Laser transmission self-adaptive adjustment method and system based on unmanned aerial vehicle

By real-time evaluation of disturbance parameters and mathematical models of laser redundancy distance, the emission angle and beam divergence angle of the laser are adaptively adjusted, solving the problem of low adjustment efficiency in UAV laser communication and achieving efficient laser transmission and enhanced stability.

CN120956338APending Publication Date: 2025-11-14HUNAN INSTITUTE OF ENGINEERING
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Patent Information

Application Number
CN202511156315.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-18
Publication Date
2025-11-14

AI Technical Summary

Technical Problem

In existing technologies, UAV laser communication requires waiting for communication feedback, resulting in insufficient laser adjustment efficiency and difficulty in efficient adjustment in dynamic environments.

Method used

By evaluating disturbance parameters in real time and using a mathematical model of laser redundancy distance for adaptive adjustment, the laser emission angle and beam divergence angle are adjusted in real time to compensate for the impact of disturbances and realize laser transmission between UAVs.

Benefits of technology

This improves the adjustment efficiency of the laser link in dynamic environments, ensures that the laser optical axis is aligned with the window of the receiving UAV, and enhances the adaptability and stability of the link in disturbed environments.

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Abstract

The invention discloses a laser transmission adaptive adjustment method and system based on an unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicle laser communication, and the method comprises the steps: S1, obtaining the space information of a transmitting end unmanned aerial vehicle and a receiving end unmanned aerial vehicle, and disturbance parameters affecting laser transmission; and S2, calculating a pointing vector between the transmitting end unmanned aerial vehicle and the receiving end unmanned aerial vehicle according to the spatial information. And S3, calculating the redundant distance according to the laser redundant distance mathematical model. And S4, adjusting the emission angle and the beam divergence angle of the laser according to the pointing vector and the redundant distance so as to realize the transmission of the laser between the emission end unmanned aerial vehicle and the receiving end unmanned aerial vehicle. According to the technical scheme provided by the invention, the disturbance parameters influencing laser transmission are evaluated, and the complex and dynamic disturbance parameters are quantified into a single control index of the laser beam divergence angle by using the laser redundancy distance mathematical model, so that the system can be adaptive to the flight attitude of the unmanned aerial vehicle and the disturbance of the atmospheric environment.
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Citation Information

Patent Citations

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