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Design of PMSM for EMA Employed in Secondary Flight Control Systems
Presentation / Conference Contribution
Giangrande, P., Al-Timimy, A., Galassini, A., Papadopoulos, S., Degano, M., & Galea, M. (2018, November). Design of PMSM for EMA Employed in Secondary Flight Control 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

© 2018 IEEE. The more electric aircraft (MEA) initiative aims to improve weight, fuel consumption and maintenance costs of the aircraft, by increasing the use of electric power in actuation systems. Considering this scenario, electromechanical actuat... Read More about Design of PMSM for EMA Employed in Secondary Flight Control Systems.

Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization
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.

A Novel Newton-Raphson-Based Searching Method for the MTPA Control of Pmasynrm Considering Magnetic and Cross Saturation
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.

Air-Cooling of a Hollow High-Speed Permanent Magnet Rotor
Presentation / Conference Contribution
Connor, P. H., La Rocca, A., Xu, Z., Degano, M., Eastwick, C. N., Pickering, S. J., & Gerada, C. (2019, May). Air-Cooling of a Hollow High-Speed Permanent Magnet Rotor. Presented at 2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019, San Diego, USA

This paper presents a computational fluid dynamics conjugate heat transfer analysis of internal and external cooling paths for a hollow high-speed permanent magnet rotor. Extracting magnet losses from high-speed permanent magnet rotors is challenging... Read More about Air-Cooling of a Hollow High-Speed Permanent Magnet Rotor.

Optimized Sizing of IPM Machines for Automotive Traction Application
Presentation / Conference Contribution
Valente, G., Gerada, D., Degano, M., Gerada, C., Foulsham, J., & Beeby, D. (2019, May). Optimized Sizing of IPM Machines for Automotive Traction Application. Presented at 2019 IEEE International Electric Machines & Drives Conference (IEMDC), San Diego, CA, USA

This paper presents the implementation of an electrical machine design tool including its overall architecture. The tool is flexible and can be employed for the sizing of any permanent magnet synchronous machine. The case study considered in this wor... Read More about Optimized Sizing of IPM Machines for Automotive Traction Application.

Permanent Magnet Reduction by Current Harmonics Injection for Surface Permanent Magnet Machines
Presentation / Conference Contribution
De Gaetano, D., Sala, G., Degano, M., & Gerada, C. (2021, April). Permanent Magnet Reduction by Current Harmonics Injection for Surface Permanent Magnet Machines. Presented at IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD 2021), Modena, Italy

This paper presents the analysis of multi-harmonic current injection in multi-three phase surface permanent magnet (SPM) machines. An analytical model, extended to a generic harmonic order, is used to describe and determine the no load flux density,... Read More about Permanent Magnet Reduction by Current Harmonics Injection for Surface Permanent Magnet Machines.

SMART: Modular Architecture for Reliable Transportation
Presentation / Conference Contribution
Papadopoulos, S., Galassini, A., Ruksnaitis, L., Farhat, N., Kiselychnyk, O., Midgley, W., & Degano, M. (2019, October). SMART: Modular Architecture for Reliable Transportation. Presented at IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, Lisbon, Portugal

This paper proposes a new ultra-reliable architecture for fully electric propulsion primarily aimed at the automotive sector. The system considers a direct drive arrangement, minimizing the number of moving components and is based on a network of mul... Read More about SMART: Modular Architecture for Reliable Transportation.

Post -Fault Compensation Control Strategy for Multi-Three-Phase PMSM under Open-Circuit and Short-Circuit Condition
Presentation / Conference Contribution
Rahman, A. A., Galassini, A., Degano, M., Abbas, H., & Bozhko, S. (2019, April). Post -Fault Compensation Control Strategy for Multi-Three-Phase PMSM under Open-Circuit and Short-Circuit Condition. Presented at 2019 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD), Athens, Greece

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.

Advantages of Communication in Double Three-Phase Surface Permanent Magnet Machines Fed by Independent Inverters
Presentation / Conference Contribution
Sala, G., Mengoni, M., Tani, A., Galassini, A., & Degano, M. (2019, September). Advantages of Communication in Double Three-Phase Surface Permanent Magnet Machines Fed by Independent Inverters. Presented at 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), Genova, Italy

This paper deals with a double three-phase Surface Permanent Magnet (SPM) drive where two independent three-phase inverters are supplying the same electrical machine. This work highlights how the magnetic coupling of the two windings affects the cont... Read More about Advantages of Communication in Double Three-Phase Surface Permanent Magnet Machines Fed by Independent Inverters.

Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines
Presentation / Conference Contribution
Sala, G., De Gaetano, D., Degano, M., & Gerada, C. (2019, April). Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines. Presented at IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD 2019), Athens, Greece

This work is showing in detail the flux density behaviour in the stator teeth of a synchronous machine. A 3-phase Surface Permanent Magnet (SPM) motor is considered. These motors are widely employed in applications where high efficiency and power den... Read More about Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines.

The Influence of Stator Material on the Power Density and Iron Loss of a High-Performace Starter-Generator for More Electric Aircraft
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.

