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Areal topography measurement of metal additive surfaces using focus variation microscopy (2018)
Journal Article
Newton, L., Senin, N., Gomez, C., Danzl, R., Helmli, F., Blunt, L., & Leach, R. (2019). Areal topography measurement of metal additive surfaces using focus variation microscopy. Additive Manufacturing, 25, 365-389. https://doi.org/10.1016/j.addma.2018.11.013

In this work, the performance of a focus variation instrument for measurement of areal topography of metal additive surfaces was investigated. Samples were produced using both laser and electron beam powder bed fusion processes with some of the most... Read More about Areal topography measurement of metal additive surfaces using focus variation microscopy.

On understanding the microstructure of SiC/SiC Ceramic Matrix Composites (CMCs) after a material removal process (2018)
Journal Article
Gavalda Diaz, O., Axinte, D., Butler-Smith, P., & Novovic, D. (2019). On understanding the microstructure of SiC/SiC Ceramic Matrix Composites (CMCs) after a material removal process. Materials Science and Engineering: A, 743, 1-11. https://doi.org/10.1016/j.msea.2018.11.037

The unique material nature (e.g. hard, brittle, heterogeneous and orthotropic) of SiC-based Ceramic Matrix Composites (CMCs) highly affects the outcomes of machining process by inducing high thermo-mechanical loads during material removal. This can r... Read More about On understanding the microstructure of SiC/SiC Ceramic Matrix Composites (CMCs) after a material removal process.

Optimized Parameters Design and Adaptive Duty-Cycle Adjustment for Class e DC-DC Converter with on-off Control (2018)
Journal Article
Li, Y., Ruan, X., Zhang, L., Dai, J., & Jin, Q. (2019). Optimized Parameters Design and Adaptive Duty-Cycle Adjustment for Class e DC-DC Converter with on-off Control. IEEE Transactions on Power Electronics, 34(8), 7728-7744. https://doi.org/10.1109/TPEL.2018.2881170

The Class E dc-dc converter, with a simple topology and zero-voltage-switching (ZVS) for the power switch, can operate at a switching frequency of up to megahertz. In this paper, an optimized ZVS operation condition for minimizing the switch voltage... Read More about Optimized Parameters Design and Adaptive Duty-Cycle Adjustment for Class e DC-DC Converter with on-off Control.

Experimental validation of harmonic impedance measurement and LTP Nyquist criterion for stability analysis in power converter networks (2018)
Journal Article
Salis, V., Costabeber, A., Cox, S. M., Tardelli, F., & Zanchetta, P. (2019). Experimental validation of harmonic impedance measurement and LTP Nyquist criterion for stability analysis in power converter networks. IEEE Transactions on Power Electronics, 34(8), 7972-7982. https://doi.org/10.1109/tpel.2018.2880935

This paper presents the first experimental validation of the stability analysis based on the online measurement of harmonic impedances exploiting the Linear Time Periodic (LTP) approach, applied to AC networks of power converters. Previous publicatio... Read More about Experimental validation of harmonic impedance measurement and LTP Nyquist criterion for stability analysis in power converter networks.

Synthesis and functionalisation of spherical meso-, hybrid meso/macro- and macro-porous cellular silica foam materials with regulated pore sizes for CO2 capture (2018)
Journal Article
Sun, Y., Liu, X., Sun, C., Meng, Y., Al-Sarraf, W., Foo, K. Z., Stevens, L., Wang, W., & Liu, H. (2018). Synthesis and functionalisation of spherical meso-, hybrid meso/macro- and macro-porous cellular silica foam materials with regulated pore sizes for CO2 capture. Journal of Materials Chemistry A, 2018(46), 23587-23601. https://doi.org/10.1039/C8TA06224B

A variety of meso, meso/macro and macro-structured siliceous cellular foam (SCFs) materials have been tailor-designed and fabricated from using a modified microemulsion templating methodology with trimethyl benzene (TMB) as the pore expander and Plu... Read More about Synthesis and functionalisation of spherical meso-, hybrid meso/macro- and macro-porous cellular silica foam materials with regulated pore sizes for CO2 capture.

A method for reducing mean flow in oscillating-grid turbulence (2018)
Journal Article
McCorquodale, M. W., & Munro, R. J. (2018). A method for reducing mean flow in oscillating-grid turbulence. Experiments in Fluids, 59(12), Article 182. https://doi.org/10.1007/s00348-018-2636-7

Oscillating-grid turbulence (OGT) is an experimental tool that has been widely used to study the role of turbulent fluctuations under conditions of small mean flow. We report experiments to investigate the structure of the turbulent flow produced by... Read More about A method for reducing mean flow in oscillating-grid turbulence.

Wide Bandgap Voltage Source Inverter Design for Automotive Electric Drivetrain (2018)
Presentation / Conference Contribution
Savi, F., Buticchi, G., Gerada, C., Wheeler, P., & Barater, D. (2018, November). Wide Bandgap Voltage Source Inverter Design for Automotive Electric Drivetrain. Presented at 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles and International Transportation Electrification Conference, ESARS-ITEC 2018, Nottingham, UK

In this paper a high power, high frequency voltage source inverter for automotive traction application is reviewed. The main objectives of the design process is the maximization of power density, while keeping high efficiency and low weight. In this... Read More about Wide Bandgap Voltage Source Inverter Design for Automotive Electric Drivetrain.

Three-Phase Rectifiers with Current Compensation Schemes - Part II: Active and Hybrid Configurations (2018)
Presentation / Conference Contribution
Rivera, M., Faundez, D., Kolar, J., Wheeler, P., Riveros, J. A., & Toledo, S. (2018, November). Three-Phase Rectifiers with Current Compensation Schemes - Part II: Active and Hybrid Configurations. Presented at 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles and International Transportation Electrification Conference, ESARS-ITEC 2018, Nottingham, UK

The current injection schemes for unidirectional three-phase diode bridge rectifiers are widely utilised in industrial and aerospace applications. The additional circuitry in combination with modern control strategies mitigate the effects of the conv... Read More about Three-Phase Rectifiers with Current Compensation Schemes - Part II: Active and Hybrid Configurations.