All Outputs (24)

Electricity Generation under the Climate Change Situation in Latin America: Trends and Challenges (2024)
Journal Article
Undurraga, J. P., Rivera, M., Cossutta, P., Garcés, A., Ayala, M., García, L. Y., & Wheeler, P. (2024). Electricity Generation under the Climate Change Situation in Latin America: Trends and Challenges. International Journal of Energy Economics and Policy, 14(2), 535-545. https://doi.org/10.32479/ijeep.15226

In a scenario of energy inequality, countries require stability for development and quality of life for their inhabitants. This paper addresses the reality of access to electrical energy and the effect of climate change on the potential of renewables... Read More about Electricity Generation under the Climate Change Situation in Latin America: Trends and Challenges.

A Review on Weighting Factor Design of Finite Control Set Model Predictive Control Strategies for AC Electric Drives (2024)
Journal Article
Zerdali, E., Rivera, M., & Wheeler, P. (2024). A Review on Weighting Factor Design of Finite Control Set Model Predictive Control Strategies for AC Electric Drives. IEEE Transactions on Power Electronics, https://doi.org/10.1109/tpel.2024.3370550

Model predictive control has been widely applied to AC electric drives over the last decade. Despite the proposed solutions, researchers are still seeking to find more effective solutions for weighting factor design, parameter dependency, current/tor... Read More about A Review on Weighting Factor Design of Finite Control Set Model Predictive Control Strategies for AC Electric Drives.

A metaheuristic-based method for photovoltaic temperature computation under tropical conditions (2024)
Journal Article
Osorio, L., Moreno, M., Rivera, M., Tuninetti, V., Ruíz Chavarria, G., Duchêne, L., & Wheeler, P. (2024). A metaheuristic-based method for photovoltaic temperature computation under tropical conditions. Solar Energy, 271, Article 112414. https://doi.org/10.1016/j.solener.2024.112414

Tropical climates have favorable irradiation levels for the development of photovoltaic systems; however, high temperatures have a negative impact on the efficiency of solar cells. Since direct measurement of cell temperature is not common, mathemati... Read More about A metaheuristic-based method for photovoltaic temperature computation under tropical conditions.

Improved Feedback Quantizer with Discrete Space Vector (2024)
Journal Article
Veillon, M., Espinosa, E., Melin, P., Mirzaeva, G., Rivera, M., Baier, C. R., & Ramirez, R. O. (2024). Improved Feedback Quantizer with Discrete Space Vector. Sensors, 24(1), Article 287. https://doi.org/10.3390/s24010287

The use of advanced modulation and control schemes for power converters, such as a Feedback Quantizer and Predictive Control, is widely studied in the literature. This work focuses on improving the closed-loop modulation scheme called Feedback Quanti... Read More about Improved Feedback Quantizer with Discrete Space Vector.

A Smart Crop Water Stress Index-Based IoT Solution for Precision Irrigation of Wine Grape (2023)
Journal Article
Fuentes-Peñailillo, F., Ortega-Farías, S., Acevedo-Opazo, C., Rivera, M., & Araya-Alman, M. (2024). A Smart Crop Water Stress Index-Based IoT Solution for Precision Irrigation of Wine Grape. Sensors, 24(1), Article 25. https://doi.org/10.3390/s24010025

The Scholander-type pressure chamber to measure midday stem water potential (MSWP) has been widely used to schedule irrigation in commercial vineyards. However, the limited number of sites that can be evaluated using the pressure chamber makes it dif... Read More about A Smart Crop Water Stress Index-Based IoT Solution for Precision Irrigation of Wine Grape.

Enhanced Dual–Vector Model Predictive Control for PMSM Drives Using the Optimal Vector Selection Principle (2023)
Journal Article
Huang, Z., Wei, Q., Xiao, X., Xia, Y., Rivera, M., & Wheeler, P. (2023). Enhanced Dual–Vector Model Predictive Control for PMSM Drives Using the Optimal Vector Selection Principle. Energies, 16(22), Article 7482. https://doi.org/10.3390/en16227482

The Dual–Vector model predictive control (DV–MPC) method can improve the steady–state control performance of motor drives compared to using the single–vector method in one switching cycle. However, this performance enhancement generally increases the... Read More about Enhanced Dual–Vector Model Predictive Control for PMSM Drives Using the Optimal Vector Selection Principle.

Impact of Grid Unbalances on Electric Vehicle Chargers (2023)
Journal Article
Alwahaibi, S., Wheeler, P., Rivera, M., & Ahmed, M. R. (2023). Impact of Grid Unbalances on Electric Vehicle Chargers. Energies, 16(17), Article 6201. https://doi.org/10.3390/en16176201

There is a global trend to reduce emissions from cars through the adoption of other alternatives, such as electric vehicles (EVs). The increasing popularity of EVs has led to a growing demand for electric vehicle chargers. EV chargers are essential f... Read More about Impact of Grid Unbalances on Electric Vehicle Chargers.

