Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Raimundo Carlos Silvério Freire:"'
Publikováno v:
Revista Científica de Ingeniería Energética, Vol 44, Iss 1, Pp 1-12 (2023)
Due to the importance that the use of converters currently has in the development of power electronics, this research work arises, which aims to model in the Scilab software applying the state space method of direct current to direct current converte
Externí odkaz:
https://doaj.org/article/a247e1fbad2842ad8d4a2906799f2a26
Autor:
Josnier Ramos Guardarrama, Maykop Pérez Martínez, Eduardo Pedro Orta Real, Raimundo Carlos Silvério Freire
Publikováno v:
Revista Científica de Ingeniería Energética, Vol 45, Iss 2, Pp 1-13 (2024)
The objective of the article is to propose the educational application on DC – DC converters based on the free software Python, which allows the analysis, experimentation, demonstration and design of the functions of DC – DC converters. Among the
Externí odkaz:
https://doaj.org/article/eb3c4e8088b24db09d300d2e22c72832
Autor:
Fernandes, Josiane Maria Macedo, Tanaka, Marcelo Costa, Júnior, Raimundo Carlos Silvério Freire, Bessa, Wallace Moreira
Due to the enormous technological improvements obtained in the last decades it is possible to use robotic vehicles for underwater exploration. This work describes the development of a dynamic positioning system for remotely operated underwater vehicl
Externí odkaz:
http://arxiv.org/abs/2205.13344
Autor:
Josnier Ramos Guardarrama, Maykop Pérez Martínez, Brian Adiel González Del Castillo, Raimundo Carlos Silvério Freire
Publikováno v:
Revista Científica de Ingeniería Energética, Vol 45, Iss 1, Pp 1-14 (2024)
Among the skills to be developed in the study of reactive power compensation control devices in electrical power systems is the analysis of the control models of static reactive compensators. Python is free software that allows data analysis, control
Externí odkaz:
https://doaj.org/article/63c839d82d654d509e77a47371416c1e
Autor:
Oliveira, Giorgio André Brito, Cardoso, Raphael Araújo, Júnior, Raimundo Carlos Silverio Freire, Doca, Thiago, Araújo, José Alexander
Publikováno v:
In Tribology International April 2024 192
Autor:
Daniel de Matos Luna dos Santos, Ewaldo Eder Carvalho Santana, Paulo Fernandes da Silva Junior, Jonathan Araujo Queiroz, João Viana da Fonseca Neto, Allan Kardec Barros, Carlos Augusto de Moraes Cruz, Viviane S. de Aquino, Luís S. O. de Castro, Raimundo Carlos Silvério Freire, Paulo Henrique da Fonseca Silva
Publikováno v:
Sensors, Vol 21, Iss 18, p 6198 (2021)
In this paper, a bioinspired method in the magnetic field memory of the bees, applied in a rover of precision pollination, is presented. The method calculates sharpness features by entropy and variance of the Laplacian of images segmented by color in
Externí odkaz:
https://doaj.org/article/e4b01421a245417f9c3f53b73aaa4e7c
Autor:
Benedito Antonio Luciano, Renato Cucato Inácio, Pablo de Paula e Silva, Francisco das Chagas Fernandes Guerra, Raimundo Carlos Silvério Freire
Publikováno v:
Materials Research, Vol 15, Iss 5, Pp 801-804 (2012)
In this paper are presented some considerations about the performance of single wire earth return amorphous alloy core transformers in comparison with conventional silicon steel sheets cores transformers used in rural electric energy distribution net
Externí odkaz:
https://doaj.org/article/2cf7c516a08240e28e6436a298ea20a5
Autor:
Benedito Antonio Luciano, Thiago de Carvalho Batista, Raimundo Carlos Silvério Freire, Francisco das Chagas Fernandes Guerra, Walman Benício de Castro
Publikováno v:
Materials Research, Vol 15, Iss 5, Pp 805-808 (2012)
In this paper are presented theoretical analysis and experimental results concerning the performance of toroidal cores used in current transformers. For most problems concerning transformers design, analytical methods are useful, but numerical method
Externí odkaz:
https://doaj.org/article/56761d8ef1ce499bbc7ffbe74b85c716
Autor:
Raimundo Carlos Silvério Freire, Francarll Oliveira Moreno, Danilo Diniz Meireles, Elder Eldervitch Carneiro de Oliveira, Paulo Henrique Bezerra de Carvalho, Pedro Carlos de Assis Júnior, Ewaldo Santana, Paulo Fernandes da Silva Júnior
Publikováno v:
Coleção desafios das engenharias: Engenharia elétrica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::040effcf832d47739427fa63004711f4
https://doi.org/10.22533/at.ed.6062122079
https://doi.org/10.22533/at.ed.6062122079
Autor:
Laura H. Carvalho, Camila Caroline Rodrigues de Albuquerque, Samuel Medeiros Araujo Morais, Jessyca Iasmyn Lucena Araujo, Georgina Karla de Freitas Serres, Joabson Nogueira de Carvalho, Alexandre Jean Rene Serres, Raimundo Carlos Silvério Freire
Publikováno v:
2020 14th European Conference on Antennas and Propagation (EuCAP).
Conventional flexible and wearable antennas are currently fabricated with substrates which are neither biodegradable. Another negative point is the use of ecounfriendly processes to produce these circuits thus generating e-waste and causing environme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9ecbe5deb76ac1aacd4b7229ac2bb60
https://doi.org/10.23919/eucap48036.2020.9135785
https://doi.org/10.23919/eucap48036.2020.9135785