Comparison of Aluminium and Copper Conductors in Hairpin Winding Design for High Power Density Traction Motors
Presentation / Conference Contribution
Petrelli, G., Cui, M., Zou, T., Sala, G., La Rocca, A., Barater, D., Franceschini, G., Gerada, D., Degano, M., & Gerada, C. (2022, September). Comparison of Aluminium and Copper Conductors in Hairpin Winding Design for High Power Density Traction Motors. Presented at International Conference on Electrical Machines (ICEM 2022), Valencia, Spain

Hairpin windings are becoming current/next generation solutions for traction motors of electric vehicles due to inherently reduced DC power losses and improved heat dissipation capability compared with random windings. Copper-based conductor has been... Read More about Comparison of Aluminium and Copper Conductors in Hairpin Winding Design for High Power Density Traction Motors.

Power Loss and Performance Analysis of a Permanent Magnet Synchronous Motor for Actuator Applications
Presentation / Conference Contribution
Tameemi, A., Degano, M., Di Nardo, M., Murataliyev, M., Gerada, D., Xu, Z., & Gerada, C. (2022, September). Power Loss and Performance Analysis of a Permanent Magnet Synchronous Motor for Actuator Applications. Presented at 2022 International Conference on Electrical Machines (ICEM), Valencia, Spain

Permanent magnet synchronous motors are very suitable in applications demanding high power density with high performance requirements, such as in aerospace actuators. Achieving high performance targets while keeping the total weight of the electrical... Read More about Power Loss and Performance Analysis of a Permanent Magnet Synchronous Motor for Actuator Applications.

Influence of Rotor Design on Electromagnetic Performance in Interior Permanent Magnet Machines
Presentation / Conference Contribution
Transi, T., Murataliyev, M., Degano, M., Preci, E., Gerada, D., & Gerada, C. (2020, October). Influence of Rotor Design on Electromagnetic Performance in Interior Permanent Magnet Machines. Presented at IECON 2020 - 46th Annual Conference of the IEEE Industrial Electronics Society, Singapore, Singapore

Nowadays, Interior Permanent Magnet Synchronous Machines (IPMSM) are widely adopted in various sectors such as automotive, railway or public transportation (e- buses, trams, etc.). Among the benefits that these machines present, they offer a number o... Read More about Influence of Rotor Design on Electromagnetic Performance in Interior Permanent Magnet Machines.

Influence of Optimisation Target Functions on Synchronous Reluctance Machines Design
Presentation / Conference Contribution
Korman, O., Nardo, M. D., Degano, M., & Gerada, C. (2020, October). Influence of Optimisation Target Functions on Synchronous Reluctance Machines Design. Presented at IECON 2020 - 46th Annual Conference of the IEEE Industrial Electronics Society, Singapore, Singapore

Synchronous reluctance machines (SynRel) are becoming very attractive for different applications because of their reluctance nature, easy manufacturability and low cost. Their design still represents a challange because of the many degrees of freedom... Read More about Influence of Optimisation Target Functions on Synchronous Reluctance Machines Design.

Multi-Sector Windings For Bearing Relief E-Machine: Saturation and Cross Coupling Effects
Presentation / Conference Contribution
Mahmoud, H., Valente, G., Degano, M., Nardo, M. D., Gerada, C., & James, B. (2020, August). Multi-Sector Windings For Bearing Relief E-Machine: Saturation and Cross Coupling Effects. Presented at Proceedings - 2020 International Conference on Electrical Machines, ICEM 2020, Gothenburg, Sweden

The key driving elements for any electrical machine (EM) used in aerospace and other safety critical applications are the reliability, mass, volume, and efficiency. To reduce mass/volume while satisfying the power required, the option is to increase... Read More about Multi-Sector Windings For Bearing Relief E-Machine: Saturation and Cross Coupling Effects.

Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations
Presentation / Conference Contribution
Preci, E., Valente, G., Bardalai, A., Transi, T., Zou, T., Gerada, D., Degano, M., Buticchi, G., & Gerada, C. (2020, October). Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations. Presented at IECON 2020 - 46th Annual Conference of the IEEE Industrial Electronics Society, Singapore, Singapore

This paper presents a comparison between hairpin and random distributed winding in electrical machines for automotive applications. Indeed, the overall performance of an electrical drive system is seriously affected by its winding design. The conside... Read More about Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations.

Advantages of a Double Three-Phase Winding Layout for a Dual Rotor E-Bike Motor Considering Third Current Harmonic Injection Technique
Presentation / Conference Contribution
Gaetano, D. D., Golovanov, D., Sala, G., Galassini, A., Degano, M., Mahmoud, H., & Gerada, C. (2020, June). Advantages of a Double Three-Phase Winding Layout for a Dual Rotor E-Bike Motor Considering Third Current Harmonic Injection Technique. Presented at 2020 IEEE Transportation Electrification Conference & Expo (ITEC), Chicago, IL, USA

The transportation electrification process is rapidly demanding for drivers with enhanced performance. Modern systems are moving from fossil fuel technologies toward hybrid and fully electric solutions. Consequently, in automotive and motorcycle sect... Read More about Advantages of a Double Three-Phase Winding Layout for a Dual Rotor E-Bike Motor Considering Third Current Harmonic Injection Technique.