發(fā)布時(shí)間：2018-07-04 14:53

  本文選題：ZigBee + 無(wú)線網(wǎng)絡(luò)　； 參考：《西安電子科技大學(xué)》2014年碩士論文

【摘要】：隨著無(wú)線通信技術(shù)的迅猛發(fā)展,繼藍(lán)牙、Wi-Fi之后,ZigBee作為一種新興的短距離、低速率無(wú)線個(gè)域網(wǎng)技術(shù),被廣泛地應(yīng)用于工業(yè)、醫(yī)療、環(huán)境監(jiān)測(cè)、智能建筑、數(shù)字家庭等領(lǐng)域。這些領(lǐng)域數(shù)據(jù)傳輸量不大,需要較低的成本,或是地形復(fù)雜,監(jiān)測(cè)點(diǎn)多,不宜布線。本文利用ZigBee技術(shù)設(shè)計(jì)了無(wú)線窗控系統(tǒng),實(shí)現(xiàn)了對(duì)窗控節(jié)點(diǎn)的無(wú)線控制與監(jiān)測(cè)。本文研究的主要內(nèi)容如下:1.分析了ZigBee網(wǎng)絡(luò)技術(shù)與IEEE802.15.4標(biāo)準(zhǔn);比較了三種常用的近距離無(wú)線網(wǎng)絡(luò)技術(shù)(藍(lán)牙、Wi-Fi、ZigBee);研究了ZigBee的三種網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)(星狀、網(wǎng)狀、樹狀)、ZigBee協(xié)議體系結(jié)構(gòu)、組網(wǎng)技術(shù)及網(wǎng)絡(luò)地址分配的算法。2.無(wú)線窗控系統(tǒng)終端節(jié)點(diǎn)硬件電路的設(shè)計(jì)與制作。針對(duì)無(wú)線窗控系統(tǒng)需要實(shí)現(xiàn)的功能,基于CC2530芯片對(duì)無(wú)線窗控系統(tǒng)終端節(jié)點(diǎn)的硬件電路進(jìn)行了設(shè)計(jì)與制作。終端節(jié)點(diǎn)主要分為兩個(gè)模塊,分別是電源模塊和驅(qū)動(dòng)模塊。電源模塊包括開關(guān)電源電路和降壓電路兩部分。開關(guān)電源采用反激式電路,主要用于給電機(jī)供電;降壓電路主要用于輸出5V和3.3V電壓。驅(qū)動(dòng)模塊用于控制電機(jī),改變電機(jī)正轉(zhuǎn)與反轉(zhuǎn)的工作模式即窗戶打開與關(guān)閉。本文詳細(xì)計(jì)算了驅(qū)動(dòng)模塊和電源模塊中相關(guān)電路的參數(shù),并完成PCB電路板的制作。3.ZigBee無(wú)線窗控系統(tǒng)軟件設(shè)計(jì)。根據(jù)Z-Stack協(xié)議棧及系統(tǒng)功能要求,設(shè)計(jì)了無(wú)線窗控系統(tǒng)組網(wǎng)及數(shù)據(jù)傳輸?shù)牧鞒虉D。在此基礎(chǔ)上,利用IAR軟件環(huán)境,編程實(shí)現(xiàn)了PC機(jī)、協(xié)調(diào)器、終端節(jié)點(diǎn)之間無(wú)線數(shù)據(jù)傳輸。窗控節(jié)點(diǎn)將采集的接近開關(guān)狀態(tài)發(fā)送到協(xié)調(diào)器中,協(xié)調(diào)器將收到的數(shù)據(jù)發(fā)送到PC機(jī);PC機(jī)發(fā)出命令,由協(xié)調(diào)器轉(zhuǎn)發(fā)到終端節(jié)點(diǎn),改變電機(jī)的工作模式。4.組建與測(cè)試基于ZigBee網(wǎng)絡(luò)的無(wú)線窗控系統(tǒng)。利用多個(gè)制作的窗控節(jié)點(diǎn)作為終端節(jié)點(diǎn),液晶開發(fā)板作為協(xié)調(diào)器和路由器,建立星形和樹形的網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)。基于串口助手和無(wú)線窗控系統(tǒng)軟件,對(duì)星形和樹形的無(wú)線窗控系統(tǒng)進(jìn)行功能測(cè)試。基于無(wú)線窗控系統(tǒng)軟件,可以監(jiān)控接近開關(guān)的狀態(tài),判斷窗戶打開或關(guān)閉;也可以發(fā)送控制命令到窗控節(jié)點(diǎn)中,控制電機(jī)正轉(zhuǎn)與反轉(zhuǎn),打開或關(guān)閉窗戶。
[Abstract]:With the rapid development of wireless communication technology, ZigBee has been widely used in industry, medical treatment, environmental monitoring, intelligent building, digital home and other fields as a new technology of wireless personal area network (WPAN), after Bluetooth Wi-Fi. Data transmission in these fields is small, requires low cost, or complex terrain, monitoring points, not suitable for routing. In this paper, the wireless window control system is designed by using ZigBee technology, and the wireless control and monitoring of window control nodes are realized. The main contents of this paper are as follows: 1. This paper analyzes ZigBee network technology and IEEE 802.15.4 standard, compares three commonly used wireless network technologies (Bluetooth Wi-Fi / ZigBee), studies three network topologies (star, mesh, tree) of ZigBee, and studies ZigBee protocol architecture. Networking technology and network address allocation algorithm. 2. Design and manufacture of terminal node hardware circuit of wireless window control system. Aiming at the function of wireless window control system, the hardware circuit of terminal node of wireless window control system is designed and fabricated based on CC2530 chip. The terminal node is divided into two modules, power module and driving module. The power module includes two parts: switching power circuit and voltage-down circuit. The switching power supply adopts flyback circuit, which is mainly used to supply power to the motor, and the step-down circuit is mainly used to output 5V and 3.3V voltages. The driving module is used to control the motor and change the working mode of the positive turn and reverse of the motor, that is, the windows are opened and closed. In this paper, the parameters of the related circuits in the driving module and the power module are calculated in detail, and the software design of the PCB circuit board. 3. ZigBee wireless window control system is completed. According to Z-Stack protocol stack and system function requirements, the flow chart of wireless window control system network and data transmission is designed. On this basis, wireless data transmission between PC, coordinator and terminal nodes is realized by using IAR software environment. The window control node sends the collected close switch state to the coordinator, and the coordinator sends the received data to the PC computer to issue the command. The coordinator transmits the data to the terminal node to change the working mode of the motor. Build and test the wireless window control system based on ZigBee network. Using multiple window control nodes as terminal nodes and liquid crystal development board as coordinator and router, the network topology of star and tree is established. Based on serial port assistant and wireless window control system software, the function of star and tree wireless window control system is tested. Based on the software of wireless window control system, it can monitor the state of the close switch, judge whether the window is open or closed, or send control commands to the window control node, control the motor forward turn and reverse, open or close the window.
【學(xué)位授予單位】：西安電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN92

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