All Outputs (23)

Comparison of Frequency Transform Methods for Condition Monitoring of a DC-Link Capacitor (2021)
Presentation / Conference Contribution
Raqib, A., Jahanger, H., Sumner, M., Cox, T., Klumpner, C., Agha, I., …Lonsdale, P. (2021). Comparison of Frequency Transform Methods for Condition Monitoring of a DC-Link Capacitor. In 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) (621 – 626). https://doi.org/10.1049/icp.2021.1169

Electrolytic capacitors continue to be used for the DC-link in motor drive systems due to their high specific capacitance. The degradation of electrolytic capacitors can lead to increased equivalent series resistances (ESR) and reduction in capacitan... Read More about Comparison of Frequency Transform Methods for Condition Monitoring of a DC-Link Capacitor.

Torque Quality Improvement of an Open-End Winding PMSM (2018)
Presentation / Conference Contribution
Hunter, N., Cox, T., Zanchetta, P., Odhano, S. A., & Rovere, L. (2018). Torque Quality Improvement of an Open-End Winding PMSM. In 2018 IEEE Energy Conversion Congress and Exposition (ECCE) (4254-4261). https://doi.org/10.1109/ECCE.2018.8558051

This paper proposes a new closed-loop control strategy which improves the quality of the torque output of an open-end winding (OEW) permanent magnet synchronous motor (PMSM) with common DC bus. Such a configuration provides a path for the zero sequen... Read More about Torque Quality Improvement of an Open-End Winding PMSM.

Non-Intrusive Online Stator Temperature Estimation for Open-End Winding PMSM (2018)
Presentation / Conference Contribution
Hunter, N., Cox, T., Zanchetta, P., Odhano, S. A., & Rovere, L. (2018). Non-Intrusive Online Stator Temperature Estimation for Open-End Winding PMSM. In 2018 IEEE Energy Conversion Congress and Exposition (ECCE) (6845-6851). https://doi.org/10.1109/ECCE.2018.8558475

This paper proposes a new method for online identification of stator winding temperature for an open-end winding (OEW) permanent magnet synchronous motor (PMSM). The method exploits the zero sequence current (ZSC) due to the third harmonic back elect... Read More about Non-Intrusive Online Stator Temperature Estimation for Open-End Winding PMSM.

Mass Production Costing of Induction Machines for Automotive Applications (2018)
Presentation / Conference Contribution
Hundak, V., Cox, T., Vakil, G., & Gerada, C. (2018). Mass Production Costing of Induction Machines for Automotive Applications. In 2018 IEEE Transportation and Electrification Conference and Expo (ITEC) (500-505). https://doi.org/10.1109/ITEC.2018.8450116

Cost is one of the key parameters of electric machines designed for automotive applications. In order to keep manufacturing cost low, it is desirable to estimate the manufacturing cost of the machine in the early stages of the design process. For thi... Read More about Mass Production Costing of Induction Machines for Automotive Applications.

Design of a 43kW switched reluctance machine for a high performance hybrid electric vehicle (2018)
Presentation / Conference Contribution
Talha, A., Vakil, G., Cox, T., & Gerada, C. (2018). Design of a 43kW switched reluctance machine for a high performance hybrid electric vehicle. In NA

A switched reluctance machine (SRM) is very robust and capable to perform well under harsh conditions. It is simple in construction and avoids the use of magnets so it is cheap to manufacture. The powertrain of a hybrid vehicle presents challenging c... Read More about Design of a 43kW switched reluctance machine for a high performance hybrid electric vehicle.

Power quality improvement of synchronous generators using an active power filter (2018)
Journal Article
Abu-Jalala, A., Cox, T., Gerada, C., Rashed, M., Hamiti, T., & Brown, N. (2018). Power quality improvement of synchronous generators using an active power filter. IEEE Transactions on Industry Applications, 54(5), 4080-4090. https://doi.org/10.1109/TIA.2018.2828789

Active power filters (APF) are used to improve power quality and are commonly connected in parallel with the load at the point of common coupling (PCC). They are used to compensate for harmonics from nonlinear loads, for reactive power compensation a... Read More about Power quality improvement of synchronous generators using an active power filter.

