Method, device and system for detecting skew of unmanned aerial vehicle

Abstract

The invention provides a method, device and system for detecting skew of an unmanned aerial vehicle. The method comprises the steps that after the unmanned aerial vehicle is powered on, controlling the unmanned aerial vehicle to hover at a fixed point in a position mode; after the unmanned aerial vehicle successfully hovers at a fixed point, controlling the unmanned aerial vehicle to be switched from a position mode to an attitude mode; when the unmanned aerial vehicle is kept for a preset first duration in the attitude mode, obtaining the current horizontal speed of the unmanned aerial vehicle; judging whether the current horizontal speed of the unmanned aerial vehicle is greater than a preset horizontal speed threshold value or not; if yes, determining that the unmanned aerial vehicle has the skew problem, otherwise, determining that the unmanned aerial vehicle does not have the skew problem, or sending the current horizontal speed of the unmanned aerial vehicle to a ground control station of the unmanned aerial vehicle, and judging whether the unmanned aerial vehicle has the skew problem or not by the ground control station according to the current horizontal speed of the unmanned aerial vehicle. Whether the unmanned aerial vehicle is inclined or not can be automatically and accurately detected.

Description

technical field [0001] The invention relates to the technical field of drones, in particular to a method, device and system for detecting skew of drones. Background technique [0002] UAVs have been widely used in aerial photography, power inspections, environmental monitoring, forest fire prevention, disaster inspections, terrorism and lifesaving, military reconnaissance, battlefield assessment, etc. and maintenance costs, improving the safety of delivery vehicles. [0003] The skew phenomenon of drone take-off will directly affect the user's operation feel. If the flight controller of the UAV has not been calibrated at the factory or the calibration does not meet the factory specifications, it will cause deviations in the calculated attitude angle. Controlling a drone brings a lot of error. Since the user is observing the drone on the ground after the drone takes off, instead of observing the drone in parallel, it may be difficult for the user to detect whether the dron...

AI Technical Summary

Problems solved by technology

[0003] The skew phenomenon of drone take-off will directly affect the user's operation feel

If the flight controller of the UAV has not been calibrated at the factory or the calibration does not meet the factory specifications, it will cause deviations in the calculated attitude angle. Controlling the drone brings a lot of error

Since the drone takes off, the user observes the drone on the ground instead of observing the drone in parallel, so it may be difficult for the user to detect whether the drone has a skew problem

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