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    • 1. 发明申请
    • System and method for controlling actuator position
    • 控制执行器位置的系统和方法
    • US20080163750A1
    • 2008-07-10
    • US11650267
    • 2007-01-05
    • Qinghui YuanChristy W. SchottlerJae Y. Lew
    • Qinghui YuanChristy W. SchottlerJae Y. Lew
    • F15B15/28F15B13/16G05D7/06
    • F15B9/09F15B11/08F15B13/0402F15B21/087F15B2211/6309F15B2211/6313F15B2211/6336F15B2211/634F15B2211/6346F15B2211/6656
    • An method for estimating actuator position includes the steps of receiving fluid pressure data signals from a plurality of fluid pressure sensors (31), receiving spool position signals from at least one spool position sensor (33), and receiving actuator position data signals from at least one actuator position sensor (35). Corrected flow rates to and from an actuator (21) are determined with each corrected flow rate being based on fluid pressure data signals, the spool position signals, and an error-correction factor, wherein the error-correction factor is a function of the fluid pressure data signals and the spool position signals. An estimated actuator position is determined wherein the estimated position includes a kinematic component and a dynamic component. Adaptive gain factors are applied to calibrate the estimated actuator position to the actuator position data signals from the actuator position sensor.
    • 一种用于估计致动器位置的方法包括以下步骤:从多个流体压力传感器(31)接收流体压力数据信号,从至少一个阀芯位置传感器(33)接收阀芯位置信号,以及从至少接收致动器位置数据信号 一个致动器位置传感器(35)。 通过每个校正流量基于流体压力数据信号,阀芯位置信号和误差校正因子来确定进给和来自致动器(21)的校正流量,其中误差校正因子是流体的函数 压力数据信号和阀芯位置信号。 确定估计的致动器位置,其中估计位置包括运动分量和动态分量。 应用自适应增益因子来校准来自致动器位置传感器的致动器位置数据信号的估计致动器位置。
    • 2. 发明授权
    • System and method for controlling actuator position
    • 控制执行器位置的系统和方法
    • US07518523B2
    • 2009-04-14
    • US11650267
    • 2007-01-05
    • Qinghui YuanChristy W. SchottlerJae Y. Lew
    • Qinghui YuanChristy W. SchottlerJae Y. Lew
    • G08B21/00
    • F15B9/09F15B11/08F15B13/0402F15B21/087F15B2211/6309F15B2211/6313F15B2211/6336F15B2211/634F15B2211/6346F15B2211/6656
    • A method for estimating actuator position includes the steps of receiving fluid pressure data signals from a plurality of fluid pressure sensors (31), receiving spool position signals from at least one spool position sensor (33), and receiving actuator position data signals from at least one actuator position sensor (35). Corrected flow rates to and from an actuator (21) are determined with each corrected flow rate being based on fluid pressure data signals, the spool position signals, and an error-correction factor, wherein the error-correction factor is a function of the fluid pressure data signals and the spool position signals. An estimated actuator position is determined wherein the estimated position includes a kinematic component and a dynamic component. Adaptive gain factors are applied to calibrate the estimated actuator position to the actuator position data signals from the actuator position sensor.
    • 一种用于估计致动器位置的方法包括以下步骤:从多个流体压力传感器(31)接收流体压力数据信号,从至少一个阀芯位置传感器(33)接收阀芯位置信号,以及从至少接收致动器位置数据信号 一个致动器位置传感器(35)。 通过每个校正流量基于流体压力数据信号,阀芯位置信号和误差校正因子来确定进给和来自致动器(21)的校正流量,其中误差校正因子是流体的函数 压力数据信号和阀芯位置信号。 确定估计的致动器位置,其中估计位置包括运动分量和动态分量。 应用自适应增益因子来校准来自致动器位置传感器的致动器位置数据信号的估计致动器位置。