基于低功耗策略的智能家居控制系統(tǒng)的研究與設(shè)計(jì)
發(fā)布時(shí)間：2018-01-12 00:01
本文關(guān)鍵詞：基于低功耗策略的智能家居控制系統(tǒng)的研究與設(shè)計(jì) 出處：《江蘇科技大學(xué)》2015年碩士論文 論文類(lèi)型：學(xué)位論文
更多相關(guān)文章： 智能家居 低功耗 嵌入式 ZigBee 動(dòng)態(tài)拓?fù)?/b>
【摘要】：隨著科技的發(fā)展和生活水平的提高,人們開(kāi)始追求更加舒適安全的家居生活環(huán)境,家庭智能化成為了一種潮流趨勢(shì)。智能家居系統(tǒng)通過(guò)將家庭內(nèi)部各個(gè)獨(dú)立的電氣設(shè)備連接起來(lái),形成一個(gè)具有一定智慧的家居生活環(huán)境,大大提高人們?nèi)粘Ｉ畹氖孢m性和便利性。基于國(guó)內(nèi)外智能家居系統(tǒng)研究現(xiàn)狀,本文設(shè)計(jì)和實(shí)現(xiàn)了一種基于嵌入式技術(shù)的智能家居下位機(jī)系統(tǒng),該系統(tǒng)由家庭網(wǎng)關(guān)、智能控制終端組成,支持多種通信方式,可以控制多種家庭設(shè)備。其中,家庭網(wǎng)關(guān)的功能是:通過(guò)以太網(wǎng)、GPRS或WIFI連接外部網(wǎng)絡(luò),進(jìn)行系統(tǒng)管理;控制終端主要用于本地控制和實(shí)時(shí)顯示,具有監(jiān)測(cè)環(huán)境信息、控制電燈和開(kāi)關(guān)、空調(diào)等電器設(shè)備的功能。兩者均具有故障報(bào)警及自動(dòng)修復(fù)能力。無(wú)線(xiàn)通信技術(shù)免除了家庭設(shè)備繁瑣的布線(xiàn)程序,在智能家具系統(tǒng)中被廣泛采用。常用的幾種無(wú)線(xiàn)通信技術(shù)有:藍(lán)牙、WiFi、GPRS以及ZigBee。其中ZigBee無(wú)線(xiàn)通信技術(shù)具有組網(wǎng)靈活和功耗低的特點(diǎn),是本設(shè)計(jì)采用的關(guān)鍵技術(shù),基于ZigBee無(wú)線(xiàn)通信技術(shù),本文提出了智能家居系統(tǒng)內(nèi)部組網(wǎng)方案并設(shè)計(jì)了異構(gòu)網(wǎng)絡(luò)通信協(xié)議。本文重點(diǎn)設(shè)計(jì)了家庭網(wǎng)關(guān)和智能控制終端。首先通過(guò)分析家庭網(wǎng)關(guān)和智能終端的功能需求,并遵循低功耗設(shè)計(jì)的理念,提出家庭網(wǎng)關(guān)和控制終端的硬件總體結(jié)構(gòu)設(shè)計(jì)方案,同時(shí)對(duì)各個(gè)功能模塊的電路設(shè)計(jì)和模塊的主要參數(shù)做了相應(yīng)說(shuō)明。為了實(shí)現(xiàn)系統(tǒng)的功能,在硬件設(shè)計(jì)完成的基礎(chǔ)上,進(jìn)行了家庭網(wǎng)關(guān)和控制終端的軟件設(shè)計(jì)。與硬件設(shè)計(jì)類(lèi)似,根據(jù)具體的需求,設(shè)計(jì)了家庭網(wǎng)關(guān)和控制終端的軟件總體架構(gòu),給出了各部分的軟件工作流程,在軟件設(shè)計(jì)中也遵循了低功耗的設(shè)計(jì)思想。此外本文用設(shè)計(jì)的節(jié)點(diǎn)對(duì)ZigBee無(wú)線(xiàn)傳感網(wǎng)的動(dòng)態(tài)拓?fù)鋬?yōu)化算法的正確性和有效性進(jìn)行了驗(yàn)證。網(wǎng)絡(luò)中的節(jié)點(diǎn)由于電量耗盡離線(xiàn)以后會(huì)導(dǎo)致拓?fù)浣Y(jié)構(gòu)的變化,影響整個(gè)系統(tǒng)的壽命,本文提出的動(dòng)態(tài)拓?fù)鋬?yōu)化算法一方面可以提高網(wǎng)絡(luò)的連接率,另一方面可以平衡路由節(jié)點(diǎn)和終端設(shè)備的負(fù)載。仿真結(jié)果表明,改良的算法提高了組網(wǎng)連通率,延長(zhǎng)了網(wǎng)絡(luò)壽命,從整個(gè)系統(tǒng)的層面實(shí)現(xiàn)了功耗的優(yōu)化。在系統(tǒng)設(shè)計(jì)完成后,通過(guò)手機(jī)、上位機(jī)和智能遙控終端分別對(duì)系統(tǒng)的控制功能進(jìn)行了測(cè)試,結(jié)果顯示用戶(hù)通過(guò)不同的客戶(hù)端均可以實(shí)現(xiàn)對(duì)智能家居系統(tǒng)的基本控制,系統(tǒng)運(yùn)行完成,達(dá)到預(yù)期效果。
[Abstract]:With the development of science and technology and the improvement of living standards, people began to pursue a more comfortable and safe living environment at home. Home intellectualization has become a trend. Smart home system forms a smart home living environment by connecting various independent electrical devices within the home. Greatly improve the comfort and convenience of people's daily life. Based on the domestic and foreign research status of smart home system, this paper designs and implements a kind of intelligent home lower computer system based on embedded technology. The system is composed of home gateway, intelligent control terminal, supports a variety of communication modes, can control a variety of home devices, among which, the function of home gateway is: through Ethernet. GPRS