植保无人机喷施雾滴沉积特性的荧光示踪分析

TP212.9; 航空施药雾滴沉积特性的准确检测对施药参数选择和施药质量优化至关重要.该研究以3WQF-80-10型植保无人机为试验对象,选取典型飞行工况,通过水敏纸和基于荧光示踪的航空施药沉积检测系统同步获取展向雾滴沉积覆盖率,研究对比了该机型在典型飞行工况条件下的雾滴沉积离散性和连续性分布,评估基于荧光示踪的沉积检测系统对雾滴沉积检测效果与适用性.试验结果表明:荧光示踪法与水敏纸法所得雾滴沉积率分布曲线整体趋于一致,2种方法的检测结果相关性拟合优度(R2)为0.88～0.96;由于植保无人机旋翼下洗风场胁迫细小雾滴沉降至非水敏纸布样位置,致使荧光示踪法测得的平均雾滴覆盖率曲线出现更多峰值,...

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Published in农业工程学报 Vol. 36; no. 6; pp. 47 - 55
Main Authors 张瑞瑞, 李龙龙, 文瑶, 陈立平, 唐青, 伊铜川, 宋佳星
Format Journal Article
LanguageChinese
Published 北京农业智能装备技术研究中心,北京,100097 15.03.2020
Subjects
无人机
农药
光谱分析
荧光示踪剂
雾滴沉积分布
Online AccessGet full text
ISSN1002-6819
DOI10.11975/j.issn.1002-6819.2020.06.006

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Abstract TP212.9; 航空施药雾滴沉积特性的准确检测对施药参数选择和施药质量优化至关重要.该研究以3WQF-80-10型植保无人机为试验对象,选取典型飞行工况,通过水敏纸和基于荧光示踪的航空施药沉积检测系统同步获取展向雾滴沉积覆盖率,研究对比了该机型在典型飞行工况条件下的雾滴沉积离散性和连续性分布,评估基于荧光示踪的沉积检测系统对雾滴沉积检测效果与适用性.试验结果表明:荧光示踪法与水敏纸法所得雾滴沉积率分布曲线整体趋于一致,2种方法的检测结果相关性拟合优度(R2)为0.88～0.96;由于植保无人机旋翼下洗风场胁迫细小雾滴沉降至非水敏纸布样位置,致使荧光示踪法测得的平均雾滴覆盖率曲线出现更多峰值,覆盖率值高于水敏纸法测量结果.植保无人机飞行速度为2 m/s,飞行高度为3 m的作业条件下,与水敏纸离散布样方式相比,荧光示踪连续布样方式测得雾滴覆盖率提高16.92％,当飞行速度为4 m/s,飞行高度为9 m时,后者较前者提高97.77％.植保无人机作业工况对施药雾滴沉积覆盖率影响方面,飞行速度2 m/s,飞行高度3 m的工况下,雾滴沉积覆盖率最高,为8.34％和7.14％;随着植保无人机飞行高度和速度增加,雾滴沉积覆盖率降低.针对植保无人机下洗风场作用下施药雾滴沉积质量检测,与离散布样方式相比,连续性样品采集可获取更丰富的雾滴空间沉积分布细节.该研究可为无人机低空低量施药雾滴沉积检测和无人机下洗风场对雾滴沉积分布影响研究提供方法参考.
AbstractList TP212.9; 航空施药雾滴沉积特性的准确检测对施药参数选择和施药质量优化至关重要.该研究以3WQF-80-10型植保无人机为试验对象,选取典型飞行工况,通过水敏纸和基于荧光示踪的航空施药沉积检测系统同步获取展向雾滴沉积覆盖率,研究对比了该机型在典型飞行工况条件下的雾滴沉积离散性和连续性分布,评估基于荧光示踪的沉积检测系统对雾滴沉积检测效果与适用性.试验结果表明:荧光示踪法与水敏纸法所得雾滴沉积率分布曲线整体趋于一致,2种方法的检测结果相关性拟合优度(R2)为0.88～0.96;由于植保无人机旋翼下洗风场胁迫细小雾滴沉降至非水敏纸布样位置,致使荧光示踪法测得的平均雾滴覆盖率曲线出现更多峰值,覆盖率值高于水敏纸法测量结果.植保无人机飞行速度为2 m/s,飞行高度为3 m的作业条件下,与水敏纸离散布样方式相比,荧光示踪连续布样方式测得雾滴覆盖率提高16.92％,当飞行速度为4 m/s,飞行高度为9 m时,后者较前者提高97.77％.植保无人机作业工况对施药雾滴沉积覆盖率影响方面,飞行速度2 m/s,飞行高度3 m的工况下,雾滴沉积覆盖率最高,为8.34％和7.14％;随着植保无人机飞行高度和速度增加,雾滴沉积覆盖率降低.针对植保无人机下洗风场作用下施药雾滴沉积质量检测,与离散布样方式相比,连续性样品采集可获取更丰富的雾滴空间沉积分布细节.该研究可为无人机低空低量施药雾滴沉积检测和无人机下洗风场对雾滴沉积分布影响研究提供方法参考.
Author 伊铜川
张瑞瑞
文瑶
陈立平
宋佳星
唐青
李龙龙
AuthorAffiliation 北京农业智能装备技术研究中心,北京,100097
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Wen Yao
Chen Liping
Li Longlong
Song Jiaxing
Tang Qing
Zhang Ruirui
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Keywords 无人机
农药
光谱分析
荧光示踪剂
雾滴沉积分布
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