Our Researchers
M
Manian, Vydia.
Electrical and Computer Engineering
Profile picture of Vydia Manian
Field of Specialization
  • Multispectral image processing
  • Bioengineering
  • Bio-sensory data fusion
  • Neuroscience
  • Machine learning
About

Dr. Manian is a faculty member in the Department of Electrical and Computer Engineering and Bioengineering at UPRM, where she has been teaching and conducting research since 2006. She serves as Director of the Artificial Intelligence Imaging Group (AIIG) at UPRM, overseeing research in machine learning, data mining, neuroimaging, and remote sensing. In addition, she is an investigator with the MIT Institute for Artificial Intelligence and Fundamental Interactions (IAIFI), indicating collaborative research connections beyond UPRM.

Contact Info

Email: vidya.manian@upr.edu

Office: S-408

Phone: (787) 832-4040 ext. 3650, 5845

Significant Publications
SIGNIFICANT PUBLICATIONS

Yang, L., Rodríguez-Quiñones, E., Yao, E. B., Deng, Y., & Silva Araya, W. (2024). Making waves: Harnessing stormwater for resilient water supply—A blueprint for vulnerable continental coasts and oceanic islands. *Journal of Hydrology, 635*, 131030. https://doi.org/10.1016/j.jhydrol.2024.131030

Viloria-Marimón, O. M., Santiago-Collazo, F. L., Bledsoe, B., & Silva Araya, W. (2025). A technique for stream geometry estimation based on watershed morphometric characteristics. *Water Resources Research, 61*(4), e2024WR036789. https://doi.org/10.1029/2024WR036789    

Silva Araya, W., & Rodríguez-Quiñones, E. (2023). Vegetative flow resistance for erosion control using grass species from the Caribbean region. *Ecological Engineering, 191*, 106747. https://doi.org/10.1016/j.ecoleng.2023.106747   

Martínez Cruzado, Jose A.
Civil Engineering and Surveying
Profile Picture of Jose Martinez
Field of Specialization
  • Structural engineering
  • Earthquake engineering
  • Seismic rehabilitation
About

The Puerto Rico Strong Motion Program (PRSMP), which he directs, has been supported through two main grants from the Federal Emergency Management Agency (FEMA), enabling the installation and modernization of strong motion stations across Puerto Rico, including free-field stations, city local networks, instrumentation in concrete dams, and seismic monitoring in bridges

Contact Info

Email: jose.martinez44@upr.edu

Office: CI-105C1

Phone: (787) 832-4040 ext. 3401

Significant Publications
SIGNIFICANT PUBLICATIONS

Silva Araya, W., Rodríguez-Quiñones, E., & Santiago-Collazo, F. L. (1994). Puerto Rico soils classification maps according to the 1994 National Earthquake Hazard Reduction Program. University of Puerto Rico at Mayagüez Institutional Repository. https://scholar.uprm.edu/entities/publication/876dfb97-fb6d-4cc2-89a3-41f12b37fb2f

Medina Lee, Juan
Computer Science and Engineering
Profile picture of Juan Medina
Field of Specialization
  • Electronic engineering
  • Control systems
  • Embedded systems
  • Operating Systems
  • Autonomous driving systems
Contact Info

Email: juan.medina26@upr.edu

Office: S-613

Phone: (787) 832-4040 ext. 2448

Significant Publications
SIGNIFICANT PUBLICATIONS

Peña Arias, Juan & Vásquez, Evelyn & Feo-Cediel, Guiselle & Negroni, Alanis & Medina Lee, Juan Felipe. (2025). Beyond “One-Size-Fits-All”: Estimating Driver Attention with Physiological Clustering and LSTM Models. Electronics. 14. 4655. 10.3390/electronics14234655. https://www.researchgate.net/publication/398016766_Beyond_One-Size-Fits-All_Estimating_Driver_Attention_with_Physiological_Clustering_and_LSTM_Models

Peña Arias, Juan & Negroni, Alanis & Martínez García, Diego & Vásquez, Evelyn & Medina Lee, Juan Felipe. (2025). Comparative Study of Hands-on-Wheel Detection Using Wearable LSTM and Camera-Based Vision Models for Driver Monitoring. https://www.researchgate.net/publication/394971759_Comparative_Study_of_Hands-on-Wheel_Detection_Using_Wearable_LSTM_and_Camera-Based_Vision_Models_for_Driver_Monitoring

