The core inertial navigation of the LIMU-15 laser Type inertial navigation system consists of a three-axis type 30 laser gyroscope combined with a three-axis quartz flexible accelerometer. It primarily includes: secondary power supply, navigational computer, current frequency conversion circuit, gyro control board, gyroscope, accelerometer, and mechanical structure. Key functions. ● can provide real-time information onlocation, heading, horizontal attitude, velocity, and angular velocity ● Under the condition that the guidance information is valid, initial alignment can be completed while in motion. ● Be of self-correction and data storage ● Coordinate systems can be aligned with other devices through parameter settings.