-
1.发明授权Adaptive servo estimator and compensator for coil and carriage deformation in voice coil motor driven hard disk drive 失效音圈电机驱动硬盘驱动器中线圈和滑架变形的自适应伺服估计器和补偿器公开(公告)号：US06594106B1
公开(公告)日：2003-07-15
申请号：US09429865
申请日：1999-10-29
IPC分类号： G11B5596
CPC分类号： G11B5/5556
摘要： A system and method for adaptively compensating for real-time variations in mechanical dynamics of a head-positioning assembly during track follow and seek operations. The head-positioning assembly includes a voice coil actuator that positions a read/write head utilizing a coil and carriage in conformity with an actuator control signal. Variations in resonant mode characteristics are anticipated in real-time in accordance with measured temperature variations. These parametric variations are translated in real-time by a state space model to determine a secondary velocity and displacement of the read/write head during track follow and seek operations. In response to this secondary velocity and displacement determination, the actuator control signal is dynamically adjusted to compensate for the determined secondary head velocity and displacement, thereby improving head positioning accuracy and increasing servo bandwidth.
摘要翻译： 一种系统和方法，用于在轨道跟踪和寻道操作期间自动补偿头部定位组件的机械动力学实时变化。 头部定位组件包括音圈致动器，该音圈致动器使用符合致动器控制信号的线圈和滑架来定位读/写头。 根据测量的温度变化，可以实时预测谐振模式特性的变化。 通过状态空间模型实时地转换这些参数变化，以确定跟踪跟踪操作期间读/写头的二次速度和位移。 响应于该二次速度和位移确定，致动器控制信号被动态地调节以补偿确定的次级头部速度和位移，从而提高头部定位精度并增加伺服带宽。
-
2.发明授权公开(公告)号：US06577463B1
公开(公告)日：2003-06-10
申请号：US09561253
申请日：2000-04-27
IPC分类号： G11B509
CPC分类号： G11B5/59655
摘要： A system and method for precompensating for tangential misalignment in a direct access storage device adjusts a SID timing window individually for every track or surface of the direct access storage device. The system and method generate a calculation of the tangential misalignment and adjust, in accordance with the calculation of tangential misalignment, a timing window during which the transducer head reads the information located on the storage surface. The calculation of tangential misalignment may be the result of a direct measurement of the tangential misalignment, or may be converted from radial misalignment data. The adjustment of the timing window may comprise opening the timing window an amount depending upon the degree of misalignment of each track, and may comprise shifting the window in time either forward or backward depending upon the nature of the calculated misalignment.
摘要翻译： 在直接存取存储设备中用于预补偿切向不对准的系统和方法针对直接存取存储设备的每个轨迹或表面单独地调整SID定时窗口。 该系统和方法产生切向未对准的计算，并且根据切线未对准的计算调整换能器头读取位于存储表面上的信息的定时窗口。 切向不对准的计算可能是直接测量切线未对准的结果，或者可以从径向未对准数据转换。 定时窗口的调节可以包括根据每个轨道的未对准程度来打开定时窗口，并且可以包括根据所计算的未对准的性质向前或向后移动窗口。
-
3.发明授权Multiple and reconfigurable data access and storage device using multiple actuators 失效多重和可重新配置的数据访问和存储设备使用多个执行器公开(公告)号：US06563657B1
公开(公告)日：2003-05-13
申请号：US09676604
申请日：2000-09-29
IPC分类号： G11B509
CPC分类号： G11B5/5547 , G11B5/5578
摘要： A hard disk drive for a computer system has at least two actuators for reading data from or writing data to the disks. The actuators may be configured to support the different methods of data access required of them. For example, if large quantities of sequential data are performed, one operation uses both actuators to increase throughput. However, if mostly random operations are to be performed, then independent usage of the actuators is preferred. These two methods of usage can be supported simultaneously, and can even be dictated by the user. The tracking format of the actuators can be configured such that the next logical track is physically located under a head on a different actuator to improve sequential operation. The actuators also may be utilized in a dual-channel configuration so that data can be written to both actuators at the same time, or read back at the same time to improve throughput. In addition, either of these configurations can be selected on a transfer-by-transfer basis by the user.
