Find Research Outputs

2013
13 Citations

Metropolitan spectrum survey in bogota colombia

Pedraza, L. F., Forero, F. & Paez, I., 2013, Proceedings - 27th International Conference on Advanced Information Networking and Applications Workshops, WAINA 2013. p. 548-553 6 p. 6550453

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Frequency bands
12 Citations

Model-driven engineering for electronic commserce

Bermúdez, G. M. T. & Rojas, L. A. R., Jun 30 2013, Progressions and Innovations in Model-Driven Software Engineering. IGI Global, p. 196-208 13 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Taxonomies
Interoperability
Ontology
Semantics
Industry
2 Citations

Oscillation amplitude enhancement of an electrostatic MEMS resonator via chaos control

Jimenez-Triana, A., Zhu, G. & Saydy, L., 2013, Proceedings of the American Control Conference. p. 6269-6274 6 p. 6580821

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chaos theory
MEMS
Resonators
Electrostatics
Orbits

Parameters identification and the power quality analysis of discharge lamps with metal-halide reactor ballast

Lobo, E. J., Espitia, H. E. & Pavas, A., 2013, 2013 Power Electronics and Power Quality Applications, PEPQA 2013 - Proceedings. IEEE Computer Society, 6614954

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Discharge lamps
Metal halides
Power quality
Identification (control systems)
Nonlinear systems
2 Citations

Performance of multivariable traffic model that allows estimating Throughput mean values

Hernández, C., Salgado, C. & Salcedo, O., 2013, In : Revista Facultad de Ingenieria. 67, p. 52-62 11 p.

Research output: Contribution to journalArticle

Throughput
Wi-Fi
Software packages
Wireless networks
82 Citations

Photovoltaic power system with battery backup with grid-connection and islanded operation capabilities

Velasco De La Fuente, D., Trujillo Rodríguez, C. L., Garcerá, G., Figueres, E. & Ortega Gonzalez, R., 2013, In : IEEE Transactions on Industrial Electronics. 60, 4, p. 1571-1581 11 p., 6189074.

Research output: Contribution to journalArticle

Electric potential
Energy management systems
Energy storage
Energy dissipation
42 Citations

Phylogeny of the Lobariaceae (lichenized Ascomycota: Peltigerales), with a reappraisal of the genus Lobariella

Moncada, B., Lücking, R. & Betancourt-Macuase, L., 2013, In : Lichenologist. 45, 2, p. 203-263 61 p.

Research output: Contribution to journalArticle

Lobariaceae
Peltigerales
Lobaria
Sticta
Ascomycota
3 Citations

Políticas en salud ambiental, con énfasis en contaminación atmosférica e infancia, en ciudades Colombianas

García-Ubaque, C. A., García-Ubaque, J. C. & Vaca-Bohórquez, M. L., 2013, In : Revista de Salud Publica. 14, 2 SUPPL., p. 100-112 13 p.

Research output: Contribution to journalArticle

Environmental Policy
Environmental Health
Air Pollution
Health Policy
City Planning
5 Citations
irradiance
estimating
modules
ambient temperature
curves
20 Citations

Predicting the behavior of a grid-connected photovoltaic system from measurements of solar radiation and ambient temperature

Hernandez, J., Gordillo, G. & Vallejo, W., Apr 2013, In : Applied Energy. 104, p. 527-537 11 p.

Research output: Contribution to journalArticle

photovoltaic system
Solar radiation
solar radiation
software
methodology
1 Citations

Proposal and adjustment of a Colombian migration model for the Pacific region

Martinez, L. P. & Espitia, H. E., 2013, Proceedings - 2013 2nd International Symposium on Instrumentation and Measurement, Sensor Network and Automation, IMSNA 2013. IEEE Computer Society, p. 37-41 5 p. 6742812

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Genetic algorithms
Mathematical models

Proposal and optimization of a fuzzy logic model for automobile injection diagnosis using evolutionary algorithms

Pinzón, C. L. G., Cuchango, H. E. E., Corral, C. P. & González, J. R., 2013, Proceedings - 2013 International Conference on Mechatronics, Electronics and Automotive Engineering, ICMEAE 2013. p. 96-102 7 p. 6713962

