Professor PATRICK WHEELER's Outputs (576)

Cooling System Sizing using LPTN Analysis and Multiphysics Modelling for an Axial Flux Machine and Integrated Drive (2022)
Presentation / Conference Contribution
Jeffrey, A. J., Connor, P. H., Vakil, G., Evans, P., Wheeler, P., & Hart, S. (2022, September). Cooling System Sizing using LPTN Analysis and Multiphysics Modelling for an Axial Flux Machine and Integrated Drive. Presented at 2022 International Conference on Electrical Machines (ICEM), Valencia, Spain

In this paper a Lumped Parameter Thermal Network (LPTN) is proposed for a Yokeless and Segmented Armature (YASA) axial flux permanent magnet (AFPM) machine. A simulation model is used to examine the machine in isolation, with an Integrated Motor Driv... Read More about Cooling System Sizing using LPTN Analysis and Multiphysics Modelling for an Axial Flux Machine and Integrated Drive.

Application of a Single-Phase Matrix Converter for Electric Vehicle Charging (2022)
Presentation / Conference Contribution
Vidal, C., Tarisciotti, L., Diaz, M., Cardenas, R., Rodriguez, J., & Wheeler, P. (2022, September). Application of a Single-Phase Matrix Converter for Electric Vehicle Charging. Presented at 2022 IEEE Biennial Congress of Argentina (ARGENCON), San Juan, Argentina

The Single-Phase Matrix Converter has been identified as a potential alternative to enable bidirectional residential electric vehicle charge due to its direct AC-AC conversion, high power density, and bidirectional power flow. However, implementation... Read More about Application of a Single-Phase Matrix Converter for Electric Vehicle Charging.

A bidirectional three-level interleaved DC-DC converter for an electric vehicle charging station operating in a wide range of battery currents and voltages (2022)
Presentation / Conference Contribution
Putera, P., Klumpner, C., & Wheeler, P. (2022, June). A bidirectional three-level interleaved DC-DC converter for an electric vehicle charging station operating in a wide range of battery currents and voltages. Presented at PEMD 2022 : The 11th International Conference on Power Electronics, Machines and Drives, Hybrid Conference, Newcastle, UK

Charging an Electrical Vehicle (EV) is a process dependent on the specs of their battery in each car with the charger being custom designed. This means that designing the converter for a general EV charging station is very challenging because it must... Read More about A bidirectional three-level interleaved DC-DC converter for an electric vehicle charging station operating in a wide range of battery currents and voltages.

Surrogate role of machine learning in motor-drive optimization for more-electric aircraft applications (2022)
Journal Article
Gao, Y., Cheong, B., Bozhko, S., Wheeler, P., Gerada, C., & Yang, T. (2023). Surrogate role of machine learning in motor-drive optimization for more-electric aircraft applications. Chinese Journal of Aeronautics, 36(2), 213-228. https://doi.org/10.1016/j.cja.2022.08.011

Motor drives form an essential part of the electric compressors, pumps, braking and actuation systems in the More-Electric Aircraft (MEA). In this paper, the application of Machine Learning (ML) in motor-drive design and optimization process is inves... Read More about Surrogate role of machine learning in motor-drive optimization for more-electric aircraft applications.

Modeling Techniques and Stability Analysis Tools for Grid-Connected Converters (2022)
Journal Article
Peng, Q., Buticchi, G., Tan, N. M. L., Guenter, S., Yang, J., & Wheeler, P. (2022). Modeling Techniques and Stability Analysis Tools for Grid-Connected Converters. IEEE Open Journal of Power Electronics, 3, 450-467. https://doi.org/10.1109/OJPEL.2022.3190103

Large-scale integration of renewable generation interfaced to the network through power electronic converters has led to drastic changes in power system dynamics. In islanded microgrids or weak grids, different control concepts for the synchronizatio... Read More about Modeling Techniques and Stability Analysis Tools for Grid-Connected Converters.

Strong Adaptability Control Based on Dual-Division-Summation Current Control for an LCL-Type Grid-Connected Inverter (2022)
Journal Article
Liu, J., Sun, X., Ren, B., Song, W., & Wheeler, P. (2022). Strong Adaptability Control Based on Dual-Division-Summation Current Control for an LCL-Type Grid-Connected Inverter. IEEE Transactions on Power Electronics, 37(12), 14157 - 14172. https://doi.org/10.1109/tpel.2022.3188562

The nonignorable grid impedance is one of the characteristics of a weak grid. Meanwhile, the filter inductance also fluctuates with temperature or aging factors. The resonant frequency offset of an LCL filter will be caused by the change in power gri... Read More about Strong Adaptability Control Based on Dual-Division-Summation Current Control for an LCL-Type Grid-Connected Inverter.