or WIFI is connected to the external network to manage the system. The control terminal is mainly used for local control and real-time display, with monitoring of environmental information, control lights and switches. Air conditioning and other electrical equipment functions. Both have the ability of fault alarm and automatic repair. Wireless communication technology eliminates the cumbersome wiring procedures of home equipment. It is widely used in intelligent furniture system. Several wireless communication technologies are commonly used: Bluetooth WiFi. GPRS and ZigBee. among them, ZigBee wireless communication technology has the characteristics of flexible networking and low power consumption. It is the key technology of this design, based on ZigBee wireless communication technology. In this paper, we put forward the inner networking scheme of smart home system and design the heterogeneous network communication protocol. This paper focuses on the design of home gateway and intelligent control terminal. Firstly, the functional requirements of home gateway and intelligent terminal are analyzed. Following the concept of low-power design, the hardware architecture of home gateway and control terminal is designed. At the same time, the circuit design of each functional module and the main parameters of the module are explained. In order to realize the function of the system, the hardware design is completed. The software design of the home gateway and the control terminal is carried out. Similar to the hardware design, the software architecture of the home gateway and the control terminal is designed according to the specific requirements, and the software workflow of each part is given. In addition, the design node is used to verify the correctness and validity of the dynamic topology optimization algorithm of ZigBee wireless sensor network. The topology changes when the power is exhausted off the line. The proposed dynamic topology optimization algorithm can improve the connection rate of the network on the one hand and balance the load of the routing node and terminal equipment on the other. The simulation results show that the proposed dynamic topology optimization algorithm can improve the network connection rate and balance the load of the routing node and terminal equipment. The improved algorithm improves the network connectivity, prolongs the network life, and optimizes the power consumption from the whole system level. After the system design is completed, the mobile phone is adopted. The control function of the system is tested by the upper computer and the intelligent remote control terminal. The results show that the user can realize the basic control of the smart home system through different clients, and the system operation is complete. Achieve the desired effect.
【學(xué)位授予單位】：江蘇科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類(lèi)號(hào)】：TU855;TP273
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