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Fast Initial Alignment and Its Errors of RLG Strapdown Inertial Navigation System for Land Vehicle
Author(s): 
Pages: 205-209
Year: Issue:  2
Journal: JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY

Keyword:  激光陀螺(RLG)加速度计初始对准寻北;
Abstract: 研究车载激光陀螺(RLG)捷联惯导系统的快速初始对准技术.采用双位置对准的技术方案,给出了双位置初始对准的基本原理及软件流程,对对准精度进行了实际测试,并对影响对准精度的误差源进行了分析.双位置对准方案,消除了陀螺常值漂移和加速度计零偏对对准精度的影响.此外,在对准的同时标定出3个陀螺常值漂移和3个加速度计零偏,在导航状态予以补偿,有效地提高了导航定位精度.
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