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A Comprehensive Review of Machine-Integrated Electric Vehicle Chargers (2022)
Journal Article
Mustafa, U., Ahmed, R., Watson, A., Wheeler, P., Ahmed, N., & Dahele, P. (2023). A Comprehensive Review of Machine-Integrated Electric Vehicle Chargers. Energies, 16(1), Article 129. https://doi.org/10.3390/en16010129

Electric Vehicles are becoming increasingly popular due to their environment friendly operation. As the demand for electric vehicles increases, it has become quite important to explore their charging strategies. Since charging and traction do not nor... Read More about A Comprehensive Review of Machine-Integrated Electric Vehicle Chargers.

Analysis of Using a Thermoelectric Module for Power Electronics Cooling (2022)
Conference Proceeding
Abubakar, A., Klumpner, C., & Wheeler, P. (2022). Analysis of Using a Thermoelectric Module for Power Electronics Cooling. In 2022 IEEE 1st Industrial Electronics Society Annual On-Line Conference (ONCON) (909-914). https://doi.org/10.1109/oncon56984.2022.10126992

This paper aims to develop a PLECS equivalent circuit of a thermoelectric module to be used in power electronics cooling applications. The proposed model is built using elements from the PLECS thermal model block-set. To test this, a resistive c dev... Read More about Analysis of Using a Thermoelectric Module for Power Electronics Cooling.

AC/DC Converter Topologies Comparison for More Electric Aircraft Applications (2022)
Conference Proceeding
Khera, F. A., Gerada, C., Bozhko, S., & Wheeler, P. W. (2022). AC/DC Converter Topologies Comparison for More Electric Aircraft Applications. In 2022 IEEE 7th Southern Power Electronics Conference (SPEC). https://doi.org/10.1109/SPEC55080.2022.10058465

This paper compares the potential AC/DC power converter topologies that are appropriate for medium voltage and medium/high power aircraft applications. The power converter's rated power and the DC distribution voltage level in this application assume... Read More about AC/DC Converter Topologies Comparison for More Electric Aircraft Applications.

Sliding-Mode Current Control with Exponential Reaching Law for a Three-Phase Induction Machine Fed by a Direct Matrix Converter (2022)
Journal Article
Maidana, P., Medina, C., Rodas, J., Maqueda, E., Gregor, R., & Wheeler, P. (2022). Sliding-Mode Current Control with Exponential Reaching Law for a Three-Phase Induction Machine Fed by a Direct Matrix Converter. Energies, 15(22), Article 8379. https://doi.org/10.3390/en15228379

The direct matrix converter (DMC) is considered to be an exciting power converter topology option for electric motor drives in industrial applications (elevators, hoists and cranes) and applications where size and weight are critical (e.g., the aeros... Read More about Sliding-Mode Current Control with Exponential Reaching Law for a Three-Phase Induction Machine Fed by a Direct Matrix Converter.

An Overview of the Colombian Power System (2022)
Conference Proceeding
Bravo-Lopez, M., Marin, S., Terreros-Barreto, J. R., Garces, A., Molina, A., Rivera, M., & Wheeler, P. (2022). An Overview of the Colombian Power System. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/ICA-ACCA56767.2022.10006289

The Colombian power system is facing a transition from hydro-thermal generation to a diversified mix of hydro, solar, and wind energy. This paper presents an overview of the current situation and the challenges of transitioning to a more sustainable... Read More about An Overview of the Colombian Power System.

Matrix Converter Based on Trapezoidal Current Injection (2022)
Journal Article
Lei, J., Huang, X., Wheeler, P., Xia, Y., Zhao, J., & Chen, W. (2022). Matrix Converter Based on Trapezoidal Current Injection. IEEE Journal of Emerging and Selected Topics in Power Electronics, 1-1. https://doi.org/10.1109/jestpe.2022.3216862

The Matrix Converter (MC) is a direct AC-AC power converter featuring high power density and high efficiency. However, the conventional MC (CMC) topologies require high control complexity and high transistor capacity, hindering the wide applications.... Read More about Matrix Converter Based on Trapezoidal Current Injection.

Electrodependent Patients: Regulations, Possible Technical Solutions and Case Study (2022)
Conference Proceeding
Frias, G., Catuogno, G., Rivera, M., Wheeler, P., & Garcia, G. (2022). Electrodependent Patients: Regulations, Possible Technical Solutions and Case Study. In IEEE ICA-ACCA 2022 For the development of sustainable Agricultural Systems : IEEE International Conference on Automation (ICA) XXV Congreso de la Asociación Chilena de Control Automático (ACCA). https://doi.org/10.1109/ica-acca56767.2022.10006095

This article discusses the energy poverty of electrodependent patients and their struggle for the rights of uninterrupted and quality electrical services. A review of regulations in different South American countries is carried out, different support... Read More about Electrodependent Patients: Regulations, Possible Technical Solutions and Case Study.

