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Head follow-up control method, head follow-up control device and storage device thereof
Head follow-up control method, head follow-up control device and storage device thereof
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机译:磁头跟踪控制方法,磁头跟踪控制装置及其存储装置
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摘要
A follow-up control system follows up a head of a storage device to a storage medium. A sine wave signal learning section (82) which learns sine wave signals according to follow-up error signals which are input to a feedback control system (80), and performs time lead compensation corresponding to a delay of the feedback system (80), is provided. Since the time lead compensation is used for the sine wave signal learning model which can learn at high-speed, frequency disturbance of high frequency, for which phase lag must be considered, can be a compensation target, and the present invention contributes to the improvement of follow-up accuracy of the storage device.
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