Professor MARCO RIVERA's Outputs (69)

Predictive Voltage Control in Multi-Modular Matrix Converters under Load Variation and Fault Scenario (2024)
Journal Article
Caballero, D., Toledo, S., Maqueda, E., Ayala, M., Gregor, R., Rivera, M., & Wheeler, P. (2024). Predictive Voltage Control in Multi-Modular Matrix Converters under Load Variation and Fault Scenario. Technologies, 12(9), Article 170. https://doi.org/10.3390/technologies12090170

This paper presents a model predictive control (MPC) strategy to regulate output voltages in a multi-modular matrix converter topology for isolated loads. The converter system harnesses power from a six-phase permanent magnet synchronous generator (P... Read More about Predictive Voltage Control in Multi-Modular Matrix Converters under Load Variation and Fault Scenario.

A Low-Complexity Modulated Model Predictive Current Control Scheme for PMSM based Starter Generator Control System in More Electric Aircraft (2024)
Preprint / Working Paper
Wang, Q., Yu, H., Li, C., Yeoh, S. S., Lang, X., Yang, T., Rivera, M., Bozhko, S., & Wheeler, P. A Low-Complexity Modulated Model Predictive Current Control Scheme for PMSM based Starter Generator Control System in More Electric Aircraft

Modulated model predictive control (M2PC) has recently emerged as a possible solution for control in starter generator systems in the more electric aircraft (MEA), due to its advantages of fixed switching frequency, fast response and good performance... Read More about A Low-Complexity Modulated Model Predictive Current Control Scheme for PMSM based Starter Generator Control System in More Electric Aircraft.

Energy Harvesting Integrated Sensor Node Architecture for Sustainable IoT Networks (2024)
Presentation / Conference Contribution
Gopikrishnan, S., Kokila, M., Rivera, M., & Wheeler, P. (2024, January). Energy Harvesting Integrated Sensor Node Architecture for Sustainable IoT Networks. Presented at 5th International Conference on Advances in Distributed Computing and Machine Learning (ICADCML)-2024, VIT-AP University, India

Internet of Things (IoT) is a life changing technology which is build on various devices which are connected to the Internet. Wireless sensor nodes (WSN) is one of such devices which plays a major role in deploying IoT in large scale of real-time eve... Read More about Energy Harvesting Integrated Sensor Node Architecture for Sustainable IoT Networks.

Virtual Synchronous Generator Control Strategy of Grid-Forming Matrix Converter for Renewable Power Generation (2024)
Journal Article
Zhang, J., Wang, H., Liu, G., Tian, G., Rivera, M., & Wheeler, P. (2024). Virtual Synchronous Generator Control Strategy of Grid-Forming Matrix Converter for Renewable Power Generation. IEEE Access, 12, 106672-106684. https://doi.org/10.1109/ACCESS.2024.3436552

Matrix converters (MC) have been considered for applications in renewable power generation and microgrids. However, similar to other power electronic converter-interfaced power generation systems, the MC-interfaced system cannot provide inertia or da... Read More about Virtual Synchronous Generator Control Strategy of Grid-Forming Matrix Converter for Renewable Power Generation.

A novel higher-order sliding mode control for DC-DC boost converter system in PMDC motor exploring mismatched disturbances (2024)
Journal Article
R, D., Srinivasan, G. K., & Rivera, M. (2024). A novel higher-order sliding mode control for DC-DC boost converter system in PMDC motor exploring mismatched disturbances. Circuit World, https://doi.org/10.1108/CW-06-2023-0144

Purpose: The purpose of this study is to stabilize the rotating speed of the permanent magnet direct current (PMDC) motor driven by a DC-DC boost converter under mismatched disturbances (i.e.) under varying load circumstances like constant, frictiona... Read More about A novel higher-order sliding mode control for DC-DC boost converter system in PMDC motor exploring mismatched disturbances.

