Feed forward control of voice coil motor induced microactuator disturbance
    1.
    发明授权
    Feed forward control of voice coil motor induced microactuator disturbance 有权
    音圈电机前馈控制引起微致动器干扰

    公开(公告)号:US06778350B2

    公开(公告)日:2004-08-17

    申请号:US09877345

    申请日:2001-06-08

    IPC分类号: G11B5596

    CPC分类号: G11B5/5552

    摘要: A method is used for moving a transducing head between tracks of a disc in a dual-stage actuation assembly. The dual-stage actuation assembly has a main actuator for coarse positioning of the transducing head and a microactuator for fine positioning of the transducing head. The method comprises accelerating the main actuator during coarse positioning of the transducing head and applying control pulses to the microactuator during coarse positioning by the main actuator to eliminate oscillation of the microactuator during and after coarse positioning.

    摘要翻译: 一种方法用于在双级致动组件中的盘的轨道之间移动换能头。 双级致动组件具有用于传感头粗略定位的主致动器和用于精细定位换能头的微致动器。 该方法包括在粗略定位转换头期间加速主致动器,并且通过主致动器粗略定位期间将控制脉冲施加到微致动器,以消除粗定位期间和之后的微致动器的振荡。

    Co-located microactuator lever assembly
    3.
    发明授权
    Co-located microactuator lever assembly 失效
    同轴微致动器杆组件

    公开(公告)号:US07466520B2

    公开(公告)日:2008-12-16

    申请号:US10960266

    申请日:2004-10-07

    IPC分类号: G11B5/56 G11B21/21

    摘要: A suspension comprises a load beam having a leading portion and a trailing portion, a gimbal sheet mounted to the leading portion and forming a first pad, a second pad, and a displacement lever assembly including at least a first lever arm having a first end adjacent and connected to the first pad and a second end opposite the first end and connected to the second pad. The displacement lever assembly is configured to translate a linear displacement of the first pad to a differing displacement of the second pad. The suspension comprises a piezoelectric element attached to the first pad and extending across the second pad.

    摘要翻译: 悬架包括具有引导部分和后部的负载梁,安装到引导部分并形成第一焊盘,第二焊盘和位移杆组件的万向片,其包括至少第一杠杆臂,所述第一杠杆臂具有相邻的第一端 并且连接到第一焊盘和与第一端相对的第二端并且连接到第二焊盘。 位移杆组件构造成将第一垫的线性位移平移到第二垫的不同位移。 悬架包括附接到第一焊盘并延伸穿过第二焊盘的压电元件。

    Suspension assembly with molded structures
    4.
    发明授权
    Suspension assembly with molded structures 有权
    具有模制结构的悬挂组件

    公开(公告)号:US08194351B2

    公开(公告)日:2012-06-05

    申请号:US11102055

    申请日:2005-04-08

    IPC分类号: G11B5/48

    CPC分类号: G11B5/4833

    摘要: A support assembly includes a base layer, a circuit defined along the base layer, and a first material molded on at least a portion of the base layer. The first material substantially forms a shape of at least a portion of the support assembly. Further disclosed is a molded suspension assembly. The molded suspension assembly includes a thin and elongate metallic substrate and a non-metallic material molded along at least a portion of one side of the metallic substrate. The non-metallic material interlocks with the metallic substrate. The molded suspension assembly includes a transducer support area at or near a first end of the molded suspension assembly.

    摘要翻译: 支撑组件包括基底层,沿基底层限定的电路以及模制在基底层的至少一部分上的第一材料。 第一材料基本上形成支撑组件的至少一部分的形状。 进一步公开的是模制悬挂组件。 模制的悬挂组件包括薄且细长的金属基底和沿着金属基底的一侧的至少一部分模制的非金属材料。 非金属材料与金属基底互锁。 模制的悬挂组件包括在模制的悬挂组件的第一端处或附近的换能器支撑区域。

    Feedback controller parameter generation with stability monitoring
    9.
    发明授权
    Feedback controller parameter generation with stability monitoring 有权
    反馈控制器参数生成具有稳定性监控

    公开(公告)号:US09594358B2

    公开(公告)日:2017-03-14

    申请号:US12770868

    申请日:2010-04-30

    IPC分类号: G01M1/00 G05B13/02

    CPC分类号: G05B13/025

    摘要: Stability of a control system for a materials testing system using specified filter parameters is confirmed by inputting to the control system a test signal having a predetermined waveform, automatically monitoring the output of the materials testing system, and automatically comparing the output to a threshold. If the output exceeds the threshold, a first action is taken. If the output does not exceed the threshold, input of a command signal to the control system is permitted.

    摘要翻译: 通过向控制系统输入具有预定波形的测试信号,自动监测材料测试系统的输出以及自动将输出与阈值进行比较来确认用于使用指定滤波器参数的材料测试系统的控制系统的稳定性。 如果输出超过阈值,则采取第一个动作。 如果输出不超过阈值,则允许向控制系统输入命令信号。