Publications

2025

FitzPatrick, B., Wright, N., Malkin, P., 2025. Development of a model to assess the inclusion of supercapacitors in battery powered drones. 14th International Conference on Power Electronics, Machines and Drives (PEMD Europe 2025), IET Conference Proceedings 2025-08-01 2025(9): 149-153, doi: 10.1049/icp.2025.2021.

Peng, Q., Huang, H.,  Dobson, J.A., Yin, T., Li, Y. and Buticchi, G. A Stacked Tunneling Magnetoresistance Sensor Structure for Improved Multi-Phase Current Measurement, 2025 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD), Valletta, Malta, 2025, pp. 1-6, doi: 10.1109/WEMDCD61816.2025.11014188.

Burrows, K., Pickert, V., Incurvati, M., Ivic, N., Cannone, M, Odahano, S. Experimental Comparison of Radiated EMI in Si MOSFETs and WBG GaN for Low Voltage Motor Drives, PCIM Conference 2025; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nürnberg, Germany, 2025, pp. 2327-2336, doi: 10.30420/566541309.

Gülletutan, G., Tosun, N., Karagöz, M., Yıldırım, B., Çöklü Z. and Keysan, O. Scaling Laws for Electromagnetic Launchers Considering Pulse Power Supply Limitations, IEEE Transactions on Plasma Science, vol. 53, no. 6, pp. 1387-1396, June 2025, doi: 10.1109/TPS.2025.3562057.

Asker, F.J. and  Baker, N. J., Comparison of inner and outer rotor flux reversal machines using an efficiency-based metric for wave energy converters. 2025 IEEE International Electric Machines & Drives Conference (IEMDC), Houston, TX, USA, May 2025, pp. 525-530, doi: 10.1109/IEMDC60492.2025.11061136.

Giles, D., Deng, X. and Mecrow, B. The Tensile Strength of Neodymium Iron Boron Magnets: Weibull Analysis and the Implications for PM Motor Design, 2025 IEEE International Electric Machines & Drives Conference (IEMDC), Houston, TX, USA, 2025, pp. 116-122, doi: 10.1109/IEMDC60492.2025.11061173.

Ahmad, Z., Wrobel, R., Werner, T. C., Odhano, S. and Pickert, V. A Method for Accurate Measurement of Anisotropic Thermal Conductivity of Impregnated Electrical Windings, in IEEE Transactions on Industry Applications, vol. 61, no. 1, pp. 37-46, Jan.-Feb. 2025, doi: 10.1109/TIA.2024.3471743.

Bramwell, C. & Deng, X. & Balsamo, D. and Mecrow, B. Practical implementation of back EMF zero crossing detection in sensorless permanent magnet synchronous motor drives considering computational resource constraints. IET Conference Proceedings 2025 (9), 105-110.  doi: 10.1049/icp.2025.2013

Ahmad, Z., Wrobel, R., Werner, T.C., Odhano, S., & Pickert, V. (2025). A Comparative Study of Alternative Liquid Cooling Methods in Application to High Specific Output Electric Machines. 2025 Energy Conversion Congress & Expo Europe (ECCE Europe), 1-6. doi.org: 10.1109/ECCE-Europe62795.2025.11238559

Dobson, J.A., Watson, A.J. & Evans, P. (2025). Transient Analysis of the Turn-off of a GaN HEMT for Multicellular Converter Topologies, 2025 28th International Conference on Electrical Machines and Systems (ICEMS), Busan, Korea, Republic of, pp. 2648-2653. doi: 10.23919/ICEMS66262.2025.11317128

Bezerra, Danielly & Golovanov, Dmitry & Zou, Tianjie & Huang, Hailin & Sergentanis, Grigorios & La Rocca, Antonino & Cairns, Alasdair & Gerada, Chris & Majer, Jan & Al-Tayie, Jay. (2025). Accurate Analytical Eddy Current Loss Calculation in Hairpin Windings. 1-6. 10.1109/ECCE-Europe62795.2025.11238910. 

G. Sergentanis, Y. R. De Novaes, D. L. Bezerra, L. De Lillo, L. Empringham and M. C. Johnson, "A Tri-Mode Series Resonant Converter for Wide Input Voltage Applications," 2025 Energy Conversion Congress & Expo Europe (ECCE Europe), Birmingham, United Kingdom, 2025, pp. 1-6, doi: 10.1109/ECCE-Europe62795.2025.11238885.