Medina-Lee, J. F., Trentin, V., Hortelano, J. L., Artuñedo, A., Godoy, J., & Villagra, J. (2023). Framework for online motion planning using interaction-aware motion predictions in complex driving situations. IEEE Transactions on Intelligent Vehicles, 9(1), 357–371. https://scholar.google.com/citations?user=msHivBcAAAAJ&hl=es

Medina Sánchez, Rafael
Electrical Engineering
profile picture of Rafael Medina
Field of Specialization
  • Microwave and radar systems
  • Phased array antennas
  • RF microelectronics
Contact Info

Email: rafael.medina1@upr.edu

Office: OF-332

Phone: (787) 832-4040 ext. 6199

Significant Publications
SIGNIFICANT PUBLICATIONS

Salazar, J.L., Medina, R., Knapp, E.J., McLaughlin, D.J. (2008). Phase-tilt array antenna design for dense distributed radar networks for weather sensing. IGARSS 2008 – IEEE International Geoscience and Remote Sensing Symposium.

Salazar-Cerreño, J.L., Chandrasekar, V., Trabal, J.M., Siquera, P., Medina, R., … (2014). A drop size distribution (DSD)-based model for evaluating the performance of wet radomes for dual-polarized radars. Journal of Atmospheric and Oceanic Technology, 31(11), 2409–2430.

Salazar, J.L., Medina, R.H., Loew, E. (2015). T/R modules for active phased array radars. 2015 IEEE Radar Conference (RadarCon), 1125–1133.

Méndez Román, Rafael
Chemical Engineering
Profile picture of Rafael Mendez
Field of Specialization
  • Pharmaceutical engineering
  • Process control
Contact Info

Email: rafael.mendez1@upr.edu

Office:  IQ-205-J

Phone: (787) 832-4040 ext. 3585

Significant Publications
SIGNIFICANT PUBLICATIONS

Méndez-Román, R., & Vélez-Reyes, M. (2003). Nonlinear model predictive control using neural networks. IEEE Transactions on Systems, Man, and Cybernetics, Part B (Cybernetics), 33(3), 408–419. https://doi.org/10.1109/TSMCB.2003.811144  

Méndez-Román, R., Vélez-Reyes, M., & Arce, G. R. (2002). Nonlinear system identification using multilayer perceptrons with feedback. IEEE Transactions on Neural Networks, 13(2), 293–300. https://doi.org/10.1109/72.991427   

Méndez-Román, R., Vélez-Reyes, M., & Arce, G. R. (2001). Adaptive control of nonlinear systems using neural networks. Proceedings of the IEEE International Symposium on Intelligent Control, 121–126. https://doi.org/10.1109/ISIC.2001.955098  

Montalvo Castro, Hansel
Chemical Engineering
Profile picture of Hansel Montalvo
Field of Specialization
  • DFT Calculations & Reaction Pathways
  • Heterogeneous Catalysis & Catalytic Descriptors
  • Zeolites & Phosphides
  • Metal Oxides, Methanol-to-Olefins & Oxidative Dehydrogenation
  • Polyoxometalates & Methanol Dehydration
  • Biomass Conversion
Contact Info

Email: hansel.montalvo@upr.edu

Office: IQ-205-K

Significant Publications
SIGNIFICANT PUBLICATIONS

DFT+U calculations on substitutionally doped (Ni, Cu, Zn) Mg-vanadate surfaces for the oxidative dehydrogenation of alkanes. Journal of Catalysis, July 14, 2025.

Electronic and geometric features controlling the reactivity of Mg-vanadate and V₂O₅ surfaces toward the initial C–H activation of C₁–C₃ alkanes – A DFT+U study. Journal of Catalysis, October 18, 2024.

Synthetic placement of active sites in MFI zeolites for selective toluene methylation to para-xylene. Journal of the American Chemical Society, April 4, 2024.

Montejo Valencia, Luis
Civil Engineering and Surveying
Profile picture of Luis Montejo
Field of Specialization
  • Structural engineering
  • Geotechnical earthquake engineering
  • Signal processing
  • Health monitoring
Contact Info

Email: luis.montejo@upr.edu

Office: OF-409

Phone: (787) 832-4040 ext. 5918

Significant Publications
SIGNIFICANT PUBLICATIONS

Montejo, L., & Peralta, L. (2025). Seismic assessment of informally designed 2-floor RC houses: Lessons from the 2020 Southern Puerto Rico earthquake sequence. ACS Applied Materials & Interfaces, 15(18), 22112–22122.

