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

Claim 0:
1. A system for unmanned aerial vehicle (UAV) parachute landing, the system comprising:
a memory storing instructions;
a processor configured to execute the instructions to cause the system to:
determine whether to open a parachute of a 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;

wait for a predetermined period after stopping the motor; and
open the parachute of the UAV at the end of the predetermined period.