【摘要】：汽車行駛記錄儀的使用，對遏制交通違章、約束駕駛?cè)说牟涣捡{駛行為、保障車輛行駛安全以及道路交通事故的分析鑒定具有重要的作用。新一代的衛(wèi)星定位行車記錄儀不僅具備以上功能，同時還兼具對車輛實時監(jiān)管、問題警示、防搶、防盜及事故前提醒、事故后報警求救等。目前，中國自主的北斗定位系統(tǒng)已經(jīng)相對成熟，為了響應(yīng)國家推廣北斗終端的號召，全球定位系統(tǒng)使用北斗定位。 系統(tǒng)采用ARM9控制器MB9G711及其他功能組件，設(shè)計了一種衛(wèi)星定位行車記錄儀。功能組件包括：電源控制電路、液晶顯示電路、打印機(jī)驅(qū)動電路、北斗模塊及GPRS模塊控制電路等。分析了系統(tǒng)存在的干擾，并提出了抑制措施。 移植了以色列開源操作系統(tǒng)EFOS，并在其框架下完成了相關(guān)硬件驅(qū)動程序的編寫；使用北斗定位系統(tǒng)進(jìn)行地理信息的采集，，在衛(wèi)星信號較弱時過濾掉不連續(xù)的跳變數(shù)據(jù)；利用三軸加速度傳感器計算水平度，詳細(xì)分析了計算側(cè)翻的工作原理及相關(guān)算法；使用射線法對電子圍欄進(jìn)行計算，從而判斷出車輛是否按照預(yù)定路線或區(qū)域行駛。 對研制的衛(wèi)星定位行車記錄儀進(jìn)行了大量的實驗，各項指標(biāo)均達(dá)到設(shè)計要求，具有較強(qiáng)的抗干擾能力，先后通過了國家標(biāo)準(zhǔn)及行業(yè)標(biāo)準(zhǔn)的認(rèn)證，目前已經(jīng)批量生產(chǎn)。
[Abstract]:The use of the vehicle driving recorder plays an important role in curbing traffic violations, restraining the bad driving behavior of the driver, ensuring the safety of the vehicle and the analysis and identification of the road traffic accident. The new generation of satellite positioning CarLog not only has the above functions, but also has real-time vehicle supervision, problem warning, anti-robbery, anti-theft and pre-accident reminders, and calls for help after the accident. At present, China's independent Beidou positioning system has been relatively mature, in response to the national call to promote the Beidou terminal, the Global Positioning system uses Beidou positioning. The system uses ARM9 controller MB9G711 and other functional components to design a satellite positioning CarLog. Functional components include: power control circuit, LCD circuit, printer drive circuit, Beidou module and GPRS module control circuit. The interference of the system is analyzed and the suppression measures are put forward. In this paper, the Israeli open source operating system EFOS, is transplanted and the related hardware driver is compiled under its framework. The Beidou positioning system is used to collect geographic information and filter out the discontinuous jump data when the satellite signal is weak. Using the three-axis acceleration sensor to calculate the horizontal degree, the working principle and the related algorithm of calculating the rollover are analyzed in detail, and the electronic fence is calculated by the ray method to determine whether the vehicle is running according to the predetermined route or area. A large number of experiments have been carried out on the developed satellite positioning CarLog, each index has reached the design requirements and has strong anti-interference ability. It has passed the certification of national standard and industry standard successively, and has been produced in batches at present.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：U463.6;U495

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