Skip to main content

Research Repository

Advanced Search

All Outputs (92)

Performance Analysis of Complex Vector Discrete Current Controller for High-Speed Permanent Magnet Machines (2022)
Conference Proceeding
Diab, A. M., Aboelhassan, A., Wang, S., Guo, F., Yeoh, S. S., Bozhko, S., …Galea, M. (2022). Performance Analysis of Complex Vector Discrete Current Controller for High-Speed Permanent Magnet Machines. In Proceedings of IEEE 17th Conference on Industrial Electronics and Applications (ICIEA) (590-595). https://doi.org/10.1109/ICIEA54703.2022.10005975

Discrete synchronous reference frame proportional integral Current Controller (CC) delivers superior control performance for high-speed drives due to its ability to accurately compensate for cross-coupling terms. Complete compensation can only be ach... Read More about Performance Analysis of Complex Vector Discrete Current Controller for High-Speed Permanent Magnet Machines.

Glass Fibre Insulated Wire Assessment Under Partial Discharges Activity via Dielectric Dissipation Factor Measurements (2022)
Conference Proceeding
Naderiallaf, H., Giangrande, P., & Galea, M. (2022). Glass Fibre Insulated Wire Assessment Under Partial Discharges Activity via Dielectric Dissipation Factor Measurements. In 2022 9th International Conference on Condition Monitoring and Diagnosis (CMD 2022) (98-102). https://doi.org/10.23919/CMD54214.2022.9991482

This experimental study evaluates the ageing rate associated with partial discharges (PD) activity for a Type-II insulated wire (i.e., Glass fibre), relying on the dielectric dissipation factor (DDF) and capacitance tip-up measurements. The employed... Read More about Glass Fibre Insulated Wire Assessment Under Partial Discharges Activity via Dielectric Dissipation Factor Measurements.

Investigating the Effect of Waveform Characteristics on PDEV, PDIV and RPDIV for Glass Fibre Insulated Wire (2022)
Conference Proceeding
Naderiallaf, H., Giangrande, P., & Galea, M. (2022). Investigating the Effect of Waveform Characteristics on PDEV, PDIV and RPDIV for Glass Fibre Insulated Wire. In 2022 International Conference on Electrical Machines (ICEM 2022) (1327-1333). https://doi.org/10.1109/icem51905.2022.9910752

The trends of partial discharge extinction voltage (PDEV), partial discharge inception voltage (PDIV) and repetitive partial discharge inception voltage (RPDIV) as a function of duty cycle, frequency, and rise time are experimentally investigated in... Read More about Investigating the Effect of Waveform Characteristics on PDEV, PDIV and RPDIV for Glass Fibre Insulated Wire.

On the Fault Tolerance and PM Demagnetisation of a High-Performance Aircraft Propulsion Motor (2022)
Conference Proceeding
Hebala, A., Nuzzo, S., Connor, P. H., Gerada, C., & Galea, M. (2022). On the Fault Tolerance and PM Demagnetisation of a High-Performance Aircraft Propulsion Motor. . https://doi.org/10.1109/icem51905.2022.9910866

In this paper, a study of the fault-tolerance and demagnetisation of a high-performance aircraft propulsion motor is investigated. The motor is proposed with either three or four sets of three-phase windings, while maintaining the same magnetic and t... Read More about On the Fault Tolerance and PM Demagnetisation of a High-Performance Aircraft Propulsion Motor.

Electromechanical Analysis of Low Voltage Faults in a Magnetically Coupled Synchronous Generator Set (2022)
Conference Proceeding
Tweedy, O. R., Akcay, Y., Giangrande, P., Galea, M., & Garvey, S. D. (2022). Electromechanical Analysis of Low Voltage Faults in a Magnetically Coupled Synchronous Generator Set. In 2022 International Conference on Electrical Machines (ICEM 2022) (143-149). https://doi.org/10.1109/icem51905.2022.9910689

This paper investigates the magneto-mechanical performance of a magnetically coupled, engine driven synchronous generator set exposed to a severe low voltage grid fault. A multi-physics model of a generator, coaxial magnetic coupling and diesel engin... Read More about Electromechanical Analysis of Low Voltage Faults in a Magnetically Coupled Synchronous Generator Set.

