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Novel Motor-Shaped Rotational Inductor for Motor Drive Applications (2019)
Journal Article
Odhano, S., Khowja, M. R., Gerada, C., Vakil, G., Abebe, R., Odhano, S. A., Patel, C., & Wheeler, P. (2020). Novel Motor-Shaped Rotational Inductor for Motor Drive Applications. IEEE Transactions on Industrial Electronics, 67(3), 1844-1854. https://doi.org/10.1109/tie.2019.2907512

This paper presents a validation of the novel motor-shaped rotational inductor. To validate the concept, 12 slots 2 poles rotational inductor is tested at different supply frequencies and rotor speeds. Experimental results have shown that the iron lo... Read More about Novel Motor-Shaped Rotational Inductor for Motor Drive Applications.

Considerations on the Development of an Electric Drive for a Secondary Flight Control Electromechanical Actuator (2019)
Journal Article
Giangrande, P., Galassini, A., Papadopoulos, S., Al-Timimy, A., Calzo, G. L., Degano, M., Gerada, C., & Galea, M. (2019). Considerations on the Development of an Electric Drive for a Secondary Flight Control Electromechanical Actuator. IEEE Transactions on Industry Applications, 55(4), 3544-3554. https://doi.org/10.1109/tia.2019.2907231

The more electric aircraft concept aims to improve the fuel consumption, the weight, and both the maintenance and operating costs of the aircraft, by promoting the use of electric power in actuation systems. According to this scenario, electromechani... Read More about Considerations on the Development of an Electric Drive for a Secondary Flight Control Electromechanical Actuator.

Fixed switching frequency predictive control of an asymmetric source dual inverter system with a floating bridge for multilevel operation (2019)
Journal Article
Chowdhury, S., Wheeler, P., Huang, Z., Rivera, M., & Gerada, C. (2019). Fixed switching frequency predictive control of an asymmetric source dual inverter system with a floating bridge for multilevel operation. IET Power Electronics, 12(3), 450-457. https://doi.org/10.1049/iet-pel.2018.5395

This study proposes a modified modulated model predictive control (MMPC) scheme to control an open-end winding induction motor drive using an asymmetric source dual inverter with one floating bridge. The control algorithm uses a modulation algorithm... Read More about Fixed switching frequency predictive control of an asymmetric source dual inverter system with a floating bridge for multilevel operation.

High Torque Density Torque Motor With Hybrid Magnetization Pole Arrays for Jet Pipe Servo Valve (2019)
Journal Article
Zhang, Q., Yan, L., Duan, Z., Jiao, Z., Gerada, C., & Chen, I.-M. (2020). High Torque Density Torque Motor With Hybrid Magnetization Pole Arrays for Jet Pipe Servo Valve. IEEE Transactions on Industrial Electronics, 67(3), 2133-2142. https://doi.org/10.1109/tie.2019.2903761

Torque motor is one key component that directly influences the dynamic performance of jet pipe servo valve in aircraft. In this paper, a novel torque motor with hybrid-magnetization pole arrays is proposed. By changing the magnetization patterns of p... Read More about High Torque Density Torque Motor With Hybrid Magnetization Pole Arrays for Jet Pipe Servo Valve.

Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry (2019)
Journal Article
La Rocca, S., Pickering, S. J., Eastwick, C. N., Gerada, C., & Rönnberg, K. (2019). Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry. Journal of Engineering, 2019(17), 3831-3835. https://doi.org/10.1049/joe.2018.8026

Here, a typical small low-voltage totally enclosed fan-cooled (TEFC) motor (output power ∼10 kW) has been studied using computational fluid dynamics. The complexity of the end-winding geometries, often consisting of several insulated copper strands b... Read More about Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry.

The Influence of Winding Location in Flux-Switching Permanent-Magnet Machines (2019)
Journal Article
Zhang, H., Hua, W., Hu, M., Gerada, D., & Gerada, C. (2019). The Influence of Winding Location in Flux-Switching Permanent-Magnet Machines. IEEE Transactions on Magnetics, 55(7), Article 8104205. https://doi.org/10.1109/tmag.2018.2886686

The main purpose of this paper is to investigate the influence of winding location on back electromotive force (EMF) and armature inductance in flux-switching permanent-magnet (FSPM) machines. To obtain an analytical solution, a double-stator-pitch m... Read More about The Influence of Winding Location in Flux-Switching Permanent-Magnet Machines.

