【摘要】：本課題源于中�？瓦\(yùn)安全監(jiān)控系統(tǒng)項(xiàng)目,是對(duì)該項(xiàng)目中所建立的覆蓋大連到煙臺(tái)航道的海上無線寬帶網(wǎng)絡(luò)的應(yīng)用服務(wù)的拓展,針對(duì)中小型船舶的安全監(jiān)管中的視頻監(jiān)控薄弱環(huán)節(jié)而提出。課題的主要設(shè)計(jì)目標(biāo)實(shí)質(zhì)是研究一種應(yīng)用于中小型船舶的視頻監(jiān)控子節(jié)點(diǎn)遠(yuǎn)程控制系統(tǒng),在岸端實(shí)現(xiàn)對(duì)船舶實(shí)時(shí)的視頻監(jiān)控的同時(shí),工作人員可以根據(jù)需要通過控制監(jiān)控?cái)z像頭的方向和焦距對(duì)監(jiān)控畫面進(jìn)行動(dòng)態(tài)調(diào)整。本文在對(duì)實(shí)際應(yīng)用中關(guān)于攝像頭的運(yùn)動(dòng)控制綜合分析后,結(jié)合嵌入式Linux技術(shù)在遠(yuǎn)程網(wǎng)絡(luò)控制中的應(yīng)用優(yōu)勢(shì)以及本文的工程應(yīng)用背景提出了一套可行的攝像頭遠(yuǎn)程控制設(shè)計(jì)方案。本課題研制的視頻監(jiān)控子節(jié)點(diǎn)遠(yuǎn)程控制系統(tǒng)中,采用基于網(wǎng)絡(luò)的瀏覽器／服務(wù)器(B/S)模式,用戶通過PC瀏覽器訪問系統(tǒng)所在的IP地址進(jìn)入控制管理界面,服務(wù)器端在提供Web服務(wù)和視頻監(jiān)控服務(wù)的同時(shí),也充當(dāng)控制器的作用,用于管理控制監(jiān)控?cái)z像頭的步進(jìn)電機(jī)的運(yùn)轉(zhuǎn)；服務(wù)器端作為系統(tǒng)的核心部分,采用嵌入式處理器,運(yùn)行具備良好網(wǎng)絡(luò)支持的Linux系統(tǒng)。系統(tǒng)硬件部分采用以三星的ARM11架構(gòu)的S3C6410為核心處理器的開發(fā)平臺(tái)Tiny6410,用于攝像頭運(yùn)動(dòng)控制的28BYJ-48步進(jìn)電機(jī)以及ULN2003步進(jìn)電機(jī)驅(qū)動(dòng)板,軟件部分包括Linux系統(tǒng)的移植、嵌入式Linux下提供Web服務(wù)的Boa服務(wù)器的移植配置和用于采集攝像頭的視頻數(shù)據(jù)并提供基于Web的視頻流服務(wù)的Mjpg-streamer的移植配置及啟用、系統(tǒng)控制界面的制作和步進(jìn)電機(jī)驅(qū)動(dòng)程序以及CGI控制處理程序的設(shè)計(jì)。論文中對(duì)系統(tǒng)的具體方案、硬件構(gòu)成、軟件編程的基本思想等均做了詳細(xì)的敘述。測(cè)試結(jié)果表明系統(tǒng)運(yùn)行正常,且符合功能需求,并且在實(shí)現(xiàn)遠(yuǎn)程控制時(shí)具備良好的實(shí)時(shí)性。
[Abstract]:This subject originates from the project of China Shipping passenger Transport Safety Monitoring system, which is an extension of the application service of the maritime wireless broadband network covering Dalian to Yantai waterway. Aiming at the weak link of video surveillance in the safety supervision of small and medium-sized ships, this paper puts forward. The main design goal of the project is to study a remote control system of video surveillance sub-nodes applied to small and medium-sized ships, which can realize the real-time video surveillance of ships at the shore end at the same time. Staff can control the direction and focal length of the surveillance camera as necessary to dynamically adjust the monitoring screen. After synthetically analyzing the motion control of camera in practical application, this paper puts forward a set of feasible design scheme of remote control of camera based on the advantages of embedded Linux technology in remote network control and the engineering application background of this paper. In the video monitoring sub-node remote control system, the users access the IP address of the system through the PC browser to enter the control management interface, which is based on the browser / Server (B / S) mode. While providing Web service and video surveillance service, the server also acts as the controller, which is used to manage the operation of the stepper motor which controls the surveillance camera, and the server, as the core part of the system, adopts embedded processor. Run Linux system with good network support. The hardware part of the system adopts the development platform Tiny6410, which is based on the S3C6410 of Samsung's ARM11 architecture, and the 28BYJ-48 step motor and ULN2003 stepper motor driver board used for camera motion control. The software part includes the transplant of Linux system. The porting configuration of Boa server which provides Web service under embedded Linux and the porting configuration and enable of Mjpg-streamer which is used to collect video data of camera and provide video stream service based on Web. System control interface design and step motor driver and CGI control program design. In this paper, the specific scheme of the system, the hardware structure, the basic idea of software programming are described in detail. The test results show that the system runs normally, meets the functional requirements, and has good real-time performance in remote control.
【學(xué)位授予單位】：大連海事大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：U69-39

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本文編號(hào)：2191111