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Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System (2019)
Conference Proceeding
Khowja, M. R., Vakil, G., Gerada, C., Yang, T., Bozhko, S., & Wheeler, P. (2019). Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (1435-1440). https://doi.org/10.1109/IECON.2019.8926961

Mechanically-driven actuators, compressors and pumps are being replaced by the aircraft manufacturers that shift the trend towards 'More Electric Aircraft' and hence reducing the mechanical linkages within the aircraft system. This elevates the depen... Read More about Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System.

An enhanced second carrier harmonic cancellation method for multi-source DC electric power systems (2019)
Conference Proceeding
Wang, C., Yang, T., Bozhko, S., & Kulsangcharoen, P. (2019). An enhanced second carrier harmonic cancellation method for multi-source DC electric power systems. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (2610-2615). https://doi.org/10.1109/IECON.2019.8927821

Multi-source DC power systems have been widely used in electric transportations, including more-electric aircraft, electric ship and electric vehicles. These systems normally involve in power electronic converters whose switching actions may cause cu... Read More about An enhanced second carrier harmonic cancellation method for multi-source DC electric power systems.

Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit (2019)
Conference Proceeding
Adhikari, J., Yang, T., Bozhko, S., & Wheeler, P. (2019). Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (2628-2633). https://doi.org/10.1109/IECON.2019.8926717

This paper explores the possibility of a semiconductor-based over-current bypass circuit for high current solid-state power controllers (SSPCs). Therefore, two different topologies of the bidirectional DC SSPCs: a. without over-current bypass circuit... Read More about Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit.

Modulation Limit Based Control Strategy for More Electric Aircraft Generator System (2019)
Journal Article
Shen Yeoh, S., Rashed, M., & Bozhko, S. (2019). Modulation Limit Based Control Strategy for More Electric Aircraft Generator System. SAE Technical Papers, Article 2018-01-1937. https://doi.org/10.4271/2018-01-1937

Vector based control strategies have been extensively employed for drive systems, and in recent times to the More Electric Aircraft (MEA) generator based systems. The control schemes should maintain the bus voltage and adhere to the generator system... Read More about Modulation Limit Based Control Strategy for More Electric Aircraft Generator System.

Optimal Power Flow Based Architecture Design for Electrical Power System in More-Electric Aircraft (2019)
Conference Proceeding
Wang, X., Atkin, J., Bozhko, S., & Hill, C. I. (2019). Optimal Power Flow Based Architecture Design for Electrical Power System in More-Electric Aircraft. In Proceedings of the IEEE 45th Annual Conference of the Industrial Electronics Society (IECON'2019)

When designing an electric power system (EPS) architecture for a more electric aircraft (MEA), the total weight of the system is treated as one of the most important criteria. For the weight saving purpose, this paper proposes an optimal power flow (... Read More about Optimal Power Flow Based Architecture Design for Electrical Power System in More-Electric Aircraft.

A Novel Virtual Space Vector Modulation Scheme for Three-Level NPC Power Converter with Neutral-Point Voltage Balancing and Common-Mode Voltage Reduction for Electric Starter/Generator System in More-Electric-Aircraft (2019)
Conference Proceeding
Guo, F., Yang, T., Bozhko, S., & Wheeler, P. (2019). A Novel Virtual Space Vector Modulation Scheme for Three-Level NPC Power Converter with Neutral-Point Voltage Balancing and Common-Mode Voltage Reduction for Electric Starter/Generator System in More-Electric-Aircraft. In 2019 IEEE Energy Conversion Congress and Exposition (ECCE) (1852-1858). https://doi.org/10.1109/ECCE.2019.8913186

In recent years, More-Electric-Aircraft (MEA) becomes the state-of-the-art. One of the essential issue need to be solved is neutral-point (NP) voltage drift in three-level neutral-point-clamped (3L-NPC) power converter because of low power factor (PF... Read More about A Novel Virtual Space Vector Modulation Scheme for Three-Level NPC Power Converter with Neutral-Point Voltage Balancing and Common-Mode Voltage Reduction for Electric Starter/Generator System in More-Electric-Aircraft.

A Power Generation Center with Back-to-back Converter Considering Post-fault Operation for MEA Application (2019)
Conference Proceeding
Lang, X., Yang, T., Enalou, H. B., Wheeler, P., & Bozhko, S. (2019). A Power Generation Center with Back-to-back Converter Considering Post-fault Operation for MEA Application. In Proceedings of the 22nd International Conference on Electrical Machines and Systems (ICEMS) (1-6). https://doi.org/10.1109/ICEMS.2019.8922219

This paper proposes a new power generation centre (PGC) for the engine of more electric aircraft (MEA) application. In this PGC, a starter/generator is connected to the high-pressure (HP) spool to start the engine in the start process and generate el... Read More about A Power Generation Center with Back-to-back Converter Considering Post-fault Operation for MEA Application.

Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes (2019)
Conference Proceeding
Guo, F., Yang, T., Bozhko, S., & Wheeler, P. (2019). Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes. In Proceedings of the 2019 IEEE 12th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (405-411). https://doi.org/10.1109/DEMPED.2019.8864839

Open-switch fault accounts for large proportions among failures in power conversion system. Previously, fault defection methods are carried out by researches from transient period or circuit configuration with complicated algorithms. This paper revea... Read More about Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes.

Optimised low voltage loads allocation for MEA electrical power systems (2019)
Conference Proceeding
Spagnolo, C., Madonna, V., Sumsurooah, S., Hill, C. I., & Bozhko, S. (2019). Optimised low voltage loads allocation for MEA electrical power systems. In AIAA/IEEE Electric Aircraft Technologies Symposium (EATS 2019) (1-8). https://doi.org/10.2514/6.2019-4489

This paper proposes a smart controller design for an automated power load allocation for the more electric aircraft application. As the aircraft manufacturers are moving towards more electrified solutions, power management and optimization are becomi... Read More about Optimised low voltage loads allocation for MEA electrical power systems.

Design of more electric aircraft dc power distribution architectures considering reliability performance (2019)
Conference Proceeding
Recalde, A. A., Bozhko, S., Atkin, J., & Hill, C. (2019). Design of more electric aircraft dc power distribution architectures considering reliability performance. https://doi.org/10.2514/6.2019-4506

© 2019 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved. The More Electric Aircraft (MEA) concept has started to define the future of aircraft electrification. The electrical system will certainly play a crucial rol... Read More about Design of more electric aircraft dc power distribution architectures considering reliability performance.

Power Allocation and Generator Sizing Optimisation of More-Electric Aircraft On-board Electrical Power during Different Flight Stages (2019)
Conference Proceeding
Wang, X., Atkin, J., Hill, C., & Bozhko, S. (2019). Power Allocation and Generator Sizing Optimisation of More-Electric Aircraft On-board Electrical Power during Different Flight Stages. In AIAA Propulsion and Energy 2019 Forum. https://doi.org/10.2514/6.2019-4485

The development of future More Electric Aircraft (MEA) requires exploitation of light-weighted on-board Electrical Power System (EPS) architectural design and energy saving power management strategies. Seeking for the optimal solutions in these key a... Read More about Power Allocation and Generator Sizing Optimisation of More-Electric Aircraft On-board Electrical Power during Different Flight Stages.

A SiC based 2-Level Power Converter for Shape-and-Space-Restricted Aerospace Applications (2019)
Conference Proceeding
Nasir, U., Chowdhury, S., La Rocca, A., Chen, Y., Yang, T., Wheeler, P., …Bozhko, S. (2019). A SiC based 2-Level Power Converter for Shape-and-Space-Restricted Aerospace Applications. In Proceedings on the 2019 IEEE 13th International Conference on Power Electronics and Drive Systems (PEDS) (1-7). https://doi.org/10.1109/PEDS44367.2019.8998907

Recent advancements in the power electronic device technologies, such as wide-band-gap devices including Silicon-Carbide (SiC) and Galium-Nitride (GaN), are acting as an enabling factor in development of compact power electronic systems. More specifi... Read More about A SiC based 2-Level Power Converter for Shape-and-Space-Restricted Aerospace Applications.

Challenges of the optimization of a high-speed induction machine for naval applications (2019)
Journal Article
Buticchi, G., Gerada, D., Alberti, L., Galea, M., Wheeler, P., Bozhko, S., …Gerada, C. (2019). Challenges of the optimization of a high-speed induction machine for naval applications. Energies, 12(12), Article 2431. https://doi.org/10.3390/en12122431

In several industrial sectors, induction machines are being replaced with permanent magnet based alternatives, owing to the potential for higher power density and efficiency. However, high-speed applications feature a wide flux-weakening region, wher... Read More about Challenges of the optimization of a high-speed induction machine for naval applications.

