本文選題：WoT技術 + 物聯(lián)網　； 參考：《華東師范大學》2014年碩士論文

【摘要】：隨著計算機網絡技術和信息技術的發(fā)展,物聯(lián)網技術開始覆蓋人們生活的每個領域。物聯(lián)網的基本思想在于將各類智慧對象,如傳感器、手機、射頻標簽等,相互關聯(lián)起來,通過一定的通訊機制建立彼此的協(xié)作。這種基本思想與Web技術相結合,就產生了Web of Things的新理念,即WoT技術。 與此同時,在最近幾年的發(fā)展中,物聯(lián)網技術主要以垂直行業(yè)應用為主,并且存在系統(tǒng)部署成本高、缺乏跨平臺或跨行業(yè)的資源共享、用戶只能被動接受服務而無法參與服務生成等問題。以智能家居為例,傳統(tǒng)的IoT系統(tǒng)主要關注的是單一元件或單一平臺的智能化實現(xiàn),跨元件跨平臺之間無法進行交互,資源與服務也無法進行共享。因此,WoT技術的出現(xiàn)正好彌補了IoT技術的這些缺點,特別是在低成本、跨平臺需求高以及開放性高的場景,WoT技術的互聯(lián)與自由發(fā)揮著獨特的優(yōu)勢。 本文基于對WoT技術的研究,利用網絡通信技術、安全防范技術、自動控制技術等將智能家居系統(tǒng)中的插座及其功能集成化,從而構建高效科學的家居電源管理體系,實現(xiàn)家居用電的安全性、便捷性和舒適性。論文的重點工作主要由下述三點組成： 其一,討論和分析WoT技術的國內外研究現(xiàn)狀以及其在智能家居領域的應用實例。由于WoT技術能夠與其他Web平臺進行良好的集成與互通,而且能夠借鑒許多成熟技術快速生成業(yè)務,因此國內外的許多平臺都是基于WoT技術搭建的,比如Cosm平臺等。本文通過分析這些成熟的案例,比較它們在技術上的優(yōu)勢和劣勢,并將其應用到項目的研究當中。 其二,綜合軟件工程理論和實踐,論文具體描述了WoT智能插座系統(tǒng)的整體實現(xiàn)過程,包括需求分析、功能設計、系統(tǒng)軟硬件的開發(fā)和測試等。在整個實現(xiàn)過程中,基于安全性和實用性的考慮,項目根據(jù)不同的網絡情景又將系統(tǒng)分為內網和外網兩種模式,即通過路由器實現(xiàn)交互的局域網模式和通過服務器實現(xiàn)交互的互聯(lián)網模式。論文將重點討論在這兩種模式下系統(tǒng)的通信協(xié)議和功能架構的具體實現(xiàn)。 其三,分析和解決WoT智能插座系統(tǒng)的開放性與安全性問題。一方面,本文利用WoT的自身技術特點預留功能接口來實現(xiàn)開放性功能,從而方便其他系統(tǒng)讀取或訪問本系統(tǒng)的信息資源。另一方面,本文通過HTTPS協(xié)議的應用來解決安全性的問題,SSL層的添加能夠在一定程度上阻止來自互聯(lián)網的騷擾和攻擊。 經過測試和驗證,本文實現(xiàn)的智能插座系統(tǒng),相比于既有的智能插座系統(tǒng),擁有如下的特點和優(yōu)勢： 其一,本文的系統(tǒng)在操作和體驗上增加了更多的功能,同時在響應時間、系統(tǒng)功耗等參數(shù)對比上擁有較大的優(yōu)勢。 其二,與以往的智能插座不同,本系統(tǒng)不是單一存在的,與智能電表、智能燈具等系統(tǒng)一起,屬于智能家居的一部分。因此,它預留了用戶信息和插座信息等接口,擁有與其他系統(tǒng)進行交互的功能。 其三,相比于之前的通信模式,本系統(tǒng)在安全設計方面采取一定措施,一定程度上增加了系統(tǒng)訪問的安全性。 在今后,WoT技術將會發(fā)揮更廣泛的作用,而更多的物聯(lián)網產品將會青睞于WoT系統(tǒng)的優(yōu)勢和特色。在這個過程中,本文基于WoT技術的實踐研究或許能夠給未來的發(fā)展提供一定價值的參考。
[Abstract]:With the development of computer network technology and information technology, networking technology, people began to cover the life of every field. The basic idea is that things will be all kinds of wisdom, such as sensors, mobile phone, radio frequency label, in conjunction with each other, to establish cooperation with each other through the communication mechanism. The basic idea of combined with Web technology it created a new concept of Web of Things, that is WoT.
At the same time, in recent years the development of networking technology mainly in vertical industry applications, and system deployment costs are high, the lack of cross platform or cross industry resource sharing, users can only passively accept the service to participate in service generation. Based on Intelligent Home Furnishing as an example, the traditional IoT system is mainly concerned with intelligent single component or single platform between the cross element cross platform cannot interact, resources and services can not be shared. Therefore, WoT technology can make up for the shortcomings of IoT technology, especially in low cost, high demand for cross platform and open the scene, WoT Internet technology with the freedom to play a unique advantage.
In this paper, the research of WoT technology based on the use of network communication technology, security technology, automatic control system of intelligent Home Furnishing socket and function integration technology, Home Furnishing power management system to build scientific and efficient, to achieve the safety of power Home Furnishing, convenience and comfort. The focus of the paper is mainly composed of the following three points:
A discussion and analysis of WoT technology and its research status at home and abroad in the field of intelligent Home Furnishing application. Because the WoT technology can be integrated with good interoperability with other Web platforms, and are able to use the fast generation of business many mature technology at home and abroad, so many platforms are based on WoT technology to build, for example Cosm platform. Through the analysis of these cases of mature, comparison of their technical advantages and disadvantages, and apply it to the research project.
Second, the integrated software engineering theory and practice, this paper describes the overall WoT smart socket system realization process, including requirement analysis, function design, system hardware and software development and testing. In the implementation process, considering the safety and practicability based on item according to different network scenarios and divides the system for the internal and external two modes, namely through the realization of the interactive mode and LAN router through the server to achieve the interactive Internet model. This paper will focus on the implementation of system communication protocol between these two modes and the functional architecture.
Third, the analysis and solution of WoT smart socket system open and safety problem. On the one hand, this paper uses WoT's own technical characteristic function reserved interface to achieve the open function, so as to facilitate access to the system or other system reads the information resources. On the other hand, this paper through the application of HTTPS protocol to solve the problem of security the problem, adding SSL layer to prevent harassment and attacks from the Internet to a certain extent.
After testing and verification, the intelligent socket system implemented in this paper has the following characteristics and advantages compared with the existing intelligent socket system:
First, this system has more functions in operation and experience, and has a great advantage in response time, system power consumption and other parameters.
Secondly, unlike previous intelligent sockets, the system is not single. It is part of smart home together with smart meters, smart lamps and other systems. Therefore, it has reserved user information and socket information interface, and has the ability to interact with other systems.
Third, compared to the previous communication mode, this system has taken some measures in the security design, to a certain extent, increased the security of the system access.
In the future, WoT technology will play a more extensive role. More IOT products will be favored by the advantages and characteristics of WoT system. In this process, the practical research based on WoT technology may be able to provide some valuable reference for future development.

【學位授予單位】：華東師范大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TP391.44;TN929.5

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