四旋翼植保无人机坠落与地面碰撞的模拟实验

Simulation and Analysis of Four-Rotor Plant Protection UAV Falling and Hitting with the Ground

四旋翼无人机广泛应用于农药喷洒、病虫害防治等方面。针对四旋翼无人机结构优化和安全飞行方面的问题,从动力学分析层面,模拟在不同高度下,无人机撞击地面对机体本身造成的损害,进而探究四旋翼无人机的安全飞行高度,通过对比不同高度下四旋翼无人机撞击地面的等效应力图示,得出实验结论。对四旋翼无人机设计开发有一定的参考价值。

The four-rotor UAV is widely used in pesticide spraying,pest control,and so on.In this study,aiming at the structural optimization and safe flight of the four-rotor UAV,from the dynamic analysis level,the damage caused by the UAV impact on the body itself at different heights is simulated,and then the safe flight height of four-rotor UAV is explored.By comparing the equivalent stress diagrams of four-rotor UAV impact on the ground at different heights,the experimental conclusions are obtained.It has a certain reference value for the design and development of four-rotor UAV.