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首页> 外文会议>Proceedings of joint international agricultural conference (JIAC 2009) >A real-time measuring system for tree canopy parameters
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A real-time measuring system for tree canopy parameters

机译：树木冠层参数的实时测量系统

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摘要

To achieve precision application of pesticides and fertilizers to fruit trees thus reducing negative impacts to the environment as well as improving fruit safety, a real-time fruit tree canopy parameters measuring system was constructed to guide precision spraying in orchard. This system consists of crop identification unit, vehicle attitude measurement unit, master control unit, data logger unit, and a CAN bus connecting various microprocessors involved. Preliminary experiments were conducted, on five adjacent trees with regular cylinder-shaped canopy on the campus for three times, where four independent ultrasonic sensors (SensComp 600) were used to measures target trees' canopy on a time-division basis. System sampling rate was 5 times/s, and tractor-traveling speed 0.3m/s. Experiments showed that the system could detect fruit tree canopy size in real-time, thus providing a good measuring and controlling platform for precision spraying based on tree canopy. This paper introduced the design principle of the system and the related test results.
机译：为了实现农药和化肥在果树上的精确施用，从而减少对环境的负面影响并提高水果安全性，构建了实时果树冠层参数测量系统，以指导果园中的精确喷涂。该系统由农作物识别单元，车辆姿态测量单元，主控制单元，数据记录器单元以及连接所涉及的各种微处理器的CAN总线组成。在校园内对五棵规则圆柱形冠层的相邻树木进行了3次初步实验，其中使用四个独立的超声波传感器（SensComp 600）时分测量目标树木的冠层。系统采样率为5次/秒，拖拉机行进速度为0.3m / s。实验表明，该系统可以实时检测果树冠层的大小，从而为基于树冠的精确喷涂提供了一个良好的测控平台。本文介绍了系统的设计原理和相关的测试结果。

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