Design and Development of Variable Rate Spraying System Based on Canopy Volume Measurement

文献类型： 外文期刊

第一作者： Fu, Zetian

作者： Fu, Zetian;Qi, Lijun;Hu, Kaiqun;Ji, Ronghua;Wang, Jun

作者机构：

关键词： Variable rate spraying system;Canopy Volume measurement;Ultrasonic sensor;Single chip

期刊名称：COMPUTER AND COMPUTING TECHNOLOGIES IN AGRICULTURE V, PT I

ISSN： 1868-4238

年卷期： 2012 年 368 卷

页码：

收录情况： SCI

摘要： Variable rate spraying technology can improve the pesticide utilization ratio, reduce the waste of pesticide, and canopy volume was a very important variable rate reference in orchard spraying, so a variable rate spraying system based on canopy volume measurement was presented and developed. The system was mainly made up of PC, ultrasonic sensor, single chip, flow control mechanism and nozzles. Ultrasonic sensors were used to measure the distances between sensors and canopy foliage. Data detected by sensors were sent to computer by single chip for further processing. Flow control mechanisms were used to adjust the flow rates of nozzles real-timely. Hardware and software design were introduced. Hardware design included hardware choice, connections and installation positions designs, and software design included flow chart design and system operation interfaces designs which were used to display the measurement results real-timely and vividly, and some spraying controls of the system could be completed in the system operation interfaces.

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