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Active and Reactive Power Control based on Predictive Voltage Control in a Six-Phase Generation System using Modular Matrix Converters (2020)
Presentation / Conference Contribution
Toledo, S., Ayala, M., Maqueda, E., Gregor, R., Renault, A., Rivera, M., Dragicevic, T., & Wheeler, P. (2020, February). Active and Reactive Power Control based on Predictive Voltage Control in a Six-Phase Generation System using Modular Matrix Converters. Presented at IEEE International Conference on Industrial Technology (ICIT 2020), Buenos Aires, Argentina

Renewable energy generation systems under distributed generation frame emerges as a plausible solution for nowadays growing world energy demands. In this context multiphase wind generation systems are a feasible option that consist of renewable AC so... Read More about Active and Reactive Power Control based on Predictive Voltage Control in a Six-Phase Generation System using Modular Matrix Converters.

Power Sharing Control of Islanded AC Microgrid Considering Droop Control and Virtual Impedance (2020)
Presentation / Conference Contribution
Villalon, A., Munoz, C., Aliaga, R., Munoz, J., Rivera, M., & Zanchetta, P. (2020, February). Power Sharing Control of Islanded AC Microgrid Considering Droop Control and Virtual Impedance. Presented at IEEE International Conference on Industrial Technology (ICIT 2020), Buenos Aires, Argentina

Microgrids appear as the key part of the future power systems that include distributed generators, renewable energy, and energy storage. In this paper a decentralized power sharing control scheme that includes droop control with virtual impedances wi... Read More about Power Sharing Control of Islanded AC Microgrid Considering Droop Control and Virtual Impedance.

Potential of using visual imagery to revolutionise measurement of emotional health (2020)
Journal Article
Herring, A. M. R., Craven, M. P., Mughal, F., Rawsthorne, M., Rees, K., Walker, L., & Wolpert, M. (2020). Potential of using visual imagery to revolutionise measurement of emotional health. Archives of Disease in Childhood, 105(7), 690-693. https://doi.org/10.1136/archdischild-2019-317758

Appropriate measurement of emotional health by all those working with children and young people is an increasing focus for professional practice. Most of the tools used for assessment or self-assessment of emotional health were designed in the mid-20... Read More about Potential of using visual imagery to revolutionise measurement of emotional health.

Electric drive systems with long feeder cables (2020)
Journal Article
Xie, P., Vakil, G., & Gerada, C. (2020). Electric drive systems with long feeder cables. IET Electric Power Applications, 14(1), 16-30. https://doi.org/10.1049/iet-epa.2018.5507

Electric drive systems with long feeder cables connecting inverter and machine are used for oil exploration, mining, remote operated vehicles, industrial, and aerospace applications. Though this topology has the advantage of providing a better operat... Read More about Electric drive systems with long feeder cables.

A SVPWM, Partial Zero-Voltage Transition AC-DC Converter for Electric Vehicle Applications (2020)
Journal Article
Ramirez-Hernandez, J., Araujo-Vargas, I., & Abarca, M. E. R. (2020). A SVPWM, Partial Zero-Voltage Transition AC-DC Converter for Electric Vehicle Applications. IEEE Latin America Transactions, 18(1), 75-82. https://doi.org/10.1109/TLA.2020.9049464

The principle of operation of a modular AC-DC converter for Plug in Electric Vehicles (PEV's) battery charger applications is presented. The topology is a split version of a conventional active rectifier in a three-phase matrix converter and an H bri... Read More about A SVPWM, Partial Zero-Voltage Transition AC-DC Converter for Electric Vehicle Applications.

THREE-LEVEL INDIRECT MATRIX CONVERTER WITH TWO SERIES Z-SOURCE NETWORKS. (2019)
Journal Article
Boafo Effah, F., Okyere, P., Sani Ellis, M., Wheeler, P., Watson, A., Clare, J., & Ojo, J. (2019). THREE-LEVEL INDIRECT MATRIX CONVERTER WITH TWO SERIES Z-SOURCE NETWORKS. Carpathian Journal of Electrical Engineering, 13(1), 61-76

In previous articles, the concept of series Z-source network has been extended to conventional indirect matrix converter to raise the voltage gain to unity and beyond. In this paper, this idea is modified and applied to a three-level indirect matrix... Read More about THREE-LEVEL INDIRECT MATRIX CONVERTER WITH TWO SERIES Z-SOURCE NETWORKS..