D. L. Bezerra, T Zou, D Golovanov, H Huang, G Sergentanis, A La Rocca., "Equivalent Electrical Circuit Method for Calculating Circulating Current in Hairpin Windings," 2025 IEEE Energy Conversion Conference Congress and Exposition (ECCE), Philadelphia, PA, USA, 2025, pp. 1-8, doi: 10.1109/ECCE58356.2025.11260074.

Y. Wu, X. Ren, T. Zou, H. Huang, D. Bezerra and C. Gerada, "Magnetic Equivalent Circuit Based Analytical Modelling of Interior Permanent Magnet Motor: A Critical Review," 2025 IEEE Vehicle Power and Propulsion Conference (VPPC), Hangzhou, China, 2025, pp. 1-7, doi: 10.1109/VPPC66000.2025.11393085.

D. L. Bezerra, A Rocca, T Zou, S La Rocca, H Huang, A Cairns., "Impact of Hairpin End Winding Geometry on Spray Cooling Performance," 2025 IEEE Energy Conversion Conference Congress and Exposition (ECCE), Philadelphia, PA, USA, 2025, pp. 1-6, doi: 10.1109/ECCE58356.2025.11260211.

E. Fakhuri, C. Klumpner, M. R. Ahmed and Y. Li, "A Novel 22 kW Bidirectional All-GaN Integrated Onboard Charger Using a 3L-NPC and Interleaved Dual-Buck With Low Common Mode Voltage," 2025 IEEE 10th Southern Power Electronics Conference (SPEC), Johannesburg, South Africa, 2025, pp. 1-6, doi: 10.1109/SPEC64875.2025.11376879.

E. Fakhuri, M. R. Ahmed, C. Klumpner and Y. Li, "A Systematic Topology-Level Comparison of Power Density and Thermal Constraints in DC/DC Converters for EV Onboard Chargers," 2025 Energy Conversion Congress & Expo Europe (ECCE Europe), Birmingham, United Kingdom, 2025, pp. 1-7, doi: 10.1109/ECCE-Europe62795.2025.11238629.

H. Shirzad, F. Mahmouditabar, L. Cao and N. Baker, "A Sustainable Approach to Magnet Thermal Class Selection Considering Irreversible Demagnetization," IECON 2025 – 51st Annual Conference of the IEEE Industrial Electronics Society, Madrid, Spain, 2025, pp. 1-7, doi: 10.1109/IECON58223.2025.11221793.

I. D. Abadi, M Deakin, V Terzija, Harmonic distortion in distribution grids: A case study in electric vehicle integration, Manchester Energy & Electrical Power Systems (MEEPS) Symposium, November 2025

K. Burrows, V. Pickert, M. Incurvati, N. Ivic,  S.A. Odhano. (2025). Slew Rate and Oscillation Control for Radiated EMI Mitigation in GaN-Based Motor Drives. 1-6. 10.1109/ECCE-Europe62795.2025.11238741.

N. Tosun, D. Molligoda, X. Deng and B. C. Mecrow, "Exploring the Third Quadrant Characteristics of GaN HEMTs and Their Potential as Single-Gate Bidirectional Switches," 2025 Energy Conversion Congress & Expo Europe (ECCE Europe), Birmingham, United Kingdom, 2025, pp. 1-5, doi: 10.1109/ECCE-Europe62795.2025.11238524.

G. Gülletutan, N. Tosun, M. Karagöz, B. Yıldırım, Z. Çöklü and O. Keysan, "Static Armature Shape Optimization for Electromagnetic Launchers Considering Specific Action," in IEEE Transactions on Plasma Science, vol. 53, no. 11, pp. 3544-3553, Nov. 2025, doi: 10.1109/TPS.2025.3619078.

S. Ojukwu, S. Maheshwari, M. Mamlouk, V. Pickert, A. Yakovlev and R. Shafik, "Explainable Data-Driven Battery State of Charge Estimation," 2025 Energy Conversion Congress & Expo Europe (ECCE Europe), Birmingham, United Kingdom, 2025, pp. 1-6, doi: 10.1109/ECCE-Europe62795.2025.11238681.

J. Manley, V. Pickert and O. Heidrich, "The Environmental Impact of Power Electronics Education: A Case Study," 2025 Energy Conversion Congress & Expo Europe (ECCE Europe), Birmingham, United Kingdom, 2025, pp. 1-6, doi: 10.1109/ECCE-Europe62795.2025.11238735.