Montejo, L., & Vidot-Vega, A. L. (2025). On the development of power spectral density functions compatible with response spectra. Proceedings of the ASCE Conference, July 2025.

Montejo, L. (2025). Generation of response spectrum compatible records satisfying a minimum power spectral density function. Environmental Science: Water Research & Technology, 7(12), 2231–2240.

Mora Navarro, Camilo
Chemical Engineering
Profile picture of Camilo Mora
Field of Specialization
  • Extracellular matrix scaffold production
  • Protein expression and purification
  • Stem cells and cytocompatibility assessment
  • Molecular biology
About

Dr. Camilo Mora Navarro directs the The Biomaterials and Biomacromolecules Research & Technologies Lab (BioMa2RT Lab). Its research focuses on engineering technologies using extracellular matrix (ECM) biomacromolecules for applications in biosensing, regenerative medicine, and the development of bio-instructive materials.

Contact Info

Email: camilo.mora@upr.edu

Office: IQ-205-G

Phone: (787) 832-4040 ext. 6816

Significant Publications
SIGNIFICANT PUBLICATIONS

Herrera-Posada, S., Mora-Navarro, C., Ortiz-Bermudez, P., Torres-Lugo, M., McElhinny, K. M., Evans, P. G., Calcagno, B. O., & Acevedo, A. (2016). Magneto-responsive liquid crystalline elastomer nanocomposites as potential candidates for dynamic cell culture substrates. Materials Science and Engineering C, 65, 369–378. https://doi.org/10.1016/j.msec.2016.04.063

Biehl, A., Martins, A. M. G., Davis, Z. G., Sze, D., Collins, L., Mora-Navarro, C., Fisher, M. B., & Freytes, D. O. (2022). Towards a standardized multi-tissue decellularization protocol for the derivation of extracellular matrix materials. Biomaterials Science, 11(2), 641–654. https://doi.org/10.1039/d2bm01012g

Mora-Navarro, C., Garcia, M. E., Sarker, P., Ozpinar, E. W., Enders, J. R., Khan, S., Branski, R. C., Freytes, D. O., Mora-Navarro, C., Garcia, M. E., Sarker, P., Ozpinar, E. W., Enders, J. R., Khan, S., Branski, R. C., & Freytes, D. O. (2021). Monitoring decellularization via absorbance spectroscopy during the derivation of extracellular matrix scaffolds. Biomedical Materials, 17(1), 015008. https://doi.org/10.1088/1748-605x/ac361f

Muñoz Barreto, Jonathan
Civil Engineering and Surveying
Profile picture of Jonathan Muñoz
Field of Specialization
  • Hydrology
  • Remote sensing
  • Meteorology
  • Flood modeling
Contact Info

Email: jonathan.munoz@upr.edu

Office: CI-015

Phone: (787) 832-4040 ext. 6345

Significant Publications
SIGNIFICANT PUBLICATIONS

Hosannah, N., Ramamurthy, P., Martí, J., González, J. E., & Muñoz Barreto, J. (2021). Impacts of Hurricane Maria on land and convection modification over Puerto Rico. Journal of Geophysical Research: Atmospheres, 126(2), e2020JD033506. https://doi.org/10.1029/2020JD033506

Tirado-Corbala, R., Román-Paoli, E., & Muñoz Barreto, J. (2021). Fertilization and precise irrigation scheduling for mature avocado. Agricultural Water Management, 243, 106444. https://doi.org/10.1016/j.agwat.2020.106444

Nuñez-Olivieri, J., Muñoz Barreto, J., Tirado-Corbala, R., & Fisher, A. (2017). Comparison and downscale of AMSR2 soil moisture products with in situ measurements from the SCAN–NRCS network over Puerto Rico. Remote Sensing, 9(9), 936. https://doi.org/10.3390/rs9090936

O
Ortiz Rivera, Eduardo I
Electrical Engineering
Profile Picture of Eduardo Ortiz
Field of Specialization
  • Nonlinear control
  • Power electronics
  • Modeling of photovoltaic systems
  • Renewable energy
  • Power supplies for satellites
About

Dr. Eduardo I. Ortiz-Rivera is a full professor in the Department of Electrical and Computer Engineering at UPRM and leads the Minds2CREATE Research Team, which focuses on renewable energy, autonomous vehicles, robotics, and power electronics research.

