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Effects of unbalanced magnetic pull in spindle motors

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3 Author(s)
Bi, C. ; Data Storage Inst., Nat. Univ. of Singapore, Singapore ; Liu, Z.J. ; Low, T.S.

This paper analyzes the effects of the unbalanced-magnetic-pull developed in spindle motors for hard disk drives. An analytical technique is used in the investigation which is based on magnetic circuit and field theory. Computational results show that the UMP development is closely related to the magnetic structure, armature winding and armature current of the spindle motors

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Magnetics, IEEE Transactions on  (Volume:33 ,  Issue: 5 )