Professor Kais Atallah
PhD, Ingenieur D'Etat
School of Electrical and Electronic Engineering
Professor in Electrical Engineering
Full contact details
School of Electrical and Electronic Engineering
Sir Frederick Mappin Building
Mappin Street
Sheffield
S1 3JD
- Profile
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I joined the University of Sheffield as a PhD student in October 1989, and after a stint as a post-doctoral researcher at the department, I became a member of academic staff in January 2000.
My research interests have been concerned with the modelling and design of conventional and novel electromechanical energy conversion devices and magnetic torque/force transmission systems, for many applications, including electric and hybrid vehicles, aerospace actuation systems and renewable energy systems.
More specifically, my research into renewable energy generation, includes novel drivetrains for flywheel systems and wind turbines and the design and analysis of direct-drive and magnetically geared generators.
For electric/ hybrid vehicles, my research includes novel rare-earth free traction machines, and modelling and analysis of the interactions between the electrical and mechanical components in electric/ hybrid vehicles drivetrains.
For the aerospace sector, my research is concerned with fault tolerant machine and drive systems and the application of novel magnetic transmission devices in order to minimise the risk of jamming in flight control surface electromechanical actuation systems.
- Research interests
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- Magnetic transmission systems
- Magnetic gears and pseudo direct drive electrical machines
- Novel permanent magnet machines
- Interactions between electrical and mechanical components in electromechanical drive-trains
- Electrical generators and drive-trains for wind turbines
- Integrated drive-trains for electric and hybrid vehicles
- Novel actuation topologies for the more electric aircraft
- Flywheel energy storage systems
- Publications
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Journal articles
- Winding configurations and performance of heteropolar electrodynamic magnetic bearings. IET Electric Power Applications, 19(1). View this article in WRRO
- Design, Analysis and Experimental Evaluation of a Novel High-Speed High-Power Ferrite IPM Machine for Traction Applications. IEEE Transactions on Industry Applications, 60(4), 5998-6009.
- Laparoscopic Versus Open Radical Nephrectomy for Renal Cell Carcinoma: A Retrospective Study. Indian Journal of Surgical Oncology.
Book chapters
- The Benefits of Duffing-type Nonlinearities and Electrical Optimisation of a Randomly Excited Energy Harvester, Topics in Modal Analysis II, Volume 6 (pp. 657-667). River Publishers
Conference proceedings
- Integrity of power electronic components on a rotating PCB. Proceedings of the International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM Europe 2025). Nuremberg, Germany, 6 May 2025 - 6 May 2025. View this article in WRRO
- Electrodynamic Magnetic Bearings for Flywheel Energy Storage System. 2024 Conference on Renewable Energy Technologies and Modern Communications Systems: Future and Challenges (pp 1-6), 11 December 2024 - 12 December 2024.
- Mass-specific thermal optimization of a heat sink for rotating 80kW SiC dual inverter exposed to extreme conditions. 2023 IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific). Chiang Mai, Thailand, 28 November 2023 - 28 November 2023. View this article in WRRO
- PCB busbar optimization for distributed DC link capacitors and parallel discrete SiC MOSFETs. 2023 IEEE Energy Conversion Congress and Exposition (ECCE) (pp 6553-6555). Nashville, TN, USA, 29 October 2023 - 29 October 2023. View this article in WRRO
- Concept design and optimization methodology of a wound field synchronous motor for commercial vehicle applications. 2023 IEEE Energy Conversion Congress and Exposition (ECCE) (pp 4330-4337), 29 October 2023 - 2 November 2023.
- Comprehensive analysis and design optimization of the Dual Active Bridge DC-DC converter with finite magnetizing inductance. 2023 IEEE Applied Power Electronics Conference and Exposition (APEC) (pp 2661-2667). Orlando, FL, USA, 19 March 2023 - 19 March 2023. View this article in WRRO
- Analytical modelling of SiC MOSFET based on datasheet parameters considering the dynamic transfer characteristics and channel resistance dependency on the drain voltage. 2023 IEEE Applied Power Electronics Conference and Exposition (APEC) (pp 90-95). Orlando, FL, USA, 19 March 2023 - 19 March 2023. View this article in WRRO
Preprints
- Novel Flywheel Energy Storage System, Elsevier BV.
- Winding configurations and performance of heteropolar electrodynamic magnetic bearings. IET Electric Power Applications, 19(1). View this article in WRRO