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Multi-Objective Supervisory Control for DC/DC Converters in Advanced Aeronautic Applications (2018)
Journal Article
Cavallo, A., Canciello, G., Guida, B., Kulsangcharoen, P., Yeoh, S., Rashed, M., & Bozhko, S. (2018). Multi-Objective Supervisory Control for DC/DC Converters in Advanced Aeronautic Applications. Energies, 11(11), Article 3216. https://doi.org/10.3390/en11113216

In this paper, an intelligent control strategy for DC/DC converters is proposed. The converter connects two DC busses, a high-voltage and a low-voltage bus. The control scheme is composed by a two-layer architecture, a low-level control based on the... Read More about Multi-Objective Supervisory Control for DC/DC Converters in Advanced Aeronautic Applications.

3L-NPC AC-DC power converter using virtual space vector PWM with optimal switching sequence based on G-h coordinate (2018)
Presentation / Conference Contribution
Guo, F., Yang, T., Bozhko, S., & Wheeler, P. (2018). 3L-NPC AC-DC power converter using virtual space vector PWM with optimal switching sequence based on G-h coordinate. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC)

Potential Improvements in Turbofan's Performance by Electric Power Transfer (2018)
Presentation / Conference Contribution
Enalou, H. B., Le-Peuvedic, J. M., Rashed, M., & Bozhko, S. (2018). Potential Improvements in Turbofan's Performance by Electric Power Transfer. . https://doi.org/10.4271/2018-01-1962

© 2018 SAE International. All Rights Reserved. Bleeding in engines is essential to mitigate the unmatched air massflow between low and High Pressure (HP) compressors at low speed settings, thus avoiding unstable operation due to surge and phenomena.... Read More about Potential Improvements in Turbofan's Performance by Electric Power Transfer.

Neutral Point Voltage Control Method for Three-Level Diode-Clamped Converter Based on Fourth Harmonic Current Injection (2018)
Presentation / Conference Contribution
Li, C., Yang, T., Bozhko, S., & Wheeler, P. (2018). Neutral Point Voltage Control Method for Three-Level Diode-Clamped Converter Based on Fourth Harmonic Current Injection. In Proceedings - 2018 IEEE Energy Conversion Congress and Exposition (ECCE) (6996-7002). https://doi.org/10.1109/ECCE.2018.8557537

DC-link neutral point voltage balancing for three level neutral point clamped converters has been extensively investigated. Many effective methods have been reported with desirable performances under high power factor conditions. However, most of the... Read More about Neutral Point Voltage Control Method for Three-Level Diode-Clamped Converter Based on Fourth Harmonic Current Injection.

Concept of experimental research for electrical vehicle electromechanical systems with hybrid energy storages (2018)
Journal Article
Peresada, S., Kovbasa, S., Nikonenko, Y., & Bozhko, S. (2018). Concept of experimental research for electrical vehicle electromechanical systems with hybrid energy storages. Tekhnichna Elektrodynamika, 2018(5), 57-60. https://doi.org/10.15407/techned2018.05.057

In this paper, the concept of experimental investigations of electric vehicles electromechanical systems with hybrid energy storages is designed. Hybrid energy storage system is based on accumulators and super capacitors.... Read More about Concept of experimental research for electrical vehicle electromechanical systems with hybrid energy storages.

Development of aircraft electric starter-generator system based-on active rectification technology (2018)
Journal Article
Bozhko, S., Yang, T., Le Peuvedic, J.-M., Arumugam, P., Degano, M., La Rocca, A., …Wheeler, P. (2018). Development of aircraft electric starter-generator system based-on active rectification technology. IEEE Transactions on Transportation Electrification, 4(4), 985-996. https://doi.org/10.1109/TTE.2018.2863031

More-electric aircraft (MEA) has become a dominant trend for modern aircraft. On-board MEA, many functions, which are conventionally driven by pneumatic and hydraulic power, are replaced with electrical subsystems. Starting aircraft engines with an e... Read More about Development of aircraft electric starter-generator system based-on active rectification technology.

Control system design and the power management of MEFADEC assembled on More-Electric Aircraft (2018)
Presentation / Conference Contribution
Yin, M., Bozhko, S., Yao, T., & You, C. (in press). Control system design and the power management of MEFADEC assembled on More-Electric Aircraft.

