An obstacle avoidance method for unmanned aerial vehicle inspection and safe return

Abstract

The invention relates to an obstacle avoidance method for safe return of unmanned aerial vehicles, including: collecting image information to determine the actual height of the unmanned aerial vehicle; readjusting the maximum flight height and the maximum Flight speed; if the distance between the object in the environment and the drone is less than the critical safety distance, the central control processor controls the movement of the drone; when the drone enters the docking stage, the central control processor controls the drone to land at the docking point. The present invention can quickly obtain the surrounding environment information of the UAV by collecting the image information of the surrounding environment of the UAV, so that the central control processor can quickly obtain the flight height and flight speed of the UAV according to the actual situation. The obstacles that will appear during the flight of the UAV can be predicted in advance, which can effectively avoid the damage or crash of the UAV caused by the collision between the UAV and the obstacle, and effectively improve the inspection efficiency of the UAV.

Description

technical field [0001] The invention relates to the technical field of unmanned aerial vehicle control, in particular to an obstacle avoidance method for unmanned aerial vehicle inspection and safe return. Background technique [0002] Unmanned aircraft, referred to as unmanned aerial vehicle, or UAV in English, is an unmanned aircraft controlled by radio remote control equipment and its own program control device. From a technical point of view, it can be divided into: unmanned helicopter, unmanned fixed-wing aircraft, unmanned multi-rotor aircraft, unmanned airship, unmanned parawing aircraft, etc. [0003] With the development of society, UAVs are widely used in various inspections and monitoring, aerial photography and aerial broadcasting operations due to their small and flexible body, especially in the inspection process of transmission lines, which provide a lot of convenience. Domestic transmission lines Scattered, wide area, complex terrain, harsh natural environme...

AI Technical Summary

Problems solved by technology

[0005] For this reason, the present invention provides an obstacle avoidance method for the safe return of UAV inspections to overcome the problem of low inspection efficiency caused by the inability of UAVs to automatically avoid obstacles when returning to the voyage in the prior art

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