Electricity: motive power systems – Synchronous motor systems – Brushless motor closed-loop control
Reexamination Certificate
2011-08-02
2011-08-02
Ro, Bentsu (Department: 2837)
Electricity: motive power systems
Synchronous motor systems
Brushless motor closed-loop control
C318S400160, C318S400340, C318S400350, C360S073030
Reexamination Certificate
active
07990089
ABSTRACT:
Methods, systems and computer program products for compensating repeatable timing variations associated with a spindle motor are described. Specifically, a repetitive error correction factor may be determined using a computational model which predicts timing variations. The correction factor can then be used to cancel the effect of the actual timing variations upon the spindle motor.
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Sutardja Pantas
Ying Edward
Marvell International Ltd.
Ro Bentsu
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