Dissertações em Engenharia Elétrica (Mestrado) - PPGEE/ITEC

URI Permanente para esta coleçãohttps://repositorio.ufpa.br/handle/2011/2316

O Mestrado Acadêmico inicou-se em 1986 e pertence ao Programa de Pós-Graduação em Engenharia Elétrica (PPGEE) do Instituto de Tecnologia (ITEC) da Universidade Federal do Pará (UFPA).

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Agora exibindo 1 - 2 de 2

Acesso aberto (Open Access)
Estudo da viabilidade econômica para implantação de redes de acesso banda larga em cenários amazônicos: um estudo de caso baseado no custo do bit aplicado ao programa NAVEGAPARÁ
(Universidade Federal do Pará, 2009-11-27) RUSSILLO, Dário; FRANCÊS, Carlos Renato Lisboa; http://lattes.cnpq.br/7458287841862567
This master’s dissertation proposes a comparative study related to the bit cost generated between NAVEGAPARÁ program and the telecommunications companies provided services in the related county Several studies are conducted analyzing only the performance of such systems taking into consideration some metric ones of evaluation performance, however, do not relate the real cost for the final user. Three real sceneries had been used as a case study. In each scenery was proposed the use of one or more combined technology for transmission of information taking into account some parameters such as pre-existing infrastructure, distance between end users, rate transmission, among others. It was compared the proposed solutions from this work with the solutions available by the existing and acting telecommunications companies on the sceneries analyzed.
Acesso aberto (Open Access)
LABEXP - Laboratório de experimentação remota em tempo real
(Universidade Federal do Pará, 2009-08-14) SANTOS, Diego Lima; COSTA JÚNIOR, Carlos Tavares da; http://lattes.cnpq.br/6328549183075122
This work proposes the Real Time Remote Experimentation Laboratory’s (LabExp) development and implementation process. This laboratory is actually working in Universidade Federal do Pará aiming to act as an auxiliary tool for teaching and learning of control systems disciplines. Teaching and learning were included through experiments availability, where users may interact with them, changing parameters and observing this interaction results. Besides experiments availability, it is believed that in online learning environments it is interesting to make available for students tools that provide greater interaction between students and teachers and with the remote laboratory, providing a more collaborative approach to learning, encouraging the student. This way, it is available to students three applications: one to submit their own experiments, another for interaction with other students through a forum, and another to send your opinions/criticisms. Before LabExp’s development and implementation process, it was make a brief analysis about online education, because this is the laboratory’s purpose. This analysis provided more knowledge about this method of education, guiding the rest of LabExp’s development. It is understood that the technologies used are not critical for a remote laboratory’s development, directed to online education, however remote experiments of control systems have a temporal restriction, i.e. need to obey restrict time limits, working in real time. To achieve this behavior it was used the Real Time Application Interface (RTAI), with the RTAIXML component. Beyond used technologies, this work also presents LabExp’s modeling process, according to Unified Modeling Language (UML) standard, principles and resources, applied to web applications. This modeling process was of fundamental importance, because it facilitated and guided the laboratory’s development.

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