Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Jefferson Doolan Fernandes"'
Autor:
Felipe Denis Mendonça de Oliveira, Rodrigo Soares Semente, Jefferson Doolan Fernandes, Tálison Augusto Correia de Melo, Serafim do Nascimento Júnior, Andrés Ortiz Salazar
Publikováno v:
Ingeniería e Investigación, Vol 35, Iss 2, Pp 67-73 (2015)
Nowadays, the vast majority of information monitoring in industrial plants is still carried out by wired technologies, in which the installation and maintenance cost is high. However, in outdoor applications, such as those used in the oil and gas ind
Externí odkaz:
https://doaj.org/article/e3c3bb707b4144ec932c81c4347f87cb
Autor:
Paulo Vitor Silva, Ricardo Ferreira Pinheiro, Andrés Ortiz Salazar, Luciano Pereira dos Santos Júnior, Jefferson Doolan Fernandes
Publikováno v:
Eletrônica de Potência, Vol 20, Iss 3 (2015)
Um dos dispositivos mais utilizados em algumas topologias de aerogeradores são as caixas de engrenagens mecânicas que, além de uma vida útil curta representam, frequentemente, fontes de ruído e defeitos. Este trabalho apresenta um novo sistema p
Externí odkaz:
https://doaj.org/article/d3f0b019294c4058994c70cbc82c0c95
Autor:
Jefferson Doolan Fernandes, Francisco Elvis Carvalho Souza, Glauco George Cipriano Maniçoba, Andrés Ortiz Salazar, José Alvaro de Paiva
Publikováno v:
Sensors, Vol 17, Iss 11, p 2660 (2017)
With the widespread use of electric machines, there is a growing need to extract information from the machines to improve their control systems and maintenance management. The present work shows the development of an embedded system to perform the mo
Externí odkaz:
https://doaj.org/article/258c1aaf4261492e983d88afe6ffc0d4
Autor:
Luciano Santos Júnior, Andres O. Salazar, Paulo Vitor Silva, Jefferson Doolan Fernandes, Ricardo Ferreira Pinheiro
Publikováno v:
Eletrônica de Potência. 20:254-262
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ac56f1a83edac7c65b5965f55326525
https://doi.org/10.18618/rep.2015.3.2539
https://doi.org/10.18618/rep.2015.3.2539
Autor:
Rodrigo S. Semente, Jefferson Doolan Fernandes, Andres O. Salazar, Felipe D. M. Oliveira, Talison Augusto Correia De Melo
Publikováno v:
IEEE Latin America Transactions. 13:1187-1197
In recent years, the use of Wireless Sensor Networks (WSN) applied in the Oil and Gas Industry has increased rapidly. This increase in use is due its mobility, reliability and low cost. Wireless Sensor Networks do require a significant amount of powe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08070862a1f8d2cfd66ecf0eb672cc3f
https://doi.org/10.1109/tla.2015.7106374
https://doi.org/10.1109/tla.2015.7106374
Publikováno v:
Renewable Energy and Power Quality Journal. :455-460
This paper presents a new system for speed control in wind turbines, the "Electromagnetic Frequency Regulator" - (EFR). One of the most used devices in some topologies to perform the speed control are boxes of mechanical gears, plus a short shelf lif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bcceff067e4186744fc262c251ec8a63
https://doi.org/10.24084/repq13.356
https://doi.org/10.24084/repq13.356
Autor:
Andres O. Salazar, Rodrigo S. Semente, Luiz F. Q. Silveira, Felipe O. S. Gama, Jefferson Doolan Fernandes
Publikováno v:
2016 1st International Symposium on Instrumentation Systems, Circuits and Transducers (INSCIT).
The advance in wireless sensor networking technology is increasing the number of control systems that use these networks to transmit the relevant variable to be measured and controlled, despite of the more intense distortions caused by wireless chann
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b95cbbdfd74ce73b85d238f97f645f55
https://doi.org/10.1109/inscit.2016.7598193
https://doi.org/10.1109/inscit.2016.7598193
Autor:
Alvaro Medeiros Avelino, Jefferson Doolan Fernandes, Samuel de Paiva Rêgo, Leonardo Gomes de Paiva Amorim
Publikováno v:
Revista Brasileira de Inovação Tecnológica em Saúde - ISSN:2236-1103.
Este trabalho propõe um sistema de monitoramento em tempo real de ativos hospitalares em que os seus nós (ou sensores) comunicam-se entre si utilizando a tecnologia ZigBee. O sistema é composto por vários sensores (escravos) que periodicamente mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ff3c23b5f975b346e7429d7fcc946ca
https://doi.org/10.18816/r-bits.v2i4.2229
https://doi.org/10.18816/r-bits.v2i4.2229