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A Framework for Optimization of Hybrid Aircraft (2019)
Conference Proceeding
Zhao, X., Sahoo, S., Kyprianidis, K., Sumsurooah, S., Valente, G., Rashed, M., …Ekstedt, E. (2019). A Framework for Optimization of Hybrid Aircraft. In Proceedings of the ASME Turbo Expo : Turbomachinery Technical Conference and Exposition--2019-- : presented at The ASME Turbo Expo 2019 : Turbiomachinery Technical Conference and Exposition, June 17-21, 2019, Phoenix, Arizona, USA. Book 3. https://doi.org/10.1115/GT2019-91335

To achieve the goals of substantial improvements in efficiency and emissions set by Flightpath 2050, fundamentally different concepts are required. As one of the most promising solutions, electrification of the aircraft primary propulsion is currentl... Read More about A Framework for Optimization of Hybrid Aircraft.

Control Techniques for a Single-Phase Matrix Converter (2019)
Conference Proceeding
Rojas, S., Rivera, M., & Wheeler, P. (2019). Control Techniques for a Single-Phase Matrix Converter. In IEEE Chilean Conference on Electrical, Electronics Engineering, Information and Communication Technologies. https://doi.org/10.1109/CHILECON47746.2019.8988074

The direct single-phase matrix converter (SPMC) is a topology composed only of switches. This feature makes it extremely important to have complete control of the six bidirectional switches that make up it. This is why this article presents a compari... Read More about Control Techniques for a Single-Phase Matrix Converter.

On the Thermal Insulation Qualification of Low Voltage Electrical Machines (2019)
Conference Proceeding
Madonna, V., Giangrande, P., Migliazza, G., Buticchi, G., & Galea, M. (2019). On the Thermal Insulation Qualification of Low Voltage Electrical Machines. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (7115-7120). https://doi.org/10.1109/IECON.2019.8927464

Electrical motors are required to perform reliably for a certain number of hours/cycles. Assuming the insulation breakdown as the predominant source of failure, then the lifetime of an electrical machine can generally be said to correspond to that of... Read More about On the Thermal Insulation Qualification of Low Voltage Electrical Machines.

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.

Multi-physics Design Optimisation of PM-assisted Synchronous Reluctance Motor for Traction Application (2019)
Conference Proceeding
Al-Ani, M., Walker, A., Vakil, G., Ramanathan, R., Zou, T., La Rocca, S., …McQueen, A. (2019). Multi-physics Design Optimisation of PM-assisted Synchronous Reluctance Motor for Traction Application. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (4353-4359). https://doi.org/10.1109/IECON.2019.8926697

Recently, the synchronous reluctance machine limits have been pushed toward meeting the requirements of traction applications. A skilled electromagnetic architecture of a synchronous reluctance machine with the help of permanent magnets can push the... Read More about Multi-physics Design Optimisation of PM-assisted Synchronous Reluctance Motor for Traction Application.

An Improved Automatic Voltage Regulator for Self-Excited, Small-to-Medium Power Generating Sets equipped with Brushless Excitation Systems (2019)
Conference Proceeding
Nuzzo, S., Bolognesi, P., Galea, M., & Barater, D. (2019). An Improved Automatic Voltage Regulator for Self-Excited, Small-to-Medium Power Generating Sets equipped with Brushless Excitation Systems. In IECON 2019 Proceedings - 45th Annual Conference of the IEEE Industrial Electronics Society (904-909). https://doi.org/10.1109/IECON.2019.8927675

The classical, wound-field, synchronous generator is currently enjoying a revamped interest in its design and development, partly due to the ever-increasing requirements in terms of power quality standards, efficiency and power density and partly due... Read More about An Improved Automatic Voltage Regulator for Self-Excited, Small-to-Medium Power Generating Sets equipped with Brushless Excitation Systems.

Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System (2019)
Conference Proceeding
Khowja, M. R., Vakil, G., Gerada, C., Yang, T., Bozhko, S., & Wheeler, P. (2019). Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (1435-1440). https://doi.org/10.1109/IECON.2019.8926961

Mechanically-driven actuators, compressors and pumps are being replaced by the aircraft manufacturers that shift the trend towards 'More Electric Aircraft' and hence reducing the mechanical linkages within the aircraft system. This elevates the depen... Read More about Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System.