摘要翻译： 用于计算机系统的硬盘驱动器具有用于从数据读取数据或向盘写入数据的至少两个致动器。 致动器可以被配置为支持它们所需的不同的数据访问方法。 例如，如果执行大量的顺序数据，则一个操作使用两个致动器来增加吞吐量。 然而，如果要执行大多数随机操作，则优选致动器的独立使用。 这两种使用方法可以同时支持，甚至可以由用户来决定。 致动器的跟踪格式可以被配置成使得下一逻辑轨道物理上位于不同致动器的头部下方以改进顺序操作。 致动器还可以用于双通道配置，以便可以同时将数据写入两个致动器，或者同时回读以提高吞吐量。 另外，这些配置中的任何一个可以由用户按传送方式选择。
-
4.发明授权Method and apparatus for providing feedforward control of two interacting actuators 失效用于提供两个相互作用的致动器的前馈控制的方法和装置公开(公告)号：US06519109B1
公开(公告)日：2003-02-11
申请号：US09620789
申请日：2000-07-21
IPC分类号： G11B5596
CPC分类号： G11B5/59605 , G11B5/5526
摘要： A method and apparatus for providing feedforward control of two interacting actuators to compensate for interaction there between is disclosed. State models for each actuator that processes acceleration for each actuator provide an estimate of head acceleration for each of the actuators and to provide feedforward control signals to the actuators for controlling the positioning of the heads based upon the estimates of head acceleration for each of the actuators.
摘要翻译： 公开了一种用于提供两个相互作用的致动器的前馈控制以补偿其间的相互作用的方法和装置。 用于处理每个致动器的加速度的每个致动器的状态模型提供每个致动器的头部加速度的估计，并且基于对于每个致动器的头部加速度的估计，向致动器提供前馈控制信号以控制头部的定位 。
-
5.发明授权Disk drive with multiple actuators on a single axis having different inertia characteristics 失效在单轴上具有多个执行器的磁盘驱动器具有不同的惯性特性
公开(公告)号：US5761007A
公开(公告)日：1998-06-02
申请号：US795090
申请日：1997-02-05
CPC分类号： G11B21/083 , G11B5/4813
摘要： Disclosed is a data recording disk file having multiple actuators mounted on a common pivot axis, one of the actuators having fewer arms and lower inertia characteristics than the other. A servo system separately drives each of the actuators for seek repositioning, the lower inertia actuator having a higher performance than the other. A controller selectively records one type of data on the data surfaces associated with the lower inertia actuator, and records all other data on the other data surfaces, thereby providing a disk drive with increased performance appropriate to the data stored on the surfaces associated with the lower inertia actuator. A removable locking pin may be provided which extends through corresponding holes in each of the actuators for maintaining the actuators precisely positioned with respect to each other so that servo information may be written on each of the surfaces in a single process. Additionally, one of the actuators may be provided with a shorter stroke than the other actuators. Further, the tracks of the data surfaces associated with one of the actuators may have a different track pitch than the other data surfaces.
