李昌,周松斌,韩威

• 1:广东省智能制造研究所

摘要(Abstract)：

电涡流位移传感器在测量不同位移时有不同的温度灵敏度系数。单一的曲线拟合方法无法实现全量程的温度补偿。在温箱中收集多个指定位移处线圈电压的温飘数据,并拟合成曲线,根据这些曲线和传感器内线圈的温度可得到指定位移处线圈电压。用最小二乘法拟合指定位移和线圈电压得到一个多项式方程。把线圈电压值代入该方程可得到与温度无关的位移量,实现温度补偿。采用DMA中断和后台程序相结合的方法,使得传感器具有高动态响应。

关键词(KeyWords)： 电涡流位移传感器;温度补偿;最小二乘法;在线拟合;高动态响应;DMA中断

Abstract:

Keywords:

基金项目(Foundation): 广东省科技项目(2016B090918061,2015B090901025,2014A010104010,2015A010103008)~~

作者(Author): 李昌,周松斌,韩威

DOI: 10.16652/j.issn.1004-373x.2018.05.030

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