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Unmanned aerial vehicle inspection target positioning method for fixed-axis photovoltaic scene

A target positioning and UAV technology, which is applied in the field of UAV inspection target positioning, can solve problems such as the inability to realize logical unit one-to-one mapping, and achieve the effects of improving timeliness, stability, and efficiency

Active Publication Date: 2020-07-10
西安因诺航空科技有限公司
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AI Technical Summary

Problems solved by technology

Affected by the accuracy of sensors such as GPS and IMU, installation errors, and the flight environment, the traditional geometric positioning method can only locate near the smallest unit, and cannot realize one-to-one mapping with the logic unit

Method used

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Embodiment Construction

[0025] The present invention will be described in detail below in conjunction with the accompanying drawings and the specific implementation process.

[0026] The concrete implementation steps of described method are as follows:

[0027] Step S1:

[0028] UAV photovoltaic inspections are usually mounted with dual-light cameras with visible light and infrared. Infrared images are used to detect defect targets such as hot spots and zero current, but the resolution is low, such as figure 2 -b; Visible light images are used for auxiliary detection, and have the characteristics of large field of view, large distortion, and high resolution, such as figure 2 -a. Establishing the mapping relationship between dual-light images is the basis for subsequent work. An accurate mapping relationship not only facilitates subsequent image processing and can freely switch between dual-light images, but also helps in computational overhead and effect display. Step S1 mainly includes two part...

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Abstract

The invention discloses an unmanned aerial vehicle inspection target positioning method for a fixed-axis photovoltaic scene. According to the method, the minimum photovoltaic unit in the visible lightimage is subjected to detection, positioning, tracking, logic number mapping and other processing, and on the basis of dual-light image registration, the function of defect target positioning in unmanned aerial vehicle fixed-axis photovoltaic scene inspection is achieved. According to the invention, the problem of positioning to the minimum unit is solved, the requirements on the positioning precision of the unmanned aerial vehicle and the holder in the image acquisition process are reduced, and the operability of photovoltaic inspection of the unmanned aerial vehicle and the timeliness of positioning defective plates by workers are improved.

Description

technical field [0001] The invention belongs to the field of unmanned aerial vehicle inspection, and in particular relates to a method for locating an inspection target of an unmanned aerial vehicle in a fixed-axis photovoltaic scene. Background technique [0002] my country is the world's largest photovoltaic manufacturing country and the country with the largest installed capacity of photovoltaic power plants. As of the first half of 2019, my country's total installed capacity has exceeded 200GW. However, due to the wide distribution of photovoltaic power stations and various types of applications, the current operation mode has low efficiency, high error rate, long inspection cycle, and even the inability to achieve effective operation and maintenance, which has seriously restricted the healthy development of photovoltaic power stations. [0003] The emergence and rapid development of drones has become one of the effective means to solve the difficulties in the operation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/00G01S11/12G01S19/45
CPCG01C21/005G01S11/12G01S19/45
Inventor 马泳潮
Owner 西安因诺航空科技有限公司
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