摘要翻译： 公开了一种数据记录盘文件，其具有安装在公共枢转轴线上的多个致动器，其中一个致动器具有较少的臂并且具有比另一个低的惯性特性。 伺服系统分别驱动每个致动器用于寻找重新定位，下惯性致动器具有比另一个更高的性能。 控制器选择性地将一种类型的数据记录在与下惯性致动器相关联的数据表面上，并将所有其它数据记录在其他数据表面上，从而提供具有适合于存储在与较低级 惯性致动器。 可以提供可拆卸的锁定销，其延伸穿过每个致动器中的对应的孔，用于维持执行器相对于彼此精确定位，使得可以在单个过程中在每个表面上写入伺服信息。 另外，致动器中的一个可以具有比其他致动器更短的行程。 此外，与一个致动器相关联的数据表面的轨迹可以具有与其他数据表面不同的轨道间距。
-
6.发明授权Disk drive with multiple actuators on a single axis and disk surfaces of differing track pitch 失效在单个轴上具有多个执行器的磁盘驱动器和不同轨道间距的磁盘表面
公开(公告)号：US6005743A
公开(公告)日：1999-12-21
申请号：US73283
申请日：1998-05-05
CPC分类号： G11B21/083 , G11B5/4813
摘要： A data recording disk file having multiple actuators mounted on a common pivot axis, one of the actuators having fewer arms and lower inertia characteristics than the other. A servo system separately drives each of the actuators for seek repositioning, the lower inertia actuator having a higher performance than the other. A controller selectively records one type of data on the data surfaces associated with the lower inertia actuator, and records all other data on the other data surfaces, thereby providing a disk drive with increased performance appropriate to the data stored on the surfaces associated with the lower inertia actuator. A removable locking pin may be provided which extends through corresponding holes in each of the actuators for maintaining the actuators precisely positioned with respect to each other so that servo information may be written on each of the surfaces in a single process. Additionally, one of the actuators may be provided with a shorter stroke than the other actuators. Further, the tracks of the data surfaces associated with one of the actuators may have a different track pitch than the other data surfaces.
摘要翻译： 一种数据记录盘文件，其具有安装在公共枢转轴线上的多个致动器，其中一个致动器具有较少的臂和较低的惯性特性。 伺服系统分别驱动每个致动器用于寻找重新定位，下惯性致动器具有比另一个更高的性能。 控制器选择性地将一种类型的数据记录在与下惯性致动器相关联的数据表面上，并将所有其它数据记录在其他数据表面上，从而提供具有适合于存储在与较低级 惯性致动器。 可以提供可拆卸的锁定销，其延伸穿过每个致动器中的对应的孔，用于维持执行器相对于彼此精确定位，使得可以在单个过程中在每个表面上写入伺服信息。 另外，致动器中的一个可以具有比其他致动器更短的行程。 此外，与一个致动器相关联的数据表面的轨迹可以具有与其他数据表面不同的轨道间距。
-
7.发明授权Method and system for providing spindle motor control for head loading in a disk drive 失效提供主轴电机控制的方法和系统，用于磁盘驱动器中的磁头加载公开(公告)号：US06388832B1
公开(公告)日：2002-05-14
申请号：US09300556
申请日：1999-04-27
IPC分类号： G11B1546
摘要： Method and system aspects for controlling spindle motor speed during head loading in a disk drive are described. The aspects include inputting a time-varying reference velocity profile signal, and selecting a controller to control spindle motor speed. Further included is feeding forward control signals sufficient to precompensate for drag during a head loading event and maintain spindle motor speed within an operating tolerance.
摘要翻译： 描述了在磁盘驱动器中的磁头加载期间控制主轴电机速度的方法和系统方面。 这些方面包括输入时变参考速度分布信号，并选择控制器来控制主轴电机速度。 进一步包括前馈控制信号，足以在头部加载事件期间预补偿拖曳，并将主轴电机速度保持在工作公差范围内。
-
公开(公告)号：US06215608B1
公开(公告)日：2001-04-10
申请号：US09143801
申请日：1998-08-31
IPC分类号： G11B1904
CPC分类号： G11B5/59605 , G11B5/012 , G11B11/10576 , G11B11/10595 , G11B19/04 , G11B2005/001
摘要： A direct access storage device that (DASD) includes a sector servo control system that controls disk write operations by receiving a servo pattern readback signal in a sector, determining track centering for that sector, and generating a write inhibit signal before any write operations are initiated for that sector. The servo control system is able to make write inhibit decisions without software processing delays, enabling the system to produce a write inhibit signal quickly after an off-track excursion, and to terminate a write inhibit decision quickly after it is no longer needed.
