All Outputs (194)

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.

Using DC-DC Converters as Active Harmonic Suppression Device for More Electric Aircraft Applications (2021)
Journal Article
Wang, C., Yang, T., Hussaini, H., & Bozhko, S. (2022). Using DC-DC Converters as Active Harmonic Suppression Device for More Electric Aircraft Applications. IEEE Transactions on Industrial Electronics, 69(7), 6508-6518. https://doi.org/10.1109/tie.2021.3099239

Harmonics generated from power electronic converters will impose significant power quality challenges to the electric grid onboard future aircraft. In this article, we propose an innovative modulation scheme that enables using a buck-boost dc-dc conv... Read More about Using DC-DC Converters as Active Harmonic Suppression Device for More Electric Aircraft Applications.

An Enhanced and Cost Saving Droop Control Method for Improved Load Sharing for the MEA Application (2021)
Presentation / Conference Contribution
Hussaini, H., Yang, T., Wang, C., & Bozhko, S. (2021, June). An Enhanced and Cost Saving Droop Control Method for Improved Load Sharing for the MEA Application. Presented at 2021 IEEE Transportation Electrification Conference & Expo (ITEC), Chicago, IL, USA

The more electric aircraft (MEA) concept has been identified as the major trend of future aircraft. The DC distribution network is a promising architecture for more-electric aircraft application, where multiple electrical sources are connected to a c... Read More about An Enhanced and Cost Saving Droop Control Method for Improved Load Sharing for the MEA Application.

Development of High-Current Solid-State Power Controllers for Aircraft High-Voltage DC Network Applications (2021)
Journal Article
Huang, Z., Yang, T., Adhikari, J., Wang, C., Wang, Z., Bozhko, S., & Wheeler, P. (2021). Development of High-Current Solid-State Power Controllers for Aircraft High-Voltage DC Network Applications. IEEE Access, 9, 105048-105059. https://doi.org/10.1109/access.2021.3099257

Solid-state power controllers (SSPCs) have been received increasing attention as they can configure the electrical system and protect the system by fast tripping mechanism at the same time. Although the high-voltage direct current (HVDC) electrical s... Read More about Development of High-Current Solid-State Power Controllers for Aircraft High-Voltage DC Network Applications.

Droop control design to minimize losses in DC microgrid for more electric aircraft (2021)
Journal Article
Mohamed, M. A., Rashed, M., Lang, X., Atkin, J., Yeoh, S., & Bozhko, S. (2021). Droop control design to minimize losses in DC microgrid for more electric aircraft. Electric Power Systems Research, 199, Article 107452. https://doi.org/10.1016/j.epsr.2021.107452

Droop control has been widely used as a load-sharing method between paralleled power sources in DC microgrid due to its modularity and reliability. Existing droop gains design methods rely on computationally intensive supervisory control algorithms a... Read More about Droop control design to minimize losses in DC microgrid for more electric aircraft.

Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft (2021)
Journal Article
Lang, X., Yang, T., Huang, Z., Wang, C., Wang, Z., Bozhko, S., & Wheeler, P. (2021). Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft. IEEE Transactions on Transportation Electrification, 8(1), 660-674. https://doi.org/10.1109/tte.2021.3095256

In the high-power settings of engine, such as maximum take-off, more power should be extracted from the high-pressure spool of engine (HPS) than the low-pressure spool of engine (LPS) to avoid the overspeed and potential instability of the HPS. Howev... Read More about Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft.

Torque-Performance Improvement for Direct Torque-Controlled PMSM Drives Based on Duty-Ratio Regulation (2021)
Journal Article
Nasr, A., Gu, C., Wang, X., Buticchi, G., Bozhko, S., & Gerada, C. (2022). Torque-Performance Improvement for Direct Torque-Controlled PMSM Drives Based on Duty-Ratio Regulation. IEEE Transactions on Power Electronics, 37(1), 749-760. https://doi.org/10.1109/tpel.2021.3093344

This article proposes a new duty-ratio regulation-based strategy to improve the torque performance for the direct torque control (DTC) of three-phase permanent magnet synchronous motors (PMSMs). The conventional DTC schemes utilize two hysteresis reg... Read More about Torque-Performance Improvement for Direct Torque-Controlled PMSM Drives Based on Duty-Ratio Regulation.

