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Rotor resonances of high-speed permanent-magnet brushless machines \ud

By J.D. Ede, Z.Q. Zhu and D. Howe

Abstract

For high-speed machines, in particular, it is very important to accurately predict natural frequencies of the rotor at the design stage so as to minimize the likelihood of failure. Finite-element analysis and experimental measurements are used to establish the natural frequencies and modes of the rotor of a high-speed permanent-magnet brushless motor, and to assess the influence of leading design parameters, such as the active length, the shaft diameter and extension, the bearings, and the material properties. \ud \u

Year: 2002
OAI identifier: oai:eprints.whiterose.ac.uk:870

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