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    • 1. 发明公开
    • Dynamic motion sensor calibration system and method for calibrating a dynamic motion sensor
    • 系统用于校准动态运动传感器和方法用于校准动态运动传感器
    • EP2437070A1
    • 2012-04-04
    • EP11196157.9
    • 2008-11-20
    • The Modal Shop, Inc.
    • Sill, Robert D.Schiefer, Mark I.Moses, Joshua B.
    • G01P21/00G01P21/02G01D18/00
    • G01P21/00G01D18/00G01P21/02
    • The invention disclosed includes a method for determining the magnitude and phase calibration of dynamic motion sensors (SUTs), such as accelerometers, velocimeters, and dynamically responding displacement transducers at low vibration frequencies, using an optical encoder as the reference. To calibrate the sensitivity, the dynamic motion sensor is mounted to a shaker mechanism which imparts harmonic linear motion in the axis of the sensitivity of the sensor. In the case of an accelerometer, the mechanism commonly includes another accelerometer as a reference sensor. However, the output of conventional reference accelerometers becomes inadequate at low frequencies. The subject of this patent is an optical encoder to measure the displacement, at frequencies at which the optical measurement is more accurate than that of an accelerometer or other dynamic motion sensor.
    • 游离缺失本发明盘包括用于确定性采矿的方法动态运动传感器(SUT)的幅度和相位校准:诸如加速度计,速度计,和在低振动频率动态响应位移传感器,利用在光学编码器为基准。 为了校准灵敏度,动态运动传感器被安装到摇动器机构赋予在传感器的灵敏度的轴线谐波线性运动。 在一个加速度计的情况下,该机构通常包括另一个加速度计作为参考传感器。 然而,常规的加速度计参考的输出变为在低频不足。 这个专利的主题是测量的位移,在在其中,所述光学测量比加速度计或其他动态运动传感器的更精确的频率的光学编码器。
    • 5. 发明公开
    • Dynamic motion sensor calibration system and method for calibrating a dynamic motion sensor
    • 系统用于校准动态运动传感器和方法用于校准动态运动传感器
    • EP2063275A2
    • 2009-05-27
    • EP08020211.2
    • 2008-11-20
    • The Modal Shop, Inc.
    • Sill, Robert D.Schiefer, Mark I.Moses, Joshua B.
    • G01P21/00G01P21/02G01D18/00
    • G01P21/00G01D18/00G01P21/02
    • The invention disclosed includes a method for determining the magnitude and phase calibration of dynamic motion sensors (SUTs), such as accelerometers, velocimeters, and dynamically responding displacement transducers at low vibration frequencies, using an optical encoder as the reference. To calibrate the sensitivity, the dynamic motion sensor is mounted to a shaker mechanism which imparts harmonic linear motion in the axis of the sensitivity of the sensor, In the case of an accelerometer, the mechanism commonly includes another accelerometer as a reference sensor. However, the output of conventional preference accelerometers becomes inadequate at low frequencies. The subject of this patent is an optical encoder to measure the displacement, at frequencies at which the optical measurement is more accurate than that of an accelerometer or other dynamic motion sensor.
    • 游离缺失本发明盘包括用于确定性采矿的方法动态运动传感器(SUT)的幅度和相位校准:诸如加速度计,速度计,和在低振动频率动态响应位移传感器,利用在光学编码器为基准。 为了校准灵敏度,动态运动传感器被安装到摇动器机构赋予在传感器的灵敏度的轴线谐波直线运动,在一个加速度计的情况下,该机构通常包括另一个加速度计作为参考传感器。 然而,常规的加速度计的偏好的输出变为在低频不足。 这个专利的主题是测量的位移,在在其中,所述光学测量比加速度计或其他动态运动传感器的更精确的频率的光学编码器。