Performance improvement of simplified synchronous generators using an active power filter (2017)
Presentation / Conference Contribution
Abu-Jalala, A.-H., Cox, T., Gerada, C., & Rashed, M. (2017). Performance improvement of simplified synchronous generators using an active power filter.

Active power filters (APF) are used to improve power quality and are commonly connected in parallel with the load at the point of common coupling (PCC). They are used to compensate for harmonics from nonlinear loads, for reactive power compensation a... Read More about Performance improvement of simplified synchronous generators using an active power filter.

Improving magnetic gear overload torque with cage rotor bars (2017)
Presentation / Conference Contribution
Ackay, Y., Cox, T., & Costabeber, A. (2017). Improving magnetic gear overload torque with cage rotor bars. In 2017 20th International Conference on Electrical Machines and Systems (ICEMS) (1-5). https://doi.org/10.1109/ICEMS.2017.8056295

This paper introduces a coaxial magnetic gearbox with a new high-speed rotor configuration. The proposed configuration optimizes magnet volume and employs cage rotor bars in the high-speed rotor. The resulting proposed gear improves torque performanc... Read More about Improving magnetic gear overload torque with cage rotor bars.

A new method for determining the magnetic properties of solid materials employed in unconventional magnetic circuits (2017)
Journal Article
Mohammed, A., Cox, T., Galea, M., & Gerada, C. (in press). A new method for determining the magnetic properties of solid materials employed in unconventional magnetic circuits. IEEE Transactions on Industrial Electronics, https://doi.org/10.1109/TIE.2016.2587859

The mechanical and thermal properties of common, solid (non-laminated) ferromagnetic materials are widely available, but the electro-magnetic characteristics of such solid materials are often undefined. Existing characterization procedures such as th... Read More about A new method for determining the magnetic properties of solid materials employed in unconventional magnetic circuits.

Enhancing electromagnetic launch capability: design of a small launch system for large UAVs (2017)
Presentation / Conference Contribution
Cox, T., Yang, T., & Gerada, C. (2017). Enhancing electromagnetic launch capability: design of a small launch system for large UAVs.

Unmanned Aerial Vehicles (UAVs) play a critical and increasing role in modern combat, giving significantly enhanced surveillance, communication and strike capabilities. There are currently a large range of UAV’s available, but in general the more cap... Read More about Enhancing electromagnetic launch capability: design of a small launch system for large UAVs.

Thermal Design of Linear Induction and Synchronous Motors for Electromagnetic Launch of Civil Aircraft (2017)
Journal Article
Bertola, L., Cox, T., Wheeler, P., Garvey, S. D., & Morvan, H. (2017). Thermal Design of Linear Induction and Synchronous Motors for Electromagnetic Launch of Civil Aircraft. IEEE Transactions on Plasma Science, 45(7), 1146-1153. https://doi.org/10.1109/TPS.2017.2697941

The engine size of modern passenger transport aircraft is principally determined by take-off conditions, since initial acceleration requires maximum engine power. An elec¬tromagnetic launch (EML) system could provide some or all of the energy require... Read More about Thermal Design of Linear Induction and Synchronous Motors for Electromagnetic Launch of Civil Aircraft.

Factors related to medical students’ and doctors’ attitudes towards older patients: a systematic review (2017)
Journal Article
Samra, R., Cox, T., Gordon, A. L., Conroy, S., Lucassen, M., & Griffiths, A. (2017). Factors related to medical students’ and doctors’ attitudes towards older patients: a systematic review. Age and Ageing, 46(6), https://doi.org/10.1093/ageing/afx058

Background: Studies have sought to identify the possible determinants of medical students’ and doctors’ attitudes towards older patients by examining relationships with a variety of demographic, educational/training, and job factors. This review coll... Read More about Factors related to medical students’ and doctors’ attitudes towards older patients: a systematic review.

Reducing weight and fuel consumption of civil aircraft by electromagnetic launch (2017)
Presentation / Conference Contribution
Bertola, L., Cox, T., Wheeler, P., Polenta, V., Garvey, S. D., & Morvan, H. (2017). Reducing weight and fuel consumption of civil aircraft by electromagnetic launch.

Electromagnetic launch systems have been proposed for military applications to accelerate jet planes on aircraft carriers. This paper proposes the implementation of similar technology to aid civil aircraft take-off, which can provide significant econ... Read More about Reducing weight and fuel consumption of civil aircraft by electromagnetic launch.

