發(fā)布時(shí)間：2018-05-19 02:18

  本文選題：無線傳感器網(wǎng)絡(luò) + 智能家居��； 參考：《哈爾濱工業(yè)大學(xué)》2013年碩士論文

【摘要】：當(dāng)前中國正處于經(jīng)濟(jì)和科學(xué)技術(shù)突飛猛進(jìn)的階段，高科技在生活中的應(yīng)用隨處可見，越來越多的人對(duì)日常家庭生活的舒適程度要求越來越高，智能家居應(yīng)運(yùn)而生。智能家居系統(tǒng)將普通的家電設(shè)備通過特殊的技術(shù)實(shí)現(xiàn)互聯(lián)，形成一個(gè)智能化的家庭網(wǎng)絡(luò)，為人們的生活帶來新奇的體驗(yàn)和變革。 本文通過了解智能家居的發(fā)展歷史，國內(nèi)外的研究現(xiàn)狀，分析了當(dāng)前存在的智能家居系統(tǒng)的優(yōu)缺點(diǎn)，根據(jù)市場(chǎng)需求提出了對(duì)外部網(wǎng)絡(luò)接入方式以及家庭內(nèi)部網(wǎng)絡(luò)的組建形式兩點(diǎn)改進(jìn)方案。 通過對(duì)當(dāng)前的市場(chǎng)需求的研究，設(shè)計(jì)了一套嵌入式的智能家居系統(tǒng)，在外部網(wǎng)絡(luò)連接中采用多種接入技術(shù)，利用WiFi、GPRS和因特網(wǎng)實(shí)現(xiàn)客戶端與家庭網(wǎng)關(guān)的連接，同時(shí)在家庭內(nèi)部網(wǎng)絡(luò)中創(chuàng)新采用ZigBee通信協(xié)議組建無線傳感器網(wǎng)絡(luò)，實(shí)現(xiàn)家庭內(nèi)部的無線網(wǎng)絡(luò)互連。 隨后介紹了中央控制器和控制終端設(shè)計(jì)，概述了系統(tǒng)的整體框架和使用的關(guān)鍵技術(shù)，包括外部網(wǎng)絡(luò)的WiFi、GPRS、因特網(wǎng)和家庭內(nèi)部網(wǎng)絡(luò)中的ZigBee通信協(xié)議。根據(jù)需求設(shè)計(jì)了中央控制器和控制終端的硬件結(jié)構(gòu)，詳細(xì)介紹了其中各接口和模塊的功能和作用。 由于當(dāng)前沒有一款針對(duì)廉價(jià)芯片的ZigBee全開源的協(xié)議棧，，本文進(jìn)行了針對(duì)TI公司生產(chǎn)的CC2530射頻芯片的ZigBee協(xié)議棧的開發(fā)，片上操作系統(tǒng)采用輕量級(jí)系統(tǒng)Contiki，利用其事件驅(qū)動(dòng)機(jī)制搭建協(xié)議棧的物理層與MAC層服務(wù)程序，實(shí)現(xiàn)多點(diǎn)對(duì)多點(diǎn)的可靠數(shù)據(jù)傳輸。 最后利用已經(jīng)實(shí)現(xiàn)的協(xié)議棧完成智能家居系統(tǒng)中家庭內(nèi)部網(wǎng)絡(luò)通信，設(shè)計(jì)ZigBee控制器和控制終端軟件，實(shí)現(xiàn)用戶對(duì)家電設(shè)備的遠(yuǎn)程控制。在溫度監(jiān)控系統(tǒng)的數(shù)據(jù)傳輸中加入分布式信源編碼，通過數(shù)據(jù)壓縮的方式減少網(wǎng)絡(luò)中的數(shù)據(jù)收發(fā)量，從而降低節(jié)點(diǎn)能量消耗，同時(shí)設(shè)計(jì)上位機(jī)控制程序進(jìn)行反向控制和數(shù)據(jù)的實(shí)時(shí)顯示。
[Abstract]:At present, China is in the stage of rapid development of economy and science and technology. The application of high technology in life can be seen everywhere. More and more people are demanding more and more comfortable degree of daily family life, and smart home emerges as the times require. The smart home system interconnects common household appliances through special technology, and forms an intelligent home network, which brings novel experiences and changes to people's lives. This paper analyzes the advantages and disadvantages of the existing smart home system through the understanding of the development history of smart home and the current research situation at home and abroad. According to the market demand, this paper puts forward two improvements to the external network access mode and the formation of the home internal network. Through the research of the current market demand, an embedded intelligent home system is designed, which uses various access technologies in the external network connection, and realizes the connection between the client and the home gateway by using WiFiGPRS and Internet. At the same time, the wireless sensor network (WSN) is constructed by using ZigBee protocol in the home internal network to realize the wireless network interconnection within the home. Then the design of the central controller and the control terminal is introduced. The overall framework and key technologies of the system are summarized, including the WiFiGPRS of the external network, the ZigBee communication protocol in the Internet and the internal network of the home. The hardware structure of the central controller and the control terminal is designed according to the requirement, and the functions and functions of each interface and module are introduced in detail. Because there is not a fully open source ZigBee protocol stack for cheap chips, this paper develops a ZigBee protocol stack for CC2530 RF chips produced by TI. The operating system on chip adopts the lightweight system Contiki and uses its event-driven mechanism to build the physical layer and MAC layer service program of the protocol stack to realize the reliable multi-point to multi-point data transmission. Finally, the network communication within the home is completed by using the protocol stack, and the ZigBee controller and the control terminal software are designed to realize the remote control of the household appliances. The distributed source coding is added to the data transmission of the temperature monitoring system to reduce the amount of data received and received in the network by the way of data compression, thus reducing the energy consumption of the node. At the same time, the upper computer control program is designed for reverse control and real-time display of data.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TN92;TU855

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