In order to obtain high-precision geospatial data,a remote sensing system of multi rotor UAV based on remote control technology is designed.The multi rotor UAV is equipped with cameras and sensor equipment to collect the flight environment images,attitude and position data of the multi rotor UAV in real time,and use the data transmission radio of the ground auxiliary subsystem to receive and save the collected data.Besides,the communication module is used to transmit the data to the unmanned aerial vehicle sub-system,which could plan the optimal track of the multi rotor UAV,and complete the remote sensing image acquisition task according to the planned track.The experiment results show that the system can effectively control the attitude and position of the multi rotor UAV.Besides,the planned multi rotor UAV track has strong obstacle avoidance ability for static and dynamic obstacles,and the quality of remote sensing image obtained is high.
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