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    • 14. 发明授权
    • Servo control method, apparatus using the same, and recording medium having program for executing the method
    • 伺服控制方法,使用该伺服控制方法的装置,以及具有用于执行该方法的程序的记录介质
    • US07359141B2
    • 2008-04-15
    • US11444298
    • 2006-06-01
    • Jung-ho Lee
    • Jung-ho Lee
    • G11B5/596
    • G11B5/5547
    • The sequential seek method includes calculating a seek length by comparing a cylinder number of a current track with a cylinder number of a target track; checking if the seek length corresponding to a cylinder number is equal to or smaller than 2; calculating a seek length by comparing a position of a head in a current data track with a position of the head in a center line of a target data track if the seek length corresponding to the cylinder number is equal to or smaller than 2; calculating a seek time corresponding to the seek length corresponding to the head position; calculating seek trajectories based on the seek time denoted by a head position and the seek length thereof; and controlling a current being applied to a voice coil motor to move the head along the calculated trajectories calculated.
    • 顺序搜索方法包括通过将当前轨道的气缸数与目标轨道的气缸数进行比较来计算寻道长度; 检查对应于气缸数的寻道长度是否等于或小于2; 如果与气缸数相对应的寻道长度等于或小于2,则通过将当前数据轨道中的头部的位置与目标数据轨道的中心线中的头部的位置进行比较来计算寻道长度; 计算对应于与头部位置对应的寻道长度的寻道时间; 基于由头位置和寻道长度表示的寻道时间来计算搜索轨迹; 以及控制施加到音圈电机的电流,以沿所计算的计算的轨迹移动头部。
    • 16. 发明申请
    • Method of controlling track seek in HDD and a recording medium therefor
    • 控制HDD中的追踪的方法及其记录介质
    • US20060279870A1
    • 2006-12-14
    • US11324488
    • 2006-01-04
    • Jung-ho Lee
    • Jung-ho Lee
    • G11B19/02
    • G11B5/5547
    • Provided is a hard disc drive controlling method, and more particularly, a method of controlling track seek in a hard disc drive (HDD) provided against a shift between discs, and a computer readable recording medium having embodied thereon a computer program for the method. The method of controlling track seek in a HDD, including disc switching, includes: head switching to a head corresponding to a disc having a target track; calculating track seek length by comparing the previous target track address and the current target track address; determining whether or not the track seek length is shorter than the limit seek length set by considering a shift of a disc; if the track seek length is shorter than the limit seek length, reading the track address of a track on which the head is put on the switched disc, and by referring to the read track address and the target track address, determining track seek length and a seek profile thereof; and performing track seek according to the determined seek profile. According to the track seek control method of the invention, even when there is a shift between discs, the shift is automatically reflected and compensated for when track seek is performed, such that stable track seek can be performed.
    • 提供了一种硬盘驱动器控制方法,更具体地,涉及一种控制在盘之间的移位中提供的硬盘驱动器(HDD)中的追踪查找的方法,以及在其上实施了用于该方法的计算机程序的计算机可读记录介质。 控制包括盘切换在内的HDD中的追踪查找的方法包括:头切换到与具有目标轨道的盘对应的头; 通过比较先前的目标轨道地址和当前目标轨道地址来计算轨道寻道长度; 确定轨道寻道长度是否短于通过考虑盘的移位而设定的限制寻道长度; 如果磁道寻道长度小于极限寻道长度,则读取磁头放置在切换磁盘上的磁道的磁道地址,并通过参考读磁道地址和目标磁道地址,确定磁道寻道长度和 寻求资料; 以及根据所确定的寻道简档来执行追踪。 根据本发明的轨迹搜索控制方法,即使在盘之间存在偏移的情况下,当执行轨道搜索时,偏移被自动反映和补偿,使得可以执行稳定的追踪。
    • 20. 发明授权
    • Method of controlling track seek in HDD and a recording medium therefor
    • 控制HDD中的追踪的方法及其记录介质
    • US07463445B2
    • 2008-12-09
    • US11324488
    • 2006-01-04
    • Jung-ho Lee
    • Jung-ho Lee
    • G11B5/55
    • G11B5/5547
    • Provided is a hard disc drive controlling method, and more particularly, a method of controlling track seek in a hard disc drive (HDD) provided against a shift between discs, and a computer readable recording medium having embodied thereon a computer program for the method. The method of controlling track seek in a HDD, including disc switching, includes: head switching to a head corresponding to a disc having a target track; calculating track seek length by comparing the previous target track address and the current target track address; determining whether or not the track seek length is shorter than the limit seek length set by considering a shift of a disc; if the track seek length is shorter than the limit seek length, reading the track address of a track on which the head is put on the switched disc, and by referring to the read track address and the target track address, determining track seek length and a seek profile thereof; and performing track seek according to the determined seek profile. According to the track seek control method of the invention, even when there is a shift between discs, the shift is automatically reflected and compensated for when track seek is performed, such that stable track seek can be performed.
    • 提供了一种硬盘驱动器控制方法,更具体地,涉及一种控制在盘之间的移位中提供的硬盘驱动器(HDD)中的追踪查找的方法,以及在其上实施了用于该方法的计算机程序的计算机可读记录介质。 控制包括盘切换在内的HDD中的追踪查找的方法包括:头切换到与具有目标轨道的盘对应的头; 通过比较先前的目标轨道地址和当前目标轨道地址来计算轨道寻道长度; 确定轨道寻道长度是否短于通过考虑盘的移位而设定的限制寻道长度; 如果磁道寻道长度小于极限寻道长度,则读取磁头放置在切换磁盘上的磁道的磁道地址,并通过参考读磁道地址和目标磁道地址,确定磁道寻道长度和 寻求资料; 以及根据所确定的寻道简档来执行追踪。 根据本发明的轨迹搜索控制方法,即使在盘之间存在偏移的情况下,当执行轨道搜索时,偏移被自动反映和补偿,使得可以执行稳定的追踪。