potência com entrada universal e controle de intensidade luminosa para o acionamento de leds
(Universidade Federal de Santa Maria, 2016-12-23)
This master thesis presents the development of a 100 W LED driver, suitable for outdoor and street lighting. In
order to match the driver and LED features, special functionalities are added to the electronic system. To ...
Concepção e desenvolvimento de um sistema eletrônico baseado em diodos emissores de luz para simulação de espectro
(Universidade Federal de Santa Maria, 2017-07-18)
This master thesis presents the conception and development of a lighting system based on lighting emitting diodes (LEDs) capable of accurately reproducing light spectra. The main motivation of this work is the development ...
Técnica de comunicação por luz visível em um conversor rebaixador para sistemas de iluminação a LED
(Universidade Federal de Santa Maria, 2018-02-27)
This work presents the complete formulation of a synchronous buck converter operating as a
Light Emitting Diode (LED) driver for Visible Light Communication (VLC). It also presentes
a state of the art review on VLC ...
Análise da transferência de ondulação de baixa frequência em drivers de LEDs
(Universidade Federal de Santa Maria, 2019-03-01)
This work presents the analysis of low frequency ripple transmission from the bus voltage to the output current in LED drivers, in the power control stage. The buck, boost and buck-boost converters, operating in discontinuous ...
Análise comparativa entre o conversor BUCK e o conversor ressonante LLC em drivers de leds visando aspectos industriais
(Universidade Federal de Santa Maria, 2019-08-30)
This paper presents a quantitative design analysis, performance prediction and practical testing of buck and half-bridge LLC resonant converters as a solution for a power control stage in the realization of a 180 W driver ...
Metodologia de projeto de um sistema de iluminação suplementar em conjunto com pivô de irrigação para o cultivo da soja
(Universidade Federal de Santa Maria, 2023-06-16)
This work presents a proposed methodology for designing lighting systems for horticulture,
providing a historical context of plant physiology, and examining the influence of solar
irradiation on cultivars in the southern ...