基于惯性导航系统的轨道检查仪双位置对准方法

doi:10.13474/j.cnki.11-2246.2017.0072

测绘通报 ›› 2017, Vol. 0 ›› Issue (3): 5-8.doi: 10.13474/j.cnki.11-2246.2017.0072

基于惯性导航系统的轨道检查仪双位置对准方法

张新春, 崔希民

中国矿业大学地球科学与测绘工程学院, 北京 100083

收稿日期:2016-11-09 修回日期:2017-01-17 出版日期:2017-03-25 发布日期:2017-03-31
作者简介:张新春(1976-),男,博士生,研究方向为惯性组合导航与轨道检测。E-mail:22501139@qq.com
基金资助:
国家自然科学基金面上项目（51474217）

Two-position Alignment Method for Inertial Navigation System of Rail Tester

ZHANG Xinchun, CUI Ximin

College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China

Received:2016-11-09 Revised:2017-01-17 Online:2017-03-25 Published:2017-03-31

摘要/Abstract

摘要： 为提高轨道检查仪惯性导航系统对准精度，提出适用于轨道检查仪的惯性导航系统双位置对准方法。该方法利用轨道检查仪掉头方式，实现惯导系统加速度计常值零偏补偿。选用0.1°/h光纤陀螺仪和200 μg石英挠性加速度计组成惯性导航系统，在一铁路路段进行轨道检测试验。试验结果表明，双位置对准方法能够有效去除惯性器件零偏误差导致的轨道参数检测误差，在轨检仪连续工作300 m的情况下，铁路轨道水平检测精度明显提高。

关键词: 惯性导航系统, 轨道检查仪, 双位置对准

Abstract: In order to improve the alignment accuracy of inertial navigation system in rail tester, a two position alignment method for the inertial navigation system is proposed, which is using of u-turn mode, to achieve inertial navigation system accelerometer constant bias compensation. Select 0.1°/h FOG and 200 μg flexible quartz accelerometers making up inertial navigation system, and carry out a test. The results showed that the two position alignment method can effectively remove the orbital parameters detection error causing by inertial devices bias error. Continuous operation for 300 m, the railroad level detection accuracy is significantly improved.

Key words: inertial navigation system, rail tester, two position alignment

中图分类号:

P228

张新春, 崔希民. 基于惯性导航系统的轨道检查仪双位置对准方法[J]. 测绘通报, 2017, 0(3): 5-8.

ZHANG Xinchun, CUI Ximin. Two-position Alignment Method for Inertial Navigation System of Rail Tester[J]. 测绘通报, 2017, 0(3): 5-8.

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基于惯性导航系统的轨道检查仪双位置对准方法

Two-position Alignment Method for Inertial Navigation System of Rail Tester

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