M. Shahjalal, U. Mustafa, S. Stoyanov and M. R. Ahmed, "Lumped Thermal Model for Magnetic Components in an Interleaved DC–DC Converter," in IEEE Open Journal of Power Electronics, vol. 7, pp. 226-238, 2026, doi: 10.1109/OJPEL.2025.3644589. 

W. Layzell-Smith, H. Li, M.A. Darmani, H. Huang, T. Zou, M.R. Ilkhani, T. Cox, C. Gerada. "Rotor Shape Optimisation of Vernier Reluctance Machines for Minimum Noise," 2025 28th International Conference on Electrical Machines and Systems (ICEMS), Busan, Korea, Republic of, 2025, pp. 877-882, doi: 10.23919/ICEMS66262.2025.11317684.

W. Layzell-Smith, H Li, M.A. Darmani, H. Huang, T. Zou, M.R. Ilkhani, T. Cox, C. Gerada. "Vibration Study of Vernier Reluctance Machines," 2025 28th International Conference on Electrical Machines and Systems (ICEMS), Busan, Korea, Republic of, 2025, pp. 871-876, doi: 10.23919/ICEMS66262.2025.11317144.

2024

Asker, F.J. and  Baker, N. J. Investigating the effect of variation of coefficient of friction on electrical machines designed for wave energy. IET Powering Net Zero (PNZ 2024), Birmingham, UK, Dec 2024, pp. 141-146, doi: 10.1049/icp.2024.4553.

Yakut M, Roy A, Arith F, Whitworth A, Alexander A, Gryglewicz J, Sheriff, J., Olsen, S., Vasilevskiy, K., O’Neill, A. Increasing Mobility in 4H-SiC MOSFETs with Deposited Oxide by In-Situ Nitridation of SiC Surface. SSP 2024;359:157–62. https://doi.org/10.4028/p-vy4b9t.

Parry, Z., Empringham, L. and De Lillo, L. A Study on the Feasibility of Using SiC Devices in Realising Highly Power Dense Matrix Converters, 2024 IEEE 9th Southern Power Electronics Conference (SPEC), Brisbane, Australia, Dec 2024, pp. 1-5, doi: 10.1109/SPEC62217.2024.10893263.

Ahmad, Z., Wrobel, R., Werner, T.C. and Pickert, V. "A Single-Platform Analysis of Selected Cooling Variants of Electric Machines," 2024 International Conference on Electrical Machines (ICEM), Torino, Italy, Sep 2024, pp. 1-7, doi: 10.1109/ICEM60801.2024.10700096.

Tecklehaimanot, Y., Elgendy, M. Odhano, S. and Pickert, V. Reducing Torque Ripple in Switched Reluctance Motors Using a Novel Power Converter, IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society, Chicago, IL, USA, 2024, pp. 1-6, doi: 10.1109/IECON55916.2024.10905152.

Krishnamurthy, K., Duan, S., Ojukwu, J., Ghazal, O., Yakovlev, A. and Shafik, R. 9T SRAM Cell Based Wired-OR Logic Arrays for Tsetlin Machine Inference, 2024 International Symposium on the Tsetlin Machine (ISTM), Pittsburgh, PA, USA, 2024, pp. 1-4, doi: 10.1109/ISTM62799.2024.10931372.

Stainthorpe, B., Dahidah, M. and Pickert, V., A Synchronous Switching Method for a Variable Frequency ZVS Boost Converter, 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 7233-7240, doi: 10.1109/ECCE55643.2024.10860866.

Asker, F. J., Baker, N. J., Versey, M. J., and Retzler, C. Analysis of the effect of friction on the efficiency calculations of an electric machine for a wave energy converter, 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham, UK, 2024, pp. 380-386, doi: 10.1049/icp.2024.2182.

Stainthorpe, B., Dahidah, M. and Pickert, V. An Experimental Performance Comparison of GaN and Silicon Based FETs in an Emergency LED Driver, 2024 IEEE Workshop on Wide Bandgap Power Devices and Applications in Europe (WiPDA Europe), Cardiff, United Kingdom, 2024, pp. 1-6, doi: 10.1109/WiPDAEurope62087.2024.10797257.

Mustafa, U., Angel-Pena, Q., Bassem, M., Naseer, A., Parmjeet, D. and Ahmed, R.  (2024)  Ageing parameter detection for condition monitoring of SiC MOSFET based drives.  In 13th International Conference Power Electronics, Machines and Drives Conference (PEMD), 2024.