This paper deals with a novel control system design of More Electric Full Authorized Digital Electronic Control (MEFADEC) on the more electric aircraft. On the base of the analysis of the power management of MEFADEC system, the power of the more elec... Read More about Control system design and the power management of MEFADEC assembled on More-Electric Aircraft.

A preliminary study into turbofan performance with LP-HP power exchange (2018)
Presentation / Conference Contribution
Enalou, H. B., Bozhko, S., Rashed, M., & Kulsangcharoen, P. (2018). A preliminary study into turbofan performance with LP-HP power exchange.

Once an engine is designed, its Low Pressure (LP) and High Pressure (HP) shaft speeds are inevitably thermodynamically coupled which imposes certain operational constraints. These spools are not mechanically connected, however, in future more electri... Read More about A preliminary study into turbofan performance with LP-HP power exchange.

Performance improvement of the CFM56-3 aircraft engine by electric power transfer (2018)
Presentation / Conference Contribution
Enalou, H. B., & Bozhko, S. (2018). Performance improvement of the CFM56-3 aircraft engine by electric power transfer. In Proceedings of 13th European Conference on Turbomachinery Fluid dynamics & Thermodynamics (ETC13)

With the design trends towards the More Electric Engine (MEE) for the More Electric Aircraft (MEA), areas for novel technologies can be pinpointed for multi-spool engines, introducing remarkable improvements to push the boundaries of propulsion techn... Read More about Performance improvement of the CFM56-3 aircraft engine by electric power transfer.

Generic functional modelling of multi-pulse auto-transformer rectifier units for more-electric aircraft applications (2018)
Journal Article
Yang, T., Bozhko, S., Wheeler, P., Wang, S., & Wu, S. (2018). Generic functional modelling of multi-pulse auto-transformer rectifier units for more-electric aircraft applications. Chinese Journal of Aeronautics, 31(5), 883-891. https://doi.org/10.1016/j.cja.2018.03.010

The Auto-Transformer Rectifier Unit (ATRU) is one preferred solution for high-power AC/DC power conversion in aircraft. This is mainly due to its simple structure, high reliability and reduced kVA ratings. Indeed, the ATRU has become a preferred AC/D... Read More about Generic functional modelling of multi-pulse auto-transformer rectifier units for more-electric aircraft applications.

Toward Robust Stability of Aircraft Electrical Power Systems: Using a μ-Based Structural Singular Value to Analyze and Ensure Network Stability (2017)
Journal Article
Sumsurooah, S., Odavic, M., Bozhko, S., & Boroyevich, D. (2017). Toward Robust Stability of Aircraft Electrical Power Systems: Using a μ-Based Structural Singular Value to Analyze and Ensure Network Stability. IEEE Electrification Magazine, 5(4), 62-71. https://doi.org/10.1109/MELE.2017.2757383

Transport accounts for nearly two-thirds of the global crude oil consumption and about a quarter of carbon dioxide (CO2) emissions (International Energy Agency 2009, Intergovernmental Panel on Climate Change 2014). The energy use and CO2 emissions in... Read More about Toward Robust Stability of Aircraft Electrical Power Systems: Using a μ-Based Structural Singular Value to Analyze and Ensure Network Stability.

Adaptive Stabilization of Uncontrolled Rectifier Based AC–DC Power Systems Feeding Constant Power Loads (2017)
Journal Article
Areerak, K., Sopapirm, T., Bozhko, S., Hill, C. I., Suyapan, A., & Areerak, K. (2018). Adaptive Stabilization of Uncontrolled Rectifier Based AC–DC Power Systems Feeding Constant Power Loads. IEEE Transactions on Power Electronics, 33(10), 8927-8935. https://doi.org/10.1109/TPEL.2017.2779541

© 2017 IEEE. It is known that, when tightly regulated, actively controlled power converters behave as constant power loads (CPLs). These loads can significantly degrade the stability of their feeder system. The loop-cancelation technique has been est... Read More about Adaptive Stabilization of Uncontrolled Rectifier Based AC–DC Power Systems Feeding Constant Power Loads.

Maximum torque-per-amp tracking control of saturated induction motors (2017)
Presentation / Conference Contribution
Peresada, S., Kovbasa, S., Dymko, S., & Bozhko, S. (2017). Maximum torque-per-amp tracking control of saturated induction motors. In 2017 Proceedings of the International Conference on Modern Electrical and Energy Systems (MEES) (72-75). https://doi.org/10.1109/MEES.2017.8248955

An improved maximum torque per Ampere (MTPA) controller for induction motor (IM) drives is presented. The proposed MTPA field oriented controller guarantees asymptotic torque tracking of smooth reference trajectories and maximises the torque per Ampe... Read More about Maximum torque-per-amp tracking control of saturated induction motors.

