Mestrado em Engenharia Elétrica

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http://repositorio.ufes.br/handle/10/17619

Nível: Mestrado Acadêmico
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Navegando Mestrado em Engenharia Elétrica por Autor "Amaral, Paulo Faria Santos"

Agora exibindo 1 - 3 de 3
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    Sistema de monitoramento remoto de processos via web e wap
    (Universidade Federal do Espírito Santo, 2005-12-21) Oliveira, Aldemar José de; Amaral, Paulo Faria Santos; Munaro, Celso José; Segatto, Marcelo Eduardo Vieira; Rigo, Daniel; Lüders, Ricardo
    In this work, a solution for remote process supervision via WEB and WAP is presented. The proposal is composed by a remote terminal unit, based on a microcontroller and a CDMA modem. And for master terminal unit, a computer connected to internet, is used for receiving, processing and distributing collected field data. The solution is applied to a temperature remote supervision problem, and results from tests are presented and discussed, showing its usefulness for remote supervision of processes spread over large areas.
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    Um método interativo de recuperação de diagramas GRAFCET e de estados a partir de Diagramas Ladder usando diagramas binários de decisão
    (Universidade Federal do Espírito Santo, 2005-11-04) Giacomin, Paulo André Sperandio; Schneebeli, Hans Jorg Andreas; Denti Filho, José; Okamoto Junior, Jun; Amaral, Paulo Faria Santos
    abstract
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    Uma estrutura de programação para o desenvolvimento de aplicações de robótica móvel em tempo-real
    (Universidade Federal do Espírito Santo, 2006-09-29) Rosas, Rodrigo Rosenfeld; Schneebeli, Hans Jorg Andreas; Bastos Filho, Teodiano Freire; Amaral, Paulo Faria Santos; Stemmer, Marcelo Ricardo
    While there are several mobile robots around, it is a common practice to program them using ad hoc solutions. Some projects were created aiming to provide a common interface to support several kinds of mobile robots but none of them seems to have met real world system requirements. Most of them do not care about time restrictions, which are intrinsic to robotic applications. Real-time support is a very important requirement for deterministic behavior. This project compares current robotic frameworks and proposes a new one, based on clear and objective criteria. This framework is designed in top of the Linux operating system, using a real-time extension, for providing a simple, yet flexible, interface, suitable to mobile robotic applications, which have hard real-time requirements. The choice for a real-time extension was Xenomai, although it would be possible to adapt the proposed framework to other extensions, like RTAI or RTLinux. Such framework provides microseconds latency, in addition of easing a lot the development of mobile robotic applications.