Lighting System
Mostrando 25-36 de 45 artigos, teses e dissertações.
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25. DESIGN OF A WIRELESS SENSOR/ACTUATOR NODE FOR STREET LIGHTING SYSTEM MANAGEMENT / CONCEPÇÃO DE UM NÓ SENSOR/ATUADOR SEM-FIO PARA UMA REDE DE GERENCIAMENTO DE ILUMINAÇÃO PÚBLICA
Neste trabalho, propõem-se modificações nos relés fotoelétricos utilizados nos sistemas de iluminação pública presentes nos municípios brasileiros. Pretende-se, assim, melhorar tais sistemas, de forma a trazer benefícios sociais e econômicos. Em sua maioria, os sistemas de iluminação pública são compostos por lâmpadas de vapor de sódio de al
Publicado em: 2009
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26. Mapeamento de areas de cafe no municipio de Guaxupe/MG por meio de processamento digital de imagens Landsat / Coffee crop areas mapping in mountain relief through Principals Components Analysis
The economic importance of Brazilian coffee growing in the world market is notorious and makes up significant portion of the country s foreign trade exports. Minas Gerais stands out as the core of Brazilian coffee growing, with most of the planting areas (Coffea arabica) concentrated in the south, where it is grown in small plots widely spread throughout the
Publicado em: 2009
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27. Functionality, cognition and depression with institutionalized elderly have suffered falls in the city of Rio Grande/RS. / FUNCIONALIDADE, COGNIÇÃO E DEPRESSÃO EM IDOSOS INSTITUCIONALIZADOS QUE SOFRERAM QUEDAS NA CIDADE DO RIO GRANDE/RS.
The study aimed to: general - to analyze the influence of changes in functionality / cognition and depression in the presence of falls in elderly residents in Homes for the Aged in southern Brazil. Specifics: to identify positive aspects to falls in institutionalized elderly and to describe the profile of the elderly as functional capacity, cognition, depres
Publicado em: 2009
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28. Integração de iluminação natural e artificial: métodos e guia prático para projeto luminotécnico
The efficient use of the lighting in architecture depends upon the study of the daylighting availability and its integration with the electric lighting system. This research concentrates and organizes systematically theoretical bases on lighting design, with special attention to lighting analyses methods. It is based on the bibliographic review of the existe
Publicado em: 2008
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29. Movimentos sob atração focal em campos vetoriais planares / Motions under focal attraction in planar vector fields
In this work, we develop the article On the motion under focal attraction in a rotating medium, of J. Sotomayor, which deals with a bidimensional differential system that model the following Biological problem: in a shallow recipient with circular section, with liquid in, spinning with angular speed ω, there are platyhelminthes, flatworms organisms, the
Publicado em: 2008
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30. SEGMENTING TECHNIQUES OF IMAGES IN THE GENERATION OF PROGRAMS FOR MACHINERY OF COMMAND NUMERICAL / TÉCNICAS DE SEGMENTAÇÃO DE IMAGENS NA GERAÇÃO DE PROGRAMAS PARA MÁQUINAS DE COMANDO NUMÉRICO
This work describes a tool for extraction of features in 2D images applied to industrial automation. The method uses techniques implemented targeting of images into pieces model as detection of edges in the extraction of spatial coordinates of the image and import applications in CAD (Computer-Aided Design) for the generation of programmers for Computer Nume
Publicado em: 2008
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31. SISTEMA DE ILUMINAÇÃO DISTRIBUÍDA UTILIZANDO LEDs ACIONADOS POR DOIS CONVERSORES FLYBACK INTEGRADOS
This dissertation describes the design and implementation of an emergency lighting system using Light Emitting Diodes (LEDs). The system is composed by two integrated converters working as battery charger and LEDs supplying. Power LEDs were used, due to their high luminous flux and opening angle of 160. System control and management are done through a microc
Publicado em: 2007
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32. Contribuição a melhora das condições ambientais de trabalho através do aprimoramento da iluminação em galpões e pátios cobertos na indústria mineral. / Contribution of environmental work conditions through improvement in lighting in closed stores and sheds in Mineral Industry.
Environmental questions, occupational health and safety management are each time, more recognized and required by civil society and public agencies in all levels. Some of the ore stores that are opened today will need in the future to be closed to comply with stronger environmental regulations, required by society through controlling environmental agencies.
Publicado em: 2007
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33. Desorientação urbana em idosos no município de São Carlos: fatores associados e possibilidades de intervenção.
The world elderly population has gradually increased and, as a consequence, problems associated with the aging process assume greater relevance. In Brazil, the population aging is occurring in a sudden way, what makes difficult the regulation of the social and health systems according to the new demands. Nowadays, one of the problems faced inside the urban c
Publicado em: 2007
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34. Omnibus interior lighting system using LEDs and automotive communication network
Este trabalho apresenta um sistema de iluminação inteligente para interiores de ônibus utilizando LEDs (diodos emissores de luz) controlados através de uma rede automotiva de comunicação de dados. O sistema consiste em um controle central (mestre) e módulos de iluminação escravos, utilizando-se um protocolo de comunicação do tipo LIN para efetuar
Sba: Controle & Automação Sociedade Brasileira de Automatica. Publicado em: 2006-06
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35. Estudo do desempenho de redes de distribuição rural utilizando dados do sistema de localização de tempestades e da operação do sistema: uma abordagem de Engenharia
The work presents the results of a study based on the application of Lightning Location System (LLS) data and Interruptions data to analyze actual lighting performance of rural distribution lines at Minas Gerais State. The work presents the data used in the development of the case study consisting of three sources of infor mation: lightning data, extracted f
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/12/2005
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36. REDE DE ILUMINAÇÃO SEMICONDUTORA PARA APLICAÇÃO AUTOMOTIVA
This work describes the design of a semiconductor lighting system applied to omnibus interiors. The system is composed by several lighting terminals, and some of them have different purpose, once an omnibus has different inside lighting systems. All the terminals are controlled from a central panel, through a Local Interconnect Network, greatly used in autom
Publicado em: 2005