發(fā)布時(shí)間：2019-01-13 07:04

【摘要】：高校教學(xué)設(shè)備是教學(xué)科研工作中的基礎(chǔ)設(shè)施,教學(xué)設(shè)備的正常運(yùn)行是保障教學(xué)科研工作有序穩(wěn)定開展的先決條件。尤其近幾年來,高校不斷加強(qiáng)教學(xué)信息化的建設(shè),教學(xué)設(shè)備數(shù)量呈現(xiàn)指數(shù)型增長。不可避免的教學(xué)設(shè)備在使用過程中會(huì)突發(fā)各種故障,為了能夠加強(qiáng)教學(xué)設(shè)備管理,迅速有效的解決突發(fā)故障問題,充分發(fā)揮教學(xué)設(shè)備的實(shí)用價(jià)值,為廣大師生創(chuàng)建一條及時(shí)有效的報(bào)修通道,保證教學(xué)科研工作的正常開展,為此開發(fā)一款面向在校師生的教學(xué)設(shè)備服務(wù)系統(tǒng)具有重要的現(xiàn)實(shí)意義。本文設(shè)計(jì)和實(shí)現(xiàn)了基于Android端的教學(xué)設(shè)備服務(wù)系統(tǒng),針對(duì)目前Android手機(jī)無法實(shí)現(xiàn)室內(nèi)定位的現(xiàn)狀,應(yīng)用基于信號(hào)強(qiáng)度特征匹配的Wifi定位算法來實(shí)現(xiàn)室內(nèi)定位。依據(jù)軟件工程的思想進(jìn)行系統(tǒng)的分析設(shè)計(jì)與實(shí)現(xiàn)。本文工作主要包含以下三個(gè)部分:(1)通過對(duì)校園教學(xué)設(shè)備使用狀況進(jìn)行實(shí)地調(diào)研,探討教學(xué)設(shè)備服務(wù)系統(tǒng)的開發(fā)背景;閱讀大量文獻(xiàn)以及瀏覽參考某些高校的設(shè)備服務(wù)系統(tǒng)網(wǎng)站,對(duì)現(xiàn)存的教學(xué)設(shè)備服務(wù)系統(tǒng)現(xiàn)狀進(jìn)行初步研究;進(jìn)行市場(chǎng)調(diào)研,根據(jù)調(diào)研結(jié)果選擇教學(xué)設(shè)備服務(wù)系統(tǒng)的開發(fā)平臺(tái)。(2)研究國內(nèi)外室內(nèi)定位的相關(guān)技術(shù)和基于Wifi室內(nèi)定位算法,目前主要有四種常用的局域網(wǎng)室內(nèi)定位技術(shù),分別為超寬帶室內(nèi)定位技術(shù)、Zigbee室內(nèi)定位技術(shù)、超聲波室內(nèi)定位技術(shù)、基于Wifi的室內(nèi)定位技術(shù)。由于此次開發(fā)平臺(tái)采用Android平臺(tái),因此選擇基于Wifi的室內(nèi)定位技術(shù)來進(jìn)行室內(nèi)定位研究,選擇基于信號(hào)強(qiáng)度特征匹配的Wifi定位算法來實(shí)現(xiàn)室內(nèi)定位。(3)詳細(xì)介紹了基于位置信息的教學(xué)設(shè)備服務(wù)系統(tǒng)的需求分析、系統(tǒng)設(shè)計(jì)和實(shí)現(xiàn)過程。首先,論文采用軟件工程中用例分析法對(duì)教學(xué)設(shè)備服務(wù)系統(tǒng)需求進(jìn)行描述,用例分析是溝通系統(tǒng)需求和系統(tǒng)設(shè)計(jì)之間的橋梁;其次,對(duì)系統(tǒng)進(jìn)行總體設(shè)計(jì)及詳細(xì)設(shè)計(jì),主要采用架構(gòu)圖、系統(tǒng)功能流程圖的方式來對(duì)系統(tǒng)設(shè)計(jì)進(jìn)行說明;然后,設(shè)計(jì)數(shù)據(jù)庫,基于數(shù)據(jù)庫的第三范式來合理設(shè)計(jì)數(shù)據(jù)庫E-R圖,并對(duì)數(shù)據(jù)庫進(jìn)行建模;最后,采用系統(tǒng)實(shí)際效果圖的形式來呈現(xiàn)系統(tǒng)實(shí)現(xiàn)的各項(xiàng)功能,并對(duì)其中部分功能的核心代碼進(jìn)行簡(jiǎn)略的介紹�；谖恢眯畔⒌慕虒W(xué)設(shè)備服務(wù)系統(tǒng)最終實(shí)現(xiàn)了用戶端、維修端、后臺(tái)管理端共三個(gè)服務(wù)端,基本滿足了教學(xué)設(shè)備服務(wù)工作的需求。為用戶提供便捷,高效的設(shè)備故障維修方式,實(shí)時(shí)監(jiān)控問題進(jìn)度,提供圖片、語音、室內(nèi)位置定位等多途徑的描述方式。管理員可從手機(jī)移動(dòng)端或PC端登錄教學(xué)設(shè)備服務(wù)系統(tǒng),分類查看所有問題及數(shù)據(jù)分析的統(tǒng)計(jì),大幅度的提高了工作的效率。整個(gè)系統(tǒng)操作方便簡(jiǎn)單,功能完善,可推廣空間大。
[Abstract]:College teaching equipment is the infrastructure of teaching and research work, and the normal operation of teaching equipment is the prerequisite to ensure the orderly and stable development of teaching and scientific research work. Especially in recent years, colleges and universities have been strengthening the construction of teaching information, and the number of teaching equipment has increased exponentially. In order to strengthen the management of teaching equipment, solve the problem of sudden failure quickly and effectively, and give full play to the practical value of teaching equipment, To establish a timely and effective reporting channel for teachers and students to ensure the normal development of teaching and research work, it is of great practical significance to develop a teaching equipment service system for teachers and students. A teaching equipment service system based on Android is designed and implemented in this paper. Aiming at the current situation that Android