本文選題：AIS　切入點(diǎn)：嵌入式Linux　出處：《大連海事大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著航運(yùn)事業(yè)的發(fā)展,AIS技術(shù)不僅可以應(yīng)用于航海、船舶工業(yè),而且還可以應(yīng)用于航空工業(yè)乃至整個交通行業(yè)。AIS的使用是為了實(shí)現(xiàn)船舶的自動識別、協(xié)助目標(biāo)進(jìn)行跟蹤并提供可靠信息,以便很好地了解海上交通運(yùn)輸狀況。然而,對于一些船舶來說,標(biāo)準(zhǔn)的AIS仍然存在一些問題,比如安裝AIS設(shè)備所需費(fèi)用問題以及AIS頻道的管理問題等,但主要問題還是船舶導(dǎo)航技術(shù)沒有自主知識產(chǎn)權(quán),這在某種程度上使信息安全存在一定隱患。嵌入式系統(tǒng)已經(jīng)成為計算機(jī)領(lǐng)域的焦點(diǎn)之一,已經(jīng)貫穿到社會生活的各個方面,具有專用性、可封裝性、外來性、實(shí)時性、可靠性等特點(diǎn)。針對這些情況,本文將嵌入式系統(tǒng)的相關(guān)技術(shù)與AIS有效的結(jié)合起來,目的是更好的實(shí)現(xiàn)其功能。 本設(shè)計是以嵌入式ARM體系結(jié)構(gòu)為開發(fā)平臺,以Linux為操作系統(tǒng)開發(fā)一個AIS信息終端。本設(shè)計主要完成AIS數(shù)據(jù)處理的研究與實(shí)現(xiàn),包括軟硬件開發(fā)平臺的搭建,硬件開發(fā)平臺是以嵌入式芯片S3C2440為核心搭建,采用串行通信的方式,軟件開發(fā)平臺的構(gòu)建基于宿主機(jī)—目標(biāo)機(jī)模式,其中宿主機(jī)(Host)是一臺通用計算機(jī),而目標(biāo)機(jī)是基于ARM的AIS信息終端—S3C2440開發(fā)板,通過交叉編譯軟件開發(fā)工具實(shí)現(xiàn)。本文還設(shè)計了基于嵌入式Linux操作系統(tǒng)中適用于AIS的用戶顯示界面,以嵌入式Qt作為系統(tǒng)的圖形界面GUI。 本文首先對系統(tǒng)進(jìn)行總體設(shè)計,接著主要對接收到的AIS數(shù)據(jù)信息進(jìn)行深入分析,將ARM9微處理器作為實(shí)現(xiàn)終端的核心處理器,對接收的數(shù)據(jù)信息進(jìn)行存儲、解碼、編碼、傳輸和顯示等操作,根據(jù)實(shí)際要求提取出船舶的部分動、靜態(tài)信息,并將這部分信息通過ARM微處理器進(jìn)行獨(dú)立顯示。
[Abstract]:With the development of shipping industry, AIS technology can be used not only in navigation, ship industry, but also in aviation industry and even in the whole transportation industry. AIS is used in order to realize the automatic identification of ships. Assist targets in tracking and providing reliable information in order to gain a good understanding of maritime traffic. However, for some ships, there are still some problems with the standard AIS, For example, the cost of installing AIS equipment and the management of AIS channels, etc., but the main problem is that ship navigation technology does not have independent intellectual property rights. To a certain extent, embedded system has become one of the focal points in the computer field, and has run through all aspects of social life, with special, encapsulable, external, real-time, Reliability and other characteristics. In view of these circumstances, this paper combines the related technology of embedded system with AIS effectively, in order to achieve its function better. This design takes embedded ARM architecture as the development platform and Linux as the operating system to develop a AIS information terminal. This design mainly completes the research and implementation of AIS data processing, including the construction of software and hardware development platform. The hardware development platform is built with the embedded chip S3C2440 as the core, and the software development platform is based on the host / target computer mode, and the software development platform is based on the host computer mode, in which the host computer is a universal computer. The target machine is the AIS information terminal -S3C2440 development board based on ARM, which is realized by cross-compiling software development tool. The user display interface suitable for AIS in embedded Linux operating system is also designed in this paper. The embedded QT is used as the graphical interface of the system. In this paper, the overall design of the system is first carried out, and then the received AIS data information is deeply analyzed. The ARM9 microprocessor is used as the core processor to realize the terminal, and the received data information is stored, decoded and encoded. According to the actual requirements, the partial dynamic and static information of the ship is extracted from the transmission and display operations, and the information is displayed independently through the ARM microprocessor.
【學(xué)位授予單位】：大連海事大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：U665.26;TP368.1

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