All Outputs (169)

PML Effectiveness in the Transmission Line Modelling Method for Radiation and Scattering Applications (2020)
Conference Proceeding
Odeyemi, J., Smartt, C., Vukovic, A., M.Benson, T., M. Benson, T., & Sewell, P. (2020). PML Effectiveness in the Transmission Line Modelling Method for Radiation and Scattering Applications. . https://doi.org/10.23919/EuCAP48036.2020.9135802

This paper demonstrates the effectiveness of the recently introduced, stable, perfectly matched layer (PML) for the Transmission Line Modelling (TLM) method. The superiority of the new PML over the TLM matched boundary is demonstrated by application... Read More about PML Effectiveness in the Transmission Line Modelling Method for Radiation and Scattering Applications.

Developing a measure of online wellbeing and user trust (2020)
Conference Proceeding
Dowthwaite, L., Perez Vallejos, E., Creswick, H., Portillo, V., Patel, M., & Zhao, J. (2020). Developing a measure of online wellbeing and user trust. In Paradigm Shifts in ICT Ethics: Proceedings of the ETHICOMP 2020 18th International Conference on the Ethical and Social Impacts of ICT (26-28)

This paper describes the first stage of the ongoing development of two scales to measure online wellbeing and trust, based on the results of a series of workshops with younger and older adults. The first, the Online Wellbeing Scale includes subscales... Read More about Developing a measure of online wellbeing and user trust.

The Integers as a Higher Inductive Type (2020)
Conference Proceeding
Altenkirch, T., & Scoccola, L. (2020). The Integers as a Higher Inductive Type. In LICS '20: Proceedings of the 35th Annual ACM/IEEE Symposium on Logic in Computer Science (67-73). https://doi.org/10.1145/3373718.3394760

We consider the problem of defining the integers in Homotopy Type Theory (HoTT). We can define the type of integers as signed natural numbers (i.e., using a coproduct), but its induction principle is very inconvenient to work with, since it leads to... Read More about The Integers as a Higher Inductive Type.

5G mm-Wave MIMO Antenna with Beam Switching Capabilities Fabricated Using 3D Printing (2020)
Conference Proceeding
Alkaraki, S., Kelly, J., Gao, Y., Stremsdoerfer, S., & Gayets, E. (2020). 5G mm-Wave MIMO Antenna with Beam Switching Capabilities Fabricated Using 3D Printing. In 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting (1545-1546). https://doi.org/10.1109/IEEECONF35879.2020.9329899

This paper presents a MIMO antenna for 5G mm-wave applications. The proposed MIMO is capable of providing continues beam cover in the elevation for up to ± 30° without using phase shifters. The proposed MIMO is fabricated using 3D printing and it has... Read More about 5G mm-Wave MIMO Antenna with Beam Switching Capabilities Fabricated Using 3D Printing.

Visions, Values, and Videos: Revisiting Envisionings in Service of UbiComp Design for the Home (2020)
Conference Proceeding
Nilsson, T., Fischer, J. E., Crabtree, A., Goulden, M., Spence, J., & Costanza, E. (2020). Visions, Values, and Videos: Revisiting Envisionings in Service of UbiComp Design for the Home. In DIS '20: Proceedings of the 2020 ACM Designing Interactive Systems Conference (827–839). https://doi.org/10.1145/3357236.3395476

UbiComp has been envisioned to bring about a future dominated by calm computing technologies making our everyday lives ever more convenient. Yet the same vision has also attracted criticism for encouraging a solitary and passive lifestyle. The aim of... Read More about Visions, Values, and Videos: Revisiting Envisionings in Service of UbiComp Design for the Home.

VRtefacts: Performative Substitutional Reality with Museum Objects (2020)
Conference Proceeding
Spence, J., Darzentas, D. P., Huang, Y., Cameron, H. R., Beestin, E., & Benford, S. (2020). VRtefacts: Performative Substitutional Reality with Museum Objects. In DIS '20: Proceedings of the 2020 ACM Designing Interactive Systems Conference (627-640). https://doi.org/10.1145/3357236.3395459

We explore how a combination of manipulations and transitions can extend Substitutional Reality to create a highly personal Virtual Reality experience. Our design aimed to meet two challenges faced by museums: the limitations of object handling and t... Read More about VRtefacts: Performative Substitutional Reality with Museum Objects.

Exploring Problem State Transformations to Enhance Hyper-heuristics for the Job-Shop Scheduling Problem (2020)
Conference Proceeding
Garza-Santisteban, F., Amaya, I., Cruz-Duarte, J., Ortiz-Bayliss, J. C., Ozcan, E., & Terashima-Marin, H. (2020). Exploring Problem State Transformations to Enhance Hyper-heuristics for the Job-Shop Scheduling Problem. In 2020 IEEE Congress on Evolutionary Computation (CEC) (1-8). https://doi.org/10.1109/CEC48606.2020.9185709

This study presents an offline learning Simulated Annealing approach to generate a constructive hyper-heuristic evaluated through training and testing on a set of instances for solving the Job-Shop Scheduling problem. The generated hyperheuristic use... Read More about Exploring Problem State Transformations to Enhance Hyper-heuristics for the Job-Shop Scheduling Problem.