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Evolutionary algorithms
Automobiles
Fuzzy logic
Acoustic impedance
Fuel injection
4 Citations

Proposal for parameter selection of the vortex particle swarm optimization during the dispersion stage

Espitia, H. E. & Sofrony, J. I., 2013, Proceedings - 2013 International Conference on Mechatronics, Electronics and Automotive Engineering, ICMEAE 2013. p. 65-71 7 p. 6713957

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Particle swarm optimization (PSO)
Vortex flow
Switches
3 Citations

Quality study of ceramic bricks manufacture with clay and ashes from the incineration of municipal solid wastes

Garcia-Ubaque, C. A., Giraldo, L. & Moreno-Piraján, J. C., Jan 2013, In : Afinidad. 70, 561, p. 57-63 7 p.

Research output: Contribution to journalArticle

Ashes
Waste incineration
Municipal solid waste
Brick
Clay
52 Citations

Reconfigurable control scheme for a PV microinverter working in both grid-connected and Island modes

Trujillo Rodriguez, C., Velasco De La Fuente, D., Garcera, G., Figueres, E. & Guacaneme Moreno, J. A., 2013, In : IEEE Transactions on Industrial Electronics. 60, 4, p. 1582-1595 14 p., 6092481.

Research output: Contribution to journalArticle

Electric potential

Register of overvoltages in medium voltage networks

Acevedo Vasquez, A., Chacon, G. & Santamaría, F., 2013, 2013 Power Electronics and Power Quality Applications, PEPQA 2013 - Proceedings. IEEE Computer Society, 6614953

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sensors
Electric potential
Processing
9 Citations

Six new apotheciate species of Sticta (lichenized Ascomycota: Lobariaceae) from the Colombian Andes

Moncada, B., Lücking, R. & Coca, L. F., Sep 2013, In : Lichenologist. 45, 5, p. 635-656 22 p.

Research output: Contribution to journalArticle

Lobariaceae
Sticta
Ascomycota
anatomy
new species

Solución B2B para el mercado Latinoamericano

Bermudez, G. M. T., Osma, J. I. P. & Alvarez, B. T., 2013, Iberian Conference on Information Systems and Technologies, CISTI. 6615845

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Industry
Testing
2 Citations

Solving linear programming problems with Interval Type-2 fuzzy constraints using interval optimization

Figueroa Garcia, J. C. & Hernandez, G., 2013, Proceedings of the 2013 Joint IFSA World Congress and NAFIPS Annual Meeting, IFSA/NAFIPS 2013. p. 623-628 6 p. 6608473

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Linear programming
Fuzzy sets
3 Citations

Spectrum occupancy statistics in Bogota-Colombia

Pedraza, L. F., Molina, A. & Paez, I., 2013, 2013 IEEE Colombian Conference on Communications and Computing, COLCOM 2013 - Conference Proceedings. 6564815

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Statistics
Frequency bands
21 Citations
Beetles
Scarabaeidae
Insecta
anthropogenic activities
Insects
1 Citations

Teaching as a bridge between scientific knowledge at school and traditional ecological knowledge

Molina-Andrade, A. & Mojica, L., Jul 2013, In : Magis. 6, 12, p. 37-53 17 p.

Research output: Contribution to journalArticle

Teaching
school
knowledge
education
scenario
23 Citations

Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade

Lücking, R., Dal-Forno, M., Lawrey, J. D., Bungartz, F., Holgado Rojas, M. E., Hernández, J. E. M., Marcelli, M. P., Moncada, B., Morales, E. A., Nelsen, M. P., Paz, E., Salcedo, L., Spielmann, A. A., Wilk, K., Will-Wolf, S. & Yánez-Ayabaca, A., 2013, In : Phytotaxa. 139, 1, p. 1-38 38 p.

Research output: Contribution to journalArticle

Hygrophoraceae
Agaricales
Basidiomycota
new species
phylogenetics
11 Citations

Two-dimensional fast Haar wavelet transform for satellite-image fusion

Daza, R. J. M., Ruiz, C. P. & Aguilar, L. J., 2013, In : Journal of Applied Remote Sensing. 7, 1, 13020.

