本文關(guān)鍵詞： 監(jiān)護系統(tǒng) ZigBee 路由算法 生理參數(shù) 社區(qū)　出處：《合肥工業(yè)大學》2014年碩士論文　論文類型：學位論文

【摘要】：近年來，隨著微機電系統(tǒng)和信息技術(shù)的發(fā)展，醫(yī)療器械正趨向便攜化、智能化、網(wǎng)絡化，為遠程醫(yī)療監(jiān)護的研究提供了技術(shù)基礎。目前國內(nèi)監(jiān)護系統(tǒng)醫(yī)療檢測設備多為有線通信，存在布線困難、操作復雜、靈活性差、不利于擴展和維護等缺點，，而已有的無線監(jiān)護系統(tǒng)也難以滿足醫(yī)療對實時性和可靠性的要求，距離實際應用尚遠。ZigBee以其低功耗、安全性好、組網(wǎng)靈活等優(yōu)勢廣泛適用于監(jiān)測、控制等領(lǐng)域。應用ZigBee無線通信技術(shù)，結(jié)合醫(yī)用傳感器，開發(fā)實用的無線智能醫(yī)療監(jiān)護系統(tǒng)具有重要的現(xiàn)實意義。 針對以往醫(yī)療監(jiān)護系統(tǒng)的缺陷，本文基于ZigBee技術(shù)研究了一套面向社區(qū)的遠程醫(yī)療監(jiān)護系統(tǒng)解決方案。系統(tǒng)具有操作簡單、靈活可靠、實時性好等優(yōu)點。 論文通過對系統(tǒng)需求進行分析，設計了系統(tǒng)方案，并詳述了ZigBee網(wǎng)絡體系及組網(wǎng)；在深入分析幾種常見ZigBee路由算法的基礎上，根據(jù)醫(yī)療監(jiān)護網(wǎng)絡的特點，從網(wǎng)絡擁塞控制的角度出發(fā)，研究了一種適用于社區(qū)監(jiān)護網(wǎng)絡的ZigBee路由算法，該算法定義了鏈路狀態(tài)指數(shù)，通過劃分節(jié)點能量級別和設置可用緩存閾值，實現(xiàn)了節(jié)點能耗的均衡，同時避免了數(shù)據(jù)包的丟失，通過在MATLAB環(huán)境中對該算法進行仿真，驗證了其網(wǎng)絡性能的優(yōu)越性；對系統(tǒng)進行了詳細的硬件設計和軟件設計，系統(tǒng)采用便攜輕巧的生理傳感器和CC2430無線單片機采集與發(fā)送患者的生理信息，通過網(wǎng)關(guān)實現(xiàn)了生理數(shù)據(jù)在ZigBee網(wǎng)絡和Internet之間的傳輸，并利用虛擬儀器LabVIEW設計了人機界面；搭建了系統(tǒng)測試平臺進行實驗，實驗結(jié)果驗證了本系統(tǒng)的可行性。
[Abstract]:In recent years, with the development of MEMS and information technology, medical devices are becoming portable, intelligent and networked. It provides a technical basis for the research of telemedicine monitoring. At present, the medical inspection equipment of domestic monitoring system is mostly wired communication, which has the disadvantages of difficult wiring, complex operation, poor flexibility, and so on, which is not conducive to expansion and maintenance, etc. The existing wireless monitoring system is also difficult to meet the real-time and reliability requirements of medical treatment. ZigBee is widely used in monitoring because of its advantages of low power consumption, good security, flexible networking and so on. Application of ZigBee wireless communication technology, combined with medical sensors, the development of a practical wireless intelligent medical monitoring system has important practical significance. Aiming at the defects of the medical monitoring system in the past, this paper studies a set of community oriented remote medical monitoring system based on ZigBee technology. The system has the advantages of simple operation, flexible and reliable operation, good real-time and so on. Based on the analysis of the system requirements, the system scheme is designed, and the ZigBee network architecture and network are described in detail, based on the in-depth analysis of several common ZigBee routing algorithms, according to the characteristics of the medical monitoring network, From the point of view of network congestion control, this paper studies a ZigBee routing algorithm suitable for community monitoring network. The algorithm defines link state index and sets the threshold of available buffer by dividing the energy level of nodes and setting the threshold of available buffer. The equalization of node energy consumption and the avoidance of packet loss are realized. The superiority of the network performance is verified by simulating the algorithm in the MATLAB environment, and the detailed hardware and software design of the system is given. The system adopts portable and light physiological sensor and CC2430 wireless singlechip to collect and send the patient's physiological information, realizes the transmission of physiological data between ZigBee network and Internet through gateway, and designs the man-machine interface by using the virtual instrument LabVIEW. The system test platform is built and the experimental results verify the feasibility of the system.
【學位授予單位】：合肥工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TN92;R-05

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