基于物聯(lián)網(wǎng)技術(shù)的智能實(shí)驗(yàn)室的研究與實(shí)現(xiàn)
本文選題:物聯(lián)網(wǎng) + 智能實(shí)驗(yàn)室; 參考:《杭州電子科技大學(xué)》2014年碩士論文
【摘要】:未來的世界無疑將是一個(gè)伴隨著泛在計(jì)算和網(wǎng)絡(luò)的智能化世界,而物聯(lián)網(wǎng)(the Internet ofThings,IoT)會是實(shí)現(xiàn)這一目標(biāo)的重要途徑。實(shí)驗(yàn)室作為高校用于教學(xué)和科研的重要場所,其管理水平在一定程度上對高校的發(fā)展起到了影響作用。因此,針對當(dāng)前實(shí)驗(yàn)室管理效率低、信息化程度低的問題,以及為了探索智能實(shí)驗(yàn)室的應(yīng)用需求和特點(diǎn),本文基于物聯(lián)網(wǎng)技術(shù)對智能實(shí)驗(yàn)室系統(tǒng)進(jìn)行了研究,給出了完整的解決方案,在此基礎(chǔ)上搭建了一個(gè)智能化實(shí)驗(yàn)室系統(tǒng)的模型。 論文首先以實(shí)驗(yàn)室管理和物聯(lián)網(wǎng)的發(fā)展應(yīng)用為背景,分析了國內(nèi)外的相關(guān)研究情況,論述了研究智能實(shí)驗(yàn)室系統(tǒng)的必要性與現(xiàn)實(shí)意義,并對課題的研究內(nèi)容、技術(shù)難點(diǎn)、創(chuàng)新點(diǎn)和內(nèi)容安排做了說明。其次,從全局的角度出發(fā)綜合闡述了系統(tǒng)的整體框架和設(shè)計(jì)方案,詳細(xì)介紹了系統(tǒng)涉及到的關(guān)鍵技術(shù)的背景和內(nèi)容。系統(tǒng)的整體框架結(jié)構(gòu)來自于物聯(lián)網(wǎng)體系的分層架構(gòu),最上層是以Web服務(wù)器、PHP和MySQL等技術(shù)搭建的服務(wù)器層,對應(yīng)于物聯(lián)網(wǎng)中的應(yīng)用層;中間層是以嵌入式技術(shù)為主的網(wǎng)關(guān),對應(yīng)于物聯(lián)網(wǎng)中的網(wǎng)絡(luò)層;最底層是以ZigBee、傳感器、微控制器和RFID等技術(shù)組織而成的無線傳感網(wǎng)絡(luò),對應(yīng)于物聯(lián)網(wǎng)中的感知層。出于設(shè)計(jì)、安裝和維護(hù)的便利性,對無線傳感網(wǎng)絡(luò)采用了分離結(jié)構(gòu),將其中的節(jié)點(diǎn)拆分為ZigBee節(jié)點(diǎn)和終端控制器兩個(gè)部分,前者負(fù)責(zé)無線網(wǎng)絡(luò)的組網(wǎng)和信息的傳遞,后者負(fù)責(zé)底層具體硬件的數(shù)據(jù)讀取和控制。 然后,全面深入講述了系統(tǒng)各層和各個(gè)模塊的軟硬件設(shè)計(jì)。系統(tǒng)的網(wǎng)關(guān)以ARM處理器為核心,,主要負(fù)責(zé)服務(wù)器層和無線傳感網(wǎng)絡(luò)之間的信息轉(zhuǎn)換,并且結(jié)合Qt和觸摸屏技術(shù)對部分信息進(jìn)行了顯示,是整個(gè)系統(tǒng)的中間層。無線傳感網(wǎng)絡(luò)建立在ZigBee網(wǎng)絡(luò)的基礎(chǔ)之上,綜合運(yùn)用多種傳感器和微控制器、RFID、繼電器、電子鎖等,實(shí)現(xiàn)了環(huán)境信息的采集、實(shí)驗(yàn)設(shè)備的電源控制和門禁等功能。服務(wù)器層通過Web服務(wù)器和數(shù)據(jù)庫的搭建,方便了管理人員和老師通過遠(yuǎn)程登錄進(jìn)行相關(guān)的監(jiān)控。 最后對根據(jù)上述方案設(shè)計(jì)的智能實(shí)驗(yàn)室系統(tǒng)進(jìn)行了分塊和整體的測試。測試結(jié)果表明,所設(shè)計(jì)的智能實(shí)驗(yàn)室系統(tǒng)實(shí)現(xiàn)了設(shè)計(jì)前的功能需求,達(dá)到了方案設(shè)計(jì)時(shí)設(shè)定的各項(xiàng)指標(biāo)。系統(tǒng)整體層次分明,結(jié)構(gòu)嚴(yán)謹(jǐn),遠(yuǎn)程監(jiān)控穩(wěn)定可靠,為智能實(shí)驗(yàn)室的研究提供了模型。
[Abstract]:There is no doubt that the future world will be an intelligent world with ubiquitous computing and network, and the Internet of things will be an important way to achieve this goal. As an important place for teaching and scientific research in colleges and universities, the management level of laboratories has played an important role in the development of colleges and universities to some extent. Therefore, aiming at the problems of low efficiency of laboratory management and low degree of information, and in order to explore the application requirements and characteristics of intelligent laboratory, this paper studies the intelligent laboratory system based on the technology of Internet of things. A complete solution is given, and a model of intelligent laboratory system is built. Firstly, based on the development and application of laboratory management and Internet of things, this paper analyzes the relevant research situation at home and abroad, discusses the necessity and practical significance of the research on intelligent laboratory system, and discusses the research contents and technical difficulties of the subject. Innovation points and content arrangements are explained. Secondly, the overall framework and design scheme of the system are expounded from the overall perspective, and the background and content of the key technologies involved in the system are introduced in detail. The whole frame structure of the system comes from the hierarchical architecture of the Internet of things system. The top layer is the server layer based on Web server and MySQL, which corresponds to the application layer in the Internet of things, and the middle layer is the gateway based on embedded technology. It corresponds to the network layer in the Internet of things, and the lowest layer is the wireless sensor network organized by ZigBee, sensor, microcontroller and RFID, which corresponds to the sensing layer in the Internet of things. For the convenience of design, installation and maintenance, the wireless sensor network is divided into two parts: the ZigBee node and the terminal controller. The former is responsible for the networking and information transmission of the wireless network. The latter is responsible for the data reading and control of the underlying hardware. Then, the software and hardware design of each layer and module of the system is described in detail. The gateway of the system takes the ARM processor as the core, mainly responsible for the information conversion between the server layer and the wireless sensor network, and displays part of the information with the combination of QT and touch screen technology, which is the middle layer of the whole system. Wireless sensor network is built on the basis of ZigBee network. The functions of environment information collection, power supply control and access control of experimental equipment are realized by synthetically using various sensors and microcontrollers such as RFID, relay, electronic lock and so on. The server layer is built by Web server and database, which makes it convenient for managers and teachers to monitor by remote login. Finally, the intelligent laboratory system designed according to the above scheme has been divided into blocks and tested as a whole. The test results show that the designed intelligent laboratory system meets the functional requirements before design and meets the requirements set in the scheme design. The system is well-structured, stable and reliable, and provides a model for the research of intelligent laboratory.
【學(xué)位授予單位】:杭州電子科技大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:TN929.5;TP391.44
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