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Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft (2023)
Conference Proceeding
Bai, G., Bozhko, S., Yang, T., Wheeler, P., & Yeoh, S. S. (2023). Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft. . https://doi.org/10.1109/itecasia-pacific59272.2023.10372301

The more-electric aircraft (MEA) has been seen as the most major trend in the aerospace industry. With the increase in electrified loads, there is the need to generate more electrical power on-board aircraft. Considering regional jet sized aircraft,... Read More about Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft.

An Advanced Dual-Carrier-Based Multi-Optimized PWM Strategy of Three-Level Neutral-Point-Clamped Converters for More-Electric-Aircraft Applications (2023)
Journal Article
Guo, F., M. Diab, A., Shen Yeoh, S., Yang, T., Bozhko, S., Wheeler, P., & Zhao, Y. (2024). An Advanced Dual-Carrier-Based Multi-Optimized PWM Strategy of Three-Level Neutral-Point-Clamped Converters for More-Electric-Aircraft Applications. IEEE Transactions on Energy Conversion, 39(1), 356-367. https://doi.org/10.1109/TEC.2023.3312599

Since three-level neutral-point-clamped (3L-NPC) power generation units bring much competitiveness to the next-generation electric starter/generator (ESG) system for more-electric-aircraft (MEA) applications, the versatile multi-optimized pulse-width... Read More about An Advanced Dual-Carrier-Based Multi-Optimized PWM Strategy of Three-Level Neutral-Point-Clamped Converters for More-Electric-Aircraft Applications.

An Advanced Power Generation Architecture for More-Electric Aircraft Applications (2023)
Conference Proceeding
Bai, G., Yang, T., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2023). An Advanced Power Generation Architecture for More-Electric Aircraft Applications. . https://doi.org/10.1109/esars-itec57127.2023.10114848

The trend towards development of More Electric Aircraft (MEA) has been driven by increased fuel fossil prices and stricter environmental policies. With breakthroughs in power electronic systems and electrical machines, the targets of MEA to reduce th... Read More about An Advanced Power Generation Architecture for More-Electric Aircraft Applications.

Enhanced Starting Control Scheme for PMM-Based Starter/Generator System for MEA (2023)
Journal Article
Mohamed, M. A. A., Shen Yeoh, S., Atkin, J., Diab, A. M., Khalaf, M., & Bozhko, S. (2023). Enhanced Starting Control Scheme for PMM-Based Starter/Generator System for MEA. Aerospace, 10(2), Article 168. https://doi.org/10.3390/aerospace10020168

A control approach for aircraft Starter/Generator (S/G) with Permanent Magnet Machine (PMM) operating in Flux Weakening (FW) mode is presented. The proposed strategy helps the previous approaches which are adopted for the Variable Voltage Bus (VVB) o... Read More about Enhanced Starting Control Scheme for PMM-Based Starter/Generator System for MEA.

Performance Analysis of Complex Vector Discrete Current Controller for High-Speed Permanent Magnet Machines (2022)
Conference Proceeding
Diab, A. M., Aboelhassan, A., Wang, S., Guo, F., Yeoh, S. S., Bozhko, S., …Galea, M. (2022). Performance Analysis of Complex Vector Discrete Current Controller for High-Speed Permanent Magnet Machines. In Proceedings of IEEE 17th Conference on Industrial Electronics and Applications (ICIEA) (590-595). https://doi.org/10.1109/ICIEA54703.2022.10005975

Discrete synchronous reference frame proportional integral Current Controller (CC) delivers superior control performance for high-speed drives due to its ability to accurately compensate for cross-coupling terms. Complete compensation can only be ach... Read More about Performance Analysis of Complex Vector Discrete Current Controller for High-Speed Permanent Magnet Machines.

Comparative Stability Analysis of Synchronous Reference Frame Current Controllers Operated at High Fundamental Frequency (2022)
Journal Article
Diab, A. M., Guo, F., Yeoh, S. S., Bozhko, S., Gerada, C., & Galea, M. (2022). Comparative Stability Analysis of Synchronous Reference Frame Current Controllers Operated at High Fundamental Frequency. IEEE Transactions on Transportation Electrification, https://doi.org/10.1109/TTE.2022.3208825

Synchronous reference frame (SRF) proportional-integral (PI) current controller (CC) is the most well-established solution for current regulation in AC machine drives and grid-connected voltage source converters. The design of high dynamic performanc... Read More about Comparative Stability Analysis of Synchronous Reference Frame Current Controllers Operated at High Fundamental Frequency.

