三轴磁传感器系统的在线标定

盛蔚; 蒋勇

doi:10.15892/j.cnki.djzdxb.2015.03.044

2015 , Vol. 35 >Issue 3: 179 - 182

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2015.03.044

摘要

现有的三轴磁传感器的标定方法对于设备的要求过高,系统不能够独立完成标定工作。针对此种情况,提出三轴磁传感器系统的在线标定算法,建立三轴磁传感器系统误差模型,采用椭球曲面拟合三轴磁场数据,利用递推法计算标定参数。达成了传感器系统本身在线独立完成标定的目的,并对在线标定参数的可信度提出了评价方法。通过实验验证了在线标定方法的有效性和在线标定参数可信度评价方法的有效性。

关键词： 磁传感器; 在线标定; 椭球拟合; 递推最小二乘法

本文引用格式

盛蔚 , 蒋勇 . 三轴磁传感器系统的在线标定[J]. 弹箭与制导学报, 2015 , 35(3) : 179 -182 . DOI: 10.15892/j.cnki.djzdxb.2015.03.044

Abstract

Available calibration methods for three-axis magnetic sensor systems overclaim for equipment, systems cannot complete calibration independently. Regarding the situation, an online calibration method was proposed. With this method, three-axis magnetic sensor system could complete calibration independently. A method for evaluating credibility of the online calibration parameters was also put forward in the paper. The validity of the online calibration method and online calibration parameter evaluation method was proved to be effective by a series of experiments.

Key words： magnetic sensor; online calibration; ellipsoid fitting; recursive least-squares method

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