Harmonic Modeling Methods for Power Electronic Converters: Case study and Comparison (2022)
Presentation / Conference Contribution
Peng, Q., Buticchi, G., Tan, N. M. L., Guenter, S., Yang, J., & Wheeler, P. (2022, June). Harmonic Modeling Methods for Power Electronic Converters: Case study and Comparison. Presented at 2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), Kiel, Germany and online

Large-scale integration of renewable generation interfaced to the network through power electronic converters has led to drastic changes in power system dynamics. In islanded microgrids such as More Electric Aircraft on-board microgrids or airport gr... Read More about Harmonic Modeling Methods for Power Electronic Converters: Case study and Comparison.

Switching State Selection for Model Predictive Control Based on Genetic Algorithm Solution in an Indirect Matrix Converter (2022)
Journal Article
Song, W., Yang, Y., Qin, W., & Wheeler, P. (2022). Switching State Selection for Model Predictive Control Based on Genetic Algorithm Solution in an Indirect Matrix Converter. IEEE Transactions on Transportation Electrification, 8(4), 4496 - 4508. https://doi.org/10.1109/tte.2022.3185378

Model predictive control (MPC) has emerged as a promising control scheme for power converters and motor drives. One of the major advantages of MPC is the possibility to control several system objectives with a single control law (cost function). Howe... Read More about Switching State Selection for Model Predictive Control Based on Genetic Algorithm Solution in an Indirect Matrix Converter.

Hybrid Power Drive Solution for Increased Sustainability in Aircraft Actuation Systems (2022)
Presentation / Conference Contribution
O'Donnell, S., Egan, L., Calmels, A., & Wheeler, P. (2022, April). Hybrid Power Drive Solution for Increased Sustainability in Aircraft Actuation Systems. Presented at 2022 IEEE Conference on Technologies for Sustainability (SusTech), Corona, USA (online)

As aircraft become more electric, power electronic solutions are increasing in importance. Hydraulic and pneumatic systems are being replaced with more sustainable electronic alternatives which offer significant advantages including lower weight, les... Read More about Hybrid Power Drive Solution for Increased Sustainability in Aircraft Actuation Systems.

An Interleaved Soft Switched High Step-Up Boost Converter With High Power Density for Renewable Energy Applications (2022)
Journal Article
Khorasani, R. R., Jazi, H. M., Chaudhuri, N. R., Khoshkbar-Sadigh, A., Shaneh, M., Adib, E., & Wheeler, P. (2022). An Interleaved Soft Switched High Step-Up Boost Converter With High Power Density for Renewable Energy Applications. IEEE Transactions on Power Electronics, 37(11), 13782-13798. https://doi.org/10.1109/TPEL.2022.3181946

In this article, a novel soft switched interleaved boost structure with a simple auxiliary circuit is proposed which is suitable for stand-alone loads or ac grid applications. In this topology, coupled inductors and switched capacitor cells of parall... Read More about An Interleaved Soft Switched High Step-Up Boost Converter With High Power Density for Renewable Energy Applications.

Generalised model predictive controller design for A DC–DC non-inverting buck–boost converter optimised with a novel identification technique (2022)
Journal Article
Ghamari, S. M., Khavari, F., Molaee, H., & Wheeler, P. (2022). Generalised model predictive controller design for A DC–DC non-inverting buck–boost converter optimised with a novel identification technique. IET Power Electronics, https://doi.org/10.1049/pel2.12309

An on-line generalised model predictive control (GMPC) strategy is designed and optimised with a novel identification procedure in the presence of different disturbances. The principle of MPC is utilising a discrete-time model of a system to reach th... Read More about Generalised model predictive controller design for A DC–DC non-inverting buck–boost converter optimised with a novel identification technique.

Are we on the brink of a post-silicon era in aircraft power electronics? (2022)
Journal Article
Lophitis, N., Almpanis, I., & Wheeler, P. (2022). Are we on the brink of a post-silicon era in aircraft power electronics?. Institute of Materials, Minerals & Mining,

Control-Based Two-Layer Protection for Short-Circuit Fault at an LVDC Feeder Branch (2022)
Journal Article
Yang, J., Brueske, S., Buticchi, G., Gu, C., Guenter, S., & Wheeler, P. (2022). Control-Based Two-Layer Protection for Short-Circuit Fault at an LVDC Feeder Branch. Energies, 15(11), Article 4054. https://doi.org/10.3390/en15114054

Low-voltage dc distribution offers high efficiency for grid integration of dc-based technologies such as photovoltaic and battery storage systems and new loads such as charging stations for electric vehicles due to reduced number of conversion stages... Read More about Control-Based Two-Layer Protection for Short-Circuit Fault at an LVDC Feeder Branch.

Hybrid Active Modulation Strategy for Three-Level Neutral-Point-Clamped Converters in High-Speed Aerospace Drives (2022)
Journal Article
Guo, F., Yang, T., Diab, A. M., Huang, Z., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2023). Hybrid Active Modulation Strategy for Three-Level Neutral-Point-Clamped Converters in High-Speed Aerospace Drives. IEEE Transactions on Industrial Electronics, 70(4), 3449-3460. https://doi.org/10.1109/tie.2022.3176309

In the aircraft electric starter/generator system, the three-level neutral-point-clamped converters play a crucial role in driving turbofan engines and delivering onboard electrical power. However, the conventional pulsewidth modulation (PWM) strateg... Read More about Hybrid Active Modulation Strategy for Three-Level Neutral-Point-Clamped Converters in High-Speed Aerospace Drives.

