发明名称 |
Apparatus and method for maintaining stability in a disc drive servo loop |
摘要 |
An apparatus and method of maintaining stability in a servo loop of a disc drive is provided. A dither signal (a single frequency sine wave or a multi-frequency signal) is injected into the servo loop. A servo loop gain error signal is obtained in response to the injected dither signal. A gain of the servo loop is adjusted as a function of the servo loop gain error signal in real-time.
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申请公布号 |
US7136257(B2) |
申请公布日期 |
2006.11.14 |
申请号 |
US20030439663 |
申请日期 |
2003.05.16 |
申请人 |
SEAGATE TECHNOLOGY LLC |
发明人 |
ZHANG TAO;MORRIS JOHN CHRISTOPHER;CVANCARA DUSTIN MARK;SOSSEH RAYE ABDOULIE |
分类号 |
G11B5/596 |
主分类号 |
G11B5/596 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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