Water Splitting Dynamics of High Voltage Pulsed Alkaline Electrolysis (2022)
Conference Proceeding
Albornoz, M., Rivera, M., Ramirez, R., Varas-Concha, F., & Wheeler, P. (2022). Water Splitting Dynamics of High Voltage Pulsed Alkaline Electrolysis. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/ica-acca56767.2022.10006326

The development of high efficiency plasma electrolysis, with the application of pulses of high voltage and extreme short duration to alkaline electrolysis, reveals the characteristics of a new type of water splitting dynamics. Pulses of a w... Read More about Water Splitting Dynamics of High Voltage Pulsed Alkaline Electrolysis.

Trends and Challenges in Sustainable Energy Management Models for Public Health Services (2022)
Conference Proceeding
Suarez, J., Silva, M., Rivera, M., & Wheeler, P. (2022). Trends and Challenges in Sustainable Energy Management Models for Public Health Services. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/ica-acca56767.2022.10006130

Hospital facilities are characterized by continuous operation, where the availability and reliability of the electrical energy supply are essential to guarantee patient safety. The level of hospital's requirements depends on the coverage and capacity... Read More about Trends and Challenges in Sustainable Energy Management Models for Public Health Services.

A review of solar and wind energy in Paraguay (2022)
Conference Proceeding
Ayala, M., Toledo, S., Ramirez, G., Prado, A., Caballero, D., Rivera, M., …Gregor, R. (2022). A review of solar and wind energy in Paraguay. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/ica-acca56767.2022.10006211

In recent years, non-conventional renewable energies (NCRE) has increased substantially due to its abundance and advancement of support technologies. This paper describes a review of solar and wind energy in Paraguay, which includes its matrix energy... Read More about A review of solar and wind energy in Paraguay.

Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis (2022)
Journal Article
Perez Guzman, R. E., Rivera, M., Wheeler, P., Mirzaeva, G., Espinosa, E. E., & Rohten, J. A. (2022). Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis. IEEE Access, 10, 111389-111405. https://doi.org/10.1109/ACCESS.2022.3215434

Hierarchical control is a widely used strategy that can increase resilience and improve the reliability of the electrical network based on microgrid global variables. Large amounts of data required during transitions prompt the use of more reliable a... Read More about Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis.

Half-Bridge-Active-Clamp Converter with High Step-down Capabilities for More Electric Aircraft Applications (2022)
Conference Proceeding
Zhu, Y., Yan, X., Wang, Z., Yang, T., Bozhko, S., & Wheeler, P. (2022). Half-Bridge-Active-Clamp Converter with High Step-down Capabilities for More Electric Aircraft Applications. In IECON 2022 – 48th Annual Conference of the IEEE Industrial Electronics Society. https://doi.org/10.1109/iecon49645.2022.9968331

A Half-bridge-active-clamp (HBAC) converter is used as an alternative to replace Dual active bridge (DAB) converter for 540V/28V on-board grid in more electric aircraft applications. The HBAC converter provides an opportunity to reduce the turn-ratio... Read More about Half-Bridge-Active-Clamp Converter with High Step-down Capabilities for More Electric Aircraft Applications.

A Current Sensorless Computationally Efficient Model Predictive Control for Matrix Converters (2022)
Conference Proceeding
Sarajian, A., Guan, Q., Wheeler, P., Khaburi, D. A., Kennel, R., & Rodriquez, J. (2022). A Current Sensorless Computationally Efficient Model Predictive Control for Matrix Converters. In 48th Annual Conference of the Industrial Electronics Society (IECON 2022). https://doi.org/10.1109/iecon49645.2022.9969053

Model Predictive Control (MPC) is becoming more popular than ever as an alternative to conventional modulations such as Space Vector Modulation methods to control matrix converters (MCs). However, the implementation of MPC is computationally expensiv... Read More about A Current Sensorless Computationally Efficient Model Predictive Control for Matrix Converters.

Current Sensorless Model Predictive Control of Matrix Converter With Zero Common-Mode Voltage (2022)
Conference Proceeding
Sarajian, A., Guan, Q., Wheeler, P., Khaburi, D. A., Kennel, R., & Rodriquez, J. (2022). Current Sensorless Model Predictive Control of Matrix Converter With Zero Common-Mode Voltage. In 48th Annual Conference of the IEEE Industrial Electronics Society (IECON 2022). https://doi.org/10.1109/iecon49645.2022.9968351

To eliminate the common-mode voltage (CMV) for matrix converters, this paper proposes a current sensorless model predictive control with reduced calculation overhead. In contrast to other traditional CMV-reducing methods which use all permissible swi... Read More about Current Sensorless Model Predictive Control of Matrix Converter With Zero Common-Mode Voltage.

A Class E-Based Multichannel Auxiliary Power Supply with Load Independent Zero-Voltage-Switching Operation (2022)
Conference Proceeding
Li, Y., Watson, A., Kaya, M., & Wheeler, P. (2022). A Class E-Based Multichannel Auxiliary Power Supply with Load Independent Zero-Voltage-Switching Operation. In 2022 IEEE Energy Conversion Congress and Exposition (ECCE). https://doi.org/10.1109/ECCE50734.2022.9948104

A high performance auxiliary power supply (APS) plays a crucial role in ensuring the reliability and safety of power converter systems. In this paper, a Class E-based multichannel APS, featured with simple circuit structure, zero-voltage-switching (Z... Read More about A Class E-Based Multichannel Auxiliary Power Supply with Load Independent Zero-Voltage-Switching Operation.

