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    • 10. 发明专利
    • Storage device, seek control method, and program
    • 存储设备,SEEK控制方法和程序
    • JP2007207375A
    • 2007-08-16
    • JP2006026620
    • 2006-02-03
    • Fujitsu Ltd富士通株式会社
    • AOKI TAKAHIROSAITO SHUNJI
    • G11B21/10
    • G11B5/5526
    • PROBLEM TO BE SOLVED: To improve performance of a device by quickly ceasing residual vibration of a head position by position control at the time of reaching a target track.
      SOLUTION: A movement control part 52 moves and controls a head toward the target track on a disk medium 20 by drive of a head actuator (VCM18), a position control part 54 controls a position by proportional integration operation so as to eliminate deviation of a head position to a track center when the moving head reaches the target track. An integration gain holding part holds integration gain of proportional integration operation in an raised state during the prescribed holding time from the start of position control of the position control part 54, a gain switching part switches smoothly raised integration gain to original integration gain at the point of time when the holding time elapses.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过在到达目标轨道时通过位置控制快速停止头部位​​置的残余振动来提高装置的性能。 解决方案:移动控制部分52通过头致动器(VCM18)的驱动使磁头朝向盘介质20上的目标磁道移动和控制,位置控制部分54通过比例积分操作来控制位置,以消除 当移动头到达目标轨道时,头部位置与轨道中心的偏差。 积分增益保持部在从位置控制部54的位置控制开始的规定保持时间内保持比例积分运算的积分增益,增益切换部将平滑地升高的积分增益切换为原点积分增益 的时间过去了。 版权所有(C)2007,JPO&INPIT