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.

Efficiency Focused Energy Management Strategy Based on Optimal Droop Gain Design for More Electric Aircraft (2022)
Journal Article
Mohamed, M. A., Yeoh, S. S., Atkin, J., Hussaini, H., & Bozhko, S. (2022). Efficiency Focused Energy Management Strategy Based on Optimal Droop Gain Design for More Electric Aircraft. IEEE Transactions on Transportation Electrification, https://doi.org/10.1109/tte.2022.3159731

Due to the substantial increase of the number of electrically-driven systems on-board More Electric Aircraft (MEA), the on-board Electric Power Systems (EPS) are becoming more and more complex. Therefore, there is a need to develop a control strategy... Read More about Efficiency Focused Energy Management Strategy Based on Optimal Droop Gain Design for More Electric Aircraft.

An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives (2021)
Journal Article
Li, C., Yang, T., Huang, Z., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2021). An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives. IEEE Access, 9, 144805-144819. https://doi.org/10.1109/access.2021.3122922

This paper introduces an advanced space vector modulation technique for three-level neutral-point-clamped (3L-NPC) converters. The studied 3L-NPC converters within aircraft electric starter generator (ESG) systems normally operate at high modulation... Read More about An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives.

A Simple PWM Strategy for Three-Level NPC Converters in Aircraft Electric Starter/Generator System With Improved DC-Link Voltage Utilization and Reduced Common-Mode Voltage (2021)
Conference Proceeding
Guo, F., Yang, T., Yeoh, S. S., Bozhko, S., Wheeler, P., & Diab, A. M. (2021). A Simple PWM Strategy for Three-Level NPC Converters in Aircraft Electric Starter/Generator System With Improved DC-Link Voltage Utilization and Reduced Common-Mode Voltage. . https://doi.org/10.1109/ECCE47101.2021.9595933

Due to the employment of three-level neutral-point-clamped (3L-NPC) converters in the aircraft electric starter/generator (ESG) systems, the pulse-width-modulation (PWM) strategy plays a significant role in the converter-fed PMSM drives. However, the... Read More about A Simple PWM Strategy for Three-Level NPC Converters in Aircraft Electric Starter/Generator System With Improved DC-Link Voltage Utilization and Reduced Common-Mode Voltage.

An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives (2021)
Journal Article
Guo, F., Yang, T., Diab, A. M., Yeoh, S. S., Li, C., Bozhko, S., & Wheeler, P. (2022). An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives. IEEE Transactions on Power Electronics, 37(2), 2021-2032. https://doi.org/10.1109/tpel.2021.3105752

In this article, a virtual space vector based overmodulation algorithm is presented for three-level neutral-point (NP) clamped converters in high-speed aerospace motor drives. With the proposed inscribed polygonal-boundary compression technique, the... Read More about An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives.

An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications (2021)
Journal Article
Lang, X., Yang, T., Li, C., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2021). An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications. IET Power Electronics, 14(13), 2179-2193. https://doi.org/10.1049/pel2.12170

Permanent magnet machines have been used in the high-speed drive applications due to their high-efficiency, high-power-density, and wide-speed range characteristics. However, control of such high-speed permanent magnet machines machine is always chal... Read More about An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications.

An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications (2021)
Journal Article
Guo, F., Yang, T., Diab, A., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2021). An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications. IEEE Transactions on Industry Applications, 57(5), 5239-5251. https://doi.org/10.1109/tia.2021.3085798

Multilevel converters have been used for aircraft electric starter/generator (ESG) systems due to their high power qualities. One of the desirable topologies is the three-level neutral-point-clamped (3L-NPC) converter. Our studied ESG system operates... Read More about An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications.