Model Predictive Control of a Modular Multilevel Converter with Reduced Computational Burden (2024)
Journal Article
Kadhum, H., Watson, A. J., Rivera, M., Zanchetta, P., & Wheeler, P. (2024). Model Predictive Control of a Modular Multilevel Converter with Reduced Computational Burden. Energies, 17(11), Article 2519. https://doi.org/10.3390/en17112519

Recent advances in high-power applications employing voltage source converters have been primarily fuelled by the emergence of the modular multilevel converter (MMC) and its derivatives. Model predictive control (MPC) has emerged as an effective way... Read More about Model Predictive Control of a Modular Multilevel Converter with Reduced Computational Burden.

Performance Enhancement of Reduced Component Multilevel Inverter with Optimal Placement of Level Shifter (2024)
Journal Article
L, V., Kumar S, G., Rivera, M., & Babaei, E. (2024). Performance Enhancement of Reduced Component Multilevel Inverter with Optimal Placement of Level Shifter. IEEE Latin America Transactions, 22(6), 502-511. https://doi.org/10.1109/TLA.2024.10534310

Multi-Level Inverter (MLI) with and without cross-connecting switches is constructed using bi-directional and uni-directional switches and their performances are verified via a real-time experimentation. Here, a cross connecting switch inverter (CCSI... Read More about Performance Enhancement of Reduced Component Multilevel Inverter with Optimal Placement of Level Shifter.

A MATLAB/GUI for Photovoltaic Modules Performance Simulations Based on Two-Diode Model (2024)
Journal Article
Osorio, L., Rivera, M., Tuninetti, V., Retirado Mediaceja, Y., & Wheeler, P. (in press). A MATLAB/GUI for Photovoltaic Modules Performance Simulations Based on Two-Diode Model. Mathematics,

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, 39(8), 9967-9981. 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.

An Optimal Switching Sequence Model Predictive Control Scheme for the 3L-NPC Converter with Output LC Filter (2024)
Journal Article
Herrera, F., Mora, A., Cárdenas, R., Díaz, M., Rodríguez, J., & Rivera, M. (2024). An Optimal Switching Sequence Model Predictive Control Scheme for the 3L-NPC Converter with Output LC Filter. Processes, 12(2), Article 348. https://doi.org/10.3390/pr12020348

In some applications of microgrids and distributed generation, it is necessary to feed islanded or stand-alone loads with high-quality voltage to provide low total harmonic distortion (THD). To fulfil these demands, an LC filter is usuallyconnected t... Read More about An Optimal Switching Sequence Model Predictive Control Scheme for the 3L-NPC Converter with Output LC Filter.

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.

A Combination of a Feed-Forward and Selective Harmonic Elimination Method for Mitigation of Voltage Distortions in Single-Phase Stand-Alone Inverters Operating with Non-Linear Loads (2023)
Presentation / Conference Contribution
Golkhandan, N. H., Rivera, M., Wheeler, P., Acuna, P., Rothen, J., & Davoudi, A. (2023). A Combination of a Feed-Forward and Selective Harmonic Elimination Method for Mitigation of Voltage Distortions in Single-Phase Stand-Alone Inverters Operating with Non-Linear Loads. In 2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP). https://doi.org/10.1109/SPEC56436.2023.10407689

This paper presents a new method for voltage distortion elimination in single-phase stand-alone inverters. In fact, the cooperation of a selective harmonic elimination approach with a feed-forward method eliminates the harmonics more effectively. In... Read More about A Combination of a Feed-Forward and Selective Harmonic Elimination Method for Mitigation of Voltage Distortions in Single-Phase Stand-Alone Inverters Operating with Non-Linear Loads.

