遠端遙控變量施噴裝置之研製

Development of a Variable-Amount Spraying Device with Remote Control

戴冠丞(Guan-Cheng Dai)

指導教授 ： 葉仲基

國立臺灣大學/生物資源暨農學院/生物產業機電工程學研究所/碩士(2018年)

https://doi.org/10.6342/NTU201803812

摘要

精準農業的議題在近期受到廣泛的討論。然而，至今鮮少有文獻針對具稀釋功能的變量噴霧設備進行探討。本研究之目標將研製一具稀釋功能的變量設備並由液態肥料去檢驗其功能性。藉由一具備Wi-Fi功能之Arduino控制之混合系統的使用，可得到閥開度與流量的關係並進一步決定閥開度與稀釋倍率的關係。研究結果指出當閥開度在24%至34%時呈現一線性趨勢且流量值落在0.17 L/min至0.34 L/min，稀釋倍率在1.5倍至3倍間具有較高的準確度。此外，一款app被研發讓使用者能指定稀釋倍率並透過Wi-Fi傳送資料。總結來說，吾人成功研製一臺精準的、具稀釋功能與Wi-Fi控制的變量噴霧設備。本研究期望有助於未來對於變量應用的討論。

關鍵字

變量施噴 ； 混合系統 ； Wi-Fi控制

並列摘要

The issue of precision agriculture has received considerable critical attention. However, few studies to date have investigated variable-amount spraying device with dilution. The objectives of this research were to develop variable-amount device with dilution and examine its utility with liquid fertilizer. Using an Arduino-controlled hybrid system with Wi-Fi, the correlations between valve travel position and volumetric flowrate were calculated to determine the relationship of valve travel position and dilute factor. Results of this research revealed that a linear trend appear when the valve travel position is within 24% and 34% and the flowrate is within 0.17 L/min and 0.34 L/min, and also showed that dilution factor was highly accuracy within 1.5 and 3.0. Moreover, an app was developed so that users could assign the dilute factor and sent data via Wi-Fi. In conclusion, we have been successful in developing an accurate variable-amount spraying device with dilution and WiFi-controlled. This research expects in contribute to ongoing discussion about dilution in variable-amount application.

並列關鍵字

variable-amount ； hybrid system ； Wi-Fi controlled

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