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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.

Predictive current control strategy for a single phase direct matrix converter (2021)
Conference Proceeding
Rojas, D., Rivera, M., & Wheeler, P. (2021). Predictive current control strategy for a single phase direct matrix converter. . https://doi.org/10.1109/CHILECON54041.2021.9702943

This paper considers some of the aspects of applying predictive control to a single phase Matrix Converter. Among all the proposed control techniques for Matrix Converters, predictive control has become a plausible and versatile option due to its abi... Read More about Predictive current control strategy for a single phase direct matrix converter.

Control strategies of photovoltaic systems (2021)
Conference Proceeding
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Control strategies of photovoltaic systems. . https://doi.org/10.1109/chilecon54041.2021.9702993

The control in an inverter system for photovoltaic applications is important as it can impact on the efficiency of the system. In this paper a review of the main control strategies used in photovoltaic systems is presented. The study is divided into... Read More about Control strategies of photovoltaic systems.

Sequential FCS-MPC for open phase fault tolerant control applied to SynRM (2021)
Conference Proceeding
Frias, G., Catuogno, G., Rivera, M., Wheeler, P., & Garcia, G. (2021). Sequential FCS-MPC for open phase fault tolerant control applied to SynRM. . https://doi.org/10.1109/CHILECON54041.2021.9703089

Model predictive control is a very attractive solution for electric drives and converter control, but while classic model predictive controls give good results, the choice of weighting factors is often somewhat complex and even more so when the syste... Read More about Sequential FCS-MPC for open phase fault tolerant control applied to SynRM.

Predictive control techniques applied to a 2L-VSI (2021)
Conference Proceeding
Rojas, D., Rivera, M., Toledo, S., & Wheeler, P. (2021). Predictive control techniques applied to a 2L-VSI. . https://doi.org/10.1109/CHILECON54041.2021.9702915

In recent years, Model Based Predictive Control (MPC), applied to power converters, has been successfully presented as an alternative to traditional control techniques due to its fast dynamic response, ability to incorporate various requirements of c... Read More about Predictive control techniques applied to a 2L-VSI.

Cascaded predictive control for a three-phase VSI with different cost functions (2021)
Conference Proceeding
Rojas, D., Rivera, M., Munoz, J., & Wheeler, P. (2021). Cascaded predictive control for a three-phase VSI with different cost functions. . https://doi.org/10.1109/CHILECON54041.2021.9703077

Predictive control for power converters has been gaining interest as well as popularity in recent years. This paper presents a cascade predictive control for a voltage source inverter which is evaluated with different control objectives to meet a ran... Read More about Cascaded predictive control for a three-phase VSI with different cost functions.

Technologies and MPPT algorithms for solar energy applications (2021)
Conference Proceeding
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Technologies and MPPT algorithms for solar energy applications. . https://doi.org/10.1109/chilecon54041.2021.9702987

Due to environmental policies and the advancement of solar technology, the generation of electrical energy based on photovoltaic cells has become an important contributor to the renewable energy resource mix. In recent years, the development of photo... Read More about Technologies and MPPT algorithms for solar energy applications.

General view of solar energy (2021)
Conference Proceeding
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). General view of solar energy. In 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, CHILECON 2021. https://doi.org/10.1109/chilecon54041.2021.9702964

Solar energy is considered clean, renewable and seemingly inexhaustible source of energy. Solar Energy has been used since ancient times for light and as heat, but in the 20th century, thanks to technological advances, different devices have been dev... Read More about General view of solar energy.

Effect of model parameter errors in model predictive control applications (2021)
Conference Proceeding
Rojas, D., Rivera, M., Munoz, J., Wheeler, P., Zanchetta, P., & Mirzaeva, G. (2021). Effect of model parameter errors in model predictive control applications. . https://doi.org/10.1109/CHILECON54041.2021.9702942

When implementing predictive control strategies for power electronic converters a good model of the system is needed because this model determines the quality of the resulting controller. In this paper a study of the model parameter error effects in... Read More about Effect of model parameter errors in model predictive control applications.