Skip to main content

Research Repository

Advanced Search

All Outputs (85)

Rotor Position Tracking Control for Low Speed Operation of Direct-Drive PMSM Servo System (2020)
Journal Article
Bu, F., Xuan, F., Yang, Z., Gao, Y., Pan, Z., Degano, M., & Gerada, C. (2021). Rotor Position Tracking Control for Low Speed Operation of Direct-Drive PMSM Servo System. IEEE/ASME Transactions on Mechatronics, 26(2), 1129-1139. https://doi.org/10.1109/tmech.2020.3019039

In this paper, a rotor position tracking control (RPTC) strategy is proposed to effectively reduce the speed fluctuation for a direct-drive permanent magnet synchronous motor (DD-PMSM) servo system operating at low speed with different torque disturb... Read More about Rotor Position Tracking Control for Low Speed Operation of Direct-Drive PMSM Servo System.

Multi-Sector Windings For Bearing Relief E-Machine: Saturation and Cross Coupling Effects (2020)
Conference Proceeding
Mahmoud, H., Valente, G., Degano, M., Nardo, M. D., Gerada, C., & James, B. (2020). Multi-Sector Windings For Bearing Relief E-Machine: Saturation and Cross Coupling Effects. . https://doi.org/10.1109/icem49940.2020.9270761

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.

Rotor Design Optimization of Squirrel Cage Induction Motor - Part I: Problem Statement (2020)
Journal Article
Marfoli, A., Di Nardo, M., Degano, M., Gerada, C., & Chen, W. (2021). Rotor Design Optimization of Squirrel Cage Induction Motor - Part I: Problem Statement. IEEE Transactions on Energy Conversion, 36(2), 1271-1279. https://doi.org/10.1109/tec.2020.3019934

Squirrel cage induction motor is the most widely adopted electrical machine in applications directly fed by the main grid. The analysis, design and optimization of this machine topology has been addressed by a considerable amount of literature over t... Read More about Rotor Design Optimization of Squirrel Cage Induction Motor - Part I: Problem Statement.

Advantages of a Double Three-Phase Winding Layout for a Dual Rotor E-Bike Motor Considering Third Current Harmonic Injection Technique (2020)
Conference Proceeding
Gaetano, D. D., Golovanov, D., Sala, G., Galassini, A., Degano, M., Mahmoud, H., & Gerada, C. (2020). Advantages of a Double Three-Phase Winding Layout for a Dual Rotor E-Bike Motor Considering Third Current Harmonic Injection Technique. In 2020 IEEE Transportation Electrification Conference & Expo (ITEC) (1159-1164). https://doi.org/10.1109/itec48692.2020.9161620

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.

A Homothetic Scaling Criteria for Synchronous Reluctance Machines Design (2020)
Journal Article
Murataliyev, M., Degano, M., Di Nardo, M., Prystupa, D., Shuo, W., Buticchi, G., …Galea, M. (2021). A Homothetic Scaling Criteria for Synchronous Reluctance Machines Design. IEEE Transactions on Energy Conversion, 36(1), 547-559. https://doi.org/10.1109/tec.2020.3011514

This paper proposes a concept for homothetic scaling of Synchronous Reluctance (SynRel) machines with the aim to generate a design for a wide range of power ratings. A generalized modeling approach, based on the saliency ratio, is presented in detail... Read More about A Homothetic Scaling Criteria for Synchronous Reluctance Machines Design.

A Digital Internal Model Current Controller for Salient Machines (2020)
Journal Article
Petric, I. Z., Vukosavic, S. N., DEgano, M., & Galassini, A. (2021). A Digital Internal Model Current Controller for Salient Machines. IEEE Transactions on Industrial Electronics, 68(6), 4703-4717. https://doi.org/10.1109/tie.2020.2988234

The performance of anisotropic electrical machines is strongly dependent on the current loop characteristics. The problems for achieving robustness and fast response, without overshoot and oscillations, are mainly related to different values and beha... Read More about A Digital Internal Model Current Controller for Salient Machines.

A Novel Sizing Approach for Synchronous Reluctance Machines (2020)
Journal Article
Murataliyev, M., Degano, M., & Galea, M. (2021). A Novel Sizing Approach for Synchronous Reluctance Machines. IEEE Transactions on Industrial Electronics, 68(3), 2083-2095. https://doi.org/10.1109/tie.2020.2975461

This paper presents a simple analytical model for the sizing of Synchronous Reluctance (SynRel) machines. The accuracy of the method is achieved by modelling a simple rotor geometry that presents all the characteristics of a real machine. The analyti... Read More about A Novel Sizing Approach for Synchronous Reluctance Machines.

High-Speed Electric Drives: A Step Towards System Design (2020)
Journal Article
Savi, F., Barater, D., Nardo, M. D., Degano, M., Gerada, C., Wheeler, P., & Buticchi, G. (2020). High-Speed Electric Drives: A Step Towards System Design. IEEE Open Journal of the Industrial Electronics Society, 1, 10-21. https://doi.org/10.1109/ojies.2020.2973883

Electric drives applications have been worldwide adopted for the transportation electrification. An electric drive system is constituted by two main components: the power electronics converter and the electrical machine. Traditionally the design work... Read More about High-Speed Electric Drives: A Step Towards System Design.

