【摘要】：物聯(lián)網(wǎng)終端設(shè)備是物聯(lián)網(wǎng)感知的核心組成,對物聯(lián)網(wǎng)發(fā)展至關(guān)重要。當(dāng)前的物聯(lián)網(wǎng)終端大多針對某一特定領(lǐng)域的應(yīng)用而開發(fā),通用性及兼容性較差,制約著物聯(lián)網(wǎng)終端設(shè)備的使用與推廣�；诖�,本文旨在研制具有柔性接口及一定通用性的物聯(lián)網(wǎng)嵌入式終端設(shè)備,并對其相關(guān)關(guān)鍵技術(shù)進行研究。主要體現(xiàn)在以下幾個方面： (1)為滿足多種傳感器接入的需求,研究了支持多傳感器接入的物聯(lián)網(wǎng)嵌入式終端的柔性配置方法,設(shè)計了相應(yīng)的硬件接口、通訊協(xié)議、中間件及應(yīng)用層配置工具,開發(fā)了物聯(lián)網(wǎng)嵌入式終端設(shè)備,實現(xiàn)了終端交互、配置等功能； (2)基于ZigBee協(xié)議,利用Z-Stack的任務(wù)調(diào)度和消息傳遞機制,研究了物聯(lián)網(wǎng)節(jié)點的組網(wǎng)方法,并基于嵌入式系統(tǒng)架構(gòu),實現(xiàn)了物聯(lián)網(wǎng)終端設(shè)備的組網(wǎng)及無線傳輸?shù)墓δ埽?(3)詳細分析了嵌入式物聯(lián)網(wǎng)終端設(shè)備的功耗、參數(shù)及性能,研究了嵌入式終端設(shè)備的電源、工作模式管理機制,并結(jié)合Z-Stack的低功耗策略,優(yōu)化了嵌入式設(shè)備的能效管理功能； (4)針對物聯(lián)網(wǎng)的安全需求,研究基于物理隔離的物聯(lián)網(wǎng)隔離機制,設(shè)計了相應(yīng)的運行機制和通訊協(xié)議,開發(fā)了具有物理隔離功能的物聯(lián)網(wǎng)網(wǎng)關(guān)設(shè)備。 以冷鏈物流為背景,測試和驗證了系統(tǒng)的功能,實現(xiàn)了自組網(wǎng)、柔性傳感器接入、低功耗、網(wǎng)絡(luò)安全隔離的特性,整個系統(tǒng)可擴展性強,具有一定實用性。
[Abstract]:Internet of things terminal equipment is the core component of Internet of things perception, and it is very important to the development of Internet of things. Most of the current Internet of things terminals are developed for the application of a particular field. The poor universality and compatibility restrict the use and promotion of the Internet of things terminal equipment. Based on this, the purpose of this paper is to develop a flexible interface and a certain universality of the Internet of things embedded terminal equipment, and to study its key technologies. The main contents are as follows: (1) in order to meet the requirements of multi-sensor access, the flexible configuration method of Internet of things embedded terminal supporting multi-sensor access is studied, and the corresponding hardware interface and communication protocol are designed. Middleware and application layer configuration tools, developed the Internet of things embedded terminal equipment, to achieve terminal interaction, configuration and other functions; (2) based on ZigBee protocol, using the task scheduling and message passing mechanism of Z-Stack, this paper studies the networking method of Internet of things node, and realizes the networking and wireless transmission function of Internet of things terminal equipment based on embedded system architecture; (3) the power consumption, parameters and performance of embedded Internet of things terminal device are analyzed in detail, and the power supply and working mode management mechanism of embedded terminal device are studied, and the low power consumption strategy of Z-Stack is combined. The energy efficiency management function of embedded devices is optimized. (4) according to the security requirement of Internet of things, this paper studies the isolation mechanism of Internet of things based on physical isolation, designs the corresponding operation mechanism and communication protocol, and develops the gateway equipment of Internet of things with physical isolation function. Under the background of cold chain logistics, the function of the system is tested and verified, and the features of ad hoc network, flexible sensor access, low power consumption and network security isolation are realized. The whole system has strong expansibility and is practical.
【學(xué)位授予單位】：華東理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TP391.44;TN929.5

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