Lyapunov-Function Based Control Approach for Single-Phase Split Source Inverter (2023)
Presentation / Conference Contribution
Bagheri, F., Guler, N., Rivera, M., & Wheeler, P. (2023). Lyapunov-Function Based Control Approach for Single-Phase Split Source Inverter. In 2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP). https://doi.org/10.1109/spec56436.2023.10408444

The single-phase split source inverter (SSI), operating as an inverter while boosting the input dc voltage, is a single-stage topology. This paper introduces a novel control strategy utilizing a Lyapunov-function controller for a SSI. The proposed Ly... Read More about Lyapunov-Function Based Control Approach for Single-Phase Split Source Inverter.

Predictive Direct Speed Control of PMSM without Weighting Factors (2023)
Presentation / Conference Contribution
Zerdali, E., Rivera, M., Wheeler, P., & Toledo, S. (2023). Predictive Direct Speed Control of PMSM without Weighting Factors. In 2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP). https://doi.org/10.1109/SPEC56436.2023.10408216

Predictive direct speed control (PDSC) of electric drives eliminates the cascade control structure and provides faster speed and current/torque response, but suffers from the selection of weighting factors (WFs). This paper proposes a PDSC strategy w... Read More about Predictive Direct Speed Control of PMSM without Weighting Factors.

Speed-Sensorless Predictive Direct Speed Control for PMSM Drives (2023)
Presentation / Conference Contribution
Zerdali, E., Rivera, M., Wheeler, P., & Toledo, S. (2023). Speed-Sensorless Predictive Direct Speed Control for PMSM Drives. In 2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP). https://doi.org/10.1109/spec56436.2023.10408131

Predictive direct speed control (PDSC) of electric motors makes the control of both electrical and mechanical systems possible over a single control law by eliminating the cascade control structure. Speed-sensorless control also reduces the cost of e... Read More about Speed-Sensorless Predictive Direct Speed Control for PMSM Drives.

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.

A honeycomb-like predictive controller with a reduced computational burden for three-level NPC converters (2023)
Journal Article
Silva, J. J., Rohten, J. A., Villarroel, F. A., Pulido, E. S., & Rivera, M. E. (2024). A honeycomb-like predictive controller with a reduced computational burden for three-level NPC converters. IEEE Transactions on Power Electronics, 39(2), 2051 - 2062. https://doi.org/10.1109/tpel.2023.3329644

This article presents a predictive control strategy to control a photovoltaic plant based on bifacial photovoltaic (BPV) panels connected to the electrical grid through a three-phase neutral point clamped (NPC) power converter. Electricity generation... Read More about A honeycomb-like predictive controller with a reduced computational burden for three-level NPC converters.

Encoderless Predictive Speed and Torque Control of an Induction Motor (2023)
Presentation / Conference Contribution
Zerdali, E., Rivera, M., Zanchetta, P., Wheeler, P., & Ristić, L. (2023). Encoderless Predictive Speed and Torque Control of an Induction Motor. In 2023 22nd International Symposium on Power Electronics (Ee). https://doi.org/10.1109/ee59906.2023.10346148

Recently, model predictive control (MPC) has gained popularity in the control of power converters and electric drives. In this paper, the advantages of two MPC strategies are combined, and a cascaded encoderless predictive speed and torque control (P... Read More about Encoderless Predictive Speed and Torque Control of an Induction Motor.

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.

Alternating Sequential Model Predictive Control of Matrix Converter (2023)
Presentation / Conference Contribution
Zhang, J., Rivera, M., & Wheeler, P. (2023). Alternating Sequential Model Predictive Control of Matrix Converter. . https://doi.org/10.1109/precede57319.2023.10174403

Weighting factor design is one of the challenges faced by model predictive control (MPC) when multiple control objectives are to be achieved simultaneously. This paper proposes an alternating sequential MPC (ASMPC) in which the cost functions are eva... Read More about Alternating Sequential Model Predictive Control of Matrix Converter.

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.