Generalised predictive controller (GPC) design on single‐phase full‐bridge inverter with a novel identification method (2022)
Journal Article
Memeghani, M. J., Ghamari, S. M., Jouybari, T. Y., Mollaee, H., & Wheeler, P. (2023). Generalised predictive controller (GPC) design on single‐phase full‐bridge inverter with a novel identification method. IET Control Theory and Applications, 17(3), 284-294. https://doi.org/10.1049/cth2.12295

The design of an on-line generalised predictive control (GPC) technique with a novel identification method is presented in this paper for a single-phase full-bridge inverter in the presence of different disturbances. The controller uses system discre... Read More about Generalised predictive controller (GPC) design on single‐phase full‐bridge inverter with a novel identification method.

ZVT High Step-Up Boost Converter With Wide Input Voltage and Wide Output Power for Renewable Energy Applications (2022)
Journal Article
Khorasani, R. R., Jazi, H. M., Khoshkbar-Sadigh, A., Chaudhuri, N. R., Shaneh, M., Nourieh, N., Adib, E., & Wheeler, P. (2022). ZVT High Step-Up Boost Converter With Wide Input Voltage and Wide Output Power for Renewable Energy Applications. IEEE Journal of Emerging and Selected Topics in Power Electronics, 10(5), 6057-6069. https://doi.org/10.1109/jestpe.2022.3171774

In this article, a high-efficiency, high step-up dc–dc converter is introduced by utilizing a new soft-switching circuit based on the zero-voltage transition (ZVT) technique. Soft-switching performance is independent of the output load and input volt... Read More about ZVT High Step-Up Boost Converter With Wide Input Voltage and Wide Output Power for Renewable Energy Applications.

Active Disturbance Rejection Control of DC-Bus Voltages Within a High-Speed Aircraft Electric Starter/Generator System (2022)
Journal Article
Lang, X., Yang, T., Bai, G., Bozhko, S., & Wheeler, P. (2022). Active Disturbance Rejection Control of DC-Bus Voltages Within a High-Speed Aircraft Electric Starter/Generator System. IEEE Transactions on Transportation Electrification, 8(4), 4229-4241. https://doi.org/10.1109/tte.2022.3164351

Wide-speed range operation capabilities in both motoring and generation modes are essential for an aircraft electrical starter/generator (ESG) drive system for more-electric aircraft applications. When running as a generator, the ESG is supplying pow... Read More about Active Disturbance Rejection Control of DC-Bus Voltages Within a High-Speed Aircraft Electric Starter/Generator System.

Analytical Modeling of Self- and Mutual Inductances of DD Coils in Wireless Power Transfer Applications (2022)
Journal Article
Alkasir, A., Abdollahi, S. E., Abdollahi, S., & Wheeler, P. (2022). Analytical Modeling of Self- and Mutual Inductances of DD Coils in Wireless Power Transfer Applications. Journal of Electromagnetic Engineering and Science, 22(2), 162-170. https://doi.org/10.26866/jees.2022.2.r.73

Self- and mutual inductances are major design parameters for wireless power transfer (WPT) systems. To optimize a WPT system and estimate its performance in terms of received power and efficiency, it is essential to obtain a simple, fast, and accurat... Read More about Analytical Modeling of Self- and Mutual Inductances of DD Coils in Wireless Power Transfer Applications.

A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction (2022)
Journal Article
Cheepati, K. R., Rivera, M., Wheeler, P., Subburaj, V., Krishnan, S., Babu Daram, S., & Amaresh, K. (2022). A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction. Journal of Circuits, Systems, and Computers, 31(10), Article 2250174. https://doi.org/10.1142/s0218126622501742

Shunt active filters (SAFs) can be used for harmonic mitigation, reactive power compensation and power factor control in electrical distribution networks. Model predictive controller (MPC) can be used to give optimum performance for SAF's due to its... Read More about A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction.

Mild Hybridization of Turboprop Engine With High-Power-Density Integrated Electric Drives (2022)
Journal Article
Chen, Y., Yang, T., Khowja, M. R., La Rocca, A., Nasir, U., Chowdhury, S., Evans, D., Kember, D., Klonowski, T., Arnaud, Y., Apostin, L., Liger, T., Cossart, G., Vakil, G., Gerada, C., Bozhko, S., Detry, S., Diette, C., & Wheeler, P. (2022). Mild Hybridization of Turboprop Engine With High-Power-Density Integrated Electric Drives. IEEE Transactions on Transportation Electrification, 8(4), 4148-4162. https://doi.org/10.1109/TTE.2022.3160153

This article shares with the aerospace community a case study of turboprop mild hybridization using a recently developed integrated drive system in the University of Nottingham, U.K., within the ACHIEVE project under EU H2020 CleanSky 2 program (proj... Read More about Mild Hybridization of Turboprop Engine With High-Power-Density Integrated Electric Drives.