mobile phone can not realize indoor positioning, Wifi localization algorithm based on signal intensity feature matching is used to realize indoor location. According to the idea of software engineering, the system design and implementation are carried out. The work of this paper mainly includes the following three parts: (1) through the field investigation on the use of campus teaching equipment, the background of the development of teaching equipment service system is discussed; Read a lot of literature and refer to the equipment service system website of some colleges and universities, and carry on the preliminary research on the present situation of the existing teaching equipment service system; Carry on the market research, select the development platform of the teaching equipment service system according to the research result. (2) study the domestic and foreign indoor positioning related technology and the indoor positioning algorithm based on Wifi, there are mainly four kinds of commonly used LAN indoor positioning technology at present, UWB indoor positioning technology, Zigbee indoor positioning technology, ultrasonic indoor positioning technology, Wifi based indoor positioning technology. Because the Android platform is adopted in this development platform, the indoor positioning technology based on Wifi is chosen to carry out indoor positioning research. The Wifi localization algorithm based on signal intensity feature matching is selected to realize indoor positioning. (3) the requirement analysis, system design and implementation process of teaching equipment service system based on location information are introduced in detail. First of all, the paper uses use case analysis in software engineering to describe the requirements of teaching equipment service system. Use case analysis is a bridge between system requirements and system design. Secondly, the overall design and detailed design of the system, mainly using the architecture diagram, system function flow chart to explain the system design; Then, the database is designed, based on the third normal form of the database, the database E-R graph is designed reasonably, and the database is modeled. Finally, the functions of the system are presented in the form of the actual effect diagram of the system, and the core codes of some of the functions are briefly introduced. The teaching equipment service system based on location information finally realizes three service terminals: user end maintenance end and backstage management end which basically meets the needs of teaching equipment service. To provide users with convenient and efficient equipment maintenance, real-time monitoring of progress, provide pictures, voice, indoor location and other multi-way description. The administrator can log on to the teaching equipment service system from the mobile or PC terminal of the mobile phone and view all the problems and statistics of data analysis, which greatly improves the efficiency of the work. The whole system is easy to operate, has perfect function and can be popularized in large space.
【學(xué)位授予單位】：山東師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TP311.52

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