A Detailed dSPACE-Based Implementation of Modulated Model Predictive Control for AC Microgrids (2023)
Journal Article
Villalón, A., Muñoz, C., Muñoz, J., & Rivera, M. (2023). A Detailed dSPACE-Based Implementation of Modulated Model Predictive Control for AC Microgrids. Sensors, 23(14), Article 6288. https://doi.org/10.3390/s23146288

Microgrids represent a promising energy technology, because of the inclusion in them of clean and smart energy technologies. They also represent research challenges, including controllability, stability, and implementation. This article presents a dS... Read More about A Detailed dSPACE-Based Implementation of Modulated Model Predictive Control for AC Microgrids.

A Single Phase Hybrid Multiport Microinverter for Photovoltaic Energy Controlled by Exact Linearization (2023)
Journal Article
Aliaga, R., Muñoz, J., Rivera, M., Wheeler, P., Rohten, J., & Trentin, A. (2023). A Single Phase Hybrid Multiport Microinverter for Photovoltaic Energy Controlled by Exact Linearization. IEEE Access, 11, 50075-50089. https://doi.org/10.1109/ACCESS.2023.3278099

Solar energy can be captured by Photovoltaics (PV) and converted into electrical power. This electrical power can then be connected to grids by power electronic converters, which can also operate the PV panels at around their maximum power point (MPP... Read More about A Single Phase Hybrid Multiport Microinverter for Photovoltaic Energy Controlled by Exact Linearization.

Comparison of FCS-MPC Strategies in a Grid-Connected Single-Phase Quasi-Z Source Inverter (2023)
Journal Article
Saavedra, J. L., Baier, C. R., Marciel, E. I., Rivera, M., Carreno, A., Hernandez, J. C., & Melín, P. E. (2023). Comparison of FCS-MPC Strategies in a Grid-Connected Single-Phase Quasi-Z Source Inverter. Electronics, 12(9), Article 2052. https://doi.org/10.3390/electronics12092052

This paper compares two finite-control-set model predictive control (FCS-MPC) strategies in the context of a grid-connected single-phase quasi-Z source inverter (SP-qZSI). Both schemes use discrete-time models of the inductor current and capacitor vo... Read More about Comparison of FCS-MPC Strategies in a Grid-Connected Single-Phase Quasi-Z Source Inverter.

Application of Spectrometry for Determining the Solar Radiation of Deciduous Trees’ Shade: A Passive Energy Conservation Approach for Mediterranean Climates (2023)
Journal Article
del Campo-Hitschfeld, M. L., Arenas, N., Rivera, M., & Ballesteros-Pérez, P. (2023). Application of Spectrometry for Determining the Solar Radiation of Deciduous Trees’ Shade: A Passive Energy Conservation Approach for Mediterranean Climates. Buildings, 13(5), Article 1130. https://doi.org/10.3390/buildings13051130

Deciduous trees are well known for controlling solar gains in buildings, contributing to energy savings in a sector that consumes 35% of global energy. However, there is still a lack of information about the real thermal impact that deciduous trees h... Read More about Application of Spectrometry for Determining the Solar Radiation of Deciduous Trees’ Shade: A Passive Energy Conservation Approach for Mediterranean Climates.

A Review of Communication Protocols and Control Strategies in DC Microgrids: An experimental validation focus (2023)
Conference Proceeding
Véliz, A., Riffo, S., Rivera, M., Restrepo, C., Garcés-Ruiz, A., & Chub, A. (in press). A Review of Communication Protocols and Control Strategies in DC Microgrids: An experimental validation focus.

Given the growing presence of microgrids, it is necessary to investigate how communication protocols impact their behavior. The study of DC microgrid topologies is of great importance due to their fast proliferation and the fact that they allow for q... Read More about A Review of Communication Protocols and Control Strategies in DC Microgrids: An experimental validation focus.

Alternative Feedback Quantizer Using Space Vector Modulation (2023)
Conference Proceeding
Veillon, M., Espinosa, E., Lizana, R., Melin, P., Mirzaeva, G., Rivera, M., & Sepulveda, N. (2023). Alternative Feedback Quantizer Using Space Vector Modulation. In 2023 IEEE International Conference on Industrial Technology (ICIT). https://doi.org/10.1109/ICIT58465.2023.10143170

Feedback Quantizer (FBQ) is a closed-loop modulation scheme with low harmonic content at low frequency and good tracking of the voltage reference at fundamental frequency. A good modulation scheme to be applied in transformer dependent systems that a... Read More about Alternative Feedback Quantizer Using Space Vector Modulation.

