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1. 发明公开

EP3301426A1 CALIBRATION APPARATUS, CALIBRATION METHOD, AND MEASURING SYSTEM 有权
标题翻译：校准装置，校准方法和测量系统
公开(公告)号：EP3301426A1
公开(公告)日：2018-04-04
申请号：EP17192362.6
申请日：2017-09-21
申请人： General Electric Company
发明人： ZHOU, Ronghui , SIPILA, Pekka Tapani , LU, Dan Tho , FU, Xu
IPC分类号： G01L25/00
CPC分类号： G01R33/0035 , G01L1/125 , G01L3/00 , G01L25/00 , G01P3/44 , G01R33/0017 , G01R35/005
摘要： A calibration apparatus 120 is configured to calibrate a magnetostrictive sensor. The magnetostrictive sensor 110 is configured to measure an object 900 and comprises a sensing element positioned adjacent to the object. The calibration apparatus comprises an estimation device 130 and a calibrator 140. The estimation device 130 is configured to estimate at least one of a gap between the sensing element and the object and a temperature of the object to obtain at least one of an estimated gap and an estimated temperature, based on geometric information, an excitation signal and an output signal of the magnetostrictive sensor, and geometric information of the object. The calibrator 140 is configured to reduce an effect on the output signal of the magnetostrictive sensor imposed by variations in the at least one of the gap and the temperature, based on the at least one of the estimated gap and the estimated temperature, to obtain a calibrated output signal.
摘要翻译：校准设备120被配置成校准磁致伸缩传感器。磁致伸缩传感器110被配置为测量物体900并且包括位于物体附近的传感元件。校准装置包括估计装置130和校准器140.估计装置130被配置为估计感测元件与对象之间的间隙和对象的温度中的至少一个，以获得估计的间隙和温度中的至少一个基于几何信息的估计温度，磁致伸缩传感器的激励信号和输出信号以及物体的几何信息。校准器140被配置为基于估计的间隙和估计的温度中的至少一个来减小由间隙和温度中的至少一个的变化施加的对磁致伸缩传感器的输出信号的影响，以获得校准输出信号。

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