The Rebirth of the Current Source Inverter: Advantages for Aerospace Motor Design (2019)
Journal Article
Madonna, V., Migliazza, G., Giangrande, P., Lorenzani, E., Buticchi, G., & Galea, M. (2019). The Rebirth of the Current Source Inverter: Advantages for Aerospace Motor Design. IEEE Industrial Electronics Magazine, 13(4), 65-76. https://doi.org/10.1109/MIE.2019.2936319

© 2007-2011 IEEE. It is well known and widely accepted that the voltage source inverter (VSI) now dominates the world of electrical drives. Its success is probably due to its simplicity, high efficiency, and the widespread availability of VSs. This p... Read More about The Rebirth of the Current Source Inverter: Advantages for Aerospace Motor Design.

Application of Analytic Signal and Smooth Interpolation in Pulsewidth Modulation for Conventional Matrix Converters (2019)
Journal Article
Szczepankowski, P., Wheeler, P., & Bajdecki, T. (2020). Application of Analytic Signal and Smooth Interpolation in Pulsewidth Modulation for Conventional Matrix Converters. IEEE Transactions on Industrial Electronics, 67(12), 10011-10023. https://doi.org/10.1109/tie.2019.2956391

This article proposes an alternative and novel approach to the pulsewidth modulation (PWM) duty cycles computation for conventional matrix converters (CMC) fed by balanced, unbalanced, or nonsinusoidal ac voltage sources. The presented solution simpl... Read More about Application of Analytic Signal and Smooth Interpolation in Pulsewidth Modulation for Conventional Matrix Converters.

Quantitative phase and polarization imaging through an optical fiber applied to detection of early esophageal tumorigenesis (2019)
Journal Article
Gordon, G. S. D., Joseph, J., Alcolea, M. P., Sawyer, T., Williams, C., Fitzpatrick, C. R. M., Jones, P. H., Di Pietro, M., Fitzgerald, R. C., Wilkinson, T. D., & Bohndiek, S. E. (2019). Quantitative phase and polarization imaging through an optical fiber applied to detection of early esophageal tumorigenesis. Journal of Biomedical Optics, 24(12), Article 126004. https://doi.org/10.1117/1.JBO.24.12.126004

© The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI. Phase and polarization... Read More about Quantitative phase and polarization imaging through an optical fiber applied to detection of early esophageal tumorigenesis.

Laser Induced Phased Arrays (LIPA) to detect nested features in additively manufactured components (2019)
Journal Article
Pieris, D., Stratoudaki, T., Javadi, Y., Lukacs, P., Catchpole-Smith, S., Wilcox, P. D., Clare, A., & Clark, M. (2020). Laser Induced Phased Arrays (LIPA) to detect nested features in additively manufactured components. Materials and Design, 187, Article 108412. https://doi.org/10.1016/j.matdes.2019.108412

© 2019 The Authors. Additive manufacturing (AM) has the capability to build complex parts with internal features, which have many advantages over conventionally manufactured parts. This makes AM an alternative for advanced manufacturing sectors. AM c... Read More about Laser Induced Phased Arrays (LIPA) to detect nested features in additively manufactured components.

The potential of exploiting non-symmetric structures in electrical machines (2019)
Presentation / Conference Contribution
Nuzzo, S., Marfoli, A., Papini, L., Bolognesi, P., Gerada, C., & Galea, M. (2019, October). The potential of exploiting non-symmetric structures in electrical machines. Presented at 45th Annual Conference of the IEEE Industrial Electronics Society (IECON 2019), Lisbon, Portugal

Typically, electrical machines feature rotor and stator winding configurations and core structures which comply with both simplicity and cost requirements. Such constraints limit the design search space and degrees of freedom, thus leading to exploit... Read More about The potential of exploiting non-symmetric structures in electrical machines.

Predictive Voltage Control Operating at Fixed Switching Frequency of a Neutral-Point Clamped Converter (2019)
Presentation / Conference Contribution
Herrera, F., Cárdenas, R., Rivera, M., Riveros, J. A., & Wheeler, P. (2019, December). Predictive Voltage Control Operating at Fixed Switching Frequency of a Neutral-Point Clamped Converter. Presented at 2019 IEEE 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC), Sao Paulo, Brazil

Uninterruptible power supply units are system formed by power electronics converters to supply sinusoidal voltages to feed critical loads. In this paper, a fixed switching frequency model predictive control strategy is presented for the control of th... Read More about Predictive Voltage Control Operating at Fixed Switching Frequency of a Neutral-Point Clamped Converter.

