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Itens para a visualização no momento 141-150 of 215
Modelagem para gestão de riscos organizacionais em empresas de base tecnológica
(Universidade Federal de Santa Maria, 2018-01-12)
The advancement of technology over the last few years instigated the creation of sev-eral enterprises around the world, encouraging the emergence of technological incu-bators that started to provide space, infrastructure, ...
Análise de perdas do efeito corona em linhas de transmissão de 230 kV no cenário brasileiro
(Universidade Federal de Santa Maria, 2018-12-14)
The present work was developed with the objective of understanding the impact of the corona effect on the Brazilian electrical system. For this purpose, the documents of the PET - Transmission Expansion Program of the EPE ...
Metodologia para análise e ajuste da seletividade de dispositivos de proteção em situações de contingência
(Universidade Federal de Santa Maria, 2018-08-23)
The concept of Smart Grid (SG) modified the way of operation and planning of electrical systems, encouraging automation, distributed generation, among others. As a result of this new system design, a series of applications ...
Proposta de estruturação de um banco de dados e de critérios de priorização para manutenção do sistema viário urbano – SGPU: estudo de caso de Santa Maria - RS
(Universidade Federal de Santa Maria, 2018-11-13)
Due to poor conditions in the asphaltic pavements of the municipality of Santa MariaRS and discontent of population with this situation, the municipal prefecture has shown
interest in developing and, in the future, to ...
Viabilidade econômica de microgeradores eólicos para a reitoria da Universidade Federal de Santa Maria
(Universidade Federal de Santa Maria, 2018)
Wind energy is increasingly used for the cleaner generation of electricity because it is a renewable and abundant source. In this context, the research problem of this work is based on the question: is there technical and ...
Viabilidade econômica do carro próprio em relação ao Uber
(Universidade Federal de Santa Maria, 2018)
E-hailing services are constantly growing throughout the world, providing practicality, reliability and
economic attractiveness for both users and drivers. In this context the Uber transport application
started operating ...
Controlador digital multi-amostras PID e V2 COT híbrido para regulador buck síncrono
(Universidade Federal de Santa Maria, 2018-02-23)
This work presents a hybrid digital control method for a point-of-load synchronous buck
converter implemented in a digital signal processor, seeking to achieve high efficiency in light
loads and good transitory responses. ...
Desenvolvimento de um carregador de baterias para bicicleta elétrica
(Universidade Federal de Santa Maria, 2018-12-10)
This work aims to present the development of a battery charger for use in E-Bike. In this work, the load controller LTC4000 was used, which is an integrated circuit developed for use in battery chargers. The work shows the ...
Avaliação do desempenho do revestimento cerâmico aplicado em diferentes substratos
(Universidade Federal de Santa Maria, 2018-03-26)
This study evaluated the ceramic tiling in three distinct aspects, impermeabilty to water, water vapor permeability and tensile adhsion strength. For this study, four boxes in concrete structural blocks were built, and ...
Viabilidade de aplicação de sistema solar passivo de aquecimento de ar através de ganho isolado de calor para a zona bioclimática 2 brasileira
(Universidade Federal de Santa Maria, 2018-08-29)
The passive solar system by isolated heat gain is characterized by collecting and storing solar radiation in thermally isolated spaces, the solar collectors. The heat flow occurs by convection of the air. The main objective ...