Research output: Contribution to journalArticle

wavelet
transform
panchromatic image
IKONOS
multispectral image
Displacement measurement
Time measurement
3 Citations

Using collaborative virtual objects based on services to communicate smart objects

Bermudez, G. M. T., Espada, J. P. & Nunez-Valdez, E. R., 2013, Proceedings - 7th International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing, IMIS 2013. p. 456-461 6 p. 6603715

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Communication
Specifications
Internet
Network protocols
Internet of things
6 Citations

Vortex particle swarm optimization

Espitia, H. E. & Sofrony, J. I., 2013, 2013 IEEE Congress on Evolutionary Computation, CEC 2013. p. 1992-1998 7 p. 6557803

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Swarm
Local Minima
Particle swarm optimization (PSO)
Particle Swarm Optimization
Vortex
2012
1 Citations

A based bluetooth tourist service prototype

Parra, O. J. S., Sabogal, S. & Castellanos, L., 2012, Proceedings - 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012. p. 387-392 6 p. 6211126

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bluetooth
Application programs
Marketing

A case-based reasoning approach to support teaching of spanish as a second language in indigenous communities from latin america

Bacca, J., Baldiris, S., Fabregat, R., Guevara, J. & Calderón, D., 2012, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Springer Verlag, Vol. 7637 LNAI. p. 682-691 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7637 LNAI).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Case based reasoning
Case-based Reasoning
Teaching
Students
Authoring Tools
2 Citations

Accessibility evaluation improvement using Case Based Reasoning

Avila, C., Baldiris, S., Fabregat, R. & Guevara, J. C., 2012, Proceedings - Frontiers in Education Conference, FIE. 6462456

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Case based reasoning
Audition
evaluation
Teaching
Students
1 Citations

Achievable transmission rate in an IEEE 802.11 Manet link

Alzate, M. A., Mejía, M., Peña, N. M. & Labrador, M. A., 2012, In : Revista Facultad de Ingenieria. 62, p. 126-136 11 p.

Research output: Contribution to journalArticle

Bandwidth
Telecommunication links
Probability distributions
Distribution functions
2 Citations

Adaptive filtering for lightning electric field (LEF) signals in fractional Fourier domain

Rojas, H. & Cortes, C., 2012, 2012 IEEE Statistical Signal Processing Workshop, SSP 2012. p. 213-216 4 p. 6319663

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Adaptive filtering
Lightning
Electric fields
Fourier transforms
Adaptive algorithms
4 Citations

A faster iterative computation of the centroid of an interval type-2 fuzzy set

Celemin, C. E. & Melgarejo, M. A., 2012, 2012 Annual Meeting of the North American Fuzzy Information Processing Society, NAFIPS 2012. 6291007

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Interval type-2 Fuzzy Sets
Centroid
Fuzzy sets
Iterative Algorithm
Interval-valued Fuzzy Set
12 Citations

A general model for linear programming with interval type-2 fuzzy technological coefficients

García, J. C. F., 2012, 2012 Annual Meeting of the North American Fuzzy Information Processing Society, NAFIPS 2012. 6291064

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Interval type-2 Fuzzy Sets
α-cut
Fuzzy sets
Linear programming
Interval
2 Citations

A hierarchical design approach for interval type-2 fuzzy controllers applied to mobile robots

Melgarejo, M. A., Munoz, C. M. & Leottau, L., 2012, In : International Journal of Robotics and Automation. 27, 3, p. 330-339 10 p.

Research output: Contribution to journalArticle

Fuzzy Controller
Mobile Robot
Mobile robots
Controllers
Interval

Analysis and review of the contribution of neural networks to saving electricity in residential lighting by a design in MATLAB

Giral, D. A., Romero, R. R. & Hernández, C., 2012, Proceedings - 2012 9th Electronics, Robotics and Automotive Mechanics Conference, CERMA 2012. p. 182-190 9 p. 6524576

Research output: Chapter in Book/Report/Conference proceedingConference contribution

MATLAB
Electricity
Lighting
Neural networks
9 Citations

An approximation method for Type reduction of an Interval Type-2 fuzzy set based on α-cuts

