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基于北斗衛(wèi)星導(dǎo)航系統(tǒng)的智能車載終端設(shè)計(jì)

發(fā)布時(shí)間:2018-06-08 19:56

  本文選題:車載終端 + 北斗衛(wèi)星導(dǎo)航系統(tǒng); 參考:《中國(guó)海洋大學(xué)》2014年碩士論文


【摘要】:隨著我國(guó)北斗衛(wèi)星導(dǎo)航系統(tǒng)(BeiDou Navigation Satellite System,BDS)完成對(duì)亞太地區(qū)的完全覆蓋和BDS導(dǎo)航產(chǎn)業(yè)民用化率先在交通運(yùn)輸領(lǐng)域試點(diǎn)推廣,基于衛(wèi)星導(dǎo)航系統(tǒng)和移動(dòng)通信網(wǎng)絡(luò)的車輛遠(yuǎn)程管理/調(diào)度方案成為智能交通領(lǐng)域研究的熱點(diǎn)。本文針對(duì)現(xiàn)有的汽車行駛記錄儀功能單一、通信能力差的缺點(diǎn)提出了一種基于BDS和GPRS的車輛遠(yuǎn)程實(shí)時(shí)監(jiān)控和調(diào)度方案。并結(jié)合未來(lái)智能交通系統(tǒng)的發(fā)展趨勢(shì),創(chuàng)新性地將射頻識(shí)別(RFID)技術(shù)應(yīng)用到車載終端與路邊車輛管理服務(wù)系統(tǒng)之間的短程無(wú)線通信中。 本文設(shè)計(jì)的智能車載終端主要有四大基本功能:汽車行駛記錄儀功能,基于BDS的導(dǎo)航定位功能,通過(guò)GPRS網(wǎng)絡(luò)進(jìn)行車輛遠(yuǎn)程在線監(jiān)控功能,車載終端與路邊車輛管理服務(wù)系統(tǒng)之間的短程無(wú)線通信功能。GPRS通信網(wǎng)絡(luò)的一大優(yōu)點(diǎn)就是支持終端設(shè)備永久在線,BDS可為用戶提供定位、授時(shí)、測(cè)速服務(wù),將兩者結(jié)合可實(shí)現(xiàn)車輛的遠(yuǎn)程監(jiān)控和調(diào)度。但對(duì)于車載終端與道路周邊的智能車輛管理服務(wù)系統(tǒng)之間的通信,,GPRS技術(shù)則顯得鞭長(zhǎng)莫及,RFID技術(shù)正好可以填補(bǔ)這一段通信空白區(qū),實(shí)現(xiàn)車輛自動(dòng)識(shí)別、智能引導(dǎo)和不停車收費(fèi)等服務(wù)。由于汽車行駛記錄儀技術(shù)已經(jīng)比較成熟,不作為本文設(shè)計(jì)的重點(diǎn),出于車載終端結(jié)構(gòu)整體性方面的考慮,只對(duì)與其他三個(gè)功能相關(guān)的部分進(jìn)行設(shè)計(jì)。 本論文所做的主要工作包括以下內(nèi)容: 1)以智能交通環(huán)境下車載終端的應(yīng)用為目的,研究設(shè)計(jì)車載終端的整體架構(gòu)。在原有的汽車行駛記錄儀基礎(chǔ)上新增加定位模塊支持BDS信號(hào)采集,增加GPRS DUT模塊支持終端在線遠(yuǎn)程在線監(jiān)控,增加射頻識(shí)別模塊實(shí)現(xiàn)車--路通信。 2)智能車載終端的硬件平臺(tái)設(shè)計(jì)、芯片選型和部分電路設(shè)計(jì)。主要包括CPU芯片選型、電源模塊、定位模塊、GPRS通信模塊、RFID模塊電路設(shè)計(jì)。 3)智能車載終端軟件平臺(tái)(嵌入式Linux系統(tǒng)移植)搭建和軟件開發(fā)。 4)智能車載終端的部分功能實(shí)現(xiàn)和測(cè)試。
[Abstract]:With the completion of complete coverage of the Asia-Pacific region by BeiDou Navigation Satellite system (BDS) in China, and the civilian use of the BDS navigation industry, it has taken the lead in pilot promotion in the field of transportation. Vehicle remote management / scheduling scheme based on satellite navigation system and mobile communication network has become a hotspot in the field of intelligent transportation. Aiming at the shortcomings of single function and poor communication ability of the existing vehicle traveling recorder, this paper presents a scheme of vehicle remote real-time monitoring and scheduling based on BDS and GPRS. Combined with the development trend of intelligent transportation system in the future, The radio frequency identification (RFID) technology is applied to the short range wireless communication between the vehicle terminal and the roadside vehicle management service system. The intelligent vehicle terminal designed in this paper has four basic functions: the function of the vehicle driving recorder. Based on the navigation and positioning function of BDS, the vehicle remote on-line monitoring function is carried out through GPRS network. One of the advantages of the short range wireless communication function between vehicle terminal and roadside vehicle management service system. GPRS communication network is to support the terminal equipment permanent on-line BDS to provide users with positioning, timing, and speed measurement services. The combination of the two can realize the remote monitoring and scheduling of vehicles. However, for the communication between the vehicle terminal and the intelligent vehicle management service system around the road, GPRS technology is beyond the reach of RFID technology, which can fill the communication gap and realize the automatic identification of the vehicle. Intelligent guidance and no parking fees and other services. As the technology of the vehicle traveling recorder is mature, it is not the key point of the design of this paper, because of the overall consideration of the structure of the vehicle terminal. The main work of this thesis is as follows: 1) the whole structure of the vehicle terminal is designed for the purpose of the application of the vehicle terminal in the intelligent transportation environment. On the basis of the original vehicle driving recorder, a new positioning module is added to support BDS signal acquisition, and GPRS DUT module is added to support the terminal on-line remote on-line monitoring. Add RFID module to realize vehicle-road communication. 2) hardware platform design, chip selection and part circuit design of intelligent vehicle terminal. It mainly includes CPU chip selection, power supply module, location module GPRS communication module and RFID module circuit design. 3) Intelligent vehicle terminal software platform (embedded Linux system transplant) construction and software development. 4) intelligent vehicle terminal part function realization and test.
【學(xué)位授予單位】:中國(guó)海洋大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TN96.1

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