Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Juan C. Velez"'
Autor:
Juan P. Tello, Juan C. Velez, Alberto Cadena, Andres Jutinico, Mauricio Pardo, Winston Percybrooks
Publikováno v:
Heliyon, Vol 10, Iss 5, Pp e26355- (2024)
This work analyzes hemodynamic phenomena within the aorta of two elderly patients and their impact on blood flow behavior, particularly affected by an endovascular prosthesis in one of them (Patient II). Computational Fluid Dynamics (CFD) was utilize
Externí odkaz:
https://doaj.org/article/566146d9a7ba4934bc61353fd7ee2ae7
Autor:
Cesar Orozco-Henao, Arturo Suman Bretas, Juan Marín-Quintero, Andres Herrera-Orozco, Juan Diego Pulgarín-Rivera, Juan C. Velez
Publikováno v:
Applied Sciences, Vol 8, Iss 9, p 1563 (2018)
Modern fault location methods are robust; however, they depend strongly on the availability of the measurements given by Distributed Energy Resources (DER). If the communication or synchronism of this information is lost, the fault location is not po
Externí odkaz:
https://doaj.org/article/acf1d3e369654f9b91efdbf920b86e17
Publikováno v:
International Journal of Distributed Sensor Networks, Vol 11 (2015)
Radio Frequency Identification (RFID) is a solution for automated inventory and object detection applications. However, if RFID tags are attached to metal objects, detection errors may occur due to Foucault currents and interferences caused by multip
Externí odkaz:
https://doaj.org/article/e7ecfedf2ecb4dd69d4ecacdb1d2e969
Autor:
Erika L. Sugahara, María A. Gonzalez, Juan C. Velez, Cesar A. Orozco, Alberto J. Cadena, Juan P. Tello Portillo
Publikováno v:
Revista de Sistemas, Cibernética e Informática, Vol 17, Iss 2, Pp 22-28 (2020)
En este trabajo se presenta la modelación de la hemodinamia vascular de la aorta en tres dimensiones para obtener los perfiles de velocidad y distribuciones de presión en toda la geometría de la arteria. Se inicia con la extracción de las imágen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::b5cf3281f06cbf33ea1fd55cba1665c6
http://www.iiisci.org/journal/CV$/risci/pdfs/CA457ZV20.pdf
http://www.iiisci.org/journal/CV$/risci/pdfs/CA457ZV20.pdf
Autor:
Antonio Serrano, Luz E. Marquez, Maria Calle, Alfonso Osorio, John E. Candelo-Becerra, Juan C. Velez
Publikováno v:
IEEE Internet of Things Journal. 7:2806-2815
Low-power wide-area network technologies allow sending sensor information through long distances with low data rates. Long Range (LoRa) is one of these technologies, which is less susceptible to noise and interference. This technology operates in unl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e41ee709e51324d2b67db51d1b3ba895
https://doi.org/10.1109/jiot.2019.2962976
https://doi.org/10.1109/jiot.2019.2962976
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
A novel procedure based on filtering and interpolation approaches is proposed to estimate the sea state parameters, including significant wave height, peak wave direction, peak period, peak wavenumber, and peak wavelength in shallow waters using the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28b7a5ec221aeb76b547e983341f305e
https://doi.org/10.1109/tgrs.2019.2905104
https://doi.org/10.1109/tgrs.2019.2905104
Autor:
Walter Gil-González, C. Orozco-Henao, Winston S. Percybrooks, Juan C. Velez, Oscar Danilo Montoya, J. Marín-Quintero
Publikováno v:
Applied Soft Computing, 98, art. no. 106839
Applied Soft Computing Volume 98, January 2021, 106839
Applied Soft Computing Volume 98, January 2021, 106839
Conventional protection schemes have proven insufficient for the protection of Active Distribution Networks (ADN). Novel protection schemes with an adaptive approach should be developed to guarantee the protection of ADN under all their operating con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a06b50a00fac0fc00d9b60e5b1accf47
https://hdl.handle.net/20.500.12585/10032
https://hdl.handle.net/20.500.12585/10032
Publikováno v:
ISNCC
Low Power Wide Area Networks provide long-range, energy-efficient communication. LoRaWAN fulfills all these characteristics employing the Chirp Spread Spectrum modulation technique. Thus, the technology shows an important alternative for the Internet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd207bfc639b1f26238e5268b790b9b4
https://doi.org/10.1109/isncc49221.2020.9297311
https://doi.org/10.1109/isncc49221.2020.9297311
Autor:
Winston S. Percybrooks, Walter Gil-González, Oscar Danilo Montoya, C. Orozco-Henao, Cristian Cepeda, Juan C. Velez, Juan Diego Pulgarín-Rivera
Publikováno v:
Energies, Vol 13, Iss 5, p 1223 (2020)
Energies
Volume 13
Issue 5
Repositorio Institucional UTB
Universidad Tecnológica de Bolívar
instacron:Universidad Tecnológica de Bolívar
Energies
Volume 13
Issue 5
Repositorio Institucional UTB
Universidad Tecnológica de Bolívar
instacron:Universidad Tecnológica de Bolívar
The dynamic features of microgrid operation, such as on-grid/off-grid operation mode, the intermittency of distributed generators, and its dynamic topology due to its ability to reconfigure itself, cause misfiring of conventional protection schemes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ddca6e3b08af7e169429f49a440d3700
https://www.mdpi.com/1996-1073/13/5/1223
https://www.mdpi.com/1996-1073/13/5/1223
Publikováno v:
IEEE Latin America Transactions. 15:2084-2089
Passive Ultra High Frequency Radio Identification (UHF RFID) systems used in metal objects exhibit challenges due to generation of Foucault currents and multiple reflections, creating reading problems and detection errors. One of these problems is un
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca1a45c17c40c9c6d0137b003f085dc3
https://doi.org/10.1109/tla.2017.8070412
https://doi.org/10.1109/tla.2017.8070412