Speed Ripple Reduction of Direct-Drive PMSM Servo System at Low-Speed Operation Using Virtual Cogging Torque Control Method (2020)
Journal Article
Bu, F., Yang, Z., Gao, Y., Pan, Z., Pu, T., Degano, M., & Gerada, C. (2021). Speed Ripple Reduction of Direct-Drive PMSM Servo System at Low-Speed Operation Using Virtual Cogging Torque Control Method. IEEE Transactions on Industrial Electronics, 68(1), 160-174. https://doi.org/10.1109/tie.2019.2962400

This paper presents a virtual cogging torque (VCT) control method to reduce the speed ripple of direct-drive permanent magnet synchronous machine (DD-PMSM) servo system under low-speed conditions. Compared with other factors, at low speeds, the coggi... Read More about Speed Ripple Reduction of Direct-Drive PMSM Servo System at Low-Speed Operation Using Virtual Cogging Torque Control Method.

SMART: Modular Architecture for Reliable Transportation (2019)
Conference Proceeding
Papadopoulos, S., Galassini, A., Ruksnaitis, L., Farhat, N., Kiselychnyk, O., Midgley, W., & Degano, M. (2019). SMART: Modular Architecture for Reliable Transportation. In IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (7135-7140). https://doi.org/10.1109/IECON.2019.8926931

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.

Advantages of Communication in Double Three-Phase Surface Permanent Magnet Machines Fed by Independent Inverters (2019)
Conference Proceeding
Sala, G., Mengoni, M., Tani, A., Galassini, A., & Degano, M. (2019). Advantages of Communication in Double Three-Phase Surface Permanent Magnet Machines Fed by Independent Inverters. In 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe)https://doi.org/10.23919/EPE.2019.8915155

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.

Optimized Sizing of IPM Machines for Automotive Traction Application (2019)
Conference Proceeding
Valente, G., Gerada, D., Degano, M., Gerada, C., Foulsham, J., & Beeby, D. (2019). Optimized Sizing of IPM Machines for Automotive Traction Application. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (970-975). https://doi.org/10.1109/IEMDC.2019.8785245

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.

A Novel Concept of Ribless Synchronous Reluctance Motor for Enhanced Torque Capability (2019)
Journal Article
Bao, Y., Degano, M., Wang, S., Chuan, L., Xu, Z., Zhang, H., & Gerada, C. (2020). A Novel Concept of Ribless Synchronous Reluctance Motor for Enhanced Torque Capability. IEEE Transactions on Industrial Electronics, 67(4), 2553-2563. https://doi.org/10.1109/tie.2019.2914616

The rotor structure of synchronous reluctance machines (SynRel) is conventionally retained mechanically by iron ribs. In this paper a novel structure for high speed synchronous reluctance rotor is presented. The novelty of this work is the proof of a... Read More about A Novel Concept of Ribless Synchronous Reluctance Motor for Enhanced Torque Capability.

Control Strategy for Five-Phase Dual-Stator Winding Induction Starter/Generator System (2019)
Journal Article
Liu, H., Bu, F., Huang, W., Liu, L., Hu, Y., Degano, M., & Gerada, C. (2020). Control Strategy for Five-Phase Dual-Stator Winding Induction Starter/Generator System. IEEE Transactions on Industrial Electronics, 67(4), 2607-2617 . https://doi.org/10.1109/TIE.2019.2912767

This paper presents an integrated control strategy for a starter/generator (S/G) system based on five-phase dual-stator winding induction machine (FPDWIM). The FPDWIM has a cage-type rotor and two sets of stator windings. One is a five-phase control... Read More about Control Strategy for Five-Phase Dual-Stator Winding Induction Starter/Generator System.

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.

An accurate wide-speed range control method of IPMSM considering resistive voltage drop and magnetic saturation (2019)
Journal Article
Gerada, C., Galassini, A., Degano, M., Kang, J., & Wang, S. (2020). An accurate wide-speed range control method of IPMSM considering resistive voltage drop and magnetic saturation. IEEE Transactions on Industrial Electronics, 67(4), 2630-2641 . https://doi.org/10.1109/TIE.2019.2912766

This paper deals with the high accurate current set-points solution for Interior Permanent-Magnet Synchronous Motors (IPMSM) in wide-speed range applications. Considering voltage and current constraints, the operating regions can be divided into Maxi... Read More about An accurate wide-speed range control method of IPMSM considering resistive voltage drop and magnetic saturation.

Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines (2019)
Conference Proceeding
Sala, G., De Gaetano, D., Degano, M., & Gerada, C. (2019). Asymmetrical Flux Density Distribution in Stator Teeth of Surface Permanent Magnet Machines. In Proceedings - 2019 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (29-33). https://doi.org/10.1109/WEMDCD.2019.8887831

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.

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., …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.

A resolver-to-digital conversion method based on third-order rational fraction polynomial approximation for PMSM control (2018)
Journal Article
Wang, S., Kang, J., Degano, M., & Buticchi, G. (2018). A resolver-to-digital conversion method based on third-order rational fraction polynomial approximation for PMSM control. IEEE Transactions on Industrial Electronics, 66(8), 6383-6392. https://doi.org/10.1109/TIE.2018.2884209

—In this paper, a cost-effective and highly accurate resolver-to-digital conversion (RDC) method is presented. The core of the idea is to apply a third-order rational fraction polynomial approximation (TRFPA) for the conversion of sinusoidal signals... Read More about A resolver-to-digital conversion method based on third-order rational fraction polynomial approximation for PMSM control.

Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization (2018)
Conference Proceeding
Mahmoud, H., Degano, M., Bacco, G., Bianchi, N., & Gerada, C. (2018). Synchronous Reluctance Motor Iron Losses: Analytical Model and Optimization. In 2018 IEEE Energy Conversion Congress and Exposition (ECCE) (1640-1647). https://doi.org/10.1109/ECCE.2018.8558292

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.