Outputs (651)

Design of a resonant Luneburg lens for surface acoustic waves (2020)
Journal Article
Fuentes-Domínguez, R., Yao, M., Colombi, A., Dryburgh, P., Pieris, D., Jackson-Crisp, A., …Clark, M. (2021). Design of a resonant Luneburg lens for surface acoustic waves. Ultrasonics, 111, Article 106306. https://doi.org/10.1016/j.ultras.2020.106306

© 2020 In this work we employ additive manufacturing to print a circular array of micropillars on an aluminium slab turning its top surface into a graded index metasurface for surface acoustic waves (SAW). The graded metasurface reproduces a Luneburg... Read More about Design of a resonant Luneburg lens for surface acoustic waves.

Comparison of slotted and slotless PM machines for high kW/kg aerospace applications (2020)
Presentation / Conference Contribution
Dave, N., Vakil, G., Xu, Z., Gerada, C., Zhang, H., & Gerada, D. (2020). Comparison of slotted and slotless PM machines for high kW/kg aerospace applications. . https://doi.org/10.23919/icems50442.2020.9291221

With the ambitious targeted emissions reduction, the aircraft industry is moving towards drastically different aircraft architectures including hybrid-electric. These in turn require electrical machines with a step change improvement in power-density... Read More about Comparison of slotted and slotless PM machines for high kW/kg aerospace applications.

Design, Analysis and Dynamic Performance of Radial Magnetic Coupling (2020)
Presentation / Conference Contribution
Akcay, Y., Giangrande, P., & Galea, M. (2020). Design, Analysis and Dynamic Performance of Radial Magnetic Coupling. . https://doi.org/10.23919/icems50442.2020.9291124

Contactless torque/speed transmission is gaining an ever-increasing interest in industry and mobile applications, since the mechanical wear-out is avoided resulting in lower maintenance costs. The radial topology is one possible configuration for mag... Read More about Design, Analysis and Dynamic Performance of Radial Magnetic Coupling.

AC loss Analysis in Winding of Electrical Machines with varying Strands-in-hand and Bundle Shapes (2020)
Presentation / Conference Contribution
Bardalai, A., Gerada, D., Xu, Z., & Gerada, C. (2020). AC loss Analysis in Winding of Electrical Machines with varying Strands-in-hand and Bundle Shapes. In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS) (845-850). https://doi.org/10.23919/icems50442.2020.9290897

This paper presents an investigation into the sensitivity of high-frequency AC effects on the winding with varying number of parallel strands. Based on numerical analysis, a methodology to segregate the losses into components is presented. It is show... Read More about AC loss Analysis in Winding of Electrical Machines with varying Strands-in-hand and Bundle Shapes.

A Novel Magnetic Coupling Configuration for Enhancing the Torque Density (2020)
Presentation / Conference Contribution
Akcay, Y., Giangrande, P., & Galea, M. (2020). A Novel Magnetic Coupling Configuration for Enhancing the Torque Density. . https://doi.org/10.23919/icems50442.2020.9291073

This paper introduces a novel magnetic coupling (MC) topology, which is able to achieve significant torque density values by adding a limited amount of extra permanent magnets (PMs). Indeed, the proposed MC architecture, namely enhanced magnetic coup... Read More about A Novel Magnetic Coupling Configuration for Enhancing the Torque Density.

PM Halbach Arrays in Motors: Loss Reduction and Performance Improvements (2020)
Presentation / Conference Contribution
Hebala, A., Nuzzo, S., Connor, P. H., Giangrande, P., Gerada, C., & Galea, M. (2020). PM Halbach Arrays in Motors: Loss Reduction and Performance Improvements. . https://doi.org/10.23919/ICEMS50442.2020.9291234

© 2020 The Institute of Electrical Engineers of Japan. Halbach array configurations represent a common choice in high-performance electrical machines, since a stronger magnetic field is generated for the same Permanent Magnet (PM) volume. Hence, high... Read More about PM Halbach Arrays in Motors: Loss Reduction and Performance Improvements.

A PM-Assisted Synchronous Reluctance Motor with Two Slot-Pitch Winding (2020)
Presentation / Conference Contribution
Zhu, S., Cox, T., Xu, Z., & Gerada, C. (2020). A PM-Assisted Synchronous Reluctance Motor with Two Slot-Pitch Winding. . https://doi.org/10.23919/icems50442.2020.9291090

This paper presents a novel electric motor solution to tackle the increasing demand on the traction motor for electric vehicles. The proposed electric motor has a 24 slots 10 poles fractional slot two-slot pitch winding and a PM-assisted synchronous... Read More about A PM-Assisted Synchronous Reluctance Motor with Two Slot-Pitch Winding.

P3HT:ZnS Based Photovoltaic Devices with Enhanced Performance Assisted by Oxidised Carbon Nanotubes (2020)
Presentation / Conference Contribution
Wei, C., T. Bishop, M., Wang, Y., Gao, F., Wang, C., & Chen, G. Z. (2020). P3HT:ZnS Based Photovoltaic Devices with Enhanced Performance Assisted by Oxidised Carbon Nanotubes. ECS Meeting Abstracts, MA2020-02(28), Article 1951. https://doi.org/10.1149/ma2020-02281951mtgabs

Photovoltaic devices based of P3HT:ZnS bulk heterojunctions currently produce relatively low efficiencies, limiting the scope these devices have for further development. This work aims to produce a novel photoactive layer, by incorporating oxidised c... Read More about P3HT:ZnS Based Photovoltaic Devices with Enhanced Performance Assisted by Oxidised Carbon Nanotubes.

General synthesis of single atom electrocatalysts: via a facile condensation-carbonization process (2020)
Journal Article
Chen, W., Luo, X., Slater, T. . J., Ling, S., Zhou, Y., Bao, R., …Shen, Y. (2020). General synthesis of single atom electrocatalysts: via a facile condensation-carbonization process. Journal of Materials Chemistry A, 8(48), 25959-25969. https://doi.org/10.1039/d0ta08115a

The general and cost-effective synthesis of single atom electrocatalysts (SAECs) still remains a great challenge. Herein, we report a general synthetic protocol for the synthesis of SAECs via a simple condensation-carbonization process, in which furf... Read More about General synthesis of single atom electrocatalysts: via a facile condensation-carbonization process.

Design and analysis of stable differentiator-predictor (2020)
Journal Article
Wang, X. (2022). Design and analysis of stable differentiator-predictor. International Journal of Control, 95(5), 1228-1250. https://doi.org/10.1080/00207179.2020.1847326

In this paper, the phase lead by the general phase-lead compensator is analysed, and a criterion of its parameters selection is proposed. In order to get the relatively large time-interval prediction for stochastic signal, two types of differentiator... Read More about Design and analysis of stable differentiator-predictor.