Fast and Accurate Multi-Physics Model for Optimization-based Design of VSBBC (2019)
Conference Proceeding
Cheong, B., Giangrande, P., Zhang, X., Galea, M., Zanchetta, P., & Wheeler, P. (2019). Fast and Accurate Multi-Physics Model for Optimization-based Design of VSBBC. In IECON Proceedings 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (1762-1767). https://doi.org/10.1109/IECON.2019.8927694

The development and validation of an advanced two-level Voltage Source Back-to-Back Converter model, considering its multi-physics operation, is presented in this paper. Based on a set of input parameters, the proposed model evaluates the converter i... Read More about Fast and Accurate Multi-Physics Model for Optimization-based Design of VSBBC.

Clinical Scene Segmentation with Tiny Datasets (2019)
Conference Proceeding
Smith, T. J., Sharkey, D., Crowe, J., & Valstar, M. (2019). Clinical Scene Segmentation with Tiny Datasets. In 2019 IEEE/CVF International Conference on Computer Vision Workshop (ICCVW) (1637-1645). https://doi.org/10.1109/ICCVW.2019.00203

Many clinical procedures could benefit from automatic scene segmentation and subsequent action recognition. Using Convolutional Neural Networks to semantically segment meaningful parts of an image or video is still an unsolved problem. This becomes e... Read More about Clinical Scene Segmentation with Tiny Datasets.

Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit (2019)
Conference Proceeding
Adhikari, J., Yang, T., Bozhko, S., & Wheeler, P. (2019). Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (2628-2633). https://doi.org/10.1109/IECON.2019.8926717

This paper explores the possibility of a semiconductor-based over-current bypass circuit for high current solid-state power controllers (SSPCs). Therefore, two different topologies of the bidirectional DC SSPCs: a. without over-current bypass circuit... Read More about Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit.

Design-of-Experiments Analysis of Li-Ion Cell Capacity Fading in High Temperature Automotive Conditions (2019)
Conference Proceeding
Stocker, R., Mumtaz, A., & Lophitis, N. (2019). Design-of-Experiments Analysis of Li-Ion Cell Capacity Fading in High Temperature Automotive Conditions. In 2019 Electric Vehicles International Conference (EV) (1-6). https://doi.org/10.1109/EV.2019.8893026

This paper examines the evolution of performance degradation through capacity fade in Li-ion cells when subjected to 8 months of automotive drive cycles in high temperature conditions. This is done by combining a temperature controlled, highly transi... Read More about Design-of-Experiments Analysis of Li-Ion Cell Capacity Fading in High Temperature Automotive Conditions.

Numerical study of the impact of different cooling arrangements on a high length/diameter ratio motor for electric commercial vehicle (2019)
Conference Proceeding
La Rocca, S., La Rocca, A., Walker, A., Vakil, G., Gerada, D., Al-Ani, M., …Paciura, K. (2019). Numerical study of the impact of different cooling arrangements on a high length/diameter ratio motor for electric commercial vehicle. In Proceedings: 2019 International Conference on Electrotechnical Complexes and Systems (ICOECS) (1-5). https://doi.org/10.1109/ICOECS46375.2019.8949929

Computational Fluid Dynamics (CFD) was used to carry out a fluid flow and thermal investigation of a high power dense traction machine for electric commercial vehicle. One of the features of the machine design considered is the high Length/Diameter (... Read More about Numerical study of the impact of different cooling arrangements on a high length/diameter ratio motor for electric commercial vehicle.

Piecewise Modelling Approach for Specific Switched Reluctance Machines (2019)
Conference Proceeding
Velmurugan, G., Yeoh, S. S., Yang, T., & Bozhko, S. (2019). Piecewise Modelling Approach for Specific Switched Reluctance Machines. In 2019 International Conference on Electrotechnical Complexes and Systems (ICOECS) (1-4). https://doi.org/10.1109/icoecs46375.2019.8949974

Switched Reluctance Machine (SRM) is a very basic and simple electrical machine in structure with winding only at its stator. SRM has widely been considered for possible usages in modern aircrafts through the development of More Electric Aircraft (ME... Read More about Piecewise Modelling Approach for Specific Switched Reluctance Machines.

