摘要
三轴整体式速率偏频激光陀螺由于总是绕其对称轴做等角速率的正负旋转运动 ,通过传统的位置法和旋转法无法对用其构成的捷联式惯导系统进行标定。文中讨论了速率偏频激光陀螺在系统中的精确标定方法 ,指出该方法需要特殊的转台设备 ,目前尚无法满足 ,因此提出了一种结合光学方法测量陀螺安装误差角。这种方法利用速率偏频转台自身的旋转角速率对陀螺刻度系数和常值漂移进行简易标定的方法 ,实验表明该方法可满足系统导航要求。
The triad rate biased Ring Laser Gyro can effectively overcome the dead zone,and greatly improve its accuracy,while the calibration of RLG in its strapdown INS is difficult.This paper discusses the RLG calibration method,and points out that the precise calibration of the rate biased RLG need special equipment that is not available at present.Then a simple calibration method via the optical measure and using the bias rate of the rate table is presented. The system application show that it can meet the requirements of the system navigation.
出处
《中国惯性技术学报》
EI
CSCD
2001年第3期44-47,共4页
Journal of Chinese Inertial Technology
基金
"九五"国防预研项目 (9.2 .5 )
