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Method for boosting a disc drive motor stiction breakaway performance
Method for boosting a disc drive motor stiction breakaway performance
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机译:提升磁盘驱动器马达静摩擦性能的方法
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摘要
A method of overcoming stiction, at a head-to-disc interface, within a disc drive. The method comprises the operations of powering on the disc drive and initiating a motor spin-up routine. The motor spin-up routine involves a breakaway part, during which a spindle motor, carrying a disc in the disc drive, is driven with a spindle motor current at a first level sufficient to generate a motor torque greater than half of a maximum stiction force for a first time period in order to break stiction, and then driving the spindle motor with the spindle motor current at a second level, less than the first level after the first time period to rotate the disc. The breakaway part of the spin-up routine is followed by an acceleration part and then a normal disc rotation part during which nominal speed is maintained.
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