本文選題：信息交換平臺(tái)　切入點(diǎn)：交通類型　出處：《北京郵電大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著經(jīng)濟(jì)發(fā)展和社會(huì)進(jìn)步,越來越多的人喜歡組成車隊(duì)出行游玩。而以往車隊(duì)之間的交流溝通是通過對(duì)講機(jī)實(shí)現(xiàn)的。雖然對(duì)講機(jī)經(jīng)濟(jì)實(shí)惠易于攜帶,然而還有很多不能忽視的缺點(diǎn),給車輛間的溝通帶來了很大的問題。比如對(duì)講機(jī)通信距離受限,其信號(hào)強(qiáng)度受環(huán)境因素控制明顯,并且對(duì)講機(jī)只能發(fā)送單一的語音形式的信息和單工形式的溝通。同時(shí)車隊(duì)中的成員無法和車隊(duì)外的車輛進(jìn)行溝通。因而針對(duì)以上出現(xiàn)的問題,本文提出了利用信息交換平臺(tái)和智能終端的方案解決車隊(duì)出行時(shí)車輛之間的溝通問題。此外,國內(nèi)外關(guān)于交通出行的信息交換平臺(tái)均是針對(duì)各個(gè)異構(gòu)系統(tǒng)實(shí)現(xiàn)的,而對(duì)于車隊(duì)出行中時(shí)使用智能終端的信息交換平臺(tái)很少。因此本文研究設(shè)計(jì)了針對(duì)車隊(duì)出行時(shí)利用智能終端相互溝通所使用的信息交換平臺(tái)。 首先,本文針對(duì)當(dāng)前在交通出行方面的信息交換平臺(tái)進(jìn)行調(diào)研,并指出目前針對(duì)于智能終端的信息交換平臺(tái)很少。同時(shí)對(duì)于目前車輛出行使用對(duì)講機(jī)時(shí)成員固定的情況,提出了在信息交換平臺(tái)上使用地理圍欄技術(shù)動(dòng)態(tài)分組從而使組內(nèi)成員動(dòng)態(tài)變化的方案,這樣能夠使車隊(duì)中的車輛更好的共享路況信息。 其次,本文完成了信息交換平臺(tái)的設(shè)計(jì)與實(shí)現(xiàn),其中包括信息發(fā)布支撐模塊,獲取用戶訂閱信息的信息訂閱支撐模塊以及面向所有使用用戶提供的服務(wù)模塊,而且完成了針對(duì)信息交換平臺(tái)的智能終端功能設(shè)計(jì)以及數(shù)據(jù)庫的相應(yīng)設(shè)計(jì)工作。 同時(shí)在分析了影響道路狀況的環(huán)境因素的基礎(chǔ)上,將目前的所有道路情況劃分為六種交通場景,并且根據(jù)車輛位置和創(chuàng)建地理圍欄時(shí)間先后制訂了其他車輛是否屬于該車輛建立的地理圍欄的規(guī)則,然后針對(duì)每種交通場景分別提出了基于地理圍欄技術(shù)的動(dòng)態(tài)分配群組成員的算法。 最后針對(duì)該算法,提出了利用模糊數(shù)學(xué)粗糙集的方法修正每一種交通場景下該算法的系數(shù)。這樣的信息交換平臺(tái),可以使車隊(duì)更高效的獲取當(dāng)前路況信息。
[Abstract]:With economic development and social progress, more and more people like to form a motorcade to travel and play. But in the past, the communication between the motorcade is realized through interphone. Although the intercom is economical and easy to carry, However, there are still many shortcomings that can not be ignored, which bring great problems to the communication between vehicles. For example, the interphone communication distance is limited, and the signal intensity is obviously controlled by environmental factors. And the interphone can only send a single voice form of information and a simple form of communication. At the same time, the members of the team cannot communicate with vehicles outside the fleet. Therefore, in view of the above problems, In this paper, a scheme of information exchange platform and intelligent terminal is put forward to solve the problem of communication between vehicles when the motorcade travels. In addition, the information exchange platform about traffic travel at home and abroad is implemented for each heterogeneous system. However, there are few information exchange platforms in which intelligent terminals are used in motorcade travel. Therefore, this paper studies and designs an information exchange platform for motorcade trips using intelligent terminals to communicate with each other. First of all, this paper investigates the current information exchange platform in traffic travel, and points out that there are few information exchange platforms for intelligent terminals at present. In this paper, a scheme of dynamically grouping the members of the group by using the technology of geographic fence on the information exchange platform is proposed, which can make the vehicles in the motorcade share the information of road condition better. Secondly, this paper completes the design and implementation of the information exchange platform, including the information publishing support module, the information subscription support module to obtain user subscription information and the service module for all users. Moreover, the function design of intelligent terminal and the corresponding design of database are completed for the information exchange platform. At the same time, based on the analysis of the environmental factors that affect the road condition, all the current road conditions are divided into six traffic scenarios. And according to the location of the vehicle and the time when the geographical fence was created, the rules on whether other vehicles belong to the geographical fence established by the vehicle have been worked out. Then, an algorithm of dynamically assigning group members based on geographical fence is proposed for each traffic scenario. Finally, a fuzzy rough set method is proposed to correct the coefficients of the algorithm in every traffic scenario. This kind of information exchange platform can make the motorcade obtain the current traffic information more efficiently.
【學(xué)位授予單位】：北京郵電大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：U495

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