Single-Phase Mains Fed Three-Phase Induction Motor Drive Using Improved Power Quality Direct AC–AC Converter (2023)
Journal Article
Mir, T. N., Singh, B., Bhat, A. H., Rivera, M., & Wheeler, P. (2023). Single-Phase Mains Fed Three-Phase Induction Motor Drive Using Improved Power Quality Direct AC–AC Converter. IEEE Open Journal of Industry Applications, 4, 178-187. https://doi.org/10.1109/ojia.2023.3279776

This article presents an alternative ac–ac converter topology and its control for low-speed three-phase induction motor drives fed from single-phase ac mains. The proposed matrix converter based drive system eliminates the dc link capacitor, thus fac... Read More about Single-Phase Mains Fed Three-Phase Induction Motor Drive Using Improved Power Quality Direct AC–AC Converter.

A Study on Molecular Dynamics of High Voltage Pulsed Electrolysis (2023)
Presentation / Conference Contribution
Albornoz, M., Rivera, M., Wheeler, P., & Zanchetta, P. (2023). A Study on Molecular Dynamics of High Voltage Pulsed Electrolysis. In 2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia) (3430-3437). https://doi.org/10.23919/ICPE2023-ECCEAsia54778.2023.10213763

Electrolysis has been considered to be an interesting research topic in recent decades. With the important advances in controllable solid-state semiconductor devices, it has become relatively simple to design power converters with high voltage and hi... Read More about A Study on Molecular Dynamics of High Voltage Pulsed Electrolysis.

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.

New Hysteresis FCS-MPC AC Current Controller With Disturbance Estimator (2023)
Journal Article
Stojić, D., & Rivera, M. (2023). New Hysteresis FCS-MPC AC Current Controller With Disturbance Estimator. Electrical Engineering, https://doi.org/10.1007/s00202-023-01812-8

In this paper, a modification is proposed in the conventional finite control set model predictive controller (FCS-MPC) applied in the three-phase voltage source inverter's (VSI's) output current control with resistive-inductive (RL) load. It comprise... Read More about New Hysteresis FCS-MPC AC Current Controller With Disturbance Estimator.

A Review of Communication Protocols and Control Strategies in DC Microgrids: An experimental validation focus (2023)
Presentation / Conference Contribution
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.

High Pulsed Voltage Alkaline Electrolysis for Water Splitting (2023)
Journal Article
Albornoz, M., Rivera, M., Wheeler, P., & Ramírez, R. (2023). High Pulsed Voltage Alkaline Electrolysis for Water Splitting. Sensors, 23(8), Article 3820. https://doi.org/10.3390/s23083820

Pulsed electrolysis has become a promising research topic in recent decades due to advances in solid-state semiconductor devices. These technologies have enabled the design and construction of simpler, more efficient, and less costly high-voltage and... Read More about High Pulsed Voltage Alkaline Electrolysis for Water Splitting.

Alternative Feedback Quantizer Using Space Vector Modulation (2023)
Presentation / Conference Contribution
Veillon, M., Espinosa, E., Lizana, R., Melin, P., Mirzaeva, G., Rivera, M., & Sepulveda, N. (2023, April). Alternative Feedback Quantizer Using Space Vector Modulation. Presented at 2023 IEEE International Conference on Industrial Technology (ICIT), Orlando, FL, USA

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.

New Generalized Circuits for Single-Phase Multisource Multilevel Power Inverter Topologies (2023)
Journal Article
Hosseinzadeh, M. A., Sarebanzadeh, M., Kennel, R., Babaei, E., & Rivera, M. (2023). New Generalized Circuits for Single-Phase Multisource Multilevel Power Inverter Topologies. IEEE Transactions on Power Electronics, 38(6), 6823-6830. https://doi.org/10.1109/TPEL.2023.3259342

The main objective of this letter is to propose new circuits for multisource multilevel inverters that require fewer power switches. To address the limitations of existing multilevel inverters, which require a high number of power switches and dc vol... Read More about New Generalized Circuits for Single-Phase Multisource Multilevel Power Inverter Topologies.