A psychological perspective on data processing in cognitive group awareness tools (2020)
Conference Proceeding
Schnaubert, L., Harbarth, L., & Bodemer, D. (2020). A psychological perspective on data processing in cognitive group awareness tools. In M. Gresalfi, & I. Seidel Horn (Eds.), The Interdisciplinarity of the Learning Sciences : 14th International Conference of the Learning Sciences (ICLS) 2020, Volume 2 (951-958)

Cognitive Group Awareness Tools are a means to support collaboration processes by providing learners with knowledge-related information about learning partners or the group. Targeting cognitive rather than behavioral variables allows these tools to g... Read More about A psychological perspective on data processing in cognitive group awareness tools.

User Rights and Adaptive A/IS – From Passive Interaction to Real Empowerment (2020)
Conference Proceeding
Ulgen, O. (2020). User Rights and Adaptive A/IS – From Passive Interaction to Real Empowerment. In R. A. Sottilare, & J. Schwarz (Eds.), Adaptive Instructional Systems: Second International Conference, AIS 2020, Held as Part of the 22nd HCI International Conference, HCII 2020 (205-217). https://doi.org/10.1007/978-3-030-50788-6_15

Adaptive autonomous intelligent systems (A/IS) may satisfy design functionality and user experiential requirements but prior to deployment an assessment must be made of their impact on user rights. A/IS systems may assist rather than replace humans b... Read More about User Rights and Adaptive A/IS – From Passive Interaction to Real Empowerment.

Co-creation of Virtual Reality Re-usable Learning objectives of 360° video scenarios for a Clinical Skills course (2020)
Conference Proceeding
Schiza, E. C., Hadjiaros, M., Matsangidou, M., Frangoudes, F., Neocleous, K., Gkougkoudi, E., …Pattichis, C. S. (2020). Co-creation of Virtual Reality Re-usable Learning objectives of 360° video scenarios for a Clinical Skills course. In 20th IEEE Mediterranean Electrotechnical Conference (IEEE MELECON 2020) (364-367). https://doi.org/10.1109/MELECON48756.2020.9140530

This paper presents a new approach for teaching the clinical skills course by exploiting the potential of a Virtual Reality application utilizing 360° videos with medical content for an undergraduate level course. We discuss the methodology prospects... Read More about Co-creation of Virtual Reality Re-usable Learning objectives of 360° video scenarios for a Clinical Skills course.

Unconventional accelerated thermal ageing test for traction electric motors in vehicles (2020)
Conference Proceeding
Lusuardi, L., Cavallini, A., Madonna, V., Giangrande, P., & Galea, M. (2020). Unconventional accelerated thermal ageing test for traction electric motors in vehicles. In Proceedings of the 2020 IEEE Electrical Insulation Conference (EIC) (212-216). https://doi.org/10.1109/EIC47619.2020.9158744

© 2020 IEEE. Car manufacturers are increasingly working to make the all-electric car a reliable and affordable mobility option for a larger section of the population. However, several issues need to be addressed before achieving this goal. One of the... Read More about Unconventional accelerated thermal ageing test for traction electric motors in vehicles.

Feasibility Design Study of High-Performance, High-Power-Density Propulsion Motor for Middle-Range Electric Aircraft (2020)
Conference Proceeding
Hebala, A., Nuzzo, S., Volpe, G., Connor, P. H., Giangrande, P., Gerada, C., & Galea, M. (2020). Feasibility Design Study of High-Performance, High-Power-Density Propulsion Motor for Middle-Range Electric Aircraft. In 2020 IEEE 29th International Symposium on Industrial Electronics (ISIE) (300-306). https://doi.org/10.1109/ISIE45063.2020.9152551

This paper deals with the design of a high power-density, high efficiency and low torque ripple propulsion motor for electric aircraft. The proposed design procedure resulted in a high-performance propulsion motor intended for a direct-drive solution... Read More about Feasibility Design Study of High-Performance, High-Power-Density Propulsion Motor for Middle-Range Electric Aircraft.

Analysis and Modelling of High Frequency Effects on Synchronous Generator’s Armature Conductors (2020)
Conference Proceeding
Quadri, Q. H., Nuzzo, S., Gerada, C., & Galea, M. (2020). Analysis and Modelling of High Frequency Effects on Synchronous Generator’s Armature Conductors. In 2020 IEEE 29th International Symposium on Industrial Electronics (ISIE) (253-258). https://doi.org/10.1109/ISIE45063.2020.9152456

This paper investigates the accuracy of the subdomain modelling technique for high frequency copper loss calculation in stator windings of synchronous generators. The methodology's accuracy is studied at a slot level up to 10 kHz against FE model wit... Read More about Analysis and Modelling of High Frequency Effects on Synchronous Generator’s Armature Conductors.

