A UAV pipeline inspection system and multi-station relay method

A technology of unmanned aerial vehicle and line inspection, applied in radio transmission system, transmission system, wireless communication, etc., can solve the problems of aircraft operating distance limitation and difficulty in satisfying long-distance inspection, so as to reduce design cost and shorten R&D cycle Effect

Active Publication Date: 2022-08-02
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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AI Technical Summary

Problems solved by technology

However, the traditional UAV remote sensing technology is limited by the distance between the ground station and the aircraft, and it is difficult to meet the needs of long-distance inspections.

Method used

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  • A UAV pipeline inspection system and multi-station relay method
  • A UAV pipeline inspection system and multi-station relay method

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Embodiment Construction

[0025] In order to facilitate the understanding of the technical solution of this patent by those skilled in the art, and at the same time, in order to make the technical purpose, technical solution and beneficial effect of this patent clearer, and to fully support the protection scope of the claims, the following is the form of specific cases. The technical solution of the patent will be further explained in more detail.

[0026] like figure 1 As shown in the figure, a UAV pipeline inspection system includes a command and control center, multiple ground stations, and UAVs; when the UAV performs tasks, it transmits downlink information by broadcasting, and communicates in the UAV line-of-sight. Within the range, at least 3 ground stations receive the downlink information transmission frame of the UAV.

[0027] When the ground stations are distributed in a distributed manner, the ground control center will set n consecutive (n is at most 16) stations into one group, and the st...

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Abstract

The invention discloses a UAV pipeline inspection system and a multi-station relay method, which belong to the technical field of pipeline inspection and UAV measurement and control. The present invention adopts a distributed station layout method according to the ground station to realize the handover of the aircraft and multiple ground stations; and the ground station command and control performs power control and control on the aircraft through the uplink remote control frame according to the number of aircraft and track information of the current task. Time slot resource adjustment to further reduce system self-interference; and the ground control center comprehensively determines the optimal chain based on the aircraft position information contained in the downlink telemetry frame, the AGC information contained in the ground station report link telemetry frame, and the channel error information. Uplink with road quality and wake up the corresponding ground station. The invention has the characteristics of flexible allocation of time slot resources and reliable handover of ground stations, and is especially suitable for long-distance patrol inspection in oil pipeline patrol lines, with high patrol inspection accuracy and suitable for complex environments. Important improvement.

Description

technical field [0001] The invention relates to the technical field of pipeline inspection and UAV measurement and control, in particular to a UAV pipeline inspection system and a multi-station relay method. Background technique [0002] At present, with the extensive development of infrastructure construction such as pipelines and lines in my country, the maintenance of these facilities has become increasingly urgent. The traditional pipeline inspection is generally realized by manual inspection, which has low work efficiency, long periodicity, low inspection accuracy, and is greatly affected by external factors. It is difficult to meet the natural climate restrictions, complex landforms and pipelines in harsh environments Line patrol requirements. For this reason, there are attempts to apply drones to pipeline inspections in the prior art. However, the traditional UAV remote sensing technology is limited by the distance between the ground station and the aircraft, and it...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185H04L27/26H04W72/04
CPCH04B7/18506H04L27/2602H04W72/0446
Inventor 贾克郝亚峰徐长纯刘有才代立业曲恒
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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