Outputs (39)

Investigation on the torsional property of hybrid composite/metal shafts at different service temperatures: Experimental and analytical study (2024)
Journal Article
Qi, W., Xu, Z., Wan, Y., Gerada, D., & Gerada, C. (2024). Investigation on the torsional property of hybrid composite/metal shafts at different service temperatures: Experimental and analytical study. Polymer Composites, 45(12), 11266-11275. https://doi.org/10.1002/pc.28564

Torsional tests were conducted to investigate the influence of service temperature on torsional property of composite/steel hybrid structures. In the experiment, two types of lightweight hybrid composite‐metal shafts were tested at both room temperat... Read More about Investigation on the torsional property of hybrid composite/metal shafts at different service temperatures: Experimental and analytical study.

A Review of Carbon Emissions from Electrical Machine Materials (2024)
Journal Article
Zhang, X., Gerada, D., Xu, Z., Zhang, F., & Gerada, C. (2024). A Review of Carbon Emissions from Electrical Machine Materials. Electronics, 13(9), Article 1714. https://doi.org/10.3390/electronics13091714

As the world embarks on a global mission to tackle climate change, reducing carbon represents a key challenge given the escalating global warming. The U.K. is among many other nations that are determined to decarbonise all sectors and strive to achie... Read More about A Review of Carbon Emissions from Electrical Machine Materials.

A Taguchi-LHS-RSM Double-Staged Approach for Design Optimization of Self-Ventilated Cooling Systems Utilized in PMSMs (2023)
Presentation / Conference Contribution
Zhu, G., Xu, Z., Zhang, F., Gerada, C., & Gerada, D. (2023, November). A Taguchi-LHS-RSM Double-Staged Approach for Design Optimization of Self-Ventilated Cooling Systems Utilized in PMSMs. Presented at 26th International Conference on Electrical Machines and Systems (ICEMS), Zhuhai, China

Thermal management is critical for high-power-density permanent magnet synchronous machines (PMSMs). To realize the efficient and effective design optimization of self-ventilated air cooling systems for PMSMs, in this paper, a Taguchi-preconditioned... Read More about A Taguchi-LHS-RSM Double-Staged Approach for Design Optimization of Self-Ventilated Cooling Systems Utilized in PMSMs.

Design of Hairpin Winding and Random Winding Stators for High Speed Heavy-Duty Traction Motor (2023)
Presentation / Conference Contribution
Jiang, J., Zou, T., La Rocca, A., La Rocca, S., Liu, C., Xu, Z., Gerada, C., Zhu, S., Paciura, K., & Gerada, D. (2023, October). Design of Hairpin Winding and Random Winding Stators for High Speed Heavy-Duty Traction Motor. Presented at 2023 IEEE Vehicle Power and Propulsion Conference (VPPC), Milan, Italy

Hairpin winding with rectangularly shaped conductors are gradually replacing random winding wound with stranded wires in electric vehicle (EV) industry. As the newgeneration winding technology, hairpin winding features high electromagnetic and therma... Read More about Design of Hairpin Winding and Random Winding Stators for High Speed Heavy-Duty Traction Motor.

Analytical Calculation and Experimental Validation of Litz Wires Axial Thermal Conductivity (2023)
Journal Article
Li, Z., Xu, Z., Zhang, F., Gerada, D., Guo, R., Zhang, H., Corfield, M., Gerada, C., & Zhang, C. (2024). Analytical Calculation and Experimental Validation of Litz Wires Axial Thermal Conductivity. IEEE Transactions on Transportation Electrification, 10(1), 1167-1179. https://doi.org/10.1109/TTE.2023.3262766

Litz wires are widely used in electrical machines with reduced AC losses, compared to traditional random winding. The reduced AC losses can improve both electrical machines electromagnetic performance, such as efficiency and thermal performance. Ther... Read More about Analytical Calculation and Experimental Validation of Litz Wires Axial Thermal Conductivity.