A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems (2017)
Presentation / Conference Contribution
Li, C., Lo Calzo, G., Bozhko, S., Gerada, C., Wheeler, P., & Yang, T. (2017). A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems.

The neutral point voltage balancing issue for three level Neutral point clamped (NPC) converter has been extensively investigated recently. Different solutions to balance the neutral point have been proposed. However the proposed solutions so far eit... Read More about A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems.

Robust stability analysis of a dc/dc buck converter under multiple parametric uncertainties (2017)
Journal Article
Sumsurooah, S., Odavic, M., Bozhko, S., & Boroyevich, D. (in press). Robust stability analysis of a dc/dc buck converter under multiple parametric uncertainties. IEEE Transactions on Power Electronics, https://doi.org/10.1109/TPEL.2017.2736023

Stability studies are a crucial part of the design of power electronic systems, especially for safety critical ap¬plications. Standard methods can guarantee stability under nominal conditions but do not take into account the multiple uncertainties th... Read More about Robust stability analysis of a dc/dc buck converter under multiple parametric uncertainties.

Permanent magnet machine based starter-generator system with modulated model predictive control (2017)
Journal Article
Yeoh, S. S., Yang, T., Tariscotti, L., Hill, C. I., Bozhko, S., & Zanchetta, P. (in press). Permanent magnet machine based starter-generator system with modulated model predictive control. IEEE Transactions on Transportation Electrification, https://doi.org/10.1109/TTE.2017.2731626

The paper describes a hybrid control scheme for a permanent magnet machine based starter-generator (S/G) system. There has been increased usage of electric drive systems in the transportation sector for increased efficiency and reduced emissions. One... Read More about Permanent magnet machine based starter-generator system with modulated model predictive control.

Flux weakening control of electric starter-generator based on permanent-magnet machine (2017)
Journal Article
Bozhko, S., Rashed, M., Hill, C. I., Yeoh, S. S., & Yang, T. (2017). Flux weakening control of electric starter-generator based on permanent-magnet machine. IEEE Transactions on Transportation Electrification, 3(4), 864-877. https://doi.org/10.1109/TTE.2017.2718221

The paper presents control analysis and design for a Permanent Magnet Machine (PMM) operated in Flux-Weakening (FW) mode for an aircraft electric starter-generator application. Previous literature has focused on FW control of PMMs in motoring (starti... Read More about Flux weakening control of electric starter-generator based on permanent-magnet machine.

Control Design and Voltage Stability Analysis of a Droop-Controlled Electrical Power System for More Electric Aircraft (2017)
Journal Article
Gao, F., Bozhko, S., Costabeber, A., Asher, G., & Wheeler, P. (2017). Control Design and Voltage Stability Analysis of a Droop-Controlled Electrical Power System for More Electric Aircraft. IEEE Transactions on Industrial Electronics, 64(12), 9271-9281. https://doi.org/10.1109/TIE.2017.2711552

This paper focuses on the analysis of a single DC bus multi-generator Electrical Power System (EPS) for future More Electric Aircrafts (MEA). Within such a single bus paradigm, the paper proposes a detailed control design procedure and provides a sta... Read More about Control Design and Voltage Stability Analysis of a Droop-Controlled Electrical Power System for More Electric Aircraft.

DC-Link Capacitor Second Carrier Band Switching Harmonic Current Reduction in Two-Level Back-to-Back Converters (2017)
Journal Article
Shen, L., Bozhko, S., Hill, C. I., & Wheeler, P. (2018). DC-Link Capacitor Second Carrier Band Switching Harmonic Current Reduction in Two-Level Back-to-Back Converters. IEEE Transactions on Power Electronics, 33(4), 3567-3574. https://doi.org/10.1109/TPEL.2017.2706972

© 1986-2012 IEEE. This paper proposes an active switching harmonic current reduction method within the dc-link capacitor of two-level, three-phase, back-to-back converters. This method is based on the derived analytical solution for switching harmoni... Read More about DC-Link Capacitor Second Carrier Band Switching Harmonic Current Reduction in Two-Level Back-to-Back Converters.