捷联惯测组合快速标定方法  

Rapid Calibration Method of Strap-down Inertial Measurement Unit

作　　者：王志伟[1] 侯书铭[1] 

机构地区：[1]第二炮兵工程学院,西安710025

出　　处：《导弹与航天运载技术》2011年第6期43-47,共5页Missiles and Space Vehicles

摘　　要：结合现行捷联惯测组合标定时间长、操作复杂的实际,针对目前几种捷联惯测组合快速标定方法中存在的问题,提出了一种"12位置+速率"标定的快速标定方法。在粗调平免对北的条件下,将速率标定与位置标定结合进行,大大缩短了标定时间。进行了更为合理的位置编排,使得标定结果精度更接近精确调平对北条件下的标定结果。进行了误差系数分离的推导,并给出了标定流程。采用该方法使得快速标定的精度得到了进一步改善。A rapid calibration method of the SIMU of＂12 position and rate＂ is proposed in this article, as the fact that the current calibration takes a long time and is very complicated. In this method, the rate is calibrated in the intermission of the position-calibration under the condition of coarse leveling and aiming north, which reduces the calibration time a lot. The more reasonable arrangement of the position makes the calibration results more close to that of the precise leveling and north aiming. Finally, this article deduces the separation algorithm of error coefficients and gives the calibration flow. It is proved that the method makes the accuracy of rapid calibration have been further improved.

关 键 词：捷联惯测组合 快速标定 陀螺 加速度计 

分 类 号：V249.32[航空宇航科学与技术—飞行器设计]