Predictive Control Applied to Matrix Converters: A Systematic Literature Review (2022)
Journal Article
Toledo, S., Caballero, D., Maqueda, E., Cáceres, J. J., Rivera, M., Gregor, R., & Wheeler, P. (2022). Predictive Control Applied to Matrix Converters: A Systematic Literature Review. Energies, 15(20), Article 7801. https://doi.org/10.3390/en15207801

Power electronic devices play an important role in energy conversion. Among the options, matrix converters, in combination with predictive control, represent a good alternative for the power conversion stage. Although several reviews have been undert... Read More about Predictive Control Applied to Matrix Converters: A Systematic Literature Review.

Inverse application of artificial intelligence for the control of power converters (2022)
Journal Article
Gao, Y., Wang, S., Hussaini, H., Yang, T., Dragicevic, T., Bozhko, S., …Vazquez, S. (2022). Inverse application of artificial intelligence for the control of power converters. IEEE Transactions on Power Electronics, https://doi.org/10.1109/TPEL.2022.3209093

This paper proposes a novel application method, Inverse Application of Artificial Intelligence (IAAI) for the control of power electronic converter systems. The proposed method can give the desired control coefficients/references in a simple way beca... Read More about Inverse application of artificial intelligence for the control of power converters.

Cooling System Sizing using LPTN Analysis and Multiphysics Modelling for an Axial Flux Machine and Integrated Drive (2022)
Conference Proceeding
Jeffrey, A. J., Connor, P. H., Vakil, G., Evans, P., Wheeler, P., & Hart, S. (2022). Cooling System Sizing using LPTN Analysis and Multiphysics Modelling for an Axial Flux Machine and Integrated Drive. . https://doi.org/10.1109/icem51905.2022.9910820

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.

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.

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.

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.

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 hybridisation of turboprop engine with high-power-density integrated electric drives (2022)
Journal Article
Cossart, G., Chen, Y., Yang, T., Khowja, M., La Rocca, A., Nasir, U., …Wheeler, P. (2022). Mild hybridisation 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 paper shares with the aerospace community a case study of turboprop mild hybridisation using a recently developed integrated drive system in the University of Nottingham, UK, within the ACHIEVE project under EU H2020 CleanSky 2 program (project... Read More about Mild hybridisation of turboprop engine with high-power-density integrated electric drives.

The More-Electric Aircraft and Beyond (2022)
Journal Article
Buticchi, G., Wheeler, P., & Boroyevich, D. (2022). The More-Electric Aircraft and Beyond. Proceedings of the IEEE, https://doi.org/10.1109/JPROC.2022.3152995

Aviation is a significant contributor to greenhouse gas (GHG) emissions in the transportation sector. As the adoption of electric cars increases and GHG emissions due to other modes of transport decrease, the impact of air travel on environmental pol... Read More about The More-Electric Aircraft and Beyond.

A study of weighting factor design in model predictive control applications (2022)
Conference Proceeding
Rojas, D., Rivera, M., Munoz, J., Baier, C., & Wheeler, P. (2022). A study of weighting factor design in model predictive control applications. In 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON). https://doi.org/10.1109/chilecon54041.2021.9702932

Weighting factor selection is considered to be a crucial aspect in the design of a predictive controller. In this paper a study of the design of weighting factors for different cost functions is presented. The study is based on three examples: switch... Read More about A study of weighting factor design in model predictive control applications.

Cyber-attacks in modular multilevel converters (2022)
Journal Article
Burgos-Mellado, C., Donoso, F., Dragicevic, T., Cardenas-Dobson, R., Wheeler, P., Clare, J. C., & Watson, A. J. (2022). Cyber-attacks in modular multilevel converters. IEEE Transactions on Power Electronics, https://doi.org/10.1109/TPEL.2022.3147466

Distributed control of modular multilevel converter (MMC) submodules offers several potential benefits such as flexibility and modularity. In this approach, low-level control tasks, such as capacitor voltage balancing, can be distributed amongst cont... Read More about Cyber-attacks in modular multilevel converters.

FEA based Transformer Loss Analysis for Dual Active Bridge DC-DC Converter using Triple Phase Shift Modulation (2022)
Journal Article
Akbar, S. M., Hasan, A., Watson, A. J., & Wheeler, P. (2022). FEA based Transformer Loss Analysis for Dual Active Bridge DC-DC Converter using Triple Phase Shift Modulation. IEEE Journal of Emerging and Selected Topics in Power Electronics, https://doi.org/10.1109/JESTPE.2022.3148355

High frequency transformers are a key component of dual active bridge (DAB) dc-dc converters, providing isolation and voltage scaling. The losses in the transformer should be minimized to improve efficiency and extend lifetime. The existing research... Read More about FEA based Transformer Loss Analysis for Dual Active Bridge DC-DC Converter using Triple Phase Shift Modulation.