惯性/偏振光组合定姿技术研究  

The Research of INS/Polarized Light Integrated Attitude Determination Technology

作　　者：冯路明 高磊[1,2] 刘准[1,2] 

机构地区：[1]北京航天自动控制研究所,北京100854 [2]宇航智能控制技术国家级重点实验室,北京100854

出　　处：《航天控制》2015年第2期26-31,共6页Aerospace Control

摘　　要：惯性导航系统是一种全参数、全天候的自主导航系统,但其姿态误差随时间发散。太阳光在大气中传播时在天空具有稳定的偏振模式,惯性/偏振光组合定姿系统就是利用偏振光中的方位信息实现惯性导航系统姿态角误差的估计。研究了惯性/偏振光组合定姿系统模型,利用跑车试验数据对所设计的组合定姿系统进行了仿真。结果表明:惯性导航系统引入偏振光导航信息后,可以有效地抑制惯性导航姿态角误差发散的趋势,提高姿态精度,满足中等精度姿态参考系统的需求。The inertial navigation system is an autonomous navigation system which can output all the navigation parameters and can not be influenced by weather, but its pose angle error is increasing with time. Sunlight has the steady polarization mode when it is transmitting in the atmosphere. By using the ori- entation information of the polarized light, INS/polarized light integrated attitude determination system can estimate the pose error of the INS. The model of INS/polarized light integrated attitude determination system is studied and simulated by running test data. The result shows that, when the polarization information is imported into the INS, the pose angle error is restrained, and the pose precision is improved, which fullfills the requirements of medium attitude determination system percision.

关 键 词：惯性导航 偏振光导航 组合定姿 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]