一种基于无人机桨叶力矩的风场反演系统及方法

By installing torque sensors at the root of UAV propellers and constructing a nonlinear mapping model between torque and wind speed, and combining this with graph neural networks for wind field inversion, the problems of large weight and high power consumption of UAV meteorological detection equipment have been solved, enabling efficient and accurate detection of low-altitude wind fields.

CN121142087BActive Publication Date: 2026-07-17BEIJING INST OF TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING INST OF TECH
Filing Date
2025-09-26
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing drone-based meteorological detection equipment is expensive, heavy, and consumes a lot of power, making it impossible to deploy on small drones and hindering the achievement of lightweight, low-cost, high-precision, and real-time accurate detection of low-altitude wind fields.

Method used

By installing torque sensors at the root of the drone propellers, the changes in the torque on the propellers are measured in real time. A nonlinear mapping model between torque and wind speed is constructed, and wind field inversion is performed using graph neural networks and Transformer modules to output wind field evolution data.

Benefits of technology

It enables real-time monitoring and inversion of low-altitude wind fields, improving the efficiency and accuracy of wind field information acquisition. The system is compact, lightweight, and easy to integrate into small UAVs, featuring fast data acquisition speed and low system equipment cost.

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Abstract

本发明提供了一种基于无人机桨叶力矩的风场反演系统及方法,涉及低空风场测量与无人机检测技术。该系统包括实时数据采集及处理模块,用于通过设置在无人机桨叶根部的扭矩传感器,实时测量无人机桨叶在风场中受到的力矩变化,得到力矩数据;扭矩‑风速关系建模模块,用于构建扭矩与风速之间的映射关系;风场反演模块,用于基于力矩数据和扭矩与风速之间的映射关系进行风场反演;风场演化数据输出模块,用于将风场演化数据进行格式化处理,生成演化数据,并输出与存储。本发明旨在通过间接测量方式,解决低空风场低成本精准探测难题。
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