Vehicular suspension and propulsion using double sided linear induction machines (2016)
Presentation / Conference Contribution
Cox, T., Eastham, F., & Dickinson, M. (2016). Vehicular suspension and propulsion using double sided linear induction machines. In 2016 IEEE Energy Conversion Congress and Exposition (ECCE) (1-7). https://doi.org/10.1109/ECCE.2016.7855554

This paper presents a new method of combined electromagnetic levitation and propulsion using a double sided pair of linear induction machines and a simple conductive sheet secondary. If the supply phase angle of one primary is modified with respect t... Read More about Vehicular suspension and propulsion using double sided linear induction machines.

History and recent advancements of electric propulsion and integrated electrical power systems for commercial & naval vessels (2016)
Presentation / Conference Contribution
Yang, T., Cox, T., Degano, M., Bozhko, S., & Gerada, C. (2016). History and recent advancements of electric propulsion and integrated electrical power systems for commercial & naval vessels.

Due to developments in power electronics, electric machines, energy storage and control, electric propulsion and integrated electrical power systems have become major trends for commercial and naval vessels. This is mainly due to the fact that the us... Read More about History and recent advancements of electric propulsion and integrated electrical power systems for commercial & naval vessels.

Design study and scaled experiment of induction and synchronous motor for civil application of electromagnetic aircraft launch system (2016)
Presentation / Conference Contribution
Bertola, L., Cox, T., Wheeler, P., Garvey, S. D., & Morvan, H. (2016). Design study and scaled experiment of induction and synchronous motor for civil application of electromagnetic aircraft launch system.

The engine size of modern passenger transport aircraft is principally determined by take-off conditions, since initial acceleration requires maximum engine power. An Electromagnetic Launch (EML) system could provide some or all of the energy required... Read More about Design study and scaled experiment of induction and synchronous motor for civil application of electromagnetic aircraft launch system.

Superconducting electromagnetic launch system for civil aircraft (2016)
Journal Article
Bertola, L., Cox, T., Wheeler, P., Garvey, S. D., & Morvan, H. (2016). Superconducting electromagnetic launch system for civil aircraft. IEEE Transactions on Applied Superconductivity, 26(8), https://doi.org/10.1109/TASC.2016.2598772

This paper considers the feasibility of different superconducting technologies for electromagnetic launch (EML) to assist civil aircraft take-off. EML has the potential of reducing the required runway length by increasing aircraft acceleration. Expen... Read More about Superconducting electromagnetic launch system for civil aircraft.

Electromagnetic launch systems for civil aircraft assisted take-off (2015)
Journal Article
Bertola, L., Cox, T., Wheeler, P., Garvey, S. D., & Morvan, H. (2015). Electromagnetic launch systems for civil aircraft assisted take-off. Archives of Electrical Engineering, 64(4), https://doi.org/10.1515/aee-2015-0039

This paper considers the feasibility of different technologies for an electromagnetic launcher to assist civil aircraft take-off. This method is investigated to reduce the power required from the engines during initial acceleration. Assisted launch h... Read More about Electromagnetic launch systems for civil aircraft assisted take-off.

Work-related stress case definitions and prevalence rates in national surveys (2010)
Journal Article
Houdmont, J., Cox, T., & Griffiths, A. (2010). Work-related stress case definitions and prevalence rates in national surveys. Occupational Medicine, 60(8), https://doi.org/10.1093/occmed/kqq138

Background: There is concern about lack of consistency in the design of case definitions used to measure work-related stress in national workforce surveys and the implications of this for the reliability and validity of prevalence estimates as well a... Read More about Work-related stress case definitions and prevalence rates in national surveys.

Organisational justice and smoking: the Finnish Public Sector Study (2007)
Journal Article
Kouvonen, A., Vahtera, J., Elovainio, M., Cox, S. J., Cox, T., Linna, A., …Kivimaki, M. (2007). Organisational justice and smoking: the Finnish Public Sector Study

Study Objective: To examine the extent to which justice of decision-making procedures and interpersonal relations is associated with smoking. Setting: Ten municipalities and 21 hospitals in Finland. Design and Participants: Cross-sectional data der... Read More about Organisational justice and smoking: the Finnish Public Sector Study.