Patent ID: 11964774
Assignee: AUTEL ROBOTICS CO., LTD.
Field: Control (Instruments)
Classification: CPC B  G | IPC B  G

Claim 7:
8. The method according to claim 7, wherein when the flight status is the descending state, the performing safety protection on the unmanned aerial vehicle according to the ultrasonic information and the flight status further comprises:
determining, according to an acceleration of the unmanned aerial vehicle, whether the unmanned aerial vehicle has landed;
in response to the unmanned aerial vehicle has landed, controlling the unmanned aerial vehicle to perform propeller stopping; and
in response to the unmanned aerial vehicle has not landed, limiting the descending speed of the unmanned aerial vehicle not to be greater than a third speed threshold, and setting a second propeller stopping threshold as the propeller stopping threshold of the unmanned aerial vehicle.