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Movable multi-view visual bridge conventional detection method

A multi-eye vision and detection method technology, applied in bridges, bridge maintenance, bridge reinforcement, etc., can solve problems such as low reliability, many missed detection events, and low efficiency

Inactive Publication Date: 2016-07-06
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] One is to solve the defects of low efficiency, low reliability, large manual workload and many missed inspections in traditional manual inspection;

Method used

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  • Movable multi-view visual bridge conventional detection method

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Embodiment Construction

[0060] Combine the following figure 1 In the case shown in, figure 2 The implementation flow chart shown in further illustrates the present invention.

[0061] see figure 1 and figure 2 , the case cited in the present invention is to utilize a kind of mobile multi-eye visual bridge conventional detection method to carry out conventional detection to a cable-stayed bridge, and concrete implementation steps are as follows:

[0062] Described in the present invention, concrete implementation steps are as follows:

[0063] A. Build the UAV device, parameter setting and calibration of the airborne device;

[0064] A1. Build a mobile multi-eye visual bridge routine detection system, each UAV 1 carries multiple high-definition cameras (3 to 10), radar 2 and lighting source 11, etc.;

[0065] A2. Carry out the UAV 1 test flight experiment under the current bridge 13 detection environment, repeatedly adjust the control parameters to adapt to the current wind speed and direction ...

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Abstract

A movable multi-view visual bridge conventional detection method includes the following specific implementing steps that A, an unmanned aerial vehicle device is erected, parameters are set, and a vehicle-mounted device is calibrated; B, a bridge structure three-dimensional model is scanned and established, and a flight route is determined; C, bridge conventional scanning and detection are conducted, and appearance pictures are transmitted and stored; and D, the bridge state is evaluated, and multimedia diagnosis is summarized.

Description

technical field [0001] The invention relates to routine detection of bridges using drones, high-definition cameras, and digital image processing technology. Background technique [0002] Bridges are the throats that ensure the smooth flow of roads, highways, railways, etc., and play an extremely important role in the transportation system. Bridge safety plays a pivotal role in national economic development. However, due to environmental corrosion, improper design, material defects, vehicle overload, and force majeure factors, bridge structures will be damaged to varying degrees. In recent years, bridge accidents in various places are mostly caused by lack of bridge inspection and improper maintenance. These damages will eventually lead to structural damage and even collapse of the bridge, resulting in significant loss of life and property. Routine bridge inspections can effectively detect early safety hazards, prevent the accumulation of damage, and avoid catastrophic acci...

Claims

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Application Information

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IPC IPC(8): E01D22/00
CPCE01D22/00
Inventor 叶肖伟董传智刘坦
Owner ZHEJIANG UNIV
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