Fiber Optic Inertial Integrated Navigation System

GI700 is a small fiber-optic inertial integrated navigation system developed by BWSENSING, which combines three-axis integrated fiber-optic IMU and satellite navigation for combined navigation. It is used to measure the position, velocity and attitude of the carrier in three directions, and output the angular velocity and acceleration of the three axes at the same time. The fiber-optic inertial navigation system includes a three-axis integrated fiber-optic gyroscope and a three-axis integrated accelerometer. The accelerometer is sensitive to and measures the three-axis acceleration signal of the carrier, while the gyroscope is sensitive to and measures the three-axis angular velocity signal of the carrier. After compensation and solution, the position, velocity and attitude of the carrier are obtained; at the same time, Kalman filtering is used to effectively fuse INS and GNSS information to obtain the optimal estimation of position, velocity and attitude, thereby improving the reliability and stability of the fiber-optic inertial navigation system.