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Altitude-fixed and high-precision track generation method suitable for fixed-wing UAV tracking roads

A technology of unmanned aerial vehicles and fixed wings, which is applied in the field of fixed-altitude and high-precision track generation, which can solve the problems of aircraft load and high cost, and achieve the effects of fast data processing speed, reduced data volume, and small calculation amount

Inactive Publication Date: 2020-01-17
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional fixed-wing UAVs cannot meet the above requirements by drawing points on the electronic map to generate tracks; and carrying airborne altimetry equipment will occupy a large amount of aircraft load and be expensive

Method used

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  • Altitude-fixed and high-precision track generation method suitable for fixed-wing UAV tracking roads
  • Altitude-fixed and high-precision track generation method suitable for fixed-wing UAV tracking roads
  • Altitude-fixed and high-precision track generation method suitable for fixed-wing UAV tracking roads

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Embodiment 1

[0049] In order to verify the feasibility and beneficial effect of a method for generating a fixed-altitude track for high-precision tracking of fixed-wing UAVs disclosed by the present invention, the technical solution of the present invention will be clearly and completely described in examples below , the data processing flow chart is as follows figure 1 shown.

[0050] This example discloses a method for generating a fixed-altitude and high-precision track for a fixed-wing unmanned aerial vehicle to accurately track a road, including the following steps:

[0051] Step 1: Collect GPS location data of the target road

[0052] In order to collect the GPS position data of the target road, the measuring equipment that needs to be used includes: motor vehicle, GPS module, data transmission module transmitter, data transmission module receiver and data recording computer. Hardware connection such as figure 2 shown.

[0053] Step 1 is implemented as follows:

[0054] Step 1.1:...

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Abstract

The invention discloses a fixed-altitude high-precision track generating method applicable to road tracking via a fixed-wing unmanned aerial vehicle, belonging to the field of road detection. The method comprises the following steps: step 1, collecting navigation location data of a target road; step 2: filtering out singular points in original location information collected in the step 1; step 3,extracting location information data points at an equal interval; step 4, calculating road grade and the course angles of the data point; step 5, extracting effective track points; and step 6, editingand outputting a track point file with a corresponding format according to the type of an autopilot carried by the fixed-wing unmanned aerial vehicle so as to complete generation of a fixed-altitudehigh-precision track for the road tracked by the fixed-wing unmanned aerial vehicle. The invention aims to provide the track point generating method for the fixed-altitude high-precision track capableof realizing precise road tracking without onboard altimetric devices, and the method has the advantages of low cost, simple operation, high precision of track points, capability of accurate and fixed-altitude tracking of landform, etc.

Description

technical field [0001] The invention relates to a method for generating a fixed-altitude and high-precision track suitable for tracking a road by a fixed-wing unmanned aerial vehicle, belonging to the field of road detection. Background technique [0002] With the rapid development of expressways in my country and the rapid increase in road operating mileage, people's demand for road information is increasing day by day. The space-based road surface information collection system based on the fixed-wing UAV platform has lower cost, larger sampling range, high efficiency, convenient use and no impact on traffic than the traditional vehicle-mounted road surface information collection system, so it has a better application prospect. [0003] In the field of road detection, fixed-wing UAVs are required to be equipped with some high-precision equipment to perform long-distance detection of specific linear targets such as roads; during the detection process, fixed-wing UAVs are req...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C11/00
Inventor 王正平蔚光辉贺云涛刘莉刘刚
Owner BEIJING INSTITUTE OF TECHNOLOGYGY