發(fā)布時(shí)間：2018-09-12 18:42

【摘要】：伴隨著工業(yè)化的進(jìn)程，自然環(huán)境受到了極大的破壞，人類(lèi)對(duì)環(huán)境的傷害已經(jīng)演變成自然對(duì)人類(lèi)的報(bào)復(fù)，極端惡劣環(huán)境的頻繁和長(zhǎng)期出現(xiàn)已經(jīng)向世人敲響了警鐘，如何高效監(jiān)測(cè)環(huán)境并為后續(xù)的治理提供科學(xué)的依據(jù)是當(dāng)前亟待解決的問(wèn)題，構(gòu)建用于監(jiān)測(cè)環(huán)境的系統(tǒng)則迫在眉睫,因此本文設(shè)計(jì)了面向短距離低功耗物聯(lián)網(wǎng)應(yīng)用的無(wú)線ZigBee系統(tǒng)。 本文分析和列舉了幾種短距離無(wú)線通信技術(shù)，并對(duì)各技術(shù)的屬性進(jìn)行對(duì)比，最終得出了ZigBee技術(shù)最適合用于組建無(wú)線傳感網(wǎng)絡(luò)（WSN）的結(jié)論。本系統(tǒng)微處理平臺(tái)使用STM32L151芯片，并運(yùn)用ZICM2410模塊搭建傳感網(wǎng)絡(luò)，并以SIM900B實(shí)現(xiàn)遠(yuǎn)程通信。系統(tǒng)設(shè)計(jì)為終端節(jié)點(diǎn)采集數(shù)據(jù)，并以單跳方式發(fā)送至協(xié)調(diào)器節(jié)點(diǎn)，協(xié)調(diào)器再采用GSM（Global System for Mobile Communications）方式將數(shù)據(jù)發(fā)送至遠(yuǎn)程管理中心，同時(shí)編寫(xiě)動(dòng)態(tài)的網(wǎng)絡(luò)管理程序，使終端節(jié)點(diǎn)能自由加入和脫離網(wǎng)絡(luò)。遠(yuǎn)程管理中心的PC端則使用RealTerm軟件實(shí)現(xiàn)串口數(shù)據(jù)的接收和存儲(chǔ)，利用開(kāi)源項(xiàng)目ECharts實(shí)現(xiàn)數(shù)據(jù)的交互式顯示。 本文所設(shè)計(jì)的無(wú)線ZigBee系統(tǒng)具有低成本、低功耗、體積小等優(yōu)點(diǎn)，測(cè)試結(jié)果表明，系統(tǒng)能夠構(gòu)建無(wú)線網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)，可快速組網(wǎng)并實(shí)時(shí)采集監(jiān)測(cè)區(qū)域的數(shù)據(jù)。本系統(tǒng)的擴(kuò)展性較好，能根據(jù)不同的需求在傳感器節(jié)點(diǎn)上擴(kuò)充各種感知器以實(shí)現(xiàn)更多的功能。
[Abstract]:With the process of industrialization, the natural environment has been greatly damaged, human harm to the environment has evolved into natural revenge on human beings, the frequent and long-term emergence of extreme harsh environment has sounded the alarm to the world. How to efficiently monitor the environment and provide a scientific basis for the subsequent governance is an urgent problem to be solved, and it is urgent to build a system for monitoring environment. Therefore, a wireless ZigBee system for short-range low-power Internet of things applications is designed in this paper. This paper analyzes and enumerates several short-range wireless communication technologies, and compares the attributes of each technology, finally comes to the conclusion that ZigBee technology is the most suitable for the establishment of wireless sensor network (WSN). The microprocessing platform uses STM32L151 chip and ZICM2410 module to set up the sensor network. The remote communication is realized by SIM900B. The system is designed for the terminal node to collect data and send it to the coordinator node in a single hop mode. The coordinator then transmits the data to the remote management center by GSM (Global System for Mobile Communications) mode. At the same time, the dynamic network management program is written. Enables terminal nodes to freely join and disconnect from the network. The PC terminal of the remote management center uses RealTerm software to realize the receiving and storing of serial port data, and the open source project ECharts is used to realize the interactive display of the data. The wireless ZigBee system designed in this paper has the advantages of low cost, low power consumption, small volume and so on. The test results show that the system can construct the wireless network topology, quickly set up the network and collect the data of the monitoring area in real time. The system has good expansibility and can expand various sensors on sensor nodes according to different requirements to achieve more functions.
【學(xué)位授予單位】：華中科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：TP391.44;TN92

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