Air-ground cooperative autonomous pesticide application and precise landing liquid supplement method

By combining visual QR code recognition and adaptive PID controller, the problem of drones having difficulty accurately identifying the position of mobile platforms in complex environments is solved, enabling safe and stable landing of both drones and mobile platforms, and improving system stability and landing success rate.

CN122402844APending Publication Date: 2026-07-17JIANGSU UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU UNIV
Filing Date
2026-04-30
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In complex environments, drones have difficulty accurately identifying the location of mobile platforms. Traditional PID controllers are also unable to adapt to system parameter drift and airflow interference during dynamic landing, leading to landing failure or damage.

Method used

The system employs visual QR code recognition combined with IMU's three-axis attitude calculation and adaptive PID controller. It obtains coordinate information by recognizing QR codes through a camera, performs visual-inertial fusion attitude calculation by combining the three-axis attitude angles of the IMU, and uses an adaptive PID controller to dynamically adjust the control gain to ensure that the UAV's attitude is consistent with that of the unmanned vehicle platform.

Benefits of technology

It enables precise landing of drones in complex environments, improves system stability and landing success rate, ensures the attitude stability and safety of drones under airflow and platform conditions, and achieves safe and smooth landing of drones and mobile platforms.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明公开了一种空地协同自主施药与精准降落补液方法,属于农业机器人技术领域。所述系统包括施药无人机、地面支援无人车及上位机;所述方法包括:1. 无人机采用改进LOS算法进行路径规划后施药作业;2. 当药液低于20%时,发起补给流程,无人车驶至二者距离小于10米时,无人机跟踪至无人车的正上方形成相对静止;3.采用自适应PID控制算法调整无人机的姿态与速度,确保机头方向与平台一致地降落在平台上;4. 平台上的正交归中机构分步推动无人机至加药原点;5. 药液加注管伸出并对接无人机药箱圆形加药口通过水泵自动进行加药;6. 加满后装置收回,无人机解除固定后起飞继续作业。本发明实现了从作业到补给的全流程高精度自主化。
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