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Predictive Control Operating at Fixed Switching Frequency of an Induction Machine Fed by a Voltage Source Inverter (2021)
Conference Proceeding
Rivera, M., Riveros, J., Rodriguez, C., & Wheeler, P. (2021). Predictive Control Operating at Fixed Switching Frequency of an Induction Machine Fed by a Voltage Source Inverter. . https://doi.org/10.1109/icaacca51523.2021.9465249

Predictive torque control (PTC) has been established as one of the viable solutions for variable-speed motor drive control, particularly where a fast response for torque and flux control is required. The main reason for its adoption is the exible arc... Read More about Predictive Control Operating at Fixed Switching Frequency of an Induction Machine Fed by a Voltage Source Inverter.

Predictive Torque and Flux Control of an Induction Machine Fed by a Voltage Source Inverter (2021)
Conference Proceeding
Rivera, M., Riveros, J., Rodriguez, C., Wheeler, P., & Rohten, J. (2021). Predictive Torque and Flux Control of an Induction Machine Fed by a Voltage Source Inverter. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465179

Model predictive control strategies have recently emerged as a viable alternative for the control of power electronic converters in a range of applications. In this paper a new model predictive control technique for both the ux and torque of an induc... Read More about Predictive Torque and Flux Control of an Induction Machine Fed by a Voltage Source Inverter.

Predictive Voltage Control at Fixed Switching Frequency with Reduced Reactive Power in a Direct Matrix Converter (2021)
Conference Proceeding
Rojas, D., Rivera, M., Toledo, S., & Wheeler, P. (2021). Predictive Voltage Control at Fixed Switching Frequency with Reduced Reactive Power in a Direct Matrix Converter. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465334

Classical predictive control implementations generate variable switching frequency which could produce input filter resonances in matrix converters topologies, affecting system performance. This paper considers the application of predictive control t... Read More about Predictive Voltage Control at Fixed Switching Frequency with Reduced Reactive Power in a Direct Matrix Converter.

Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives (2021)
Journal Article
Guo, F., Yang, T., Li, C., Bozhko, S., & Wheeler, P. (2021). Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives. IEEE Transactions on Industrial Electronics, https://doi.org/10.1109/tie.2021.3065605

In this paper, the equivalent relationship between the nearest-three-virtual space vector (NTV2) and carrier-based pulse-width-modulation (CBPWM) scheme is established based on space vector coordinate for a three-level neutral-point-clamped (3L-NPC)... Read More about Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives.

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.

Failure modes and reliability oriented system design for aerospace power electronic converters (2020)
Journal Article
Harikumaran, J., Migliazza, G., Buticchi, G., Madonna, V., Giangrande, P., Costabeber, A., …Galea, M. (2021). Failure modes and reliability oriented system design for aerospace power electronic converters. IEEE Open Journal of the Industrial Electronics Society, 2, 53-64. https://doi.org/10.1109/OJIES.2020.3047201

Aircraft electrification has been a major trend in aviation industry for past 20 years. Given the increasing electrical power requirement for future more electric aircraft and hybrid electric aircraft, research efforts has been ongoing in high power... Read More about Failure modes and reliability oriented system design for aerospace power electronic converters.

Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications (2020)
Presentation / Conference
Khera, F., Klumpner, C., & Wheeler, P. (2020, December). Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications. Paper presented at 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020), Online

This paper presents a novel quasi Z-source Hybrid modular multilevel converter (qZS-HMMC) for medium voltage applications where the “hybrid” concept refers to the implementation of the MMC strings that consist of a mixture of half bridge sub-modules... Read More about Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications.

Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation (2020)
Journal Article
Trentin, A., Sala, G., Tarisciotti, L., Galassini, A., Degano, M., Connor, P. H., …Gerada, C. (2021). Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation. IEEE Transactions on Industrial Electronics, 68(12), 11684-11695. https://doi.org/10.1109/TIE.2020.3040692

In this article, we describe the research and development of a 3 kV active rectifier for a 4 MW aerospace generator drive system demonstrator. The converter is fed by a multiphase high-speed/high-frequency permanent magnet generator. The main aim of... Read More about Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation.

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.

