Patent ID: 11947366
Assignee: AUTEL ROBOTICS CO., LTD.
Field: Control (Instruments)
Classification: CPC G  B  Y | IPC B  G

Claim 0:
1. An unmanned aerial vehicle (UAV) severe low-power protection method performed by a controller of a UAV, comprising:
acquiring ground environment information when the UAV is in a severe low-power protection state;
obtaining landing safety judgment information according to the ground environment information;
controlling a flight state of the UAV according to the landing safety judgment information to realize a safe landing of the UAV;
acquiring a current flight altitude of the UAV when the UAV is in the severe low-power protection state;
determining whether the current flight altitude exceeds a preset altitude threshold; and
in response to determining the current flight altitude exceeds a preset altitude threshold, shielding an upward flight control command;
wherein the landing safety judgment information comprises safe landing information and dangerous landing information; and
the controlling a flight state of the UAV according to the landing safety judgment information to realize a safe landing of the UAV comprises:
controlling the UAV to hover and keep still when the landing safety judgment information is dangerous landing information;
acquiring a manual control command, and controlling the UAV to deviate from a current position according to the manual control command; and
keeping acquiring the ground environment information, and controlling the flight state of the UAV according to the landing safety judgment information to realize the safe landing of the UAV.