An Overview of the Colombian Power System (2022)
Presentation / Conference Contribution
Bravo-Lopez, M., Marin, S., Terreros-Barreto, J. R., Garces, A., Molina, A., Rivera, M., & Wheeler, P. (2022). An Overview of the Colombian Power System. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/ICA-ACCA56767.2022.10006289

The Colombian power system is facing a transition from hydro-thermal generation to a diversified mix of hydro, solar, and wind energy. This paper presents an overview of the current situation and the challenges of transitioning to a more sustainable... Read More about An Overview of the Colombian Power System.

Improvement of two grid power factor control methods for matrix converter open-end-winding drive with common-mode voltage elimination supplied by unbalanced grid (2022)
Journal Article
Stanić, L., Ristić, L., Bebić, M., & Rivera, M. (2023). Improvement of two grid power factor control methods for matrix converter open-end-winding drive with common-mode voltage elimination supplied by unbalanced grid. IET Power Electronics, 16(4), 596-611. https://doi.org/10.1049/pel2.12411

This paper investigates space-vector-modulation (SVM) technique that uses only rotating space vectors to drive a direct matrix converter (DMC) with zero common-mode voltage (CMV). Two methods for controlling grid power factor have been proposed in th... Read More about Improvement of two grid power factor control methods for matrix converter open-end-winding drive with common-mode voltage elimination supplied by unbalanced grid.

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.

A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction (2022)
Journal Article
Cheepati, K. R., Rivera, M., Wheeler, P., Subburaj, V., Krishnan, S., Babu Daram, S., & Amaresh, K. (2022). A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction. Journal of Circuits, Systems, and Computers, 31(10), Article 2250174. https://doi.org/10.1142/s0218126622501742

Shunt active filters (SAFs) can be used for harmonic mitigation, reactive power compensation and power factor control in electrical distribution networks. Model predictive controller (MPC) can be used to give optimum performance for SAF's due to its... Read More about A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction.

A study of weighting factor design in model predictive control applications (2022)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Munoz, J., Baier, C., & Wheeler, P. (2022). A study of weighting factor design in model predictive control applications. In 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON). https://doi.org/10.1109/chilecon54041.2021.9702932

Weighting factor selection is considered to be a crucial aspect in the design of a predictive controller. In this paper a study of the design of weighting factors for different cost functions is presented. The study is based on three examples: switch... Read More about A study of weighting factor design in model predictive control applications.

Development of solar energy in Chile and the world (2021)
Presentation / Conference Contribution
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., Wheeler, P., & Rohten, J. (2021). Development of solar energy in Chile and the world. In 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON). https://doi.org/10.1109/CHILECON54041.2021.9702985

Chile is undoubtedly a country with potential when it comes to solar energy, but to understand this potential it is necessary to review the worldwide situation. This paper presents an analysis of the global situation and the geographic value that all... Read More about Development of solar energy in Chile and the world.

Control strategies of photovoltaic systems (2021)
Presentation / Conference Contribution
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Control strategies of photovoltaic systems. . https://doi.org/10.1109/chilecon54041.2021.9702993

The control in an inverter system for photovoltaic applications is important as it can impact on the efficiency of the system. In this paper a review of the main control strategies used in photovoltaic systems is presented. The study is divided into... Read More about Control strategies of photovoltaic systems.

Sequential FCS-MPC for open phase fault tolerant control applied to SynRM (2021)
Presentation / Conference Contribution
Frias, G., Catuogno, G., Rivera, M., Wheeler, P., & Garcia, G. (2021). Sequential FCS-MPC for open phase fault tolerant control applied to SynRM. . https://doi.org/10.1109/CHILECON54041.2021.9703089

Model predictive control is a very attractive solution for electric drives and converter control, but while classic model predictive controls give good results, the choice of weighting factors is often somewhat complex and even more so when the syste... Read More about Sequential FCS-MPC for open phase fault tolerant control applied to SynRM.

