Novel general obstacle avoidance module for UAV (unmanned aerial vehicle) and steps

Abstract

The invention discloses a novel general obstacle avoidance module for a UAV (unmanned aerial vehicle). The module consists of a range sensor, an inertial sensor, a single-chip microcomputer and a wireless communication module, wherein a connecting structure is as follows: the range sensor, the inertial sensor and the wireless communication module are connected with the single-chip microcomputer respectively; the single-chip microcomputer is also connected with a UAV flight control and a remote-control receiver respectively; the range sensor is used for detecting the distance between the UAV and an obstacle; the inertial sensor is used for compensating a distance error caused by inclination of the UAV during flight; the wireless communication module is responsible for transmission of the flight state of the UAV; the single-chip microcomputer is used for processing data. The module has the benefits that the module is simple in structure, stable, reliable, higher in universality and capable of effectively preventing the UAV from colliding with the obstacle and can be mounted on various UAVs through simple setting.

Description

technical field [0001] The invention relates to the technical field of drone control and can be widely used in various drones. Background technique [0002] In recent years, with the development of electronic technology, various types of drones have emerged in an endless stream, and the number of drones has also skyrocketed. UAVs are widely used in various occasions such as reconnaissance, surveying, aerial photography, performances, line inspections, etc. There are a large number of UAV users and enthusiasts around the world. [0003] Since most drone users are amateurs, there will be a series of safety problems in the process of using drones, the most common of which is the damage of drones caused by collisions between drones and obstacles and threats to public life and property. For most amateur players, there is an urgent need for a set of modules that can realize the obstacle avoidance function of drones. [0004] Most of the commercial flight controllers cu...

AI Technical Summary

Problems solved by technology

[0004] Most of the commercial flight controllers currently on the market are not open source, and it is impossible to achieve obstacle avoidance by modifying the source code and installing sensors.

Open source flight controllers such as APM, Pixhawk, etc. have open source codes, and there are interfaces on the hardware, but because the codes are too complicated, it is difficult for ordinary enthusiasts to modify and use them. Even if professionals can modify them to avoid obstacles, but with the firmware The upgrade needs to re-modify the source code, which is time-consuming, laborious and difficult

The simpler flight controllers such as MWC, anonymous four-axis, etc., although the code and hardware are relatively simple, but their functions and interfaces are limited, it is difficult to meet the requirements of the majority of drone enthusiasts

There are many researches on UAV obstacle avoidance, but these research results are not universal, that is, they can only be used on special UAVs used by developers, and cannot be modularized and commercialized

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