Moving Microgrid Hierarchical Control to an SDN-Based Kubernetes Cluster: A Framework for Reliable and Flexible Energy Distribution (2023)
Journal Article
Pérez, R., Rivera, M., Salgueiro, Y., Baier, C. R., & Wheeler, P. (2023). Moving Microgrid Hierarchical Control to an SDN-Based Kubernetes Cluster: A Framework for Reliable and Flexible Energy Distribution. Sensors, 23(7), Article 3395. https://doi.org/10.3390/s23073395

Software Defined Networking (SDN) is a communication alternative to increase the scalability and resilience of microgrid hierarchical control. The common architecture has a centralized and monolithic topology, where the controller is highly susceptib... Read More about Moving Microgrid Hierarchical Control to an SDN-Based Kubernetes Cluster: A Framework for Reliable and Flexible Energy Distribution.

Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis (2022)
Journal Article
Perez Guzman, R. E., Rivera, M., Wheeler, P., Mirzaeva, G., Espinosa, E. E., & Rohten, J. A. (2022). Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis. IEEE Access, 10, 111389-111405. https://doi.org/10.1109/ACCESS.2022.3215434

Hierarchical control is a widely used strategy that can increase resilience and improve the reliability of the electrical network based on microgrid global variables. Large amounts of data required during transitions prompt the use of more reliable a... Read More about Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis.

Predictive Control Applied to Matrix Converters: A Systematic Literature Review (2022)
Journal Article
Toledo, S., Caballero, D., Maqueda, E., Cáceres, J. J., Rivera, M., Gregor, R., & Wheeler, P. (2022). Predictive Control Applied to Matrix Converters: A Systematic Literature Review. Energies, 15(20), Article 7801. https://doi.org/10.3390/en15207801

Power electronic devices play an important role in energy conversion. Among the options, matrix converters, in combination with predictive control, represent a good alternative for the power conversion stage. Although several reviews have been undert... Read More about Predictive Control Applied to Matrix Converters: A Systematic Literature Review.

Comparative Study of Classical and MPC Control for Single-Phase MMC Based on V-HIL Simulations (2021)
Journal Article
Majstorovic, M., Rivera, M., Ristic, L., & Wheeler, P. (2021). Comparative Study of Classical and MPC Control for Single-Phase MMC Based on V-HIL Simulations. Energies, 14(11), Article 3230. https://doi.org/10.3390/en14113230

The operation of single-phase Modular Multilevel Converter (MMC) is analyzed in the paper. A mathematical model of the converter is developed and described, based on which the structure and selection of parameters for Classical Control and Optimal Sw... Read More about Comparative Study of Classical and MPC Control for Single-Phase MMC Based on V-HIL Simulations.

Predictive Control with Current-Based Maximum Power Point-Tracking for On-Grid Photovoltaic Applications (2021)
Journal Article
Muñoz, C., Rivera, M., Villalón, A., Baier, C. R., Muñoz, J., Ramirez, R. O., & Wheeler, P. (2021). Predictive Control with Current-Based Maximum Power Point-Tracking for On-Grid Photovoltaic Applications. Sustainability, 13(6), 3037. https://doi.org/10.3390/su13063037

The high increase of renewable energy sources and the increment of distributed generation in the electrical grid has made them complex and of variable parameters, causing potential stability problems to the PI controllers. In this document, a control... Read More about Predictive Control with Current-Based Maximum Power Point-Tracking for On-Grid Photovoltaic Applications.

A Review of Control Techniques in Photovoltaic Systems (2020)
Journal Article
Murillo-Yarce, D., Alarcón-Alarcón, J., Rivera, M., Restrepo, C., Muñoz, J., Baier, C., & Wheeler, P. (2020). A Review of Control Techniques in Photovoltaic Systems. Sustainability, 12(24), 1-22. https://doi.org/10.3390/su122410598

Complex control structures are required for the operation of photovoltaic electrical energy systems. In this paper, a general review of the controllers used for photovoltaic systems is presented. This review is based on the most recent papers present... Read More about A Review of Control Techniques in Photovoltaic Systems.

Control Techniques for a Single-Phase Matrix Converter (2020)
Journal Article
Rivera, M., Rojas, S., Restrepo, C., Muñoz, J., Baier, C., & Wheeler, P. (2020). Control Techniques for a Single-Phase Matrix Converter. Energies, 13(23), Article 6337. https://doi.org/10.3390/en13236337

The single-phase matrix converter is an AC-AC power topology which consists of six bidirectional switches and it is considered the key unit in cascade or multilevel configurations. In this paper, a comparison between two control techniques is present... Read More about Control Techniques for a Single-Phase Matrix Converter.