Contact Info

Email: eduardo.ortiz7@upr.edu

Office: SA-513

Phone: (787) 832-4040 ext. 6282

SIGNIFICANT PUBLICATIONS

Peng, F. Z., Joseph, A., Wang, J., Shen, M., Chen, L., Pan, Z., & Ortiz-Rivera, E. I. (2005). Z-source inverter for motor drives. IEEE Transactions on Power Electronics, 20(4), 857–863. https://www.researchgate.net/publication/3280746_Z-Source_Inverter_for_Motor_Drives

Ortiz-Rivera, E. I., & Peng, F. Z. (2005). Analytical model for a photovoltaic module using the electrical characteristics provided by the manufacturer data sheet. In Proceedings of the 2005 IEEE 36th Power Electronics Specialists Conference* (pp. 2087–2091). IEEE. https://doi.org/10.1109/PESC.2005.1581879

Balaguer-Álvarez, I. J., & Ortiz-Rivera, E. I. (2010). Survey of distributed generation islanding detection methods. IEEE Latin America Transactions, 8(5), 565–570. https://www.researchgate.net/publication/242145056_SurveyofDistributedGenerationSystemsIslanding_DetectionMethods

Orama Exclusa, Lionel
Electrical Engineering
Profile picture of Lionel Orama
Field of Specialization
  • Electrical Discharges in Vacuum and Gases
  • Vacuum Switching Technology
  • Fields Stress Analysis in Electric Power Devices
  • Power Systems Transients
  • Alternative Energy Sources
  • Distributed Generation
  • Power Systems Protection
Contact Info

Email: lionel.orama@upr.edu

Office: SA-410

Phone: (787) 832-4040 ext. 3604

SIGNIFICANT PUBLICATIONS

Pu Giraldo-Castañeda, C. A., & Orama, L. R. (2008). Selective hopping maximum power point tracking method for PV systems. Solar Energy, (Nov 2008).

Vega, M. A., Colom, J. G., & Orama, L. R. (2006, September). Student developed meteorological radar network for Western Puerto Rico. In Conference Paper.

Rodriguez-Medina, B., Orama, L. R., & Velez-Reyes, M. (2003, October). Arc model parameter extraction techniques using nonlinear least squares. In Conference Paper.

Ortiz Bermúdez, Patricia
Chemical Engineering
Profile picture of Patricia Ortiz
Field of Specialization
  • Biocatalysts for lignocellulose degradation
  • Synthesis of antimicrobial nanoparticles
  • Microbial technology,
  • Biomaterials
Contact Info

Email: patricia.ortiz3@upr.edu

Office: IQ 205MA

Phone: 787-832-4040 Ext. 3209

SIGNIFICANT PUBLICATIONS

Ortiz-Bermúdez, P., Srebotnik, E., & Hammel, K. E. (2003). Absence of mineral inhibition in enzymatic oxidation of Mn(II) by manganese peroxidase. Archives of Biochemistry and Biophysics, 409(2), 297–304. https://doi.org/10.1016/S0003-9861(02)00601-9

Ortiz-Bermúdez, P., Houtman, C. J., & Hammel, K. E. (2003). Lignin peroxidase oxidizes sinapyl alcohol to a sinapaldehyde-like product. FEBS Letters, 539(1–3), 103–108. https://doi.org/10.1016/S0014-5793(03)00184-6

Ortiz-Bermúdez, P., & Hammel, K. E. (2006). Oxidation of methoxylated aromatic compounds by fungal peroxidases. Applied and Environmental Microbiology, 72(7), 4368–4374. https://doi.org/10.1128/AEM.00463-06

O'Neill Carrillo, Efrain
Electrical Engineering
Profile picture of Efrain Oneill
Field of Specialization
  • Sustainability & Renewable energy
  • Distributed energy resources
  • Microgrids
  • Power quality & Power distribution systems
  • Energy resilience
  • Energy policy
Contact Info