An Improved Control Strategy for Switched Reluctance Generator System in More Electric Aircraft (2019)
Presentation / Conference Contribution
Velmurugan, G., YEOH, S. S., Yang, T., & Bozhko, S. (2019, December). An Improved Control Strategy for Switched Reluctance Generator System in More Electric Aircraft. Presented at 5th IEEE Southern Power Electronics Conference & 15th Brazilian Power Electronics Conference (COBEP/SPEC 2019)), Sao Paulo, Brazil

Switched Reluctance Machines (SRM) has emerged as an important possible technology for usage in More Electric Aircraft (MEA) in particular as a starter/generator. As a starter/generator, the SRM operates as a generator as well as a motor (starter). T... Read More about An Improved Control Strategy for Switched Reluctance Generator System in More Electric Aircraft.

Integrating a Single Z-Source Network with a Modular Multilevel Converter for Voltage Boosting (2019)
Presentation / Conference Contribution
Khera, F. A., Wheeler, P. W., & Klumpner, C. (2019, December). Integrating a Single Z-Source Network with a Modular Multilevel Converter for Voltage Boosting. Presented at 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC 2019), Sao Paolo, Brazil

This paper proposes the integration of a Z-source network with the modular multilevel converter (MMC) to add voltage boosting capability to a voltage step down converter. To limit the increase in complexity, the proposed Z-source modular multilevel c... Read More about Integrating a Single Z-Source Network with a Modular Multilevel Converter for Voltage Boosting.

Modulated Model Predictive Current Control for PMSM Operating With Three-level NPC Inverter (2019)
Presentation / Conference Contribution
Wang, Q., Rivera, M., Riveros, J. A., & Wheeler, P. (2019, December). Modulated Model Predictive Current Control for PMSM Operating With Three-level NPC Inverter. Presented at 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC 2019), San Paolo, Brazil

In finite control set model predictive control (FCS-MPC) strategy only one basic voltage vector is to be selected in per periodic time, which causes big current ripple as well as the torque ripple of permanent magnet synchronous motor (PMSM). To solv... Read More about Modulated Model Predictive Current Control for PMSM Operating With Three-level NPC Inverter.

Multi-modular scalable DC-AC power converter for current injection to the grid based on predictive voltage control (2019)
Presentation / Conference Contribution
Toledo, S., Rivera, M., Maqueda, E., Ayala, M., Pacher, J., Romero, C., Gregor, R., Dragicevic, T., & Wheeler, P. (2019, December). Multi-modular scalable DC-AC power converter for current injection to the grid based on predictive voltage control. Presented at 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC 2019), Sao Paolo, Brazil

Increasing world electrical energy demand make necessary to develop new efficient and reliable schemes for power injection to the existing grid under distributed generation frames. In this work a novel DC-AC control scheme is proposed, which is based... Read More about Multi-modular scalable DC-AC power converter for current injection to the grid based on predictive voltage control.

Reliability Analysis of aircraft starter generator drive converter (2019)
Presentation / Conference Contribution
Harikumaran, J., Buticchi, G., Galea, M., Costabeber, A., & Wheeler, P. (2019, December). Reliability Analysis of aircraft starter generator drive converter. Presented at 2019 - 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC), Sao Paolo, Brazil

Under the more electric aircraft (MEA) theme, many aircraft systems are being electrified. In a previous research work, an electric starter generator system for aircrafts was implemented. This paper presents the reliability of the drive converter-a 3... Read More about Reliability Analysis of aircraft starter generator drive converter.

Predictive Voltage Control of the Direct Matrix Converter applied to Grid Current Injection (2019)
Presentation / Conference Contribution
Toledo, S., Rivera, M., Dragicevic, T., Caballero, D., Wheeler, P., & Gregor, R. (2019, November). Predictive Voltage Control of the Direct Matrix Converter applied to Grid Current Injection. Presented at IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON 2019)), Valparaiso, Chile

Predictive control applied to direct matrix converter provide a feasible option to control the output voltage of a generation system with good performance. In this work a predictive voltage control strategy is proposed as the inner loop control of an... Read More about Predictive Voltage Control of the Direct Matrix Converter applied to Grid Current Injection.

PWM-Based Optimal Model Predictive Control for Variable Speed Generating Units (2019)
Journal Article
Bigarelli, L., di Benedetto, M., Lidozzi, A., Solero, L., Odhano, S. A., & Zanchetta, P. (2020). PWM-Based Optimal Model Predictive Control for Variable Speed Generating Units. IEEE Transactions on Industry Applications, 56(1), 541-550. https://doi.org/10.1109/tia.2019.2955662

This article investigates the dc-link voltage control of an active rectifier that is supplied by a variable speed permanent magnet synchronous generator. This configuration is commonly encountered in gearless wind energy conversion systems as well as... Read More about PWM-Based Optimal Model Predictive Control for Variable Speed Generating Units.