Simplified Damper Cage Circuital Model and Fast Analytical–Numerical Approach for the Analysis of Synchronous Generators (2018)
Journal Article
Nuzzo, S., Bolognesi, P., Gerada, C., & Galea, M. (2019). Simplified Damper Cage Circuital Model and Fast Analytical–Numerical Approach for the Analysis of Synchronous Generators. IEEE Transactions on Industrial Electronics, 66(11), 8361-8371. https://doi.org/10.1109/tie.2018.2885737

The long and enduring history of utilization of the wound-field synchronous generator in a large number of applications makes it one of the most known and consolidated electrical machine technologies. Thus, its design, modeling, and analysis processe... Read More about Simplified Damper Cage Circuital Model and Fast Analytical–Numerical Approach for the Analysis of Synchronous Generators.

Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization (2018)
Presentation / Conference Contribution
Mahmoud, H., Degano, M., Bacco, G., Bianchi, N., & Gerada, C. (2018, September). Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization. Presented at 2018 IEEE Energy Conversion Congress and Exposition (ECCE), Portland, Oregon, USA

The complex rotor structure of synchronous reluctance machines causes a high harmonic content in the air-gap flux density and then flux density fluctuations in different iron parts. The importance of determining accurately the total iron losses in th... Read More about Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization.

Design Considerations of Fault-Tolerant Electromechanical Actuator Systems for More Electric Aircraft (MEA) (2018)
Presentation / Conference Contribution
Zhu, S., Cox, T., Xu, Z., Gerada, C., & Li, C. (2018, September). Design Considerations of Fault-Tolerant Electromechanical Actuator Systems for More Electric Aircraft (MEA). Presented at IEEE Energy Conversion Congress and Exposition ( ECCE 2018), Portland, OR

This paper studies the concerns such as architecture and reliability in the deployment of electromechanical actuator (EMA) in the actuation system for more electric aircraft (MEA). First, the reliability of the actuation system architecture such as c... Read More about Design Considerations of Fault-Tolerant Electromechanical Actuator Systems for More Electric Aircraft (MEA).

A Holistic Electrical Machine Design Tool for More-Electric and Hybrid-Electric Aircraft (2018)
Presentation / Conference Contribution
Golovanov, D., Xu, Z., Gerada, D., Gerada, C., & Papini, L. (2018, November). A Holistic Electrical Machine Design Tool for More-Electric and Hybrid-Electric Aircraft. Presented at 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC), Nottingham, UK

The power density of electrical machines required for more-electric and hybrid-electric aircraft has become a critical aspect and target of optimization. This paper looks at the development aspects of a multi-domain tool to aid for system-level optim... Read More about A Holistic Electrical Machine Design Tool for More-Electric and Hybrid-Electric Aircraft.

Performance Analysis of PMSM for High-Speed Starter-Generator System (2018)
Presentation / Conference Contribution
Diab, A., Gerada, C., Rashed, M., Bozhko, S., & Li, J. (2018, November). Performance Analysis of PMSM for High-Speed Starter-Generator System. Presented at 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC), Nottingham, UK

© 2018 IEEE. This paper presents the operating characteristics of surface-mounted permanent magnet synchronous machine taking into account the influence of stator resistance and inductance variation at high frequencies, whose effect are always neglec... Read More about Performance Analysis of PMSM for High-Speed Starter-Generator System.

State of the Art of Electric Taxiing Systems (2018)
Presentation / Conference Contribution
Lukic, M., Hebala, A., Giangrande, P., Klumpner, C., Nuzzo, S., Chen, G., Gerada, C., Eastwick, C., & Galea, M. (2018, November). State of the Art of Electric Taxiing Systems. Presented at 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC), Nottingham, UK

The aviation industry represents an ever-expanding economy and the aircraft market forecast reveals an optimistic growth for the coming decades. New requirements and guidelines call for a more efficient, reliable, and environment friendly aircraft op... Read More about State of the Art of Electric Taxiing Systems.

High Frequency Harmonic Current Generator for More Electric Aircraft Based on GaN HFETs (2018)
Presentation / Conference Contribution
Wang, M., Fan, B., Xu, L., Kuiwang, K., Zheng, Z., Li, Y., Gerada, C., Zhang, H., & Li, J. (2018, November). High Frequency Harmonic Current Generator for More Electric Aircraft Based on GaN HFETs. Presented at 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC), Nottingham

© 2018 IEEE. With the development of more electric aircraft (MEA), the number of power electronic equipment and variable frequency electrical loads are increasing rapidly, which leads to challenges in terms of power quality of aircraft power system.... Read More about High Frequency Harmonic Current Generator for More Electric Aircraft Based on GaN HFETs.

