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    • 3. 发明申请
    • VARIABLE STOPWRITE THRESHOLD WITH VARIABLE SMOOTHING FACTOR
    • 具有可变平滑因子的可变停止门限
    • WO2014012177A1
    • 2014-01-23
    • PCT/CA2013/050484
    • 2013-06-21
    • INTERNATIONAL BUSINESS MACHINES CORPORATIONIBM CANADA LIMITED-IBM CANADA LIMITEE
    • BUI, Nhan X.JUDD, Kevin B.TAKETOMI, Tomoko
    • G11B5/02G11B5/008
    • G11B5/00817G11B5/0083G11B5/09G11B5/584G11B20/10388G11B27/36
    • In one embodiment, a data storage system includes a head; a drive mechanism for passing a medium over the head; a controller electrically coupled to the head; logic encoded in or available to the controller for: periodically determining a stopwrite threshold based on a standard deviation or a variance at a current position error signal sample, wherein a smoothing factor applied to a subsequent calculation of the standard deviation or variance is altered based at least in part on a current magnitude of the standard deviation or the variance; determining whether the current position error signal sample exceeds the stopwrite threshold; disabling writing when the current position error signal sample exceeds the stopwrite threshold; and l enabling writing when the current position error signal sample does not exceed the stopwrite threshold. Other systems, methods, and computer program products are described according to more embodiments.
    • 在一个实施例中,数据存储系统包括头部; 用于使介质通过头部的驱动机构; 控制器电耦合到头部; 编码在或可用于控制器的逻辑,用于:基于当前位置误差信号样本的标准偏差或方差周期性地确定停止写入阈值,其中应用于随后的标准偏差或方差的计算的平滑因子基于 至少部分地基于当前的标准偏差或方差的大小; 确定当前位置误差信号样本是否超过限制写入阈值; 当当前位置错误信号样本超过限制写入阈值时禁止写入; 以及当当前位置误差信号样本不超过限制写入阈值时,使能写入。 根据更多实施例描述其它系统,方法和计算机程序产品。
    • 4. 发明申请
    • METHOD OF ENCAPSULATING DIVERSE USER INTERFACE COMPONENTS WHILE CONSISTENTLY ENFORCING EXTERNAL CONSTRAINTS
    • 在一致执行外部约束条件下封装多个用户界面组件的方法
    • WO2014008591A1
    • 2014-01-16
    • PCT/CA2013/050481
    • 2013-06-21
    • INTERNATIONAL BUSINESS MACHINES CORPORATIONIBM CANADA LIMITED-IBM CANADA LIMITEE
    • BOYER, John M.MALKIN, Wayne A.TAYLOR, Brent A.
    • G06F17/00G06Q10/00
    • G06F17/212G06F17/2247G06F17/243G06F17/30893
    • A computer-implemented method, apparatus, and computer readable storage medium encapsulate user interface components that collect data for a case management solution, while consistently enforcing metadata and constraints. Multiple types of interactive documents are supported, and a configuration indicates the type whose user interface components are to be encapsulated. A wrapper widget is created based on the interactive document type and implements an interface that enables it to interact externally with the case management environment and internally with the interactive document. The wrapper widget injects case property data values, metadata and/or constraints from the case management environment into the interactive document, which then enables editing of the case property data values and the effecting of the metadata and/or enforcing of the constraints. The wrapper widget is responsive to requests from the case management environment to validate and persist the interactive document to a case of the case management solution.
    • 计算机实现的方法,装置和计算机可读存储介质封装用于案例管理解决方案收集数据的用户界面组件,同时始终执行元数据和约束。 支持多种类型的交互式文档,配置指示要封装其用户界面组件的类型。 基于交互式文档类型创建包装小部件,并实现一个界面,使其能够与外部管理环境进行外部交互,并在内部与交互式文档进行交互。 包装器小部件将案例属性数据值,元数据和/或约束从案例管理环境注入到交互式文档中,然后可以编辑案例属性数据值,以及影响元数据和/或执行约束。 包装器部件响应于来自案件管理环境的请求以将交互式文档验证并保持在案例管理解决方案的情况。
    • 8. 发明申请
    • VIBRATION DISTURBANCE ESTIMATION AND CONTROL
    • 振动扰动估计与控制
    • WO2013188974A1
    • 2013-12-27
    • PCT/CA2013/050468
    • 2013-06-18
    • INTERNATIONAL BUSINESS MACHINES CORPORATIONIBM CANADA LIMITED-IBM CANADA LIMITEE
    • PANTAZI, AngelikiBUI, Nhan XuanJELITTO, Jens
    • G11B5/584G11B5/008
    • G11B5/584
    • A tape drive configured to accurately position a head actuator in the presence of physical disturbances is disclosed. The tape drive includes a track-follow controller to position a head actuator over data tracks on magnetic tape. The tape drive further includes a disturbance observer configured to estimate a vibration disturbance and output a compensation signal to assist the track- follow controller to accurately position the head actuator over the data tracks in the presence of vibration. When estimating the vibration disturbance, the disturbance observer takes into account vibration frequency characteristics, such as frequency characteristics derived from a vibration specification associated with the tape drive, or frequency characteristics derived from known vibration disturbances experienced by the tape drive. A corresponding method is also disclosed.
    • 公开了一种配置成在存在物理扰动的情况下精确地定位头致动器的磁带驱动器。 磁带驱动器包括轨道跟随控制器,用于将磁头执行器定位在磁带上的数据轨道上。 磁带驱动器还包括被配置为估计振动干扰并输出补偿信号的扰动观察器,以帮助跟踪控制器在存在振动的情况下将磁头致动器精确地定位在数据磁道上。 当估计振动扰动时,扰动观测器考虑振动频率特性,例如从与磁带驱动相关联的振动规范得到的频率特性,或由磁带机所经历的已知振动干扰导出的频率特性。 还公开了相应的方法。