Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Jose Luiz F. Barbosa"'
Publikováno v:
Energies, Vol 15, Iss 20, p 7679 (2022)
This work proposes the design of an optimization method for high-power LED luminaires with the introduction of new evaluation metrics. A luminaire geometry computational method is deployed to conduct thermal and optical analysis. This current effort
Externí odkaz:
https://doaj.org/article/12f0213aaa6641cd9cd80eee7f0b82cb
Autor:
Sérgio Botelho de Oliveira, Aylton José Alves, Geovanne P. Furriel, Wesley P. Calixto, Calebe Abrenhosa Matias, Licinio Moraes Santos, Jose Luiz F. Barbosa
Publikováno v:
2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe).
This paper presents the development and optimization of a solar simulator designed to irradiate uniform light on the target plane. A luminaire covering 3.6 $m$ 2was developed to simulate solar radiation on the device under test in a closed chamber fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25ec15c32545ba634d043af4f8d529fc
https://doi.org/10.1109/eeeic.2018.8494430
https://doi.org/10.1109/eeeic.2018.8494430
Autor:
Jose Luiz F. Barbosa, Wesley P. Calixto, Ana Clara O. F. Barbosa, Rafael da Silva Ferraz, Aylton José Alves
Publikováno v:
2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe).
In this work a lighting study of a high-power light-emitting diode (HP-LED) luminaire is presented. Some experimental simulations are performed in two case studies. The temperature behavior of the luminaire is also evaluated (with and without forced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3af4a436250c225528d590912c773326
https://doi.org/10.1109/eeeic.2018.8493864
https://doi.org/10.1109/eeeic.2018.8493864
Autor:
Danilo Fernando A. Silva, Wesley P. Calixto, Luciano E. B. Santos, Clebes André da Silva, Marcela N. Oliveira, Jose Luiz F. Barbosa
Publikováno v:
2017 CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON).
The objective of this work is to analyze and understand the operation of the elevators system, simulating and optimizing the traffic of individuals in elevators. Passive elements (queues) and active (processors/servers) are analyzed. A simulation met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3f259d935ba2508f3af7e2e3f8a4e90
https://doi.org/10.1109/chilecon.2017.8229721
https://doi.org/10.1109/chilecon.2017.8229721
Publikováno v:
2017 CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON).
This paper presents an improvement of the optimization methodology of luminaire built by high power light emitting diode (LED) matrix. Six parameters that modify the geometry and layout of the luminaire are evaluated through a parameter sensitivity s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ea1cd89df39e9ad082f39cf6413c321
https://doi.org/10.1109/chilecon.2017.8229728
https://doi.org/10.1109/chilecon.2017.8229728
Autor:
Wesley P. Calixto, Viviane M. Gomes, Lais F. A. Silva, Pedro H. M. Campos, Layza L. Oliveira P. Castro, Jose Luiz F. Barbosa, Antonio P. Castro, Ernesto Fonseca Veiga
Publikováno v:
2017 CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON).
The aim of this paper is to introduce a semantic methodology using ontology in order to improve results of data mining in judicial decisions database. An intelligent and automatic method to search for sentences in lawsuits related to the one in trial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa676ae208a4e5e47bcb9336734487ea
https://doi.org/10.1109/chilecon.2017.8229731
https://doi.org/10.1109/chilecon.2017.8229731
Publikováno v:
Energies; Volume 10; Issue 5; Pages: 639
This work presents a methodology for optimizing the layout and geometry of an m × n high power (HP) light emitting diode (LED) luminaire. Two simulators are used to analyze an LED luminaire model. The first simulator uses the finite element method (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7646e2af53c9240e007f857d9dfdcc48
Publikováno v:
2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC).
A methodology for optimizing the geometry of a high power (HP) light emitting diode (LED) luminaire is presented in this paper. The arrangement of a HP-LED luminaire is evaluated, technically and economically, for outdoor lighting. Parameters that af
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1da7cfeb31104376afcb44367c172fb2
https://doi.org/10.1109/eeeic.2016.7555587
https://doi.org/10.1109/eeeic.2016.7555587
Autor:
Aylton José Alves, Wesley P. Calixto, Jose Luiz F. Barbosa, Rodrigo Aires Corrêa Lima, Elder Geraldo Domingues
Publikováno v:
2015 IEEE 15th International Conference on Environment and Electrical Engineering (EEEIC).
This paper presents initial studies on thermal heat dissipation in a high-power 5W LED (Light Emitting Diode) luminaire. Two types of heat sinks are proposed, and three thermal simulations are presented through an analysis by finite element methods (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb72bdf1f8fdeacee4ba1ed2264360a1
https://doi.org/10.1109/eeeic.2015.7165526
https://doi.org/10.1109/eeeic.2015.7165526