Decoupled Model for Asymmetrical Dual Three Phase Permanent Magnet Synchronous Machine (2019)
Conference Proceeding
Chen, Y., Bozhko, S., Fan, L., Yang, T., & Khowja, M. R. (2019). Decoupled Model for Asymmetrical Dual Three Phase Permanent Magnet Synchronous Machine. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (1971-1976). https://doi.org/10.1109/IEMDC.2019.8785279

This paper presents a decoupled modeling method for asymmetrical dual three phase (DTP) permanent magnet synchronous machine (PMSM). Due to the special structure of this machine, traditional decoupled method cannot be applied on it. This paper propos... Read More about Decoupled Model for Asymmetrical Dual Three Phase Permanent Magnet Synchronous Machine.

Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application (2019)
Journal Article
Fritz, N., Rashed, M., Bozhko, S., Cuomo, F., & Wheeler, P. (2019). Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application. Journal of Engineering, 2019(17), 3671-3676. https://doi.org/10.1049/joe.2018.8068

A design procedure for the dual active bridge (DAB) converter is presented, which aims to optimised power density and computational effort. When designing a DAB, the selection of circuit design parameters such as switching frequency, leakage inductan... Read More about Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application.

Flux control modulation for the dual active bridge DC/DC converter (2019)
Journal Article
Fritz, N., Rashed, M., Bozhko, S., Cuomo, F., & Wheeler, P. (2019). Flux control modulation for the dual active bridge DC/DC converter. Journal of Engineering, 2019(17), 4353-4358. https://doi.org/10.1049/joe.2018.8014

This paper introduces a modulation technique for the single-phase dual active bridge (DAB) in which the switching frequency and transformer flux linkage are modulated to achieve improved power transfer characteristics and reduced converter losses. By... Read More about Flux control modulation for the dual active bridge DC/DC converter.

A Dual-Channel Enhanced Power Generation Architecture with Back-to-back Converter for MEA Application (2019)
Conference Proceeding
Lang, X., Yang, T., Enalou, H. B., Li, C., Bozhko, S., & Wheeler, P. (2019). A Dual-Channel Enhanced Power Generation Architecture with Back-to-back Converter for MEA Application. In Proceedings of 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (1392-1397). https://doi.org/10.1109/IEMDC.2019.8785095

This paper presents a new electricity power generation architecture for the engine system of more electric aircraft (MEA). A starter/generator (SG) is connected to high-pressure (HP) spool, and a generator is attached to low-pressure (LP) spool. Thei... Read More about A Dual-Channel Enhanced Power Generation Architecture with Back-to-back Converter for MEA Application.

Post -Fault Compensation Control Strategy for Multi-Three-Phase PMSM under Open-Circuit and Short-Circuit Condition (2019)
Conference Proceeding
Rahman, A. A., Galassini, A., Degano, M., Abbas, H., & Bozhko, S. (2019). Post -Fault Compensation Control Strategy for Multi-Three-Phase PMSM under Open-Circuit and Short-Circuit Condition. In Proceedings - 2019 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (121-127). https://doi.org/10.1109/WEMDCD.2019.8887854

This paper presents two post-fault compensation strategies for the distributed current control of a nine-phase Permanent-Magnet Synchronous Machine (PMSM). The dynamic performance in faulty condition is guaranteed by keeping the current loop bandwidt... Read More about Post -Fault Compensation Control Strategy for Multi-Three-Phase PMSM under Open-Circuit and Short-Circuit Condition.

Finite state machine control for aircraft electrical distribution system (2019)
Journal Article
Spagnolo, C., Sumsurooah, S., Hill, C. I., & Bozhko, S. (2019). Finite state machine control for aircraft electrical distribution system. Journal of Engineering, 2018(13), 506-511. https://doi.org/10.1049/joe.2018.0039

This study deals with the development of new control logic for more electric aircraft (MEA) electrical power systems (EPSs). A key aspect of the MEA concept is that traditional pneumatic and hydraulic loads are replaced by electrical equivalents. The... Read More about Finite state machine control for aircraft electrical distribution system.

On-board microgrids for the More Electric Aircraft: technology review (2018)
Journal Article
Giampaolo, B., Serhiy, B., Marco, L., Patrick, W., & Kamal, A. (2018). On-board microgrids for the More Electric Aircraft: technology review. IEEE Transactions on Industrial Electronics, 66(7), 5588-5599. https://doi.org/10.1109/TIE.2018.2881951

This paper presents an overview of technology related to on-board microgrids for the More Electric Aircraft. All aircraft use an isolated system, where security of supply and power density represent the main requirements. Different distribution syste... Read More about On-board microgrids for the More Electric Aircraft: technology review.