Automatic obstacle avoidance method, electronic device, and unmanned aerial vehicle

An electronic device, comprising at least one processor, and a memory communicatively coupled to the at least one processor;

• wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the following operations:
• acquiring detected data of a radar of a carrier, the detected data comprising observation state information of a detection target;
• calculating theoretical state information of the detection target based on motion information of the carrier;
• excluding invalid data from the detected data to obtain corrected data by combining the detected data with the theoretical state information;
• determining height information of the carrier according to the corrected data;
• and
• in response to determining that the height information of the carrier is less than a first pre-set height threshold value, triggering an obstacle avoidance warning or adjusting a course trajectory of the carrier to avoid a ground collision;
• wherein the invalid data comprises observation state information of a non-ground target, the non-ground target is a detection target having an elapsed time of less than a second pre-set threshold value, and the elapsed time is a time required for the carrier to pass the detection target.

An unmanned aerial vehicle (UAV), comprising:

• a vehicle body;
• a radar disposed at the bottom of the vehicle body proximate to the ground;
• a vehicle arm coupled to the vehicle body;
• a power drive unit provided on the vehicle arm for providing flying power to the UAV;
• and
• a flight controller provided on the vehicle body and communicatively coupled to the radar;
• wherein the flight controller is configured to:
• acquire detected data of the radar, the detected data comprising observation state information of a detection target;
• calculate theoretical state information of the detection target based on motion information of the UAV;
• exclude invalid data from the detected data to obtain corrected data by combining the detected data with the theoretical state information;
• determine height information of the UAV according to the corrected data;
• and
• in response to determine that the height information of the carrier is less than a first pre-set height threshold value, trigger an obstacle avoidance warning or adjust a course trajectory of the UAV to avoid a ground collision;
• wherein the invalid data comprises observation state information of a non-ground target, the non-ground target is a detection target having an elapsed time of less than a second pre-set threshold value, and the elapsed time is a time required for the carrier to pass the detection target.