惯导系统拐弯状态下姿态角误差变化研究  

Research on Attitude Error Change of the INS under the Turning

作　　者：周斌[1] 王巍[2] 何小飞[2] 

机构地区：[1]北京航空航天大学仪器科学与光电工程学院,北京100191 [2]北京航天控制仪器研究所,北京100854

出　　处：《航天控制》2014年第3期7-11,共5页Aerospace Control

摘　　要：由于水平姿态角误差的大小对导航结果影响非常大,通过研究车载试验过程中水平方向欧拉角误差大小发生"跳变"的现象,找出影响拐弯状态下水平姿态角误差变化的因素。首先对转动前后失准角变化大小进行了定量分析;然后推导出欧拉角误差和失准角之间关系式,得出产生欧拉角误差变化的原因;最后通过仿真和试验对上述结论进行验证。Horizontal attitude angle errors have big impact on the navigation result.Through researching on the Euler angle error ＂jump＂ phenomenon during the vehicle test process,the influence factors that produce attitude angle error under the turning are discovered.Firstly,the change of the misaligned angle is analyzed quantitatively before and after the turning,and then the relation formulation is derived between the Euler angle error and misaligned angle and the reason why Euler angle error change is found out.Finally,the conclusions are drawn by the simulation and test.

关 键 词：惯导系统 定量分析 欧拉角误差 失准角 

分 类 号：V19[航空宇航科学与技术—人机与环境工程]