Performance Comparison of Doubly Salient Reluctance Generators for High-Voltage DC Power System of More Electric Aircraft (2018)
Presentation / Conference Contribution
Li, Y., Zhang, Z., Gerada, D., & Gerada, C. (2018, November). Performance Comparison of Doubly Salient Reluctance Generators for High-Voltage DC Power System of More Electric Aircraft. Presented at 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC), Nottingham, UK

The generation performance of the switched reluctance machine (SRM)-based starter/generator (S/G) and the doubly salient electromagnetic machine (DSEM)-based S/G is analyzed and compared in this paper. The topologies, operation principles of the doub... Read More about Performance Comparison of Doubly Salient Reluctance Generators for High-Voltage DC Power System of More Electric Aircraft.

A Novel Thermal Network Model Used for Temperature Calculation and Analysis on Brushless Doubly-Fed Generator With Winding Encapsulating Structure (2018)
Journal Article
Jiang, X., Zhang, Y., Jin, S., Zhang, F., & Gerada, C. (2019). A Novel Thermal Network Model Used for Temperature Calculation and Analysis on Brushless Doubly-Fed Generator With Winding Encapsulating Structure. IEEE Transactions on Industry Applications, 55(2), 1473-1483. https://doi.org/10.1109/tia.2018.2883542

© 1972-2012 IEEE. In recent years, magnetic-barrier rotor has been put forward for brushless doubly-fed generator (BDFG) application owing to its desirable performance, such as high power density and strong magnetic coupling ability. However, it also... Read More about A Novel Thermal Network Model Used for Temperature Calculation and Analysis on Brushless Doubly-Fed Generator With Winding Encapsulating Structure.

Wide Bandgap Voltage Source Inverter Design for Automotive Electric Drivetrain (2018)
Presentation / Conference Contribution
Savi, F., Buticchi, G., Gerada, C., Wheeler, P., & Barater, D. (2018, November). Wide Bandgap Voltage Source Inverter Design for Automotive Electric Drivetrain. Presented at 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles and International Transportation Electrification Conference, ESARS-ITEC 2018, Nottingham, UK

In this paper a high power, high frequency voltage source inverter for automotive traction application is reviewed. The main objectives of the design process is the maximization of power density, while keeping high efficiency and low weight. In this... Read More about Wide Bandgap Voltage Source Inverter Design for Automotive Electric Drivetrain.

The Influence of Stator Material on the Power Density and Iron Loss of a High-Performace Starter-Generator for More Electric Aircraft (2018)
Presentation / Conference Contribution
Golovanov, D., Xu, Z., Gerada, D., Degano, M., Vakil, G., & Gerada, C. (2018, October). The Influence of Stator Material on the Power Density and Iron Loss of a High-Performace Starter-Generator for More Electric Aircraft. Presented at 2018 21st International Conference on Electrical Machines and Systems (ICEMS), Jeju, South Korea

Maximizing the power density as well as efficiency are two of the main critical aspects for engineers who are designing electrical machines for aerospace applications. Iron losses have a significant impact on the total machine efficiency, thermal sta... Read More about The Influence of Stator Material on the Power Density and Iron Loss of a High-Performace Starter-Generator for More Electric Aircraft.

Open-circuit fault tolerant study of bearingless multi-sector permanent magnet machines (2018)
Presentation / Conference Contribution
Valente, G., Papini, L., Formentini, A., Gerada, C., & Zanchetta, P. (2018, May). Open-circuit fault tolerant study of bearingless multi-sector permanent magnet machines. Presented at 2018 International Power Electronics Conference (IPEC-Niigata 2018-ECCE Asia), Niigata, Japan

This paper presents a fault tolerant study of a multiphase sectored permanent magnet synchronous machine involving a tripel three-phase winding. The machine electromagnetic model is written in a general way so that it can be extended and applied to a... Read More about Open-circuit fault tolerant study of bearingless multi-sector permanent magnet machines.

A Novel Newton-Raphson-Based Searching Method for the MTPA Control of Pmasynrm Considering Magnetic and Cross Saturation (2018)
Presentation / Conference Contribution
Wang, S., Degano, M., Kang, J., Galassini, A., & Gerada, C. (2018, September). A Novel Newton-Raphson-Based Searching Method for the MTPA Control of Pmasynrm Considering Magnetic and Cross Saturation. Presented at 2018 XIII International Conference on Electrical Machines (ICEM), Alexandroupoli, Greece

Maximum torque per ampere control (MTPA) takes full advantage of the reluctance torque aiming at the minimum copper loss, which can increase the torque output under the minimum current conditions. The traditional MTPA method makes use of equations wi... Read More about A Novel Newton-Raphson-Based Searching Method for the MTPA Control of Pmasynrm Considering Magnetic and Cross Saturation.