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Itens para a visualização no momento 221-230 of 256
Estudo do protocolo LoRaWAN e implementação de uma rede privada com nós distribuídos
(Universidade Federal de Santa Maria, 2017)
The present work shows a general study on LoRaWAN, a long-range, low-energy protocol
developed for the Internet of Things. Its main characteristics, differences to other
protocols commonly used in the area, network ...
Identificação da condição de sono a partir de características extraídas de sinais de EEG utilizando um módulo Orange Pi Zero
(Universidade Federal de Santa Maria, 2017-12-15)
This work in progress reports the first results of a project which purpose is the implementation
of a microprocessed system for the detection of fatigue, or state of drowsiness, from
electroencephalogram (EEG) signals. ...
Colaboração do processo de validação de hipóteses pela metodologia Lean Startup com clientes adotantes iniciais de um MVP
(Universidade Federal de Santa Maria, 2017-11-28)
With the exponential progress and development of new technologies from the 2000s, many people with entrepreneurial spirit, developed new ideas of services and products, founding startups with uncertainty in the competitive ...
Projeto de um retificador controlado aplicado a uma fonte ininterrupta de energia de dupla conversão monofásica sem transformador
(Universidade Federal de Santa Maria, 2017-12-11)
This work proposes a half-bridge rectifier, digitally Controlled, as the input stage of a
single conversion, single-phase, transformerless UPS. The purpose is to maintain the rectifier
and the DC discharge service, also ...
Kit didático para o ensino de eletrônica de potência e controle digital de sistemas
(Universidade Federal de Santa Maria, 2017-07-14)
This report does a brief introduction on engineering education methods, which concludes that experimental classes are more effective ways of eaching, because it allows the application of the knowledge obtained in classes ...
Conversor boost para rastreamento do ponto de máxima potência de um gerador síncrono de imãs permanentes empregado em geração eólica
(Universidade Federal de Santa Maria, 2017-08-15)
This work explores the actual need of renewable energy generation through the development of a boost converter to extract the maximum power of a permanent stator magnet wind generator (PSMG) isolated from the grid. Such ...
Projeto e implementação de um conversor cc-cc elevador de tensão para uma bancada didática de eletrônica de potência e controle digital de sistemas.
(Universidade Federal de Santa Maria, 2017-08-11)
The main purpose of this report is the development of a DC-DC step-up, also known as a boost converter, which will compose a didactic workbench that will aid in the teaching of Power Electronics. Through a market research ...
Projeto e implementação de um conversor CC-CC elevador-rebaixador de tensão para uma bancada didática de eletrônica de potência e controle digital de sistemas
(Universidade Federal de Santa Maria, 2017-08-10)
The present report describes the design and construction of a low-cost and low-size DC-DC step-up-down converter (also known as buck-boost converter) for a didactic bench that can be used in the experimental classes of the ...
Projeto e implementação de um retificador controlado a tiristor para bancada didática de eletrônica de potência
(Universidade Federal de Santa Maria, 2017-12-20)
This work consists in designing and implementing a thyristor controlled rectifier for teaching Power Electronics. A study has been conducted of commercial solutions present in the market, which have deficiencies in relation ...
Conversor Boost para rastreamento do ponto de máxima potência de um gerador síncrono de imãs permanentes empregado em geração eólica
(Universidade Federal de Santa Maria, 2017-07-14)
This work explores the actual need of renewable energy generation through the development of a boost converter to extract the maximum power of a permanent stator magnet wind generator (PSMG) isolated from the grid. Such ...