发明名称 |
METHOD AND APPARATUS FOR COMPENSATING FOR DISTURBANCE AND DISK DRIVE EMPLOYING THE SAME |
摘要 |
A method and apparatus for compensating for a disturbance by detecting a periodic external disturbance applied to a data storage apparatus is provided. The method includes: calculating a correlation coefficient for a first signal corresponding to a first period and a second period that is adjacent to the first period generated from a servo control system of a data storage apparatus; estimating a disturbance of a third period by using the first signal of the first period; determining whether a periodic external shock is generated based on the calculated correlation coefficient; and if it is determined that the periodic external shock is generated, compensating for the disturbance to be generated in the third period by feed-forwarding the estimated disturbance of the third period to the servo control system.
|
申请公布号 |
US2012050904(A1) |
申请公布日期 |
2012.03.01 |
申请号 |
US201113216813 |
申请日期 |
2011.08.24 |
申请人 |
PARK SUNG-WON;CHOI SOO-IL;YUN JAE-SANG;SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
PARK SUNG-WON;CHOI SOO-IL;YUN JAE-SANG |
分类号 |
G11B27/36;G11B21/02;G11B33/14 |
主分类号 |
G11B27/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|