Adaptive Stabilization of a Permanent Magnet Synchronous Generator-Based DC Electrical Power System in More Electric Aircraft (2021)
Journal Article
Suyapan, A., Areerak, K., Bozhko, S., Yeoh, S. S., & Areerak, K. (2021). Adaptive Stabilization of a Permanent Magnet Synchronous Generator-Based DC Electrical Power System in More Electric Aircraft. IEEE Transactions on Transportation Electrification, 7(4), 2965-2975. https://doi.org/10.1109/tte.2021.3081161

Most loads of electrical power systems on a more electric aircraft (MEA) are regulated power converters. These loads behave as constant power loads (CPLs) that can significantly affect system stability. The system will become unstable and will be una... Read More about Adaptive Stabilization of a Permanent Magnet Synchronous Generator-Based DC Electrical Power System in More Electric Aircraft.

Enhanced Active Disturbance Rejection Current Controller for Permanent Magnet Synchronous Machines Operated at Low Sampling Time Ratio (2021)
Journal Article
Diab, A. M., Yeoh, S. S., Bozhko, S., Gerada, C., & Galea, M. (2021). Enhanced Active Disturbance Rejection Current Controller for Permanent Magnet Synchronous Machines Operated at Low Sampling Time Ratio. IEEE Journal of Emerging and Selected Topics in Industrial Electronics, https://doi.org/10.1109/jestie.2021.3063919

Recently, Active Disturbance Rejection Control (ADRC) Scheme has been widely used for current regulation in AC drive systems owing to its robustness to system uncertainties and its high disturbance-rejection capability. However, it has not been consi... Read More about Enhanced Active Disturbance Rejection Current Controller for Permanent Magnet Synchronous Machines Operated at Low Sampling Time Ratio.

Fast and Simple Tuning Rules of Synchronous Reference Frame Proportional-Integral Current Controller (2021)
Journal Article
Diab, A. M., Bozhko, S., Guo, F., Rashed, M., Buticchi, G., Xu, Z., …Galea, M. (2021). Fast and Simple Tuning Rules of Synchronous Reference Frame Proportional-Integral Current Controller. IEEE Access, 9, 22156-22170. https://doi.org/10.1109/access.2021.3054845

Synchronous reference frame proportional-integral (PI) current controller (CC) is considered the most well-established solution for the current regulation in electrical drives. However, the gain selection of the PI CC is still regarded to be poorly r... Read More about Fast and Simple Tuning Rules of Synchronous Reference Frame Proportional-Integral Current Controller.

A Low-Complexity Optimal Switching Time-Modulated Model-Predictive Control for PMSM With Three-Level NPC Converter (2020)
Journal Article
Wang, Q., Yu, H., Li, C., Lang, X., Yeoh, S. S., Yang, T., …Wheeler, P. (2020). A Low-Complexity Optimal Switching Time-Modulated Model-Predictive Control for PMSM With Three-Level NPC Converter. IEEE Transactions on Transportation Electrification, 6(3), 1188-1198. https://doi.org/10.1109/TTE.2020.3012352

Conventional finite control set model-predictive control (FCS-MPC) presents a high computational burden, especially in three-level neutral-point-clamped (NPC) converters. This article proposes a low-complexity optimal switching time-modulated model-p... Read More about A Low-Complexity Optimal Switching Time-Modulated Model-Predictive Control for PMSM With Three-Level NPC Converter.

An Improved Control Strategy for Switched Reluctance Generator System in More Electric Aircraft (2019)
Conference Proceeding
Velmurugan, G., YEOH, S. S., Yang, T., & Bozhko, S. (2019). An Improved Control Strategy for Switched Reluctance Generator System in More Electric Aircraft

Switched Reluctance Machines (SRM) has emerged as an important possible technology for usage in More Electric Aircraft (MEA) in particular as a starter/generator. As a starter/generator, the SRM operates as a generator as well as a motor (starter). T... Read More about An Improved Control Strategy for Switched Reluctance Generator System in More Electric Aircraft.

Piecewise Modelling Approach for Specific Switched Reluctance Machines (2019)
Conference Proceeding
Velmurugan, G., Yeoh, S. S., Yang, T., & Bozhko, S. (2019). Piecewise Modelling Approach for Specific Switched Reluctance Machines. In 2019 International Conference on Electrotechnical Complexes and Systems (ICOECS) (1-4). https://doi.org/10.1109/icoecs46375.2019.8949974

Switched Reluctance Machine (SRM) is a very basic and simple electrical machine in structure with winding only at its stator. SRM has widely been considered for possible usages in modern aircrafts through the development of More Electric Aircraft (ME... Read More about Piecewise Modelling Approach for Specific Switched Reluctance Machines.