Outputs (28)

Maximum Efficiency Tracking Control for Omnidirectional Wireless Power Transfer System Based on AdamW Algorithm (2024)
Journal Article
Chen, Z., Sun, X., Song, W., Wheeler, P., Liu, J., & Ren, B. (2025). Maximum Efficiency Tracking Control for Omnidirectional Wireless Power Transfer System Based on AdamW Algorithm. IEEE Transactions on Power Electronics, 40(3), 4602-4612. https://doi.org/10.1109/tpel.2024.3486048

In order to increase the transmission efficiency of the receiving and transmitting coils of the omnidirectional wireless power transfer (OWPT) system in all-direction wireless transmission, and to reach the system's maximum efficiency output under co... Read More about Maximum Efficiency Tracking Control for Omnidirectional Wireless Power Transfer System Based on AdamW Algorithm.

High Precision Online MTPA Algorithm Considering Magnet Flux Parameter Mismatch for a PMa-SynRM (2024)
Journal Article
Li, D., Wang, S., Gu, C., Bao, Y., Zhang, X., Gerada, C., & Zhang, H. (2024). High Precision Online MTPA Algorithm Considering Magnet Flux Parameter Mismatch for a PMa-SynRM. IEEE Transactions on Energy Conversion, 1-12. https://doi.org/10.1109/tec.2024.3469948

To improve the controlled current angle accuracy and reduce the copper loss for a Permanent Magnet assisted Synchronous Reluctance Machine (PMa-SynRM), this paper proposes an online Maximum Torque per Ampere (MTPA) control strategy based on Virtual H... Read More about High Precision Online MTPA Algorithm Considering Magnet Flux Parameter Mismatch for a PMa-SynRM.

Highly Manufacturable Edgewise Winding Design Integrating Cooling Solutions for High Power Density Applications (2024)
Presentation / Conference Contribution
George, E., Walker, A., Zhang, F., Vakil, G., & Gerada, C. (2024, October). Highly Manufacturable Edgewise Winding Design Integrating Cooling Solutions for High Power Density Applications. Presented at 2024 IEEE Vehicle Power and Propulsion Conference, VPPC 2024, Washington, DC, USA

Edgewise winding is reported recently for high-performance electric machines. However, to achieve widespread uptake of electric machines, it is essential to consider the manufacturing time of the complete machine solution. For example, with different... Read More about Highly Manufacturable Edgewise Winding Design Integrating Cooling Solutions for High Power Density Applications.

In-Slot Oil Cooling Arrangement of Hairpin Windings for High Power Density EV Traction Motors (2024)
Presentation / Conference Contribution
Mifsud, L. P., Connor, P. H., Walker, A., Zou, T., Huang, H., Ren, X., Batho, G., Tweedy, O., Gerada, C., & Egger, C. (2024, October). In-Slot Oil Cooling Arrangement of Hairpin Windings for High Power Density EV Traction Motors. Presented at 2024 IEEE Vehicle Power and Propulsion Conference, VPPC 2024, Washington, DC, USA

Ambitious electrification roadmaps for the automotive industry have prompted a revolution in winding technology for traction motors in electric vehicles (EV). Hairpin windings with reduced power losses and improved coolability are overtaking the mark... Read More about In-Slot Oil Cooling Arrangement of Hairpin Windings for High Power Density EV Traction Motors.

High Pole Number Outer-Rotor SPM Machine for Sustainable 150kW High-Speed EV Traction (2024)
Presentation / Conference Contribution
Walker, A., Zou, T., Mifsud, L. P., Connor, P., Huang, H., Ren, X., Batho, G., Tweedy, O., Gerada, C., & Kaloun, A. (2024, October). High Pole Number Outer-Rotor SPM Machine for Sustainable 150kW High-Speed EV Traction. Presented at 2024 IEEE Vehicle Power and Propulsion Conference, VPPC 2024, Washington, DC, USA

The ambitious roadmaps of electric vehicle (EV) powertrains are pushing traction motors to achieve step-change performance improvements in power density, efficiency, and cost by 2035. Limited by technology bricks such as materials, manufacturing and... Read More about High Pole Number Outer-Rotor SPM Machine for Sustainable 150kW High-Speed EV Traction.