Fault Tolerant Control of Advanced Power Generation Center for More-Electric Aircraft Applications (2021)
Journal Article
Lang, X., Yang, T., Wang, Z., Wang, C., Bozhko, S., & Wheeler, P. (2022). Fault Tolerant Control of Advanced Power Generation Center for More-Electric Aircraft Applications. IEEE Transactions on Transportation Electrification, 8, 4173-4189. https://doi.org/10.1109/TTE.2021.3093506

This paper presents a control scheme for a recently reported aircraft advanced power generation center (APGC) during postfault operation conditions. Within the APGC, two electrical generators extract power from two separate engine shafts and supply e... Read More about Fault Tolerant Control of Advanced Power Generation Center for More-Electric Aircraft Applications.

Droop Coefficient Design in Droop Control of Power Converters for Improved Load Sharing: An Artificial Neural Network Approach (2021)
Presentation / Conference Contribution
Hussaini, H., Yang, T., Gao, Y., Wang, C., Dragicevic, T., & Bozhko, S. (2021, June). Droop Coefficient Design in Droop Control of Power Converters for Improved Load Sharing: An Artificial Neural Network Approach. Presented at 2021 IEEE 30th International Symposium on Industrial Electronics (ISIE), Kyoto, Japan

In this paper, a new approach for the design of the droop coefficient in the droop control of power converters using the artificial neural network (ANN) is proposed. In the first instance, a detailed more electric aircraft (MEA) electrical power syst... Read More about Droop Coefficient Design in Droop Control of Power Converters for Improved Load Sharing: An Artificial Neural Network Approach.

Open and Short Circuit Post-Fault Control Strategies for Multi-Three-Phase Interior Permanent Magnet Machines (2021)
Journal Article
Abdul Rahman, A., Galassini, A., Degano, M., Buticchi, G., Cristian Pesce, G., Gerada, C., Bozhko, S., & Almurib, H. A. (2022). Open and Short Circuit Post-Fault Control Strategies for Multi-Three-Phase Interior Permanent Magnet Machines. IEEE Transactions on Energy Conversion, 37(1), 163-174. https://doi.org/10.1109/tec.2021.3090982

This paper presents a post-fault current control strategy for dual three-phase Interior Permanent Magnet (IPM) synchronous machines. The current controllers are designed based on the Vector Space Decomposition (VSD) algorithm. This take into account... Read More about Open and Short Circuit Post-Fault Control Strategies for Multi-Three-Phase Interior Permanent Magnet Machines.

Model Predictive Control for DC Offset Suppression of Dual Active Bridge Converter for More-Electric Aircraft Applications (2021)
Presentation / Conference Contribution
Zhu, Y., Wang, Z., Yang, T., Dragicevic, T., Bozhko, S., & Wheeler, P. (2021, June). Model Predictive Control for DC Offset Suppression of Dual Active Bridge Converter for More-Electric Aircraft Applications. Presented at 2021 ISIE-30th IEEE International Symposium on Industrial Electronics, Kyoto, Japan (online)

In this paper, the Dual Active Bridge (DAB) converter used to interface batteries for 270/28V on-board grid in More electric aircraft (MEA) applications is investigated. In order to transfer the desired rated power of 3kW, the low voltage terminal cu... Read More about Model Predictive Control for DC Offset Suppression of Dual Active Bridge Converter for More-Electric Aircraft Applications.

Suppression of First Side-Band Switching Harmonics Using DC-DC converters with an Advanced Modulation Scheme (2021)
Journal Article
Wang, C., Yang, T., Wang, Z., & Bozhko, S. (2022). Suppression of First Side-Band Switching Harmonics Using DC-DC converters with an Advanced Modulation Scheme. IEEE Transactions on Transportation Electrification, 8(1), 778-787. https://doi.org/10.1109/tte.2021.3090530

The common dc-bus concept has become an attractive solution for future aircraft electrical power systems. This article considers the case where a battery connected dc-dc converter and a permanent magnet generator connected ac-dc converter are supplyi... Read More about Suppression of First Side-Band Switching Harmonics Using DC-DC converters with an Advanced Modulation Scheme.