Tosun, N., Atkinson, G. and Mecrow, B. Utilising the Core Capacitance Achieved Through Ultra-Thin Soft Magnetic Sheets and Insulators, 2024 International Conference on Electrical Machines (ICEM), Torino, Italy, 2024, pp. 1-7, doi: 10.1109/ICEM60801.2024.10700390.

Yakut, M. S., Gülletutan,G., Tosun, N. and Keysan, O. Rewinding of Old 44 MVA Hydro Generator Considering Vibrational Forces, 2024 International Conference on Electrical Machines (ICEM), Torino, Italy, 2024, pp. 1-7, doi: 10.1109/ICEM60801.2024.10700125.

Tosun, N. Gülletutan, G. and Keysan, O. Eddy Brake Reaction at Bus Structures of Medium-Large Caliber Electromagnetic Launchers, 2024 International Conference on Electrical Machines (ICEM), Torino, Italy, 2024, pp. 1-7, doi: 10.1109/ICEM60801.2024.10700432.

Dobson, J. A., Watson, A. J., Evans, P., Lophitis, N., Johnson, M. and Leedham, R. A Multicellular Converter Topology Allowing for the Scaling of GaN HEMTs to Higher Power Applications. 2024 27th International Conference on Electrical Machines and Systems (ICEMS), Fukuoka, Japan, 2024, pp. 1435-1442, doi: 10.23919/ICEMS60997.2024.10921415.

Mustafa, U., Ionnis, K., Watson, A.J., Wheeler, P. and Ahmed, R.  (2024)  Design Analysis of High-Frequency, High-Power 3-Phase DAB Transformer for Electric Vehicle Charger Applications.  In IEEE Transportation Electrification Conference and Expo (ITEC), 2024.

Davies, S.H., Christensen, P., Holberg, T., Avelar, J. and Heidrich, O. (2024) Raw Materials and Recycling of Lithium-Ion Batteries, in Passerini, S., Barelli, L., Baumann, M., Peters, J. and Weil, M. (ed) Emerging Battery Technologies to Boost the Clean Energy Transition Springer Cham, pp143-169.

Pena-Quintal, A., Mustafa, U., Gerada, C. and Ahmed, R.  (2024)  On Accelerated Degradation of DC-Link Film Capacitors and Data-based Lifetime Estimation.  In IEEE Access, Vol.12, pp.177565-177575, October 2024.

2023

Sergentanis, G., Řomulo de Novaes, Y., de Lillo, L., Empringham, E. and Johnson, C.M.  Dynamic Characterization of of 650V GaN HEMT Transistors.  In 17th Brazilian Power Electronics Conference and 8th Southern Power Electronics Conference, Brazil, November 2023.

G. Gülletutan, O Keysan, N Tosun, F Yurdakonar, B Yidirim, Z Çöklü, "Scaling Laws for Electromagnetic Launchers Considering an Existing Pulse Power Supply," 2023 IEEE Pulsed Power Conference (PPC), San Antonio, TX, USA, 2023, pp. 1-5, doi: 10.1109/PPC47928.2023.10310959.

Ahmad, Z., Wrobel, R., Werner, TC., Odhano, S. and Pickert V.  An Accurate Experimental Approach for Deriving Equivalent Thermal Conductivity of Impregnated Electrical Windings.  In IEEE Energy Conversion Congress and Exposition (ECCE 2023), Nashville, USA, October 2023.

Asker, F.J., Baker, N.J. and Retzler, C.  Comparison of optimisation methods for power take off design in a wave energy converter  In PEMD 12th International Conference, Brussels, October 2023.

Tecklehaimanot, Y.  A Novel Switched Reluctance Motor Power Converter with less active component In IEEE 49th IES Conference, Singapore, October 2023.

Ojukwu, S. J., Maheshwari,  S., Shafik, R., Yakovlev, A. and Mamlouk, M. AI-Driven Battery State-of-Charge Estimation using Electrochemical Impedance Spectroscopy, 2023 International Symposium on the Tsetlin Machine (ISTM), Newcastle upon Tyne, United Kingdom, 2023, pp. 1-8, doi: 10.1109/ISTM58889.2023.10454954.

Walmsley, R.  Optimal Sizing of Hybrid-electric Aircraft Propulsion Systems In Centre for Power Electronics Conference, Nottingham, July 2023.

