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Drones have gradually entered everyone's field of vision recently. Due to its simple and reliable construction, quadcopter drones have the functions of vertical takeoff and landing, fixed-point hovering, and flying in small spaces, and have been widely valued and applied in multiple fields.

In the key technology of quadcopter unmanned aerial vehicle systems, the navigation system is one of its main components, which undertakes the mission of providing parameters such as aircraft orientation, speed, and attitude. Because a single navigation system is difficult to meet the application requirements of drones, combining two or more different navigation systems in an appropriate way for combined navigation has better functionality than using any navigation system alone.

The GINS100 MEMS integrated navigation attitude system developed by Huilian Technology is a high-performance integrated navigation system consisting of a 12 °/h MEMS gyroscope, a 100 µ g MEMS accelerometer, a GPS/BD receiver, and a navigation computer. It has functions such as inertial/satellite integrated navigation, dynamic positioning and orientation. It can measure the heading, pitch, roll, speed, position, angular velocity, acceleration and other information of the carrier, and has the characteristics of small size, light weight, and high cost-effectiveness, which is very suitable for use in unmanned aerial vehicle systems.