飞行参数对六旋翼植保无人机雾滴在荔枝树冠层沉积分布的影响

为实现植保无人机施药技术在荔枝病虫害防控中的高效应用,研究了油动六旋翼植保无人机的飞行高度(5、6、8m)和飞行速度(2.8、3.4 m/s)对雾滴在荔枝冠层的沉积分布及穿透性的影响.结果表明:不同飞行高度对雾滴在荔枝冠层的沉积分布及穿透性影响显著,飞行高度为5m和6m时雾滴在荔枝冠层分布及穿透性较好,飞行高度为8m效...

Effects of Flight Parameters of Diesel Six-rotor UAV on Deposition Distribution of Fogdrops in Litchi Tree Canopy

To realize the efficient application of unmanned aerial vehicle(UAV)pesticide application technology in litchi disease and pest control,the effects of different flight heights(5,6 and 8 m)and speeds(2.8 and 3.4 m/s)of diesel six-rotor plant protection UAV on the deposition distribution and penetration of fogdropsin litchi canopy were investigated in this study.The results showed that flight height had a significant effect on the deposition distribution and penetration of fogdrops in litchi canopy.When the flight height was 5 m and 6 m,the distribution and penetration of fog droplets in the litchi canopy was better,while that for the flight height 8 m was poor.When the flight height was 5 m,the change of flight speed had no significant effect on the distribution of fog droplets in the litchi canopy,but had a significant effect on the penetrability,the penetration at 2.8 m/s was significantly better than that at 3.4 m/s.At the flight height of 6 m,the distribution and penetration of fog droplets in the litchi canopy were significantly better than that at the flight speed of 2.8 m/s than 3.4 m/s.When the flight speed was 2.8 m/s,the distribution and penetration of fog drops in the litchi canopy at the flight height of 6 m were significantly better than that of 5 m.The flight height and flight speed of diesel six-rotor UAV had significant effects on the deposition distribution and penetration of fog droplets in litchi canopy.Our data suggested that the optimal application parameters of the adopted type of UAV for litchi planting protection are 6 m in flight height and 2.8 m/s in flight speed.