旋转光纤陀螺捷联式惯性导航系统  

Study on the Strapdown Inertial Navigation System with Rotating Fiber Optic Gyro

作　　者：刘勇[1] 蔡体菁[2] 芶志平 宋军[1] 

机构地区：[1]四川压电与声光技术研究所,重庆400060 [2]东南大学仪器科学与工程学院,江苏南京210096

出　　处：《压电与声光》2009年第3期315-318,共4页Piezoelectrics & Acoustooptics

摘　　要：为了在现有惯性传感器水平的条件下提高捷联式惯性导航系统的性能,研制了旋转光纤陀螺捷联式惯性导航系统。该系统由惯性敏感单元、转动机构、高速导航计算机和I/O接口等组成,惯性敏感单元被安置在转动机构上,并作连续周期运动。对该旋转光纤陀螺捷联式惯性导航系统进行了室内转台和室外跑车试验,该系统俯仰角和横滚角误差小于0.1°,航向角误差小于0.4°,定位误差小于90 m/h。对惯性传感器作温度误差补偿工作,该导航系统的定位定向精度还将能进一步提高。In order to improve the performance of the navigation system based on our present level of inertial sensors, a strapdown inertial navigation system prototype with rotating fiber optic gyro was developed in Sichuan Institute of Piezoelectric and Acoustooptie Technology. The prototype was composed of the inertial sensitive unit, rotating configuration, high-speed navigation computer, I/O interface and other modules. The inertial sensitive unit is rotated around its vertical axis with periodic, clockwise and counterclockwise revolution in navigation. Experimental testing of the prototype was performed in the turntable and the outdoor vehicle. The results showed that the pitch and roll errors of the prototype were less than 0.1° and the heading error was not larger than 0. 4°, and the positioning error is within 90 meters per hour. The position and direction accuracy of the navigation system can be improved further when the temperature errors of the inertial sensor are compensated.

关 键 词：光纤陀螺 捷联惯性导航系统 定位定向 

分 类 号：U666[交通运输工程—船舶及航道工程]