Juan M. Rey
ASSISTANT PROFESSOR, UIS
RESEARCH team
This is my research team. If you are interested in joining us, please contact me: juanmrey@uis.edu.co
PhD students

David is working on designing control strategies for grid-connected three-phase inverters with LVRT capabilities to increase system stability and reliability. He is currently studying current reference generators that simultaneously consider operative control objectives such as current limitation, optimal voltage support, mitigation of DC oscillations, among others.
[paper_01] [paper_02] [conference_01] [conference_02]
[research_stay: Université de Lorraine (France)]
[research_stay: University of Toronto (Canada)]
Advisors: Maria M. Mantilla, J. M. Rey, and M. Garnica.
David Rincón-Adarme, PhD Student.

Juan is working on modeling the occupancy in institutional buildings for optimal energy management. He is studying how to use low-cost sensors, variable classification techniques and novel algorithms to predict occupancy behaviour in order to minimize building energy consumption (e.g., the use of HVAC) while guaranteeing the users' comfort.
[Award: Digital Green Talent 2024]🥇
Advisors UIS: Juan M. Rey, German Osma-Pinto
Advisor UQTR: Kodjo Agbossou
Email: ing.juan9707@gmail.com
Juan Diego Caballero, PhD Student. (Double degree UIS+UQTR (Canada))
Master students

Alejandro is working on the design and implementation of an IoT solution for the monitoring and control of a plant nursery. The application is located at UIS campus, and is used for research purposes. This system will be integrated with an IIoT based cyber-physical module for learning processes related to Industry 4.0.
Advisors: J. Solano, and Juan M. Rey.
Email: aortizsuarez92@gmail.com
Alejandro Ortiz Suarez, MS Student.

Óscar is working on the design and evaluation of a reinforcement learning based strategie to regulate tap setting of voltage transformers in distribution systems.
[research_stay: University of Sherbrooke (Canada)]
Advisors: Juan M. Rey and Maria A. Mantilla.
Email: oskar2141648@gmail.com
Óscar Galvis, MS Student.
.jpg)
Mauricio is developing a Hardware-in-the-Loop (HIL) simulator for grid-connected wind generators evaluation, using low power converters.
[conference_01] [conference_02]
[research_stay: University of Sherbrooke (Canada)]
Advisors: Maria A. Mantilla. and Juan M. Rey.
Email: mauro.bp12@gmail.com
Mauricio Bautista, MS Student.
.png)
Sergio Brito, MS Student.
Sergio is developing a Hardware-in-the-Loop (HIL) simulator for electrical distribution systems, using low power converters.
Advisors: Johann F. Petit, Maria A. Mantilla and Juan M. Rey.

Juliam Díaz, MS Student.
Juliam is evaluating the performance of different unified namespace (UNS) techniques for IIoT applications. Particularly, he is applying the MQTT Sparkplug B protocol, using an IIoT training platform developed by our research group.
Advisors: Juan M. Rey.
Email: juliamdiaz9@gmail.com

Joaquín Delgado, MS Student.
Joaquín is designing an induction motor fault diagnosis solution. For this, he is training an ML algorithm using industrial databases. The solution will allow the remote visualization using an IIoT (industrial IoT) cloud-based interface.
Advisors: Juan M. Rey, Carlos Fajardo.

Jhon Héctor Sandoval, MS Student.
Jhon is designing and implementing a cyber-physical IoT module to simulate the operation of distribution systems with multiple microgrids. This module will allow for a more realistic environment compared to purely software simulation environments.
Advisors: Juan M. Rey, César Duarte
Email: sandovaljhon70@gmail.com

Camilo Carrillo, MS Student.
Camilo is evaluating the impact that dynamic operating envelopes (DOE) have on retail pricing in distribution systems.
Advisors: Iván Serna and Juan M. Rey.
Email: camiloecv@yahoo.com
_edited_edited.jpg)
Aldo Rizo, MS Student.
_edited.jpg)
Nicolás Marín, MS Student.

Norbey Infante, MS Student.
New student.
Advisors: Juan M. Rey.
Email: ...

Sergio Uribe, MS Student.
Alumni
(2025) Felipe Rubio, Master in Telecommunications Engineering.
IIoT-based monitoring system for the CASIRI radio astronomy station using the Sparkplug B MQTT protocol
[conference_01] [research_stay: École de technologie supérieure ETS (Canada)]
Advisors: Juan M. Rey, Julián Rodríguez, and Germán Osma-Pinto
(2025) Andrés Salinas Cala, Master in Electronics Engineering.
Secondary control strategy without communications for isolated microgrids with unbalanced loads [conference_01] [paper_01]
Advisors: Juan M. Rey, Maria A. Mantilla, and J. Solano.
(2025) Wilmar Sotelo, Master in Electronics Engineering.
Control of grid-connected PV inverters during voltage sags considering harmonic distortions [paper_01] [conference_01]
[research_stay: at Université du Québec à Trois-Rivières UQTR (Canada)]
Advisors: David Rincón-Adarme, Maria A. Mantilla, and Juan M. Rey,
(2024) Tania Castellanos, Master in Electronics Engineering.
Development of a hardware-in-the-loop grid-connected PV system simulator [conference_01] [conference_02]
[research_stay: Université de Sherbrooke (Canada)]
Advisors: Juan M. Rey and Maria A. Mantilla.
(2024 🎗) Jonathan Gómez, Master in Telecommunications Engineering.
Design and implementation of an IIoT system for the monitoring and control of an experimental electrical microgrid [conference_01] [paper_01]
[research_stay: Université du Québec à Rimouski UQAR (Canada)]
Advisors: Juan M. Rey, and Javier Solano.
(2024) Jersson García, García, Master in Electrical Engineering. Project pitch
Study of the capabilities of a laboratory microgrid [paper_01] [paper_02] [conference_01]
[research_stay: École de Technologie Supérieure ETS (Canada)]
Advisors: German Osma-Pinto, and Juan M. Rey
(2024) Juan Diego Duarte, Master in Electrical Engineering.
Comparative study of control strategies in permanent magnet synchronous motors for sustainable mobility applications [paper_01]
Advisors: Oscar Quiroga and Juan M. Rey
(2023) Ingrid Moreno-Celis, Master in Electrical Engineering.
Flexible current control for PV systems with voltage sag operation capability [conference_01]
Advisors: Maria A. Mantilla, Juan M. Rey and David Rincón-Adarme
(2022) Iván Jiménez-Vargas, Master in Electrical Engineering. Project pitch
Sizing of Microgrids Considering Life Cycle Analysis [paper_01] [paper_02]
Advisors: Germán Osma-Pinto, and Juan M. Rey