Robust Direct Field Oriented Control Of Induction Generator (2021)
Journal Article
Peresada, S., Bozhko, S., Kovbasa, S., & Nikonenko, E. (2021). Robust Direct Field Oriented Control Of Induction Generator. Tekhnichna Elektrodynamika, 2021(4), 14-24. https://doi.org/10.15407/techned2021.04.014

A novel and robust field oriented vector control method for standalone induction generators (IG) is presented. The proposed controller exploits the concept of direct field orientation and provides asymptotic rotor flux modulus and DClink voltage regu... Read More about Robust Direct Field Oriented Control Of Induction Generator.

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.

Power Quality Improvement Using an Active Power Sharing Scheme in More Electric Aircraft (2021)
Journal Article
Wang, C., Yang, T., Hussaini, H., Huang, Z., & Bozhko, S. (2022). Power Quality Improvement Using an Active Power Sharing Scheme in More Electric Aircraft. IEEE Transactions on Industrial Electronics, 69(4), 3588-3598. https://doi.org/10.1109/tie.2021.3076401

This article proposed a harmonic suppression scheme that used a dc-dc converter as an active harmonic injector to cancel voltage harmonics on the HVdc bus within a hybrid power generation centre (HPGC). A permanent magnet synchronous generator and a... Read More about Power Quality Improvement Using an Active Power Sharing Scheme in More Electric Aircraft.

Electric/Hybrid-Electric Aircraft Propulsion Systems (2021)
Journal Article
Wheeler, P., Sirimanna, T. S., Bozhko, S., & Haran, K. S. (2021). Electric/Hybrid-Electric Aircraft Propulsion Systems. Proceedings of the IEEE, 109(6), 1115-1127. https://doi.org/10.1109/jproc.2021.3073291

The idea of electric propulsion for transportation is not new; indeed, the first cars, nearly 200 years ago, were electric. However, our dependence on fossil fuels over the last 100 years is now being questioned, and as a global society, we are movin... Read More about Electric/Hybrid-Electric Aircraft Propulsion Systems.

Electric Power Transfer Concept for Enhanced Performance of the More Electric Engine (2021)
Journal Article
Balaghi Enalou, H., & Bozhko, S. (2021). Electric Power Transfer Concept for Enhanced Performance of the More Electric Engine. Journal of Engineering for Gas Turbines and Power, 143(9), Article 091002. https://doi.org/10.1115/1.4050154

In future electrified aircraft, multispool more electric engines (MEEs) are expected to be equipped with electric generators connected to each shaft for power offtake and supplying onboard electrical loads. These can be interfaced to a common high-vo... Read More about Electric Power Transfer Concept for Enhanced Performance of the More Electric Engine.

Torque Ripple Suppression for IPMSM using FEA- based Model Predictive Direct Torque Control (2021)
Presentation / Conference Contribution
Nasr, A., Gu, C., Zhao, W., Bozhko, S., & Gerada, C. (2021, April). Torque Ripple Suppression for IPMSM using FEA- based Model Predictive Direct Torque Control. Presented at IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD 2021), Modena, Italy

The interest in model predictive direct torque control (MP-DTC) for high-performance dynamic control of electric drives has been growing. Unlike the conventional direct torque control (DTC), MP-DTC can achieve optimal voltage selection by predicting... Read More about Torque Ripple Suppression for IPMSM using FEA- based Model Predictive Direct Torque Control.

Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives (2021)
Journal Article
Guo, F., Yang, T., Li, C., Bozhko, S., & Wheeler, P. (2021). Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives. IEEE Transactions on Industrial Electronics, 69(3), 2276-2287. https://doi.org/10.1109/TIE.2021.3065605

In this article, the equivalent relationship between the nearest-three-virtual space vector and carrier-based pulsewidth-modulation scheme is established based on space vector coordinate for a three-level neutral-point-clamped (3L-NPC) converter. Mor... Read More about Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives.