公开(公告)号：US6097565A

公开(公告)日：2000-08-01

申请号：US594572

申请日：1996-01-31

申请人： Muthuthamby Sri-Jayantha ,  Arun Sharma ,  Hien Dang ,  Hirouki Suzuki

发明人： Muthuthamby Sri-Jayantha ,  Arun Sharma ,  Hien Dang ,  Hirouki Suzuki

IPC分类号： G11B21/10 ,  G11B5/596

CPC分类号： G11B5/59627

摘要： In a direct access storage device including a rotating disk, a head positioned for interaction with said disk, an actuator for carrying said head and a servo system for operating said actuator so as to follow a substantially circular track on said disk by responding to a position error signal, a method for reducing response of the servo system to radial runout of the circular tracks, comprising the steps of obtaining radial runout data; filtering the data; storing the filtered data; subtracting the filtered data from the position error signal to obtain a corrected position error signal; and using the corrected position error signal to control the servo system. A direct access storage device in accordance with the invention includes means for obtaining radial runout data; means for filtering the data; means for storing the filtered data; means for subtracting the filtered data from the position error signal to obtain a corrected position error signal; and means for controlling the servo system using the corrected position error signal.

摘要翻译： 在包括旋转盘的直接存取存储装置中，用于与所述盘相互作用的头部，用于承载所述头部的致动器和用于操作所述致动器的伺服系统，以便通过响应于位置 误差信号，用于减小伺服系统对圆形轨道的径向跳动的响应的方法，包括以下步骤：获得径向跳动数据; 过滤数据; 存储经过滤的数据; 从位置误差信号中减去滤波后的数据，得到校正后的位置误差信号; 并使用校正的位置误差信号来控制伺服系统。 根据本发明的直接存取存储装置包括用于获得径向跳动数据的装置; 用于过滤数据的手段; 用于存储经过滤数据的装置; 用于从所述位置误差信号中减去所述滤波数据以获得校正的位置误差信号的装置; 以及用于使用校正的位置误差信号来控制伺服系统的装置。