Patent ID: 11884406
Assignee: GEOSAT AEROSPACE & TECHNOLOGY
Field: Control (Instruments)
Classification: CPC B  G | IPC B  G

Claim 21:
22. A system for unmanned aerial vehicle (UAV) parachute landing, the system comprising:
a detector configured to detect at least one of a flight speed, a wind speed, a wind direction, a position, a height, or a voltage of a UAV;
a memory storing instructions;
a processor configured to execute the instructions to cause the system to:
determine whether to open a parachute of the UAV when the UAV is at a low voltage greater than zero and equal to or lower than a predetermined voltage;
responsive to a determination to open the parachute of the UAV, stop a motor of the UAV that spins a propeller of the UAV,
wherein stopping the motor includes:
reducing a height of the UAV until the UAV reaches a predetermined height; and
stopping the motor of the UAV that spins the propeller of the UAV when the UAV reaches the predetermined height; and

open the parachute of the UAV after stopping the motor of the UAV for a predetermined period.