Predictive current control strategy for a single phase direct matrix converter (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., & Wheeler, P. (2021). Predictive current control strategy for a single phase direct matrix converter. . https://doi.org/10.1109/CHILECON54041.2021.9702943

This paper considers some of the aspects of applying predictive control to a single phase Matrix Converter. Among all the proposed control techniques for Matrix Converters, predictive control has become a plausible and versatile option due to its abi... Read More about Predictive current control strategy for a single phase direct matrix converter.

Cascaded predictive control for a three-phase VSI with different cost functions (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Munoz, J., & Wheeler, P. (2021). Cascaded predictive control for a three-phase VSI with different cost functions. . https://doi.org/10.1109/CHILECON54041.2021.9703077

Predictive control for power converters has been gaining interest as well as popularity in recent years. This paper presents a cascade predictive control for a voltage source inverter which is evaluated with different control objectives to meet a ran... Read More about Cascaded predictive control for a three-phase VSI with different cost functions.

Predictive control techniques applied to a 2L-VSI (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Toledo, S., & Wheeler, P. (2021). Predictive control techniques applied to a 2L-VSI. . https://doi.org/10.1109/CHILECON54041.2021.9702915

In recent years, Model Based Predictive Control (MPC), applied to power converters, has been successfully presented as an alternative to traditional control techniques due to its fast dynamic response, ability to incorporate various requirements of c... Read More about Predictive control techniques applied to a 2L-VSI.

Critical scenarios identification in power system simulations using graph measures and machine learning (2021)
Presentation / Conference Contribution
Reyes, A., Salgueiro, Y., Rivera, M., Camargo, J., Hernandez, A., & Wheeler, P. (2021). Critical scenarios identification in power system simulations using graph measures and machine learning. . https://doi.org/10.1109/chilecon54041.2021.9703001

It is essential that electrical power systems are constructed with a reliable and resilient infrastructure. The evaluation of convergence scenarios of the load flow is a technique widely used to study the reliability of energy systems. This paper con... Read More about Critical scenarios identification in power system simulations using graph measures and machine learning.

Basic principles of solar energy (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., & Wheeler, P. (2021). Basic principles of solar energy. . https://doi.org/10.1109/chilecon54041.2021.9703066

The sun provides the earth with its main source of energy. In terms of renewable energy, solar energy is the most promising direction for producing electrical energy. For the efficient use of solar energy it is necessary to understand how electrical... Read More about Basic principles of solar energy.

A comparative study of predictive control techniques in a voltage source inverter (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Munoz, J., & Wheeler, P. (2021). A comparative study of predictive control techniques in a voltage source inverter. . https://doi.org/10.1109/chilecon54041.2021.9703047

Predictive control has emerged as an alternative to conventional modulation and control of power converters. This article presents a comparison between a classical predictive control technique and a technique operating at a fixed switching frequency,... Read More about A comparative study of predictive control techniques in a voltage source inverter.

General view of solar energy (2021)
Presentation / Conference Contribution
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). General view of solar energy. In 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, CHILECON 2021. https://doi.org/10.1109/chilecon54041.2021.9702964

Solar energy is considered clean, renewable and seemingly inexhaustible source of energy. Solar Energy has been used since ancient times for light and as heat, but in the 20th century, thanks to technological advances, different devices have been dev... Read More about General view of solar energy.

Effect of model parameter errors in model predictive control applications (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Munoz, J., Wheeler, P., Zanchetta, P., & Mirzaeva, G. (2021). Effect of model parameter errors in model predictive control applications. . https://doi.org/10.1109/CHILECON54041.2021.9702942

When implementing predictive control strategies for power electronic converters a good model of the system is needed because this model determines the quality of the resulting controller. In this paper a study of the model parameter error effects in... Read More about Effect of model parameter errors in model predictive control applications.

