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Position: Home > Articles > Development of a Deposit Sensing System for Aerial Spraying Application Transactions of the Chinese Society for Agricultural Machinery 2014,45 (8) 123-127

航空施药中雾滴沉积传感器系统设计与实验

作  者:
张瑞瑞;陈立平;兰玉彬;徐刚;阚杰;张东彦
单  位:
北京农业智能装备技术研究中心;中国农业大学信息与电气工程学院;美国农业部农业航空应用技术中心;首都师范大学信息工程学院
关键词:
航空施药;沉积量测量;电容传感器;传感器网络
摘  要:
基于变介电常数电容器原理设计雾滴沉积传感器及检测系统,由此实现对航空施药中雾滴地面沉积量的快速获取。通过实验,分析建立了传感器对电导率487μS/cm、25 mS/cm雾滴的沉积量测量线性回归方程,决定系数R2分别为0.9923和0.9544。利用M-18B型飞机和AU-5000型喷雾机,对系统进行了应用测试,结果表明:与水敏纸图像分析方法对比,2种方法获得的雾滴地面沉积量分布曲线拟合度可达0.914 6,样点单位面积沉积量的相对测量误差分布在10%~50%之间。
译  名:
Development of a Deposit Sensing System for Aerial Spraying Application
作  者:
Zhang Ruirui;Chen Liping;Lan Yubin;Xu Gang;Kan Jie;Zhang Dongyan;College of Information and Electrical Engineering,China Agricultural University;Beijing Research Center of Intelligent Equipment for Agriculture;Sino-US Agricultural Aviation Cooperative Technology Center,USDA ARS,College Station;College of Information Engineering,Capital Normal University;
关键词:
Aerial spray Deposit measurement Capacity sensor Sensor network
摘  要:
Deposit distribution pattern is an important index in aerial applications. A sensor with variable dielectric capacitor and network system is developed to measure the deposit volume near real-timely in aerial spraying application. The linear regression equations of output voltage and deposit volume with electric conductivity 487 μS /cm and 25 mS /cm are built by experiment with linear correlation coefficients of 0. 992 3 and 0. 954 4,respectively. The system is field tested in a spraying operation using aircraft M-18 B and with nozzles AU-5000. The test result indicates that comparing with measurement method of water sensitive paper imagine analysis,the fitting degree of distribution pattern curve is 0. 914 6 and the relative measurement errors of deposit volume are in 10% ~ 50%.

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