Stainthorpe, B., Dahidah, M. and Pickert, V. A Dual Output Discontinuous Conduction Mode SEPIC with Integrated Boost DC-DC Converter In Centre for Power Electronics Conference, Nottingham, July 2023.

Stainthorpe, B., Dahidah, M. and Pickert, V. A Dual Output Discontinuous Conduction Mode SEPIC with Integrated Boost DC-DC Converter In PCIM Europe, Nuremberg, Germany, May 2023.

Ahmed, S., Mecrow, B., Deng, X. and Smith, D. A New Winding Configuration for High Pole Number, Bearingless Machines In IEMDC 2023, San Francisco, USA, May 2023.

Chambers L, Baker NJ. Designing an Integrated Generator for a Wave Energy Converter In IEMDC 2023, San Francisco, USA, May 2023.

Bezerra D.L, Tianjie Z, La Rocca A, Cui M, Huang H, Cairns, A, Gerada C. Analysis of Circulating Current in Hairpin Windings Due to Manufacturing Deviation In IEMDC 2023, San Francisco, USA, May 2023.

Walmsley B, An Optimisation Tool for Hybrid Electric Aircraft Systems In IEMDC 2023, San Francisco, USA, May 2023.

Ghazal, O., Maot, G., Lan, T., Ojukwu, J., Xia, F., Yakolev, A., Shafik, R. Asynchronous Control for Tsetlin Machine with Binary Memristor-Transistor Array, 2023 IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, CA, USA, 2023, pp. 1-5, doi: 10.1109/ISCAS46773.2023.10181560.

N. Tosun, G. Gülletutan, M. S. Yakut, D. Alp Yilmaz, Ö. Bayer and O. Keysan, "Winding Type Alternation of a Refurbished Old Generator," 2023 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD), Newcastle upon Tyne, United Kingdom, 2023, pp. 1-6, doi: 10.1109/WEMDCD55819.2023.10110941.

Mustafa, U.; Ahmed, R.; Watson, A.; Wheeler, P.; Ahmed, N.; Dahele, P. A Comprehensive Review of Machine-Integrated Electric Vehicle Chargers. Energies 2023, 16, 129. https://doi.org/10.3390/en16010129

Wise, M.. Christensen, P., Dickman, N., McDonald, J., Mrozik, W., Lambert, S., Restuccia, F. (2023). Calculating Heat Release Rates from Lithium-Ion Battery Fires: A Methodology Using Digital Imaging. Fire Technology. 59. 10.1007/s10694-023-01484-7. 

2022

Sergentanis G, de Lillo L, Empringham L, Johnson C.M. A Topology-Morphing Series Resonant Converter for Photovoltaic Module Applications. In: the 24th European Conference on Power Electronics and Applications (EPE 2022 ECCE Europe) Hannover, Germany, September 2022.

Alexander J, Peter H. Connor P.H., Gaurang Vakil, Paul Evans, Pat Wheeler, Simon Hart, Cooling System Sizing using LPTN Analysis and Multiphysics Modelling for an Axial Flux Machine and Integrated Drive. In: International Conference on Electrical Machines (ICEM 2022), Valencia, Spain, September 2022. 

Chambers L, Baker NJ.  Developing a Direct Drive Power Take Off for the Mocean Wave Energy Converter.  In:  Power Electronics, Machines and Drives Conference (PEMD) 2022, Newcastle upon Tyne, June 2022. 

Galea, G., Pickert, V., Gibson, RS. and Armstrong, M.  Using Device Figure of Merit to Optimize Transistor Selection based on Switching and Conduction Loss Over a Wide Temperature Range In:  Power Electronics, Machines and Drives Conference (PEMD) 2022, Newcastle upon Tyne, June 2022.

2021

Chambers L, Baker NJ, Galbraith M, Spooner E.  Comparison of the Flux Reversal and Vernier Hybrid Machine for a Hinged Wave Energy Converter. In: 2021 IEEE Energy Conversion Congress and Exposition (ECCE). 2021, Vancouver, BC, Canada: IEEE, October 2021. 

Tecklehaimanot Y. E.  Silicon Carbide Based Switched Reluctance Motor Drive for Automotive Application.  In:  Centre for Power Electronics Online Conference, July 2021

Chambers L, Baker NJ.  Comparison of a Flux Reversal and Vernier Hybrid Machine for a Hinged Wave Energy Converter.  In: Centre for Power Electronics Online Conference, July 2021