Experimental considerations on the possible impact of space charge accumulation on partial discharges activity for wire insulations (2022)
Conference Proceeding
Naderiallaf, H., Giangrande, P., & Galea, M. (2022). Experimental considerations on the possible impact of space charge accumulation on partial discharges activity for wire insulations. In 2022 IEEE 4th International Conference on Dielectrics (ICD 2022) (82-85). https://doi.org/10.1109/icd53806.2022.9863223

The impact of space charge accumulation caused by unipolar square waveform excitation on partial discharge inception voltage (PDIV) and partial discharge extinction voltage (PDEV) for one Type-II insulated wire, i.e., Glass fibre and one Type-I insul... Read More about Experimental considerations on the possible impact of space charge accumulation on partial discharges activity for wire insulations.

Design and Development of an Axial Magnetic Coupling for Reliable Aircraft Power Generation (2022)
Conference Proceeding
Akcay, Y., Tweedy, O., Giangrande, P., & Galea, M. (2022). Design and Development of an Axial Magnetic Coupling for Reliable Aircraft Power Generation. In 2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM 2022) (877-882). https://doi.org/10.1109/speedam53979.2022.9842202

This paper introduces an axial magnetic coupling (AMC) that can be employed between the engine and the constant speed drive unit (CSDU) or generator in most commercial aircrafts to transfer torque/speed safely and ensure overload torque protection ca... Read More about Design and Development of an Axial Magnetic Coupling for Reliable Aircraft Power Generation.

Design and Analysis of a Double Coaxial Magnetic Coupling to Improve Torque Density (2021)
Conference Proceeding
Akcay, Y., Tweedy, O., Giangrande, P., & Galea, M. (2021). Design and Analysis of a Double Coaxial Magnetic Coupling to Improve Torque Density. In IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society 13-16 Oct. 2021. https://doi.org/10.1109/iecon48115.2021.9589169

Coaxial magnetic couplings are an attractive alternative to traditional mechanical machine couplings which bring several desirable advantages but are limited by their relatively low torque density and torque to mass ratio. The optimum magnetic design... Read More about Design and Analysis of a Double Coaxial Magnetic Coupling to Improve Torque Density.

Fault Tolerant Control Strategy Based On Model Predictive Control And Unscented Kalman Filter For Permanent Magnet Synchronous Motor (2021)
Conference Proceeding
Aboelhassan, A., El Sayed, W., Hebala, A., Galea, M., & Bozhko, S. (2021). Fault Tolerant Control Strategy Based On Model Predictive Control And Unscented Kalman Filter For Permanent Magnet Synchronous Motor. In 2021 16th IEEE Conference on Industrial Electronics and Applications (ICIEA) (153-159). https://doi.org/10.1109/ICIEA51954.2021.9516257

Permanent Magnet Synchronous Motors (PMSMs) are now extensively used in many critical applications. There is an increasing need for the motor and control system to have fault tolerant capabilities. This paper presents a fault tolerant control strateg... Read More about Fault Tolerant Control Strategy Based On Model Predictive Control And Unscented Kalman Filter For Permanent Magnet Synchronous Motor.

Trade-off Analysis of Energy Storage Systems for Helicopter Landing Gear Electromechanical Actuator (2021)
Conference Proceeding
Lukic, M., Giangrande, P., Klumpner, C., & Galea, M. (2021). Trade-off Analysis of Energy Storage Systems for Helicopter Landing Gear Electromechanical Actuator. . https://doi.org/10.1109/ISIE45552.2021.9576403

The aerospace industry is rapidly changing towards more electric aircraft initiative, trying to alleviate pollution problems and obey the authority bodies' strict rules. Not only should aircraft comply with this initiative but also helicopters (i.e.,... Read More about Trade-off Analysis of Energy Storage Systems for Helicopter Landing Gear Electromechanical Actuator.

