High-precision autonomous obstacle-avoiding flying method for unmanned plane

Abstract

The invention relates to a high-precision autonomous obstacle-avoiding flying method for an unmanned plane, and the method comprises the following steps: (1) building a high-precision map model; (2) planning flight control for a three-dimensional airline; (3) transmitting a flight control signal at step (2) to a steering engine of an unmanned plane servo mechanism, thereby achieving the control purpose through the changing of the position of the steering engine. The advantages of the method lie in that the space coordinates of the terrain environment of a region through the combination of the technology of laser scanning and the technology of differential GPS, thereby providing support for the autonomous obstacle-avoiding line planning; the position control error of the whole flight process is controlled at a centimeter level, thereby guaranteeing that the unmanned plane can fly along a planned path, achieving an effect of automatically avoiding obstacles, and finally enabling the unmanned plane to arrive at a destination for operation.

Description

technical field [0001] The invention relates to the field of unmanned aerial vehicle navigation, in particular to a high-precision autonomous obstacle-avoiding flight method for an unmanned aerial vehicle. Background technique [0002] Unmanned aircraft, referred to as "UAV", is an unmanned aircraft controlled by radio remote control equipment and its own program control device. UAVs are widely used in police, urban management, agriculture, geology, meteorology, electric power, emergency rescue, video shooting and other industries. From helping modern villages to empowering smart cities, wherever aerial solutions are needed, there will be a place for drones. As the application range of UAVs becomes wider and wider, and the operating areas become more and more complex, how to make UAVs more autonomous and more convenient to use is the direction of UAV technology development. [0003] At present, drone flight is divided into three modes: manual control flight, semi-automatic...

AI Technical Summary

Problems solved by technology

[0004] In low-altitude and complex terrain flight applications, due to the insufficient positioning accuracy of the existing satellites, the UAV cannot obtain accurate location information, so it cannot use a fully autonomous flight mode, and can only rely on the ground operator to manually operate the UAV for flight Operation

This is not only limited by the communication method, it is impossible to achieve long-distance high-precision flight, but also requires experienced and skilled ground operators. The labor cost is high and the operation efficiency is low, which is not enough to meet the growing demand for drones.

[0005] Traditional drones cannot achieve high-precision autonomous obstacle avoidance, so they can only achieve self-driving flight at high altitudes far away from obstacles, and in complex flight areas close to obstacles, they can only be manually assisted by experienced operators

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