Solar energy in the agrifood industry (2021)
Presentation / Conference Contribution
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Solar energy in the agrifood industry. . https://doi.org/10.1109/chilecon54041.2021.9702972

The agriculture and food industry is very important for human society development and is constantly growing with the world's population. Agriculture is also among the activities that generate a lot of greenhouse gases, therefore there is a need to op... Read More about Solar energy in the agrifood industry.

Technologies and MPPT algorithms for solar energy applications (2021)
Presentation / Conference Contribution
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Technologies and MPPT algorithms for solar energy applications. . https://doi.org/10.1109/chilecon54041.2021.9702987

Due to environmental policies and the advancement of solar technology, the generation of electrical energy based on photovoltaic cells has become an important contributor to the renewable energy resource mix. In recent years, the development of photo... Read More about Technologies and MPPT algorithms for solar energy applications.

Solar Energy in the Mining Industry (2021)
Presentation / Conference Contribution
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Solar Energy in the Mining Industry. . https://doi.org/10.1109/INGELECTRA54297.2021.9748073

Solar energy has become very important in recent years, mainly because it is a clean and inexhaustible source. This paper presents a review of the use of solar energy in the mining industry. A global approach will be made, indicating the uses that ar... Read More about Solar Energy in the Mining Industry.

Predictive Control Strategies in a Two-Level Voltage Source Inverter (2021)
Presentation / Conference Contribution
Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Predictive Control Strategies in a Two-Level Voltage Source Inverter. In 2021 IEEE Congreso Estudiantil de Electrónica y Electricidad (INGELECTRA). https://doi.org/10.1109/ingelectra54297.2021.9748072

In recent years, predictive control has emerged as an alternative for the control of power electronic converters. In this paper, a comparison is presented between the implementation of a predictive current control strategy operating at variable switc... Read More about Predictive Control Strategies in a Two-Level Voltage Source Inverter.

Predictive Current Control Strategies for Grid Connected NPC Converters (2021)
Presentation / Conference Contribution
Rivera, M., Riveros, J., & Wheeler, P. (2021). Predictive Current Control Strategies for Grid Connected NPC Converters. In 2021 IEEE Congreso Estudiantil de Electrónica y Electricidad (INGELECTRA). https://doi.org/10.1109/INGELECTRA54297.2021.9748074

This paper analyses predictive current control techniques for grid-connected neutral-point clamped voltage source converters. Two schemes are considered, the classical finite-set model-based predictive current control (FS-MPC) along with a new strate... Read More about Predictive Current Control Strategies for Grid Connected NPC Converters.

Fault Tolerant Predictive Control for Six-Phase Wind Generation Systems using Multi-Modular Matrix Converter (2021)
Presentation / Conference Contribution
Toledo, S., Caballero, D., Maqueda, E., Arrua, S., Gomez-Redondo, M., Gregor, R., …Wheeler, P. (2021). Fault Tolerant Predictive Control for Six-Phase Wind Generation Systems using Multi-Modular Matrix Converter. In IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society. https://doi.org/10.1109/IECON48115.2021.9589702

Multi-phase wind generation systems are emerging as a promising technology for distributed generation systems. These systems can present unbalanced voltages or phase faults for several reasons. In this paper a modular three-phase direct matrix conver... Read More about Fault Tolerant Predictive Control for Six-Phase Wind Generation Systems using Multi-Modular Matrix Converter.

The Selection of Cost Functions in Model Predictive Control Applications (2021)
Presentation / Conference Contribution
Rivera, M., Rojas, D., & Wheeler, P. (2021). The Selection of Cost Functions in Model Predictive Control Applications. In 2021 21st International Symposium on Power Electronics (Ee). https://doi.org/10.1109/Ee53374.2021.9628336

In model predictive control strategies, the cost function selection is the most relevant aspects to obtain a good performance of the full system. In this paper a study of the most common cost functions used for the control of two level voltage source... Read More about The Selection of Cost Functions in Model Predictive Control Applications.