Challenges and Future opportunities of Hairpin Technologies (2020)
Conference Proceeding
Arzillo, A., Braglia, P., Nuzzo, S., Barater, D., Franceschini, G., Gerada, D., & Gerada, C. (2020). Challenges and Future opportunities of Hairpin Technologies. . https://doi.org/10.1109/ISIE45063.2020.9152417

Hairpin windings are seeing an ever-increasing application and development in electrical machines designed for high power and torque densities. In fact, due to their inherently high fill factor, they are very attractive in applications, such as trans... Read More about Challenges and Future opportunities of Hairpin Technologies.

RexMoto-A Range Extender Concept for Light Electric Aircraft (2020)
Conference Proceeding
Glassock, R., Madonna, V., Giangrande, P., & Galea, M. (2020). RexMoto-A Range Extender Concept for Light Electric Aircraft. In 2020 IEEE Transportation Electrification Conference & Expo (ITEC) (930-935). https://doi.org/10.1109/ITEC48692.2020.9161496

© 2020 IEEE. A main limitation of fully electric vehicles is their maximum range, which is principally constrained by the performance (i.e. energy density) of energy storage systems. A range extender, coupled to an electric vehicle, is a system able... Read More about RexMoto-A Range Extender Concept for Light Electric Aircraft.

Thermal Lifetime Evaluation of Electrical Machines Using Neural Network (2020)
Conference Proceeding
Turabee, G., Khowja, M. R., Madonna, V., Giangrande, P., Vakil, G., Gerada, C., & Galea, M. (2020). Thermal Lifetime Evaluation of Electrical Machines Using Neural Network. In 2020 IEEE Transportation Electrification Conference & Expo (ITEC) (1153-1158). https://doi.org/10.1109/ITEC48692.2020.9161662

© 2020 IEEE. This paper proposes a surrogate approach which utilises an supervised neural network to significantly shorten the time required for thermal qualification of electrical machines' insulation. The proposed approach is based on a feedforward... Read More about Thermal Lifetime Evaluation of Electrical Machines Using Neural Network.

A Hybrid Computational Tool to Analyze the Performance of Electric Machines with Reduced Content of Permanent Magnet (2020)
Conference Proceeding
Ram Kumar, R. M., Khowja, M. R., Vakil, G., Gerada, D., Gerada, C., Paciura, K., & Fernandes, B. G. (2020). A Hybrid Computational Tool to Analyze the Performance of Electric Machines with Reduced Content of Permanent Magnet. In 2020 IEEE Transportation Electrification Conference & Expo (ITEC) (340-345). https://doi.org/10.1109/itec48692.2020.9161631

Electric vehicles (EVs) are equipped with interior permanent magnet (IPM) or permanent magnet assisted synchronous reluctance (PM-SynRel) machines because of their superior performance in field weakening region. The effect of saturation is more prono... Read More about A Hybrid Computational Tool to Analyze the Performance of Electric Machines with Reduced Content of Permanent Magnet.

Thermal Design of an Integrated Inductor for 45kW Aerospace Starter-Generator (2020)
Conference Proceeding
Rocca, A. L., Khowja, M. R., Vakil, G., Gerada, C., & Wheeler, P. (2020). Thermal Design of an Integrated Inductor for 45kW Aerospace Starter-Generator

This paper presents a combined electromagnetic and thermal design of integrated inductor, for the application of a 45kW aircraft starter-generator. The inductor is designed at high current density by using the apporach ofarea product, followed by the... Read More about Thermal Design of an Integrated Inductor for 45kW Aerospace Starter-Generator.

Reliability oriented design of low voltage electrical machines based on accelerated thermal aging tests (2020)
Conference Proceeding
Giangrande, P., Madonna, V., & Galea, M. (2020). Reliability oriented design of low voltage electrical machines based on accelerated thermal aging tests. In SPEEDAM 2020 – Proceedings: International Symposium on Power Electronics, Electrical Drives and Motion: virtual meeting. https://doi.org/10.1109/SPEEDAM48782.2020.9161974

© 2020 IEEE. In transport applications, electrical machines (EMs) are required to be highly reliable, in order to fulfill the intended mission profile over the expected lifetime. This task has been conventionally addressed through the adoption of saf... Read More about Reliability oriented design of low voltage electrical machines based on accelerated thermal aging tests.

Provably Robust Decisions based on Potentially Malicious Sources of Information (2020)
Conference Proceeding
Muller, T., Wang, D., & Sun, J. (2020). Provably Robust Decisions based on Potentially Malicious Sources of Information. In 2020 IEEE 33rd Computer Security Foundations Symposium (CSF) (411-425). https://doi.org/10.1109/csf49147.2020.00036

Sometimes a security-critical decision must be made using information provided by peers. Think of routing messages, user reports, sensor data, navigational information, blockchain updates. Attackers manifest as peers that strategically report fake in... Read More about Provably Robust Decisions based on Potentially Malicious Sources of Information.