Design procedure and optimisation methodology of permanent magnet synchronous machines with direct slot cooling for aviation electrification (2022)
Journal Article
Tameemi, A., Degano, M., Murataliyev, M., Di Nardo, M., Valente, G., Gerada, D., Xu, Z., & Gerada, C. (2023). Design procedure and optimisation methodology of permanent magnet synchronous machines with direct slot cooling for aviation electrification. IET Electric Power Applications, 17(4), 421-561. https://doi.org/10.1049/elp2.12281

Electric machines are widely employed in a variety of sectors, including automotive and aerospace industry. With the rising trend towards electrification in aviation, electric machines with increased power density and efficiency are becoming key enab... Read More about Design procedure and optimisation methodology of permanent magnet synchronous machines with direct slot cooling for aviation electrification.

Airgap Length Analysis of a 350kW PM-Assisted Syn-Rel Machine for Heavy Duty EV Traction (2022)
Journal Article
Zou, T., Gerada, D., La Rocca, S., La Rocca, A., Walker, A., Vakil, G., Arevalo, . S. L., Xu, Z., Cui, M., Bardalai, A., Wang, M., Kumar, R. M. R., Marfoli, A., Paciura, . K., Barden, R., Ernest, E., Zhu, . S., Qayyum, N., McQueen, A., Zhang, F., & Gerada, C. (2023). Airgap Length Analysis of a 350kW PM-Assisted Syn-Rel Machine for Heavy Duty EV Traction. IEEE Transactions on Industry Applications, 59(2), 1557-1570. https://doi.org/10.1109/TIA.2022.3225255

Synchronous reluctance (Syn-Rel) machines with embedded permanent magnets (PMs) are research hotspots in variable speed motor drives due to their robust rotor structure and wide constant power speed range (CPSR). In this paper, the potential of PM-as... Read More about Airgap Length Analysis of a 350kW PM-Assisted Syn-Rel Machine for Heavy Duty EV Traction.

Radial Force Analysis and Optimization of Interior Permanent Magnet Traction Motor for Reduction of Electromagnetic Vibration (2022)
Presentation / Conference Contribution
Li, H., Cui, M., Zou, T., Zhang, X., Zhang, H., Xu, Z., Gerada, D., & Gerada, C. (2022, September). Radial Force Analysis and Optimization of Interior Permanent Magnet Traction Motor for Reduction of Electromagnetic Vibration. Presented at International Conference on Electrical Machines (ICEM 2022), Valencia, Spain

Interior permanent magnet (IPM) machines are subject to rich harmonics of air-gap magnetic field, which correspond to electromagnetic forces and resulting noise, vibration, and harshness (NVH) issues. In this paper, the NVH issue is evaluated based o... Read More about Radial Force Analysis and Optimization of Interior Permanent Magnet Traction Motor for Reduction of Electromagnetic Vibration.

Thermal Contact Conductivity Prediction with Grey Box Model and Experimental Validation for an Axial Flux Motor (2022)
Presentation / Conference Contribution
Li, Z., Zhang, C., Zhang, F., Xu, Z., Gerada, D., Gerada, C., Li, X., Zhang, S., & Zhao, Y. (2022, October). Thermal Contact Conductivity Prediction with Grey Box Model and Experimental Validation for an Axial Flux Motor. Presented at 2022 IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA

Axial Flux Permanent Magnet Synchronous Motor (AFPMSM) attracts increased attention in recent years due to the inherent high torque density. The yokeless and segment armature is one of the most advanced structures, with reduced axial length and incre... Read More about Thermal Contact Conductivity Prediction with Grey Box Model and Experimental Validation for an Axial Flux Motor.

Power Loss and Performance Analysis of a Permanent Magnet Synchronous Motor for Actuator Applications (2022)
Presentation / Conference Contribution
Tameemi, A., Degano, M., Di Nardo, M., Murataliyev, M., Gerada, D., Xu, Z., & Gerada, C. (2022, September). Power Loss and Performance Analysis of a Permanent Magnet Synchronous Motor for Actuator Applications. Presented at 2022 International Conference on Electrical Machines (ICEM), Valencia, Spain

Permanent magnet synchronous motors are very suitable in applications demanding high power density with high performance requirements, such as in aerospace actuators. Achieving high performance targets while keeping the total weight of the electrical... Read More about Power Loss and Performance Analysis of a Permanent Magnet Synchronous Motor for Actuator Applications.