IEEE - Institute of Electrical and Electronics Engineers, Inc. - Back-EMF ZCP Error Induced by Electromagnetic Structure of Spindle Motor

Author(s): C. Bi ; N. P. Hla ; Q. Jiang ; C. S. Soh
Sponsor(s): IEEE Magnetics Society
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 July 2011
Volume: 47
Page Count: 7
Page(s): 1,899 - 1,905
ISSN (Paper): 0018-9464
ISSN (Online): 1941-0069
DOI: 10.1109/TMAG.2011.2157895
Regular:

In a hard disk drive (HDD), the zero crossing points (ZCPs) of back-EMF generated in the spindle motor armature windings are used as rotor position signal for realizing precision motor speed... View More

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