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UAV-based highway slope patrol path optimization method

A route optimization, highway technology, applied in the direction of photo interpretation, computer parts, instruments, etc., can solve the problem of heavy manual inspection workload, and achieve the effect of reducing workload and improving safety.

Active Publication Date: 2019-01-15
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problems existing in the prior art, the object of the present invention is to provide a path optimization method for highway slope inspection based on unmanned aerial vehicles. Reasonable inspection path can solve the problem of heavy manual inspection workload in the existing technology

Method used

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  • UAV-based highway slope patrol path optimization method
  • UAV-based highway slope patrol path optimization method
  • UAV-based highway slope patrol path optimization method

Examples

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Embodiment

[0077] In this embodiment, take Hanning Expressway slope K1308+450 as an example to carry out the experiment, first adjust the UAV according to the local conditions at the time of the experiment, and take pictures with the UAV. Image inspectors found suspected disease points by observing the collected slope images. On the basis of the initial inspection, a total of 14 places were used as collection points for the second inspection. The distribution of each collection point on the slope is as follows: Figure 7 As shown, the collection point 14 is the take-off and landing point of the drone. Considering the safety of vehicles and UAVs on the road, first raise the UAV vertically to a position about 8 meters above the take-off and landing point, that is, the collection point 7 is used as the starting and ending point of the inspection mission, and it is also the path Planning start and end points.

[0078] Since the location information of the collection point is longitude, lati...

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Abstract

The invention belongs to the technical field of highway slope patrol, and in particular relates to a UAV-based highway slope patrol path optimization method. The UAV-based highway slope patrol path optimization method comprises the steps of: (1), controlling the UAV shooting quality, so that the best shooting angle is obtained; (2), classifying shot objects, and determining a shooting mode according to the classification condition; (3), shooting an object needing to be shot through an UAV, troubleshooting according to a shot picture, and extracting problem suspicion points of a slope in the picture; (4), calculating the distance between the problem suspicion points, and constructing an adjacent matrix of the problem suspicion points; and (5), taking the adjacent matrix constructed in the step (4) as input of a simulated annealing algorithm, and obtaining the shortest path of the UAV traversal problem suspicion point by calculation. According to the UAV-based highway slope patrol path optimization method in the invention, the highway slope is patrolled through the UAV; furthermore, the reasonable patrol path can be planned; and the problem that the artificial patrol workload is highin the prior art can be solved.

Description

technical field [0001] The invention belongs to the technical field of highway slope inspection, and in particular relates to a path optimization method for highway slope inspection based on an unmanned aerial vehicle. Background technique [0002] With the rapid development of computers and communications, UAV aerial photography systems have also entered the stage of practical application in various industries from the initial research stage in the military field, and are widely used in forest fire prevention, resource detection, search and rescue, agricultural inspection, aerial photography, etc. aspect. The inspection application of UAVs at home and abroad has covered many fields such as electric power, petroleum, agriculture, and communications. Inspection is both the focus and difficulty of road maintenance inspection. At present, the manual inspection is mainly used to inspect the slope, but the workload of manual inspection is heavy, and the inspection of the slope ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C11/04G01C21/20G06K9/00
CPCG01C11/04G01C21/20G06V20/13
Inventor 王萍靳引利李立袁梧蓓吕梦王军郝文邦王赛赛谭二龙杨静文
Owner CHANGAN UNIV
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