本文選題：ZigBee　切入點(diǎn)：無線傳感網(wǎng)絡(luò)　出處：《昆明理工大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著無線傳感網(wǎng)絡(luò)技術(shù)的不斷發(fā)展和使用普及,越來越多的無線技術(shù)被運(yùn)用到了到人類生產(chǎn)和生活的各個方面各種層次。其中,將無線傳感網(wǎng)絡(luò)使用在農(nóng)業(yè)領(lǐng)域,能夠準(zhǔn)確、高效率地獲取農(nóng)作物在生長過程中的各項(xiàng)環(huán)境指標(biāo)信息,是提高農(nóng)作物品質(zhì)及產(chǎn)量的關(guān)鍵。但是,傳統(tǒng)的農(nóng)田環(huán)境數(shù)據(jù)記錄都是由人工完成的,需要工作人員下田進(jìn)行實(shí)地測量,記錄數(shù)據(jù)。隨著計算機(jī)技術(shù)和嵌入式技術(shù)的發(fā)展,農(nóng)田中使用RS485或CAN總線等有線連接的方式進(jìn)行數(shù)據(jù)的采集和傳輸,解決了在數(shù)據(jù)采集過程中人力采集成本高等問題。但是采用有線的方式采集數(shù)據(jù)有著布線難度高的缺點(diǎn),同時還增加了農(nóng)田的復(fù)雜性。因此,本文針對農(nóng)田數(shù)據(jù)采集系統(tǒng)的有線傳輸方式常受到地形、安裝環(huán)境等問題的限制,設(shè)計了一種基于ZigBee無線技術(shù)的農(nóng)田數(shù)據(jù)采集系統(tǒng)。論文主要設(shè)計內(nèi)容如下:(1)通過分析市面上無線傳感網(wǎng)絡(luò)技術(shù)的研究現(xiàn)狀,系統(tǒng)選用ZigBee技術(shù)為核心搭建無線傳感網(wǎng)絡(luò),并提出農(nóng)田無線數(shù)據(jù)采集系統(tǒng)的設(shè)計方案。(2)使用Altium Designer軟件進(jìn)行系統(tǒng)的硬件設(shè)計并繪制PCB電路板,將CC2530芯片和傳感器等模塊進(jìn)行連接。(3)采用半開源的Z-Stack協(xié)議棧對終端、路由器和協(xié)調(diào)器進(jìn)行程序開發(fā),能夠做到對農(nóng)田環(huán)境數(shù)據(jù)的采集、發(fā)送和接收。(4)基于Visual Studio平臺進(jìn)行上位機(jī)軟件開發(fā),并配合ACCESS數(shù)據(jù)庫,共同實(shí)現(xiàn)了對數(shù)據(jù)的本地保存和歷時數(shù)據(jù)查詢功能。(5)對系統(tǒng)的通訊距離、采集數(shù)據(jù)精度和續(xù)航時間進(jìn)行測試。系統(tǒng)經(jīng)過可知:該系統(tǒng)在有障礙物的情況下有效傳輸距離可達(dá)40m,采集到的數(shù)據(jù)平均相對誤差為9.76%,有效續(xù)航時間約為3個月。本系統(tǒng)可以在規(guī)定的時間點(diǎn)內(nèi)檢測農(nóng)田的環(huán)境情況,完成對環(huán)境的數(shù)據(jù)采集、發(fā)送、接收以及本地儲存,為用戶對農(nóng)作物的生長規(guī)律受環(huán)境的影響提供數(shù)據(jù)參考,降低農(nóng)業(yè)信息化在數(shù)據(jù)采集方面的工作量和工作強(qiáng)度。系統(tǒng)滿足設(shè)計的需求,有著良好的應(yīng)用前景。
[Abstract]:With the continuous development and popularization of wireless sensor network technology, more and more wireless technologies have been applied to various levels of human production and life. It is the key to improve the quality and yield of crops to obtain the environmental index information efficiently. However, the traditional farmland environmental data records are all completed manually. With the development of computer technology and embedded technology, the data are collected and transmitted in farmland by using wired connection such as RS485 or CAN bus. It solves the problem of high cost of human resource acquisition in the process of data acquisition. However, it has the disadvantage of high difficulty in wiring data collection by wire, and also increases the complexity of farmland. In this paper, the cable transmission mode of farmland data acquisition system is often restricted by terrain, installation environment and so on. A farmland data acquisition system based on ZigBee wireless technology is designed. The main contents of this paper are as follows: 1) by analyzing the research status of wireless sensor network technology in the market, the system chooses ZigBee technology as the core to build wireless sensor network. The paper also puts forward the design scheme of farmland wireless data acquisition system. It uses Altium Designer software to design the hardware of the system and draws the PCB circuit board. The module of CC2530 chip and sensor is connected to the terminal. It uses the semi-open source Z-Stack protocol stack to the terminal. The router and coordinator develop program, which can collect, send and receive farmland environment data. It is based on Visual Studio platform to develop upper computer software and cooperate with ACCESS database. The local storage of data and the query function of diachronic data. It is known that the effective transmission distance of the system can reach 40 m in the case of obstacles, the average relative error of the collected data is 9.76, and the effective duration is about 3 months. The system can detect the environment of farmland at a specified time point, Complete the data collection, sending, receiving and local storage of the environment, and provide the data reference for the user's growth law of crops affected by the environment. Reducing the workload and working intensity of agricultural informatization in data collection, the system can meet the needs of the design and has a good application prospect.
【學(xué)位授予單位】：昆明理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TP274.2

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