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Details of Grant 

EPSRC Reference: GR/A01244/01
Title: AF:HIGH SPEED SELF-BEARING ELECTRICAL DRIVE SYSTEMS
Principal Investigator: Jewell, Professor G
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Electronic and Electrical Engineering
Organisation: University of Sheffield
Scheme: Advanced Fellowship (Pre-FEC)
Starts: 02 October 2000 Ends: 01 October 2005 Value (£): 224,020
EPSRC Research Topic Classifications:
Electric Motor & Drive Systems
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
The proposed research in concerned with an investigation of self bearing electrical drive systems, in which the electrical machine produces both torque to rotate the rotor and radial restoring forces to levitate it, thus eliminating the need for a separate bearing system - either mechanical or magnetic. The research is directed specifically towards brushless permanent magnet self-bearing machines for high performance and high speed applications. A key element is the development, implementation and validation of a drive system model which will entail a detailed consideration of electromagnetic, mechanical and control system aspects. The developed models will underpin comprehensive investigations of the basic nature of self-bearing operation with particular emphasis on identifying the leading system parameters developing design guidelines and establishing the merits of alternative machine topologies within a concurrent engineering approach. The development and implementation of advanced digital control strategies to extract maximum leverage from self-bearing drives is also a major element of the research. The research findings will be embodied in high speed, high power demonstrator systems which will be representative of demanding potential applications for the technology.
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Organisation Website: http://www.shef.ac.uk