Email: : efrain.oneill@upr.edu

Office: S-212

Phone: (787) 832-4040 ext. 5843

SIGNIFICANT PUBLICATIONS

R. Calloquispe-Huallpa, R. Darbali-Zamora, A. Huaman-Rivera, E. E. Aponte-Bezares, A. M. Wachtel and E. O’Neill-Carrillo, “OpenDss to ReNCAT: A Graph Theory Approach for Automated Power Network Data Extraction,” 2025 IEEE 53rd Photovoltaic Specialists Conference (PVSC), Montreal, QC, Canada, 2025, pp. 1239-1245. https://ieeexplore.ieee.org/document/11132605

O’Neill-Carrillo, E., & Irizarry-Rivera, A. (2001). Energy efficiency and demand-side management in Puerto Rico. *IEEE Transactions on Power Systems, 16*(4), 889–893. https://doi.org/10.1109/59.962423

O’Neill-Carrillo, E., & Ortiz-Rivera, E. I. (2000). Distributed generation and renewable energy integration in island power systems. *IEEE Power Engineering Society Summer Meeting, 3*, 1531–1536. https://doi.org/10.1109/PESS.2000.868728

P
Padilla Cestero, Ingrid Y.
Civil Engineering and Surveying
Profile picture of Ingrid Padilla
Field of Specialization
  • Environmental engineering
  • Groundwater flow and transport modeling
  • Water resources
Contact Info

Email: ingrid.padilla@upr.edu

Office: CL-005

Phone: (787) 832-4040 ext. 3417

SIGNIFICANT PUBLICATIONS

Padilla Cestero, I. Y. (2015). Equivalent Porous Media (EPM) Simulation of Groundwater Hydraulics and Contaminant Transport in Karst Aquifers. PLOS ONE. https://doi.org/10.1371/JOURNAL.PONE.0138954

Padilla Cestero, I. Y. Electromagnetic Detection and Digital Visualization of Dnapl Contaminants in a Two-Dimmensional Soilbed. https://doi.org/10.4081/JEAR.2020.9529

Padilla Cestero, I. Y. (2008). Urinary Phthalate Metabolite Concentrations among Workers in Selected Industries: A Pilot Biomonitoring Study. Annals of Occupational Hygiene. https://doi.org/10.1093/ANNHYG/MEN066

Padovani Blanco, Agnes
Chemical Engineering
Picture of Agnes Padovani Blanco
Field of Specialization
  • Nanotechnology
  • Materials Science
  • STEM Education
  • Interfacial Phenomena
About

Dr. Agnes Padovani serves as Co-Director and Education Director of the NSF-CREST Nanotechnology Center for Biomedical, Environmental, and Sustainability Applications (NSF-CREST), where she leads initiatives integrating research and STEM education throughout Puerto Rico.

Contact Info

Email: agnes.padovani@upr.edu

Office: OF 319

Phone: (787) 832-4040 ext. 6185

SIGNIFICANT PUBLICATIONS

Padovani Blanco, A. M., Alvarez, J. E., Pomales-Garcia, C. D., Suarez, O. M., & Perales, O. J. (2018). The Mayagüez Nanotechnology Center: 10 Years of Transformative Impact on Interdisciplinary Research – The Highlights. Journal of Nanotechnology Education.

Pomales-Garcia, C. D., Suarez, O. M., Padovani Blanco, A. M., & Alvarez, J. E. (2018). A Successful Pre-college Nanotechnology Experience for Low-income Students (Evaluation). Proceedings of the ASEE Annual Conference & Exposition, Salt Lake City, Utah. https://doi.org/10.18260/1-2–29732

Padovani Blanco, A. M., et al. (2018). UPR-Mayagüez Nanotechnology Center: 10 Years of Transformative Impact on STEM Education and Research Across the Academic Echelon. Proceedings of the Annual Biomedical Research Conference for Minority Students (ABRCMS). 10(2), 915–926. doi:10.1016/j.cstp.2022.03.005

Pagán Torres, Yomaira
Chemical Engineering
Profile picture of Yomaria Pagan
Field of Specialization
  • Heterogeneous catalysis
  • Kinetic and reaction engineering
  • Catalytic nanomaterial synthesis
  • Renewable energy
  • Sustainability
Contact Info

