All Outputs (22)

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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). 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.