摘要翻译： （DASD）的直接存取存储装置包括扇区伺服控制系统，其通过在扇区中接收伺服模式回读信号来控制盘写入操作，确定该扇区的轨道定心，以及在开始任何写操作之前产生写禁止信号 为该部门。 伺服控制系统能够在没有软件处理延迟的情况下进行禁止写入判定，使得系统能够在偏离轨道偏移之后快速产生写禁止信号，并且在不再需要之后快速终止写禁止判定。
-
9.发明授权Settle time estimator feedback for rotational position reordering in data storage devices 失效数据存储设备中旋转位置重新排序的定时估计器反馈公开(公告)号：US06426843B1
公开(公告)日：2002-07-30
申请号：US09300070
申请日：1999-04-27
IPC分类号： G11B2102
CPC分类号： G11B21/02 , G11B5/5521
摘要： A method, apparatus, and article of manufacture for rotational position reordering of queued commands in a data storage device based on settle time estimator feedback. An initial settle time estimation is programmed into a servo controller for the data storage device. As data operations are performed in the data storage device, an actual settle time is measured for the data operations, generally through the use of a timer in the servo controller. The settle time estimation is then modified based on the actual settle time and the data operations are reordered or scheduled based on the settle time estimation. Specifically, the settle time estimation is adjusted based on a success rate for the data operations, wherein the success rate comprises a comparison of the actual settle time versus the settle time estimation. A first delta value is subtracted from the settle time estimation when the settle time estimation is greater than the actual settle time, and a second delta value is added to the settle time estimation when the settle time estimation is less than the actual settle time. Different settle time estimations may be used depending on various characteristics, i.e., settle time estimations differ for different transducers in the data storage device, according to a type of seek operation, according to a seek direction, according to a track location, and according to seek length.
摘要翻译： 基于结算时间估计器反馈的数据存储装置中的排队命令的旋转位置重新排序的方法，装置和制品。 初始定时估计被编程到用于数据存储设备的伺服控制器中。 由于在数据存储装置中执行数据操作，因此通常通过在伺服控制器中使用定时器来测量数据操作的实际结算时间。 然后，基于实际的结算时间来修改定时时间估计，并且基于确定时间估计重新排序或调度数据操作。 具体地，基于数据操作的成功率来调整结算时间估计，其中成功率包括实际结算时间与结算时间估计的比较。 当结算时间估计大于实际结算时间时，从结算时间估计中减去第一Δ值，并且当结算时间估计小于实际结算时间时，将第二增量值加到结算时间估计中。 可以根据各种特征使用不同的结算时间估计，即，根据搜索方式，根据搜索方向，根据轨道位置，并且根据搜索方式，根据搜索操作的类型，数据存储设备中的不同换能器的安息时间估计不同 寻求长度。
-
10.发明授权System and method for determining when hard disk drive power amplifier is saturated 失效确定何时硬盘驱动器功率放大器饱和的系统和方法
公开(公告)号：US6088188A
公开(公告)日：2000-07-11
申请号：US798529
申请日：1997-02-10
CPC分类号： G11B21/083 , G11B5/5534 , G11B5/5547
摘要： In a hard disk drive, a head actuator periodically is caused to undertake a calibration seek such that the power amplifier that energizes the head actuator is saturated. The predicted distance moved by the head during the calibration seek is compared to the actual distance moved, and the ratio of the two distances is then used to determine the saturation current of the power amplifier. For a subsequent seek, if the saturation current is less than the current requested for the subsequent seek, the saturation current is input into the head position prediction model. Otherwise, the requested current is used.
摘要翻译： 在硬盘驱动器中，周期性地引导头致动器进行校准寻求，使得激励头致动器的功率放大器饱和。 将在校准寻找期间头部移动的预测距离与移动的实际距离进行比较，然后使用两个距离的比率来确定功率放大器的饱和电流。 对于随后的寻找，如果饱和电流小于随后寻找所请求的电流，则饱和电流被输入到头部位置预测模型中。 否则，使用请求的电流。
-
-
-
-
-
-
-
-
-
搜索结果
40 条记录 (耗时 0.026 秒)