Reliability oriented thermal management of aircraft power converters (2020)
Conference Proceeding
Harikumaran, J., Buticchi, G., MIgliazza, G., Wheeler, P., & Galea, M. (2020). Reliability oriented thermal management of aircraft power converters. In 2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia) (1590-1594). https://doi.org/10.1109/IPEMC-ECCEAsia48364.2020.9367638

On board electrical power generation continue to increase as more aircraft systems are being electrified. Increasingly power converters are the interface of power generation and electrical loads in aircrafts. Reliability of aircraft power electronics... Read More about Reliability oriented thermal management of aircraft power converters.

Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications (2020)
Conference Proceeding
Gao, Y., Yang, T., Wang, X., Bozhko, S., & Wheeler, P. (2020). Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications. In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS) (1940-1944). https://doi.org/10.23919/ICEMS50442.2020.9290844

This study utilizes the machine learning (ML) technique to estimate the power loss of surface-mounted Permanent Magnet Synchronous Motor (PMSM) for More-Electric Aircraft (MEA). Existing approaches do not consider ML methods in power loss calculation... Read More about Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications.

Model-Based Predictive Rotor Current Control Strategy for Indirect Power Control of a DFIM Driven by an Indirect Matrix Converter (2020)
Journal Article
Olloqui, A., Elizondo, J. L., Rivera, M., Macias, M., Micheloud-Vernackt, O. M., Pena, R., & Wheeler, P. (2021). Model-Based Predictive Rotor Current Control Strategy for Indirect Power Control of a DFIM Driven by an Indirect Matrix Converter. IEEE Transactions on Energy Conversion, 36(2), 1510-1516. https://doi.org/10.1109/TEC.2020.3038471

This paper presents a new control strategy using model-based predictive current control (MB-PCC) for a doubly fed induction machine (DFIM) driven by an indirect matrix converter (IMC). This strategy proposes the control of rotor currents, whose refer... Read More about Model-Based Predictive Rotor Current Control Strategy for Indirect Power Control of a DFIM Driven by an Indirect 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.

Computation of time probability distributions for the occurrence of uncertain future events (2020)
Journal Article
Acuña-Ureta, D. E., Orchard, M. E., & Wheeler, P. (2021). Computation of time probability distributions for the occurrence of uncertain future events. Mechanical Systems and Signal Processing, 150, Article 107332. https://doi.org/10.1016/j.ymssp.2020.107332

The determination of the time at which an event may take place in the future is a well-studied problem in a number of science and engineering disciplines. Indeed, for more than fifty years, researchers have tried to establish adequate methods to char... Read More about Computation of time probability distributions for the occurrence of uncertain future events.

An Overview of Applications of the Modular Multilevel Matrix Converter (2020)
Journal Article
Diaz, M., Cárdenas Dobson, R., Ibaceta, E., Mora, A., Urrutia, M., Espinoza, M., …Wheeler, P. (2020). An Overview of Applications of the Modular Multilevel Matrix Converter. Energies, 13(21), Article 5546. https://doi.org/10.3390/en13215546

The modular multilevel matrix converter is a relatively new power converter topology suitable for high-power alternating current (AC)-to-AC applications. Several publications in the literature have highlighted the converter capabilities, such as full... Read More about An Overview of Applications of the Modular Multilevel Matrix Converter.

Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter (2020)
Conference Proceeding
Akbar, S. M., Hasan, A., Watson, A., Wheeler, P., & Odhano, S. (2020). Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter. . https://doi.org/10.1109/IECON43393.2020.9254434

© 2020 IEEE. Isolated DC/DC modular multilevel converters (MMC) consisting of two MMCs isolated by a transformer are one of the converter topologies being considered used for DC/DC conversion in HVDC transmission. Two level modulation can be used to... Read More about Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter.

Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators (2020)
Conference Proceeding
Savi, F., Barater, D., Buticchi, G., Wheeler, P., & Gerada, C. (2020). Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators. . https://doi.org/10.1109/iecon43393.2020.9254985

One of the challenges brought forward by the gradual electrification undertaken by the aviation sector is the requirement of fault tolerance for machine drive systems to be used for critical on-board tasks such as propulsion or primary flight surface... Read More about Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators.

Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids (2020)
Journal Article
Geury, T., Pinto, S. F., Gyselinck, J., & Wheeler, P. (2020). Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids. Energies, 13(20), Article 5405. https://doi.org/10.3390/en13205405

This paper proposes an Indirect Matrix Converter (IMC)-based grid-tied Photovoltaic (PV) system for Smart Grids (SGs). The PV array injects current in the ‘dc link’ of the IMC through an inductive link, and is connected to the SG with shunt and serie... Read More about Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids.