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1. 发明授权

US08154811B2 Measuring reader/writer offset in a tape drive head 有权
标题翻译：在磁带驱动器头中测量读取器/写入器偏移量
公开(公告)号：US08154811B2
公开(公告)日：2012-04-10
申请号：US12414491
申请日：2009-03-30
申请人： Matt Barsotti , Turguy Goker , Carl Hoerger , Jeff McAllister , Ming-Chih Weng
发明人： Matt Barsotti , Turguy Goker , Carl Hoerger , Jeff McAllister , Ming-Chih Weng
IPC分类号： G11B27/36
CPC分类号： G11B27/36 , G11B5/00817 , G11B5/09 , G11B20/10009 , G11B27/107 , G11B2220/93
摘要： In a method of electronically measuring reader/writer offset in a tape drive head, a plurality of sequentially adjacent data tracks are written on a tape with a write head. Error rate information is measured while reading a data track of the plurality of sequentially adjacent data tracks with a read head of the tape drive. A bathtub shaped curve is built from a set of the error rate information which is accumulated by reading the data track at a plurality of offsets of the read head relative to the data track. Offset of the read head relative to the write head is measured by determining an offset of the read head which correlates to a magnetic center of the data track as represented by a center point between edges of the bathtub shaped curve.
摘要翻译：在磁带驱动头中电子测量读取/写入器偏移的方法中，多个顺序相邻的数据磁道用写入头写入带上。在利用磁带驱动器的读取头读取多个顺序相邻数据磁道的数据磁道的同时测量错误率信息。由一组错误率信息建立一个浴缸形曲线，该组错误率信息是通过在相对于数据轨道的读取头的多个偏移量下读取数据轨迹来累积的。通过确定与浴缸形曲线的边缘之间的中心点所表示的与数据轨道的磁心相关的读头的偏移来测量读头相对于写头的偏移。

2. 发明申请

US20130083421A1 HEAD ROTATOR ASSEMBLY FOR TAPE DRIVE 有权
标题翻译：头带驱动器头部旋转器总成
公开(公告)号：US20130083421A1
公开(公告)日：2013-04-04
申请号：US13249627
申请日：2011-09-30
申请人： Ashok B. Nayak , Turguy Goker , Ming-Chih Weng , James Mark Decot
发明人： Ashok B. Nayak , Turguy Goker , Ming-Chih Weng , James Mark Decot
IPC分类号： G11B21/02
CPC分类号： G11B5/56 , G11B5/53 , G11B5/584
摘要： A head rotator assembly (22) for positioning a head (20) of a tape drive (10) relative to a storage tape includes a head supporter (230) and a supporter mover assembly (232). The head supporter (230) is coupled to and supports the head (20). The supporter mover assembly (232) rotates a portion of the head supporter (230) about an axis (241) to move the head (20) in an azimuth direction relative to the storage tape as the storage tape moves over the head (20). The head rotator assembly (22) includes a controller (16) that controls movement of the supporter mover assembly (232) based on a positioning signal. The supporter mover assembly (232) can include a first actuator (234A) that moves a first lever (236A) to rotate the head supporter (230) to move the head (20) in the azimuth direction. The first actuator (234A) biases the first lever (236A) to rotate part of the head supporter (230) to move the head in the azimuth direction.
摘要翻译：用于相对于存储带定位磁带驱动器（10）的头部（20）的头部旋转器组件（22）包括头部支撑件（230）和支撑件移动器组件（232）。头部支撑件（230）联接并支撑头部（20）。当存储带移动到头部（20）上时，支撑器移动器组件（232）使头部支撑件（230）的一部分围绕轴线（241）旋转，以使头部（20）相对于存储带在方位角方向上移动，。头部旋转器组件（22）包括控制器（16），该控制器基于定位信号来控制支撑器移动器组件（232）的移动。支撑器移动器组件（232）可以包括第一致动器（234A），其移动第一杆（236A）以旋转头部支撑件（230）以使头部（20）沿方位角方向移动。第一致动器（234A）偏压第一杆（236A）以旋转头部支撑件（230）的一部分，以使头部在方位角方向上移动。

3. 发明授权

US08599519B2 Head rotator assembly for tape drive 有权
标题翻译：磁带机旋转头组件
公开(公告)号：US08599519B2
公开(公告)日：2013-12-03
申请号：US13249627
申请日：2011-09-30
申请人： Ashok B. Nayak , Turguy Goker , Ming-Chih Weng , James Mark Decot
发明人： Ashok B. Nayak , Turguy Goker , Ming-Chih Weng , James Mark Decot
IPC分类号： G11B21/24
CPC分类号： G11B5/56 , G11B5/53 , G11B5/584
摘要： A head rotator assembly (22) for positioning a head (20) of a tape drive (10) relative to a storage tape includes a head supporter (230) and a supporter mover assembly (232). The head supporter (230) is coupled to and supports the head (20). The supporter mover assembly (232) rotates a portion of the head supporter (230) about an axis (241) to move the head (20) in an azimuth direction relative to the storage tape as the storage tape moves over the head (20). The head rotator assembly (22) includes a controller (16) that controls movement of the supporter mover assembly (232) based on a positioning signal. The supporter mover assembly (232) can include a first actuator (234A) that moves a first lever (236A) to rotate the head supporter (230) to move the head (20) in the azimuth direction. The first actuator (234A) biases the first lever (236A) to rotate part of the head supporter (230) to move the head in the azimuth direction.
摘要翻译：用于相对于存储带定位磁带驱动器（10）的头部（20）的头部旋转器组件（22）包括头部支撑件（230）和支撑件移动器组件（232）。头部支撑件（230）联接并支撑头部（20）。当存储带移动到头部（20）上时，支撑器移动器组件（232）使头部支撑件（230）的一部分围绕轴线（241）旋转，以使头部（20）相对于存储带在方位角方向上移动，。头部旋转器组件（22）包括控制器（16），该控制器基于定位信号来控制支撑器移动器组件（232）的移动。支撑器移动器组件（232）可以包括第一致动器（234A），其移动第一杆（236A）以旋转头部支撑件（230）以使头部（20）沿方位角方向移动。第一致动器（234A）偏压第一杆（236A）以旋转头部支撑件（230）的一部分，以使头部在方位角方向上移动。

4. 发明申请

US20100309579A1 DUAL STAGE HEAD ACTUATOR ASSEMBLY FOR TAPE DRIVE 失效
标题翻译：双级头驱动器总成用于磁带驱动
公开(公告)号：US20100309579A1
公开(公告)日：2010-12-09
申请号：US12480475
申请日：2009-06-08
申请人： Ashok B. Nayak , Ming-Chih Weng , Turguy Goker
发明人： Ashok B. Nayak , Ming-Chih Weng , Turguy Goker
IPC分类号： G11B21/02
CPC分类号： G11B5/584
摘要： An actuator assembly (22) for positioning a head (16) of a tape drive (10) relative to a storage tape that moves along a tape path (24) includes a first actuator (228), a second actuator (230) and a controller (26). The actuators (228, 230) move the head (16) in a direction that is substantially perpendicular to the tape path. The first actuator (228) is mounted to the second actuator (230) at a location that is based on a position of a resonance node (680) of the second actuator (230). The controller (26) controls linear positioning of the first actuator (228) and the second actuator (230) relative to the storage tape on a closed-loop basis. The actuators (228, 230) can each include voice coils (246, 260). The second actuator (230) can include two positioner guides (253A, 253B) that are configured in a substantially collinear configuration or in a triangular configuration with the head (16). The first actuator (228) can include an isolation boot (232) that decreases vibration of the first actuator (228) caused by vibration of the second actuator (230). The actuators (228, 230) can have resonance frequencies that are different from one another. The first fundamental resonance frequency can be tuned based on the second resonance frequency to decrease a correlation between the resonances of the actuators (228, 230).
摘要翻译：用于相对于沿着带路径（24）移动的存储带定位磁带驱动器（10）的头部（16）的致动器组件（22）包括第一致动器（228），第二致动器（230）和控制器（26）。致动器（228,230）在基本上垂直于磁带路径的方向上移动磁头（16）。第一致动器（228）在基于第二致动器（230）的谐振节点（680）的位置的位置处安装到第二致动器（230）。控制器（26）基于闭环控制第一致动器（228）和第二致动器（230）相对于存储带的线性定位。致动器（228,230）可以各自包括音圈（246,260）。第二致动器（230）可以包括两个定位器引导件（253A，253B），其被配置为具有头部（16）的大致共线构型或三角形构造。第一致动器（228）可以包括隔离罩（232），其减小由第二致动器（230）的振动引起的第一致动器（228）的振动。致动器（228,230）可以具有彼此不同的共振频率。可以基于第二共振频率来调整第一基本共振频率，以减小致动器（228,230）的共振之间的相关性。

5. 发明授权

US08059355B2 Dual stage head actuator assembly for tape drive 失效
标题翻译：用于磁带驱动器的双级磁头执行器组件
公开(公告)号：US08059355B2
公开(公告)日：2011-11-15
申请号：US12480475
申请日：2009-06-08
申请人： Ashok B. Nayak , Ming-Chih Weng , Turguy Goker
发明人： Ashok B. Nayak , Ming-Chih Weng , Turguy Goker
IPC分类号： G11B21/02
CPC分类号： G11B5/584
摘要： An actuator assembly (22) for positioning a head (16) of a tape drive (10) relative to a storage tape that moves along a tape path (24) includes a first actuator (228), a second actuator (230) and a controller (26). The actuators (228, 230) move the head (16) in a direction that is substantially perpendicular to the tape path. The first actuator (228) is mounted to the second actuator (230) at a location that is based on a position of a resonance node (680) of the second actuator (230). The controller (26) controls linear positioning of the first actuator (228) and the second actuator (230) relative to the storage tape on a closed-loop basis. The actuators (228, 230) can each include voice coils (246, 260). The second actuator (230) can include two positioner guides (253A, 253B) that are configured in a substantially collinear configuration or in a triangular configuration with the head (16). The first actuator (228) can include an isolation boot (232) that decreases vibration of the first actuator (228) caused by vibration of the second actuator (230). The actuators (228, 230) can have resonance frequencies that are different from one another. The first fundamental resonance frequency can be tuned based on the second resonance frequency to decrease a correlation between the resonances of the actuators (228, 230).
摘要翻译：用于相对于沿着带路径（24）移动的存储带定位磁带驱动器（10）的头部（16）的致动器组件（22）包括第一致动器（228），第二致动器（230）和控制器（26）。致动器（228,230）在基本上垂直于磁带路径的方向上移动磁头（16）。第一致动器（228）在基于第二致动器（230）的谐振节点（680）的位置的位置处安装到第二致动器（230）。控制器（26）基于闭环控制第一致动器（228）和第二致动器（230）相对于存储带的线性定位。致动器（228,230）可以各自包括音圈（246,260）。第二致动器（230）可以包括两个定位器引导件（253A，253B），其被配置为具有头部（16）的大致共线构型或三角形构造。第一致动器（228）可以包括隔离罩（232），其减小由第二致动器（230）的振动引起的第一致动器（228）的振动。致动器（228,230）可以具有彼此不同的共振频率。可以基于第二共振频率来调整第一基本共振频率，以减小致动器（228,230）的共振之间的相关性。

6. 发明授权

US07684144B1 Multi-rate tracking with a multi-actuator servo control 有权
标题翻译：多速率跟踪与多执行器伺服控制
公开(公告)号：US07684144B1
公开(公告)日：2010-03-23
申请号：US12260937
申请日：2008-10-29
申请人： Turguy Goker , Ming-Chih Weng , Ryan Taylor , Umang Mehta
发明人： Turguy Goker , Ming-Chih Weng , Ryan Taylor , Umang Mehta
IPC分类号： G11B5/584 , G11B5/55
CPC分类号： G11B5/584
摘要： In a method of multi-rate tracking with a multi-actuator servo control, a track position error is sampled at an asynchronous sample rate for operating a first actuator. The track position error is also sampled at a synchronous sample rate for operating a second actuator. The sampling from the synchronous sample rate is utilized to reduce a delay associated with the sampling at the asynchronous sample rate.
摘要翻译：在使用多执行器伺服控制的多速率跟踪的方法中，轨迹位置误差以用于操作第一致动器的异步采样率进行采样。跟踪位置误差也以用于操作第二致动器的同步采样率进行采样。利用来自同步采样率的采样来减少与异步采样速率下的采样相关的延迟。

7. 发明授权

US08699174B2 Control system for tape drive to compensate for system disturbances without use of feed-forward sensor 有权
标题翻译：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
公开(公告)号：US08699174B2
公开(公告)日：2014-04-15
申请号：US13220391
申请日：2011-08-29
申请人： Charles E. Kinney , Ming-Chih Weng
发明人： Charles E. Kinney , Ming-Chih Weng
IPC分类号： G11B5/584
CPC分类号： G11B5/584
摘要： 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.
摘要翻译：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。

8. 发明申请

US20130050868A1 CONTROL SYSTEM FOR TAPE DRIVE TO COMPENSATE FOR SYSTEM DISTURBANCES WITHOUT USE OF FEED-FORWARD SENSOR 有权
标题翻译：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
公开(公告)号：US20130050868A1
公开(公告)日：2013-02-28
申请号：US13220391
申请日：2011-08-29
申请人： Charles E. Kinney , Ming-Chih Weng
发明人： Charles E. Kinney , Ming-Chih Weng
IPC分类号： G11B21/02
CPC分类号： G11B5/584
摘要： 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.
摘要翻译：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。

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