Unmanned aircraft electric quantity early warning method and device

Abstract

The invention discloses an unmanned aircraft electric quantity early warning method and a device; the method comprises the following steps: using a satellite positioner to obtain inward journey drop point information of the unmanned aircraft; obtaining present position information of the unmanned aircraft, and calculating a horizontal distance and a vertical height difference between the present position of the unmanned aircraft and the inward journey drop point; obtaining battery state information of the unmanned aircraft, and calculating a maximum horizontal distance and a maximum climb or descending height of the unmanned aircraft using residual electric quantity at a preset flight speed; determining whether the electric quantity of the unmanned aircraft has reached a lowest critical point of safety inward journey or not according to the horizontal distance and the vertical height difference between the present position of the unmanned aircraft and the inward journey drop point, and the maximum horizontal distance and the maximum climb or descending height of the unmanned aircraft using residual electric quantity at the preset flight speed; if yes, controlling the unmanned aircraft to fly back. The unmanned aircraft electric quantity early warning method and the device can maximize a task flight time while ensuring the safety of the unmanned aircraft, thus maximizing the utilization efficiency of the aircraft.

Description

technical field [0001] The invention relates to the field of batteries, in particular to the field of battery power prompt and control applied to unmanned aerial vehicles. Background technique [0002] Small electric unmanned aerial vehicles are more suitable for tasks such as aerial photography, recreational flying, surveillance and reconnaissance within the visual range, and have broad civilian and military prospects. In actual flight, since the battery power of the unmanned aerial vehicle has been continuously consumed, and after flying the aircraft out of a certain distance and altitude, it may happen that the remaining power is not enough to support the aircraft to fly back to the home point and land, which will cause safety problems. Hidden dangers may even cause unmanned aerial vehicles to fall in the air. [0003] The existing measures are to set the safety voltage of the UAV battery, and when the safety voltage is reached, an alarm will be issued and a forced autom...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a power warning method for unmanned aerial vehicles, which is used to solve the problem that existing unmanned aerial vehicles may not be able to safely return and land

Images