【摘要】：物聯(lián)網(wǎng)作為第三次信息產(chǎn)業(yè)浪潮,是推動世界高速發(fā)展的“重要生產(chǎn)力”,具有巨大的市場發(fā)展?jié)摿��！叭f物互聯(lián)”也會進一步轉(zhuǎn)變?nèi)藗兊纳罘绞?給人們的生活帶來很大的便利。而物聯(lián)網(wǎng)網(wǎng)關(guān)作為連接感知網(wǎng)絡(luò)與傳輸網(wǎng)絡(luò)的紐帶,主要具備了廣泛的接入能力、協(xié)議轉(zhuǎn)換能力以及管理能力等,是物聯(lián)網(wǎng)系統(tǒng)中不可缺少的核心設(shè)備。對物聯(lián)網(wǎng)網(wǎng)關(guān)的研究成果直接影響了整個物聯(lián)網(wǎng)系統(tǒng)的發(fā)展。 傳統(tǒng)網(wǎng)關(guān)僅僅是工作于網(wǎng)絡(luò)層以上被用于連接不同網(wǎng)絡(luò)的連接器,不能滿足物聯(lián)網(wǎng)網(wǎng)關(guān)的需求；目前已初步發(fā)展的物聯(lián)網(wǎng)網(wǎng)關(guān)也基本上只是關(guān)注功能的實現(xiàn)而忽略了人機交互、用戶體驗的重要性。因此,本文根據(jù)新一代物聯(lián)網(wǎng)網(wǎng)關(guān)的實際需求情況,通過對嵌入式系統(tǒng)技術(shù)、嵌入式Web服務(wù)器技術(shù)、無線傳感器網(wǎng)絡(luò)技術(shù)、人機交互等相關(guān)技術(shù)的研究,選擇ARM Cortex-A8系列處理器為硬件平臺控制核心,搭載目前最流行的移動平臺操作系統(tǒng)Android,在Android系統(tǒng)內(nèi)安裝Web服務(wù)器i-jetty和開發(fā)相應(yīng)的Web項目,最終結(jié)合Zigbee無線傳感器網(wǎng)絡(luò)實現(xiàn)一個可以與節(jié)點進行數(shù)據(jù)傳輸并且能夠控制和管理無線傳感器網(wǎng)絡(luò)的物聯(lián)網(wǎng)網(wǎng)關(guān)。 本文對整個網(wǎng)關(guān)的硬件系統(tǒng)和軟件系統(tǒng)進行了詳細的設(shè)計。首先,針對物聯(lián)網(wǎng)網(wǎng)關(guān)應(yīng)具備的廣泛的接入能力,在選定處理器核心模塊的基礎(chǔ)上設(shè)計了不同的接口模塊,主要包括RS232串口模塊以及USB接口模塊等,以方便不同感知網(wǎng)絡(luò)的接入。其次,針對協(xié)議轉(zhuǎn)換能力,設(shè)計了系統(tǒng)的數(shù)據(jù)通信協(xié)議即數(shù)據(jù)幀格式,以統(tǒng)一系統(tǒng)的數(shù)據(jù)傳輸標準。最后,針對物聯(lián)網(wǎng)網(wǎng)關(guān)應(yīng)具備的管理能力,不僅在Android系統(tǒng)上開發(fā)相應(yīng)的Zigbee接口應(yīng)用實現(xiàn)本地管理,還安裝了i-jetty Web服務(wù)器,以B/S的模式提供一個良好的遠程管理界面。 經(jīng)過測試,本文設(shè)計的物聯(lián)網(wǎng)網(wǎng)關(guān)系統(tǒng)運行穩(wěn)定,反應(yīng)較快,不僅實現(xiàn)了網(wǎng)關(guān)具備的基本功能,還具有良好的人機交互界面,為管理提供了便利。
[Abstract]:As the third wave of information industry, the Internet of things is an "important productive force" to promote the rapid development of the world, and has great market development potential. The Internet of everything will also further change people's way of life and bring great convenience to people's lives. As the link between perceptual network and transmission network, Internet of things gateway mainly has a wide range of access capabilities, protocol conversion ability and management ability, and is an indispensable core equipment in the Internet of things system. The research results of Internet of things gateway directly affect the development of the whole Internet of things system. The traditional gateway is only the connector that works in the network layer and is used to connect different networks, which can not meet the needs of the Internet of things gateway. At present, the Internet of things gateway, which has been initially developed, basically only pays attention to the realization of the function and ignores the importance of human-computer interaction and user experience. Therefore, according to the actual demand of the new generation Internet of things gateway, this paper studies the embedded system technology, embedded Web server technology, wireless sensor network technology, human-computer interaction and other related technologies. The ARM Cortex-A8 series processor is selected as the control core of the hardware platform, and Android, the most popular mobile platform operating system, is used to install Web server i-jetty and develop the corresponding Web project in the Android system. Finally, Zigbee wireless sensor network is used to realize an Internet of things gateway which can transmit data with nodes and control and manage wireless sensor networks. In this paper, the hardware system and software system of the whole gateway are designed in detail. First of all, according to the extensive access ability of Internet of things gateway, different interface modules are designed on the basis of selecting the core module of processor, including RS232 serial port module and USB interface module. In order to facilitate the access of different perceptual networks. Secondly, according to the protocol conversion ability, the data communication protocol of the system, that is, the data frame format, is designed to unify the data transmission standard of the system. Finally, according to the management ability of Internet of things gateway, not only the corresponding Zigbee interface application is developed on Android system to realize local management, but also the i-jetty Web server is installed to provide a good remote management interface in B / S mode. After testing, the Internet of things gateway system designed in this paper runs stably and responds quickly. It not only realizes the basic functions of the gateway, but also has a good human-computer interaction interface, which provides convenience for management.
【學位授予單位】：浙江工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TP391.44;TN915.05

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