Magneto-mechanical Design and Development of a Coaxial Magnetic Coupling with Optimization of Torque to Mass Ratio (2021)
Conference Proceeding
Tweedy, O., Akcay, Y., Giangrande, P., & Galea, M. (2021). Magneto-mechanical Design and Development of a Coaxial Magnetic Coupling with Optimization of Torque to Mass Ratio. . https://doi.org/10.1109/IEMDC47953.2021.9449544

This work covers the design and analysis of a coaxial magnetic coupling with the aim to optimize the torque to mass ratio. Magnetic couplings provide several unique benefits over standard mechanical couplings that are made possible via magnetic torqu... Read More about Magneto-mechanical Design and Development of a Coaxial Magnetic Coupling with Optimization of Torque to Mass Ratio.

Three Tank System Sensors and Actuators Faults Detection Employing Unscented Kalman Filter (2021)
Conference Proceeding
El Sayed, W., Aboelhassan, A., Hebala, A., Buticchi, G., & Galea, M. (2021). Three Tank System Sensors and Actuators Faults Detection Employing Unscented Kalman Filter. In 2021 IEEE 19th International Power Electronics and Motion Control Conference (PEMC) (899-905). https://doi.org/10.1109/pemc48073.2021.9432611

Fault detection is critical for industrial applications to maintain a stable operation and to reduce maintenance costs. Many fault detection techniques have been introduced recently to cope with the increasing demand for more safe operations. One of... Read More about Three Tank System Sensors and Actuators Faults Detection Employing Unscented Kalman Filter.

Analytical modelling of harmonics in an exciterless synchronous generator (2021)
Conference Proceeding
Fallows, D., Nuzzo, S., & Galea, M. (2021). Analytical modelling of harmonics in an exciterless synchronous generator. In 2021 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (28-33). https://doi.org/10.1109/WEMDCD51469.2021.9425658

The replacement of the brushless exciter in the synchronous generator has long been desired as a method to increase power density. There are many topologies available that allow the excitation system of a synchronous generator to be combined with the... Read More about Analytical modelling of harmonics in an exciterless synchronous generator.

Comparative Analysis Between Unscented and Extended Kalman Filters for PMSG Inter-Turn Fault Detection (2021)
Conference Proceeding
El Sayed, W., Aboelhassan, A., Madi, A., Hebala, A., & Galea, M. (2021). Comparative Analysis Between Unscented and Extended Kalman Filters for PMSG Inter-Turn Fault Detection. In 2021 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (243-248). https://doi.org/10.1109/wemdcd51469.2021.9425684

This paper investigates the detection of inter-turn phase faults in Permanent Magnet Synchronous Generators (PMSGs) using the Unscented Kalman Filter (UKF) compared to the Extended Kalman Filter (EKF). PMSGs are subject to several faults such as bear... Read More about Comparative Analysis Between Unscented and Extended Kalman Filters for PMSG Inter-Turn Fault Detection.

Improved Propulsion Motor Design for a Twelve Passenger All-Electric Aircraft (2021)
Conference Proceeding
Hebala, A., Nuzzo, S., Connor, P. H., Giangrande, P., Gerada, C., & Galea, M. (2021). Improved Propulsion Motor Design for a Twelve Passenger All-Electric Aircraft. In 2021 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (343-348). https://doi.org/10.1109/wemdcd51469.2021.9425667

This paper investigates the design of a 12-seater aircraft electric propulsion motor (ProMo). The design procedures aim to improve the performance of a previously designed motor, while adding further restrictions to the electrical and thermal boundar... Read More about Improved Propulsion Motor Design for a Twelve Passenger All-Electric Aircraft.

