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航空施藥中霧滴沉積傳感器系統(tǒng)設(shè)計(jì)與實(shí)驗(yàn)
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國家高技術(shù)研究發(fā)展計(jì)劃（863計(jì)劃）資助項(xiàng)目（2012AA101901）,、北京市自然科學(xué)基金資助項(xiàng)目（4121001）和北京市農(nóng)林科學(xué)院青年科研基金資助項(xiàng)目（QNJJ201217）


Development of a Deposit Sensing System for Aerial Spraying Application
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    摘要:

    基于變介電常數(shù)電容器原理設(shè)計(jì)霧滴沉積傳感器及檢測系統(tǒng),，由此實(shí)現(xiàn)對(duì)航空施藥中霧滴地面沉積量的快速獲取。通過實(shí)驗(yàn), 分析建立了傳感器對(duì)電導(dǎo)率487μS/cm,、25mS/cm霧滴的沉積量測量線性回歸方程,，決定系數(shù)R2分別為0.9923和0.9544,。利用M-18B型飛機(jī)和AU-5000型噴霧機(jī)，對(duì)系統(tǒng)進(jìn)行了應(yīng)用測試,，結(jié)果表明：與水敏紙圖像分析方法對(duì)比,，2種方法獲得的霧滴地面沉積量分布曲線擬合度可達(dá)0.9146，樣點(diǎn)單位面積沉積量的相對(duì)測量誤差分布在10%~50%之間,。

    Abstract:

    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 487μS/cm and 25mS/cm are built by experiment with linear correlation coefficients of 0.9923 and 0.9544, respectively. The system is field tested in a spraying operation using aircraft M-18B 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 0.9146 and the relative measurement errors of deposit volume are in 10%~50%.

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張瑞瑞,陳立平,蘭玉彬,徐剛,闞杰,張東彥.航空施藥中霧滴沉積傳感器系統(tǒng)設(shè)計(jì)與實(shí)驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2014,45(8):123-127. Zhang Ruirui, Chen Liping, Lan Yubin, Xu Gang, Kan Jie, Zhang Dongyan. Development of a Deposit Sensing System for Aerial Spraying Application[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(8):123-127.

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  • 收稿日期:2013-12-03
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  • 在線發(fā)布日期: 2014-08-10
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