Garcia, J. C. F., 2012, 2012 Federated Conference on Computer Science and Information Systems, FedCSIS 2012. p. 49-54 6 p. 6354390

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fuzzy sets
Membership functions
Approximation algorithms

An evaluation of MAC protocols running on a MANET network

Pedraza, L. F., Paez, I. P. & Forero, F., 2012, Procedia Computer Science. Elsevier, Vol. 10. p. 86-93 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cognitive radio
Mobile ad hoc networks
Medium access control
Throughput
1 Citations

A novel analysis and design assessment for series resonant converters operating above resonance

Sanchez, A. C., Diaz, N. L., Chamorro, H. R. & Bayona, J. F., 2012, 2012 10th IEEE/IAS International Conference on Industry Applications, INDUSCON 2012. 6451401

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zero voltage switching
Trajectories
Hardware
Geometry
Networks (circuits)
4 Citations

A PI-P+Resonant controller design for single phase inverter operating in isolated microgrids

Ortega, R., Trujillo, C. L., Garcerá, G., Figueres, E. & Carranza, O., 2012, IEEE International Symposium on Industrial Electronics. p. 1560-1565 6 p. 6237324

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Controllers
Harmonic distortion
Electric potential
4 Citations

Application of item response theory (IRT) for the generation of adaptive assessments in an introductory course on object-oriented programming

Vega, Y. L. P., Bolanos, J. C. G., Nieto, G. M. F. & Baldiris, S. M., 2012, Proceedings - Frontiers in Education Conference, FIE. 6462377

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Object oriented programming
programming
Students
Teaching
learning process
1 Citations

A self-organizing neural fuzzy system to forecast the price of Ecopetrol shares

González, J. A. A., Rey, C. M. O. & García, J. C. F., 2012, 2012 IEEE Conference on Computational Intelligence for Financial Engineering and Economics, CIFEr 2012 - Proceedings. p. 271-276 6 p. 6327802

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fuzzy systems
Time series
Statistical methods
Decision making
Costs
3 Citations

A short note on the centroid of an interval type-2 fuzzy set

Morales, O. S., Mendez, J. J. S. & Devia, J. H. S., 2012, 2012 Workshop on Engineering Applications, WEA 2012. 6220094

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fuzzy sets
Meats
Lubricating greases
Wastewater treatment
Wastewater
Processing
18 Citations

A transportation model with interval type-2 fuzzy demands and supplies

Figueroa-García, J. C. & Hernández, G., 2012, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 7389 LNCS. p. 610-617 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7389 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fuzzy Demand
Interval
Fuzzy sets
Interval type-2 Fuzzy Sets
Model
3 Citations

Behavior of corona current and atmospheric variables under thunderstorm conditions: Thunderstorm prediction algorithm

Ariza, D., Roman, F., Montero, O., Escobar, O. & Santamaria, F., 2012, 2012 31st International Conference on Lightning Protection, ICLP 2012. 6344379

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thunderstorms
Atmospheric pressure
Atmospheric humidity
Electric fields
Air
2 Citations
Colombia
information and communication technology
information technology
communications technology
socioeconomic status
1 Citations

Broadband planar antenna with improved pattern bandwidth

Suárez, C., Rodríguez, R. & Bataller, M. F., 2012, In : Revista Facultad de Ingenieria. 65, p. 74-84 11 p.

Research output: Contribution to journalArticle

Antennas
Bandwidth
3G mobile communication systems
Wi-Fi
Geometry
1 Citations

Centroid of an interval type-2 fuzzy set re-formulation of the problem

Morales, O. S., Mendez, J. J. S. & Devia, J. H. S., 2012, In : Applied Mathematical Sciences. 6, 121-124, p. 6081-6086 6 p.

Research output: Contribution to journalArticle

Interval type-2 Fuzzy Sets
Centroid
Fuzzy sets
Reformulation
Computing

Characterization of the solar resource for ten cities in Colombia

Saenz, A., Hernandez, J. & Vallejo, W., 2012, 2012 IEEE International Symposium on Alternative Energies and Energy Quality, SIFAE 2012 - Conference Proceedings. 6478883

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solar radiation
Solar energy
Temperature