Surrogate Thermal Model for Power Electronic Modules using Artificial Neural Network (2019)
Conference Proceeding
Xu, Z., Gao, Y., Wang, X., Tao, X., & Xu, Q. (2019). Surrogate Thermal Model for Power Electronic Modules using Artificial Neural Network. In IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society. https://doi.org/10.1109/IECON.2019.8927494

Virtual prototyping of power electronic modules aims to allow rapid evaluation of potential designs without building and testing physical prototypes. Among the interests in thermal models of the virtual modules, process of compact thermal models need... Read More about Surrogate Thermal Model for Power Electronic Modules using Artificial Neural Network.

High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles (2019)
Conference Proceeding
Kumar, R. M. R., Zou, T., La Rocca, A., Vakil, G., Gerada, D., Walker, A., …Fernandes, B. G. (2019). High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles. In IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (1083-1088). https://doi.org/10.1109/IECON.2019.8927523

High power density and high torque density are the fundamental requirements for electric machines used in traction application. The former is obtained by potentially increasing the speed of the machine while the latter by using high energy density ra... Read More about High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles.

Bayesian damage characterization based on probabilistic model of scattering coefficients and hybrid wave finite element model scheme (2019)
Conference Proceeding
Yan, W., Chronopoulos, D., Papadimitriou, C., Cantero-Chinchilla, S., & Zhu, G. (2019). Bayesian damage characterization based on probabilistic model of scattering coefficients and hybrid wave finite element model scheme. In COMPDYN 2019 : Proceedings of the 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering. Volume 2 (2952-2958)

Ultrasonic Guided Wave(GW) has been proven to be sensitive to small damage. Motivated by the fact that the quantitative relationship between wave scattering and damage intensity can be described by scattering properties, this study aims at proposing... Read More about Bayesian damage characterization based on probabilistic model of scattering coefficients and hybrid wave finite element model scheme.

Analytical Tool to Generate Torque-Speed Characteristics for Surface Mounted PM Machines in Constant Torque and Field Weakening Regions (2019)
Conference Proceeding
Khowja, M. R., Vakil, G., & Gerada, C. (2019). Analytical Tool to Generate Torque-Speed Characteristics for Surface Mounted PM Machines in Constant Torque and Field Weakening Regions. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (922-927). https://doi.org/10.1109/IECON.2019.8927436

This paper presents an analytical tool to generate torque vs speed characteristics of the surface-mounted permanent magnet machines to minimize the computation time and efforts. The paper also derives an expression of d-axis current in the field weak... Read More about Analytical Tool to Generate Torque-Speed Characteristics for Surface Mounted PM Machines in Constant Torque and Field Weakening Regions.

Transfer Function Based Input Impedance Determination of Triple Active Bridge Converter (2019)
Conference Proceeding
Yang, J., Buticchi, G., Gu, C., Günter, S., Yan, H., & Wheeler, P. (2019). Transfer Function Based Input Impedance Determination of Triple Active Bridge Converter. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (4917-4923). https://doi.org/10.1109/IECON.2019.8926943

The concept of multiport dc-dc converter was proposed to reduce the conversion stages of dc microgrid on more electric aircraft (MEA). The structure of multiport dc-dc converter is basically developed from the dual active bridge (DAB) converter becau... Read More about Transfer Function Based Input Impedance Determination of Triple Active Bridge Converter.

An Intelligent Toolkit for Benchmarking Data-Driven Aerospace Prognostics (2019)
Conference Proceeding
Rengasamy, D., Mase, J. M., Rothwell, B., & Figueredo, G. P. (2019). An Intelligent Toolkit for Benchmarking Data-Driven Aerospace Prognostics. In 2019 IEEE Intelligent Transportation Systems Conference (ITSC) (4210-4215). https://doi.org/10.1109/ITSC.2019.8917115

© 2019 IEEE. Machine Learning (ML) has been largely employed to sensor data for predicting the Remaining Useful Life (RUL) of aircraft components with promising results. A review of the literature, however, has revealed a lack of consensus regarding... Read More about An Intelligent Toolkit for Benchmarking Data-Driven Aerospace Prognostics.