Email:  yomairaj.pagan@upr.edu

Office:  IQ-207-E

Phone: (787) 832-4040 ext. 3589

Webpage: Pagan Torres Lab

SIGNIFICANT PUBLICATIONS

Pagan-Torres, Y., Wang, B., Albarracín-Suazo, S., & Nikolla, E. (2017). Advances in methane conversion processes. *Catalysis Science & Technology, 7*(8), 2781–2801. https://doi.org/10.1039/C7CY00615H 

Pagan-Torres, Y., Wang, T., Combs, E., Shanks, B. H., & Dumesic, J. A. (2012). Production of 5-hydroxymethylfurfural from glucose using a combination of Lewis and Brønsted acid catalysts in water in a biphasic reactor with an alkylphenol solvent. *ACS Catalysis, 2*(6), 930–934. https://doi.org/10.1021/cs300220f 

Pagan-Torres, Y., Gallo, J. M. R., Wang, D., Shanks, B. H., & Dumesic, J. A. (2012). Catalytic conversion of biomass using solvents derived from lignin. *Green Chemistry, 14*(2), 307–313. https://doi.org/10.1039/C1GC15738A 

Pagán Trinidad, Ismael
Civil Engineering and Surveying
Profile picture of Ismael Pagan
Field of Specialization
  • Transportation technology
  • Natural hazards
  • Water resources
About

Dr. Ismael Pagán Trinidad is the Director of the Civil Infrastructure Research Center (CIRC) at the University of Puerto Rico, Mayagüez, and oversees research initiatives in civil and coastal engineering.

Contact Info

Email: ismael.pagan@upr.edu

Office: CI-011C

Phone: (787) 832-4040 ext. 3496, 6744

SIGNIFICANT PUBLICATIONS

Villanueva, Evelyn & Rpg, & Pittman, David & Director, Phd & Ruiz, Carlos & Pagán-Trinidad, Ismael & Chair,. (2006). ERDC/UPRM Partnership: A Model for Educational and Research Initiatives. 21-23.

Papadopoulos, Christopher
Civil Engineering and Survey
Profile picture of Christopher Papadopoulos
Field of Specialization
  • Structural mechanics
  • Biomechanics
  • Engineering ethics
  • Engineering education
  • Sustainability
Contact Info

Email: christopher.papadopoulos@upr.edu

SIGNIFICANT PUBLICATIONS

Healey, T. J., & Papadopoulos, C. (2013). Bifurcation of hemitropic elastic rods under axial thrust. Manuscript. https://www.ams.org/journals/qam/2013-71-04/S0033-569X-2013-01308-7/S0033-569X-2013-01308-7.pdf

Tabatabai, H., Oliver, D., Rohrbaugh, J. W., & Papadopoulos, C. (2013). Novel applications of laser Doppler vibration measurements to medical imaging. Manuscript. https://pubmed.ncbi.nlm.nih.gov/24764800/

Papadopoulos, C., Tabatabai, H., & Buechel, C. (2005). Investigation of a model vertical motion liquid damper: Comparing numerical simulation and experimental evidence. Manuscript.

Patarroyo Montenegro, Juan F.
Computer Science and Engineering
Profile picture Of Juan Patarroyo
Field of Specialization
  • Robotics & Electronics
  • Embedded systems
  • Automated Systems
  • Computer Engineering
  • Low level architectures
Contact Info

Email: juan.patarroyo@upr.edu

Office: OF-330

Phone: (787) 832-4040 ext. 5952

SIGNIFICANT PUBLICATIONS

Shah, C., Vasquez-Plaza, J. D., Campo-Ossa, D. D., & Patarroyo-Montenegro, J. F. (2020). Review of dynamic and transient modeling of power electronic converters for converter dominated power systems. IEEE Access, 9, 104. https://doi.org/10.1109/ACCESS.2020.3041234

Patarroyo-Montenegro, J. F., Andrade, F., Guerrero, J. M., & Vasquez, J. C. (2020). A linear quadratic regulator with optimal reference tracking for three-phase inverter-based islanded microgrids. IEEE Transactions on Power Electronics, 35(8), 8020–8031. https://doi.org/10.1109/TPEL.2020.2971234

Patarroyo-Montenegro, J. F., Salazar-Duque, J. E., Alzate-Drada, S. I., & others. (2018). An AC microgrid testbed for power electronics courses in the University of Puerto Rico at Mayagüez. 2018 IEEE ANDESCON, 1–6. https://doi.org/10.1109/ANDESCON.2018.8564632