本文選題：WMSNs　切入點(diǎn)：WSNs　出處：《北京建筑大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著高新技術(shù)的迅猛發(fā)展,網(wǎng)絡(luò)技術(shù)、傳感器技術(shù)、視頻處理技術(shù)突破瓶頸,實(shí)現(xiàn)了質(zhì)的飛躍。無線傳感器網(wǎng)絡(luò)(Wireless Sensor Networks,WSNs)憑借其自組織性,無需人為值守,大范圍部署,廉價(jià)等優(yōu)勢大量應(yīng)用于工業(yè)、農(nóng)業(yè)現(xiàn)場環(huán)境的監(jiān)測,但隨著監(jiān)測環(huán)境的復(fù)雜化,人們不僅希望得到文本數(shù)據(jù),更希望把監(jiān)測環(huán)境中的視頻、音頻、圖像等信息都直觀地顯示出來,無線多媒體傳感器網(wǎng)絡(luò)(Wireless Multimedia Sensor Networks,WMSNs)在這種需求下得到了飛速地發(fā)展。WMSNs相對于WSNs,提供了多媒體信息,使現(xiàn)場環(huán)境監(jiān)測更加直觀,并可以通過對所采集的多媒體信息進(jìn)行圖像處理和識(shí)別來提高監(jiān)測系統(tǒng)的智能性,本文研究的系統(tǒng)主要應(yīng)用于燃?xì)鈶?yīng)急處置現(xiàn)場的環(huán)境監(jiān)測,考慮到實(shí)際現(xiàn)場情況,且采集甲烷等文本數(shù)據(jù)的節(jié)點(diǎn)與采集圖像的節(jié)點(diǎn)布置位置不同,因此將WSNs和WMSNs同時(shí)應(yīng)用于燃?xì)鈸屝蕃F(xiàn)場中,實(shí)現(xiàn)對燃?xì)鈸屝拮鳂I(yè)的環(huán)境監(jiān)測。本文設(shè)計(jì)的WSNs系統(tǒng)可以實(shí)現(xiàn)對泄露現(xiàn)場的燃?xì)鉂舛�、溫濕度、風(fēng)速風(fēng)向等環(huán)境數(shù)據(jù)地實(shí)時(shí)監(jiān)測,WMSNs系統(tǒng)可以實(shí)現(xiàn)圖像、視頻信息的采集,傳感器網(wǎng)絡(luò)系統(tǒng)架構(gòu)均由前端采集節(jié)點(diǎn)、現(xiàn)場監(jiān)測終端和遠(yuǎn)程監(jiān)控中心三部分組成。前端采集節(jié)點(diǎn)主要負(fù)責(zé)數(shù)據(jù)信息的采集,現(xiàn)場監(jiān)測終端用于對采集前端采集數(shù)據(jù)的集中顯示、存儲(chǔ)、報(bào)警,遠(yuǎn)程監(jiān)控中心為指揮人員提供了實(shí)時(shí)監(jiān)測的窗口,及時(shí)了解現(xiàn)場情況,并對數(shù)據(jù)進(jìn)行存儲(chǔ),便于日后事故分析。燃?xì)庖坏┌l(fā)生泄漏,極有可能造成火災(zāi)、爆炸等嚴(yán)重的安全事故,為了減少二次事故的發(fā)生,本文提出將WMSNs用于燃?xì)鈸屝蕃F(xiàn)場的火災(zāi)預(yù)警。將多媒體傳感器節(jié)點(diǎn)部署在燃?xì)鈸屝蕃F(xiàn)場,在現(xiàn)場監(jiān)測終端即可實(shí)現(xiàn)對所采集圖像的火災(zāi)識(shí)別分析,通過對比火焰圖像特征,判斷是否發(fā)生火災(zāi)和火勢大小,對未及時(shí)發(fā)現(xiàn)的火情進(jìn)行報(bào)警,及時(shí)疏散人員,減少事故損失,并為遠(yuǎn)程調(diào)度指揮人員提供決策依據(jù)。本文研究的WSNs和WMSNs均具有很強(qiáng)的工程應(yīng)用價(jià)值,并且該系統(tǒng)已完成實(shí)驗(yàn)室組網(wǎng)測試實(shí)驗(yàn),為下一步實(shí)際應(yīng)用于工程現(xiàn)場奠定了基礎(chǔ)。
[Abstract]:With the rapid development of high technology, network technology, sensor technology, video processing technology to break through the bottleneck and achieve a qualitative leap. The wireless sensor network (Wireless Sensor Networks, WSNs) by virtue of its self organization, without human duty, the deployment of a wide range of advantages such as cheap, widely used in industrial and agricultural field environment monitoring. But with the complex monitoring environment, people not only want the text data, hope that the environmental monitoring of video, audio, images and other information are displayed directly, wireless multimedia sensor networks (Wireless Multimedia Sensor Networks, WMSNs) in this demand has been the rapid development of.WMSNs relative to WSNs, provides multimedia information the field of environmental monitoring, more intuitive, and through image processing and recognition of multimedia information collected to improve the intelligent monitoring system, the This system is mainly used to study gas emergency environmental monitoring site, taking into account the actual situation, and the node location node and collecting image acquisition methane text data is different, so the WSNs and WMSNs also applied to the gas repair site, implement repair environment monitoring on gas. The WSNs system designed in this paper the gas concentration can be achieved, the leakage field of temperature and humidity, the real-time monitoring data of wind environment, WMSNs system can realize image, video information acquisition, sensor network system architecture is composed of front-end collection nodes, monitoring terminal and remote monitoring center is composed of three parts. The front-end acquisition node is mainly responsible for data collection. The field monitoring unit for centralized collection collects the data storage, display, alarm, remote monitoring center for command personnel provided in real time. The window, timely understanding of the situation, and storing the data, to facilitate analysis of the accident. After the gas leak is likely to cause fires, explosions and other serious accidents, in order to reduce the two accidents, this paper put forward the WMSNs repair for gas fire warning site. The multimedia sensor node deployment the gas in the repair site, in the analysis of fire recognition image acquisition can be realized through on-site monitoring terminal, comparing the characteristic of flame image to determine whether the fire and fire size, the alarm did not discover the fire, timely evacuation of personnel, reduce the loss of accidents, and provide decision-making basis for personnel essential. This article refers to the remote control WSNs and WMSNs have strong engineering application value, and the system has completed the laboratory testing experiment, the next step for the practical application in engineering field. Set the foundation.

【學(xué)位授予單位】：北京建筑大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TP212.9;TN919.8

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