智能車載語音播報(bào)器的設(shè)計(jì)與開發(fā)
本文選題:智能公交系統(tǒng) + 智能車載語音播報(bào)器 ; 參考:《湖南大學(xué)》2012年碩士論文
【摘要】:智能交通系統(tǒng)是解決當(dāng)今城市交通擁堵,優(yōu)化交通環(huán)境的重要舉措。智能公交系統(tǒng)是智能交通系統(tǒng)的重要組成部分。智能公交系統(tǒng)的建立可以有效的提高公交運(yùn)行效率和服務(wù)水平,從而為廣大市民出行提供更為優(yōu)質(zhì)、便利的運(yùn)輸服務(wù)。而智能車載語音播報(bào)器作為重要的車載終端設(shè)備在智能公交系統(tǒng)的發(fā)展中占有重要的地位。 本文在閱讀大量的參考文獻(xiàn)和相關(guān)技術(shù)手冊(cè)的基礎(chǔ)上,運(yùn)用嵌入式技術(shù)、GPS技術(shù)、WinCE等,提出了智能車載語音播報(bào)器的設(shè)計(jì)方案,并實(shí)現(xiàn)了智能車載語音播報(bào)器基本功能。 智能車載語音播報(bào)器是智能公交系統(tǒng)的重要組成部分,作為系統(tǒng)終端其承擔(dān)著GPS數(shù)據(jù)采集、車輛實(shí)時(shí)定位、智能巡航語音報(bào)站以及更新車載LED顯示等功能。本文詳細(xì)介紹了智能車載語音播報(bào)器的設(shè)計(jì)與實(shí)現(xiàn),在總體方案中提出了系統(tǒng)硬件平臺(tái)和軟件平臺(tái)的選擇;硬件設(shè)計(jì)中對(duì)各模塊具體芯片選型及電路設(shè)計(jì)進(jìn)行了詳細(xì)介紹;在軟件設(shè)計(jì)中對(duì)操作系統(tǒng)的定制移植及應(yīng)用程序具體設(shè)計(jì)詳細(xì)進(jìn)行了闡述;最后,考慮到隨著智能公交系統(tǒng)的快速發(fā)展,其對(duì)GPS定位精度的要求將會(huì)越來越高,,本文對(duì)GPS高精度動(dòng)態(tài)定位理論進(jìn)行了研究,分析當(dāng)今流行的幾種高精度動(dòng)態(tài)定位算法可知,整周模糊度的快速、可靠解算是實(shí)現(xiàn)GPS高精度動(dòng)態(tài)定位必須要解決的關(guān)鍵問題之一。本文研究附有約束條件的GPS整周模糊度快速解算算法。通過仿真表明,該算法在模糊度解算效率和可靠性中間取得了一定的平衡,理論上適合于動(dòng)態(tài)定位。 智能車載語音播報(bào)器設(shè)計(jì)完成后,通過上車實(shí)際測試并進(jìn)行了修改和優(yōu)化。通過測試,目前本終端系統(tǒng)已經(jīng)完成了車輛實(shí)時(shí)定位、智能語音播報(bào)、LED更新顯示功能。
[Abstract]:Intelligent Transportation system (its) is an important measure to solve urban traffic congestion and optimize traffic environment. Intelligent bus system is an important part of intelligent transportation system. The establishment of intelligent public transport system can effectively improve the efficiency and service level of public transport, thus providing a more high-quality and convenient transportation service for the general public travel. As an important vehicle terminal equipment, intelligent vehicle voice announcer plays an important role in the development of intelligent bus system. On the basis of reading a lot of references and related technical manuals, this paper puts forward the design scheme of intelligent vehicle voice announcer by using embedded technology such as GPS and wince, and realizes the basic function of intelligent vehicle voice announcer. As an important part of the intelligent bus system, the intelligent vehicle voice announcer is responsible for the functions of GPS data acquisition, vehicle real-time positioning, intelligent cruise voice reporting and updating the on-board LED display as the terminal of the system. In this paper, the design and implementation of the intelligent vehicle voice transmitter are introduced in detail, and the selection of the system hardware platform and the software platform is put forward in the overall scheme, and the specific chip selection and circuit design of each module are introduced in detail in the hardware design. In the software design, the customized transplantation of the operating system and the specific design of the application program are elaborated in detail. Finally, with the rapid development of the intelligent public transportation system, the requirement of GPS positioning accuracy will be higher and higher. In this paper, the theory of GPS high precision dynamic location is studied, and several popular high precision dynamic positioning algorithms are analyzed. It is known that the fast and reliable solution of integer ambiguity is one of the key problems to be solved to realize GPS high precision dynamic positioning. In this paper, a fast algorithm for solving GPS integer ambiguity with constraints is studied. The simulation results show that the algorithm achieves a certain balance between the ambiguity resolution efficiency and reliability, and is suitable for dynamic positioning theoretically. After the design of the intelligent vehicle voice announcer was completed, it was tested and modified and optimized. Through testing, the terminal system has completed the vehicle real-time positioning, intelligent voice broadcast LED update display function.
【學(xué)位授予單位】:湖南大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2012
【分類號(hào)】:TN967.1;TP368.12
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