Adaptive Filtering for Multi-Track Audio Based on Time–Frequency Masking Detection (2024)
Journal Article
Zhao, W., & Pérez-Cota, F. (2024). Adaptive Filtering for Multi-Track Audio Based on Time–Frequency Masking Detection. Signals, 5(4), 633-641. https://doi.org/10.3390/signals5040035

There is a growing need to facilitate the production of recorded music as independent musicians are now key in preserving the broader cultural roles of music. A critical component of the production of music is multitrack mixing, a time-consuming task... Read More about Adaptive Filtering for Multi-Track Audio Based on Time–Frequency Masking Detection.

An Anti-Disturbance Extended State Observer-Based Control of a PMa-SynRM for Fast Dynamic Response (2024)
Journal Article
Li, D., Wang, S., Gu, C., Bao, Y., Zhang, X., Gerada, C., & Zhang, H. (2024). An Anti-Disturbance Extended State Observer-Based Control of a PMa-SynRM for Fast Dynamic Response. Energies, 17(17), 4260. https://doi.org/10.3390/en17174260

The control system of PMa-SynRMs (Permanent Magnet-assisted Synchronous Reluctance Machines) exhibit susceptibility to external disturbances, thereby emphasizing the utmost significance of employing an observer to effectively observe and suppress sys... Read More about An Anti-Disturbance Extended State Observer-Based Control of a PMa-SynRM for Fast Dynamic Response.

A Microwave Subsystem (MS) Capable of Realizing Functional Change with the Aid of 2D-shaped Liquid Metal (LM) (2024)
Journal Article
Fang, X., Alkaraki, S., & Kelly, J. R. (2024). A Microwave Subsystem (MS) Capable of Realizing Functional Change with the Aid of 2D-shaped Liquid Metal (LM). Progress In Electromagnetics Research B, 108, 17-30. https://doi.org/10.2528/pierb24062303

This paper presents the first microwave subsystem (MS) capable of changing its function, in this case between resonator and antenna, using liquid metal (LM). This is achieved by filling/emptying fluidic channels with Gallium-based LM and forming LM i... Read More about A Microwave Subsystem (MS) Capable of Realizing Functional Change with the Aid of 2D-shaped Liquid Metal (LM).

On the Impact of High-Power Grid-Connected Thyristor Rectifiers on the Efficiency of Hydrogen Electrolyzers (2024)
Presentation / Conference Contribution
Iribarren, Á., Barrios, E. L., Rivera, M., Wheeler, P., Sanchis, P., & Ursúa, A. (2024, June). On the Impact of High-Power Grid-Connected Thyristor Rectifiers on the Efficiency of Hydrogen Electrolyzers. Presented at 2024 International Conference on Renewable Energies and Smart Technologies (REST), Prishtina, Kosovo

This paper investigates the impact of power supply and dc current ripple on the efficiency of water electrolyzers and demonstrates that optimally sized thyristor rectifiers meeting grid power quality regulations can effectively supply high-power elec... Read More about On the Impact of High-Power Grid-Connected Thyristor Rectifiers on the Efficiency of Hydrogen Electrolyzers.

Design Analysis of High-Frequency, High Power 3-Phase DAB Transformer for Electric Vehicle Charger Applications (2024)
Presentation / Conference Contribution
Mustafa, U., Kougioulis, I., Watson, A. J., Wheeler, P., & Ahmed, M. R. (2024, June). Design Analysis of High-Frequency, High Power 3-Phase DAB Transformer for Electric Vehicle Charger Applications. Presented at 2024 IEEE Transportation Electrification Conference and Expo (ITEC), Chicago, IL, USA

The power requirements for onboard chargers in Electric Vehicles are increasing due to the need for increased charging speeds. The 3-Phase Dual Active Bridge (DAB) DC-DC converter is an enabling topology for high-power onboard chargers (22kW). Howeve... Read More about Design Analysis of High-Frequency, High Power 3-Phase DAB Transformer for Electric Vehicle Charger Applications.