公开(公告)号：US06369974B1

公开(公告)日：2002-04-09

申请号：US09248087

申请日：1999-02-09

申请人： Saeed Asgari ,  Mark D. Hagen

发明人： Saeed Asgari ,  Mark D. Hagen

IPC分类号： G11B5596

CPC分类号： G11B5/59655

摘要： A method for constructing and linearizing a position error signal (PES) derived from primary and quadrature servo burst pairs in an embedded servo disk drive. The construction method mathematically provides predetermined transition values at the commutation positions connecting adjacent PES segments so that the overall, indicated position signal is numerically continuous from segment to segment. The linearization method compensates for nonlinearity in the PES segments, and thereby in the indicated position signal, without affecting the predetermined transition values at all, or by modifying the predetermined transition values while maintaining continuity.

摘要翻译： 一种用于构造和线性化从嵌入式伺服磁盘驱动器中的主要和正交伺服突发对导出的位置误差信号（PES）的方法。 该构造方法在连接相邻PES段的换向位置上以数学方式提供预定的转变值，使得总体指示的位置信号在分段之间是数字连续的。 线性化方法补偿PES段中的非线性，从而补偿指示位置信号，而不影响预定的转换值，或通过修改预定的转换值同时保持连续性。

公开(公告)号：US07012771B1

公开(公告)日：2006-03-14

申请号：US10058586

申请日：2002-01-26

申请人： Saeed Asgari ,  Mathew Vea ,  George Iszlai

发明人： Saeed Asgari ,  Mathew Vea ,  George Iszlai

IPC分类号： G11B27/36

CPC分类号： G11B27/36 ,  G11B20/1258 ,  G11B2020/1275 ,  G11B2020/1292 ,  G11B2220/2516

摘要： A method of defining such a storage format in multiple data storage devices, each data storage device having a plurality of storage media and a plurality of corresponding data transducer heads, each transducer head for recording on and playback of information from a corresponding storage medium in at least one zone, wherein each zone includes a plurality of concentric tracks for recording on and playback of information. The method includes the steps of: selecting a plurality of said data storage devices; for each selected data storage device, measuring a record/playback performance capability of each head at one or more read/write frequencies per zone; based on said performance capability measurements, generating storage density distributions corresponding to at least a number of the heads in said selected data storage devices; selecting a group of read/write frequencies for said multiple data storage devices, two or more frequencies for each zone, based on said storage density distributions; and assigning one of said read/write frequencies to each head based on performance capability of that head.

摘要翻译： 一种在多个数据存储设备中定义这种存储格式的方法，每个数据存储设备具有多个存储介质和多个对应的数据传感器头，每个换能器头用于在相应的存储介质中记录信息和从其中回放信息 至少一个区域，其中每个区域包括用于在信息上进行记录和重放的多个同心轨道。 该方法包括以下步骤：选择多个所述数据存储装置; 对于每个选择的数据存储设备，以每个区域的一个或多个读/写频率测量每个头的记录/回放性能能力; 基于所述性能能力测量，产生对应于所述选择的数据存储设备中的至少多个头部的存储密度分布; 基于所述存储密度分布，为所述多个数据存储设备选择一组读/写频率，每个区域的两个或更多个频率; 并且基于该头部的性能能力，将一个所述读/写频率分配给每个头部。