Model Predictive Control and the Selection of Cost Functions (2021)
Presentation / Conference Contribution
Rivera, M., Rojas, D., & Wheeler, P. (2021). Model Predictive Control and the Selection of Cost Functions. In 2021 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe). https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570571

In model predictive control strategy implementations, the cost function selection is very important in ensuring good performance. In this paper a study of the most common cost functions used for the control of two level voltage source inverters is pr... Read More about Model Predictive Control and the Selection of Cost Functions.

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 Cascade PI-SMC Method for Matrix Converter-Fed BDFIM Drives (2021)
Journal Article
Wheeler, P., Wang, H., Chen, X., Zhao, X., Dan, H., Su, M., …Rivera, M. (2021). A Cascade PI-SMC Method for Matrix Converter-Fed BDFIM Drives. IEEE Transactions on Transportation Electrification, 7(4), 2541-2550. https://doi.org/10.1109/TTE.2021.3061742

This article proposes a cascade proportional-integral second-order sliding mode control (PI-SMC) method for matrix converter-fed brushless doubly fed induction machine (BDFIM). The PI-SMC method consists of a PI speed controller with an inner-loop se... Read More about A Cascade PI-SMC Method for Matrix Converter-Fed BDFIM Drives.

Sequential Predictive Current Control of a VSI with Common-Mode Voltage Reduction (2020)
Presentation / Conference Contribution
Murillo-Yarce, D., Rivera, M., Restrepo, C., Rodríguez, R., Wheeler, P. W., Zanchetta, P., & Mirzaeva, G. (2020). Sequential Predictive Current Control of a VSI with Common-Mode Voltage Reduction. In The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) (651-656). https://doi.org/10.1049/icp.2021.1196

The voltage source inverter (VSI) is a classic topology widely used for ac conversion. In this paper sequential predictive control (SPC) is applied to a VSI converter that supplies a RL load. The objective is to demonstrate the potential of this new... Read More about Sequential Predictive Current Control of a VSI with Common-Mode Voltage Reduction.

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.

The Analysis Performance of a Grid-Connected 8.2 kWp Photovoltaic System in the Patagonia Region (2020)
Journal Article
Vidal, H., Rivera, M., Wheeler, P., & Vicencio, N. (2020). The Analysis Performance of a Grid-Connected 8.2 kWp Photovoltaic System in the Patagonia Region. Sustainability, 12(21), 1-16. https://doi.org/10.3390/su12219227

Solar PV structures for locations at high latitudes in the Northern and Southern Hemispheres are increasingly in the spotlight. The work reported in this paper analyses the behaviour of a grid-connected 8.2 kWp photovoltaic system to either feed on-s... Read More about The Analysis Performance of a Grid-Connected 8.2 kWp Photovoltaic System in the Patagonia Region.

A Reduced Single-Phase Switched-Diode Cascaded Multilevel Inverter (2020)
Journal Article
Hosseinzadeh, M. A., Sarebanzadeh, M., Rivera, M., Babaei, E., & Wheeler, P. (2021). A Reduced Single-Phase Switched-Diode Cascaded Multilevel Inverter. IEEE Journal of Emerging and Selected Topics in Power Electronics, 9(3), 3556-3569. https://doi.org/10.1109/jestpe.2020.3010793

The cascaded multilevel inverters (MLIs) are suitable topologies when a high number of voltage levels are needed. Nonetheless, cascaded topologies possess the main drawback of a high number of power switches and gate drivers that make sophisticated c... Read More about A Reduced Single-Phase Switched-Diode Cascaded Multilevel Inverter.

Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems (2020)
Journal Article
Toledo, S., Maqueda, E., Rivera, M., Gregor, R., Wheeler, P., & Romero, C. (2020). Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems. Energies, 13(10), Article 2660. https://doi.org/10.3390/en13102660

Distributed generation systems are emerging as a good solution as part of the response to the world’s growing energy demand. In this context multi-phase wind generation systems are a feasible option. These systems consist of renewable AC sources whic... Read More about Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems.