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    • 3. 发明申请
    • CONTROL SYSTEM FOR TAPE DRIVE TO COMPENSATE FOR SYSTEM DISTURBANCES WITHOUT USE OF FEED-FORWARD SENSOR
    • 用于传送系统的控制系统,用于在不使用前馈传感器的情况下补偿系统干扰
    • US20130050868A1
    • 2013-02-28
    • US13220391
    • 2011-08-29
    • Charles E. KinneyMing-Chih Weng
    • Charles E. KinneyMing-Chih Weng
    • G11B21/02
    • G11B5/584
    • A tape drive (232) that receives a tape cartridge (42) having a tape (256) comprises a tape head (280) and a control system (270). The tape head (280) transfers data between the tape drive (232) and the tape (256). The control system (270) utilizes linear parameterization to control the position of the tape head (280) relative to the tape (256). The control system (270) can include a compensator (J) and a filter (Q). The compensator (J) is a combination of the information contained in a nominal control system (370A) and the information contained in a model of the servo system (370B). The model of the servo system (370B) estimates system disturbances that affect the tracking ability of the control system (270). The filter (Q) filters the estimated system disturbances to generate a filtered system disturbance signal. The filtered system disturbance signal is then used to adjust the output of the compensator (J). Additionally, the control system (270) can utilize Youla-Kucera parameterization to control the position of the tape head (280) relative to the tape (256). Further, the control system (270) controls the position of the tape head (280) relative to the tape (256) without the use of a feed-forward sensor.
    • 接收具有带(256)的带盒(42)的磁带驱动器(232)包括磁带头(280)和控制系统(270)。 带头(280)在磁带驱动器(232)和磁带(256)之间传送数据。 控制系统(270)利用线性参数化来控制带头(280)相对于带(256)的位置。 控制系统(270)可以包括补偿器(J)和过滤器(Q)。 补偿器(J)是包含在标称控制系统(370A)中的信息与包含在伺服系统(370B)的模型中的信息的组合。 伺服系统(370B)的模型估计了影响控制系统的跟踪能力的系统扰动(270)。 滤波器(Q)对所估计的系统干扰进行滤波以产生经滤波的系统干扰信号。 滤波后的系统干扰信号用于调整补偿器(J)的输出。 另外,控制系统(270)可以利用Youla-Kucera参数化来控制磁带头(280)相对于磁带(256)的位置。 此外,控制系统(270)不使用前馈传感器来控制带头(280)相对于带(256)的位置。
    • 4. 发明授权
    • Control system for tape drive to compensate for system disturbances without use of feed-forward sensor
    • 用于磁带机的控制系统,以补偿系统干扰而不使用前馈传感器
    • US08699174B2
    • 2014-04-15
    • US13220391
    • 2011-08-29
    • Charles E. KinneyMing-Chih Weng
    • Charles E. KinneyMing-Chih Weng
    • G11B5/584
    • G11B5/584
    • A tape drive (232) that receives a tape cartridge (42) having a tape (256) comprises a tape head (280) and a control system (270). The tape head (280) transfers data between the tape drive (232) and the tape (256). The control system (270) utilizes linear parameterization to control the position of the tape head (280) relative to the tape (256). The control system (270) can include a compensator (J) and a filter (Q). The compensator (J) is a combination of the information contained in a nominal control system (370A) and the information contained in a model of the servo system (370B). The model of the servo system (370B) estimates system disturbances that affect the tracking ability of the control system (270). The filter (Q) filters the estimated system disturbances to generate a filtered system disturbance signal. The filtered system disturbance signal is then used to adjust the output of the compensator (J). Additionally, the control system (270) can utilize Youla-Kucera parameterization to control the position of the tape head (280) relative to the tape (256). Further, the control system (270) controls the position of the tape head (280) relative to the tape (256) without the use of a feed-forward sensor.
    • 接收具有带(256)的带盒(42)的磁带驱动器(232)包括磁带头(280)和控制系统(270)。 带头(280)在磁带驱动器(232)和磁带(256)之间传送数据。 控制系统(270)利用线性参数化来控制带头(280)相对于带(256)的位置。 控制系统(270)可以包括补偿器(J)和过滤器(Q)。 补偿器(J)是包含在标称控制系统(370A)中的信息与包含在伺服系统(370B)的模型中的信息的组合。 伺服系统(370B)的模型估计了影响控制系统的跟踪能力的系统扰动(270)。 滤波器(Q)对所估计的系统干扰进行滤波以产生经滤波的系统干扰信号。 滤波后的系统干扰信号用于调整补偿器(J)的输出。 另外,控制系统(270)可以利用Youla-Kucera参数化来控制磁带头(280)相对于磁带(256)的位置。 此外,控制系统(270)不使用前馈传感器来控制带头(280)相对于带(256)的位置。