拉线传感器变角度工作条件下的校准

Calibration of pull wire displacement sensor under variable angle working condition

为了解决静强度变形测量试验中,拉线传感器两维角度偏转引入的测量问题,采用转台提供标准偏转角度、拉线传感器正交安装测试的方法,突破了变角度工作条件下的拉线传感器校准技术,提出了基于正交安装的灵敏度系数校准方法,构建了校准装置,并通过两个正交方向的灵敏度系数合成,提出了拉线传感器正交误差模型的建立方法,最终为拉线传感器变角度工作条件下的现场误差测算提供了方案,实现了静强度试验中变形量测量的快速评定。拉线传感器校准方法的探索,对其在测试领域的应用起到了促进作用。

In order to solve the measurement problem caused by the two-dimensional angle deflection of the pull wire sensor in the static strength deformation measurement test,the turntable provided the standard deflection angle,and the method of orthogonal installation test broke through the calibration technology of the pull wire sensor under the variable angle working condition,and the sensitivity coefficient calibration method based on the orthogonal installation proposed.The calibration device constructed,and through the synthesis of the sensitivity coefficients in two orthogonal directions,The establishment method of the orthogonal error model of the pull wire sensor proposed,which finally provided a scheme for the field error measurement under the variable angle working condition,realized the rapid evaluation of the deformation measurement in the static strength test,and the exploration of the calibration method of the pull wire sensor,promotes its application in other testing fields.