Development and Testing of Soft Magnetic Rotor for a Switched Reluctance Motor Built Through Additive Manufacturing Technology (2020)
Conference Proceeding
Gargalis, L., Madonna, V., Giangrande, P., Rocca, R., Ashcroft, I., Hague, R., & Galea, M. (2020). Development and Testing of Soft Magnetic Rotor for a Switched Reluctance Motor Built Through Additive Manufacturing Technology. In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS) (263-268). https://doi.org/10.23919/icems50442.2020.9290893

Additive manufacturing, commonly known as 3D printing, is an emerging technology that is gaining considerable research interest in recent years. In particular, metal printing methodologies might be successfully employed in developing lightweight and... Read More about Development and Testing of Soft Magnetic Rotor for a Switched Reluctance Motor Built Through Additive Manufacturing Technology.

Investigating Electrical Drive Performance Employing Model Predictive Control and Active Disturbance Rejection Control Algorithms (2020)
Conference Proceeding
Aboelhassan, A., Diab, A. M., Galea, M., & Bozhko, S. (2020). Investigating Electrical Drive Performance Employing Model Predictive Control and Active Disturbance Rejection Control Algorithms. In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS) (1379-1384). https://doi.org/10.23919/ICEMS50442.2020.9291218

© 2020 The Institute of Electrical Engineers of Japan. Many issues can degrade the electrical drive performance such as cross-coupling, time delay, external disturbances, and parameter variation. The Synchronous Reference Frame (SRF) PI Current Contr... Read More about Investigating Electrical Drive Performance Employing Model Predictive Control and Active Disturbance Rejection Control Algorithms.

3D Printing as a Technology Enabler for Electrical Machines: Manufacturing and Testing of a Salient Pole Rotor for SRM (2020)
Conference Proceeding
Gargalis, L., Madonna, V., Giangrande, P., Hardy, M., Ashcroft, I., Galea, M., & Hague, R. (2020). 3D Printing as a Technology Enabler for Electrical Machines: Manufacturing and Testing of a Salient Pole Rotor for SRM. In 2020 International Conference on Electrical Machines (ICEM) (12-18). https://doi.org/10.1109/icem49940.2020.9270737

Among the various technology enablers for modern electrical machines, additive manufacturing plays a key role. The advantage of having a precise control of the shape of ferromagnetic structures, whilst achieving good electromagnetic performance, fits... Read More about 3D Printing as a Technology Enabler for Electrical Machines: Manufacturing and Testing of a Salient Pole Rotor for SRM.

On the Capability of Heat Dissipation in Thermally Aged Electrical Machines (2020)
Conference Proceeding
Madonna, V., Giangrande, P., & Galea, M. (2020). On the Capability of Heat Dissipation in Thermally Aged Electrical Machines. In 2020 International Conference on Electrical Machines (ICEM) (954-960). https://doi.org/10.1109/icem49940.2020.9270744

Thermal aging is one of the main causes of progressive deterioration of the insulation system in electrical machines. This because the thermo-physical properties of dielectric materials can undergo severe changes when exposed to high temperature. Acc... Read More about On the Capability of Heat Dissipation in Thermally Aged Electrical Machines.

Novel Parameter Identification Method for Lithium-Ion Batteries Based on Curve Fitting (2020)
Conference Proceeding
Lukic, M., Giangrande, P., Klumpner, C., & Galea, M. (2020). Novel Parameter Identification Method for Lithium-Ion Batteries Based on Curve Fitting. In 2020 IEEE Vehicle Power and Propulsion Conference (VPPC). https://doi.org/10.1109/vppc49601.2020.9330955

This paper describes a new curve-fitting lithium-ion battery parameter identification method for equivalent circuit models. The current pulse/relaxation test is carried out and the corresponding terminal voltage is used for extracting the battery mod... Read More about Novel Parameter Identification Method for Lithium-Ion Batteries Based on Curve Fitting.