本文選題：全球定位系統(tǒng) + 測速��； 參考：《天津理工大學(xué)》2013年碩士論文

【摘要】：目前國內(nèi)的車速測量校準(zhǔn)標(biāo)準(zhǔn)尚處在研究階段,需要設(shè)計(jì)可對其它測速裝置進(jìn)行計(jì)量校準(zhǔn)檢定的車速校準(zhǔn)檢定標(biāo)準(zhǔn)系統(tǒng)。全球定位系統(tǒng)(Global Position System)的出現(xiàn),為車輛速度的測量提供了一種全新的技術(shù)途徑與實(shí)用方法。目前全球定位系統(tǒng)可進(jìn)行高精度的車速測量,能夠作為其他測速裝置的校準(zhǔn)系統(tǒng)。 本文在研究目前測速校準(zhǔn)發(fā)展水平的前提下,對GPS測速原理進(jìn)行了細(xì)致的分析與研究,并且重點(diǎn)分析應(yīng)用多普勒頻移算法的GPS測速特點(diǎn)。在以上的研究基礎(chǔ)上提出GPS測速作為其它測速裝置的校準(zhǔn)標(biāo)準(zhǔn),并設(shè)計(jì)測速校準(zhǔn)系統(tǒng)。 采用AsteRx2e作為GPS信號的接收模塊,通過相關(guān)車載實(shí)驗(yàn),并進(jìn)行數(shù)據(jù)采集,對實(shí)驗(yàn)結(jié)果進(jìn)行采樣分析,得出測速數(shù)據(jù)的更新率達(dá)到25Hz,表明測速系統(tǒng)的實(shí)時(shí)性良好；通過計(jì)算速度標(biāo)準(zhǔn)差,測速誤差精度可達(dá)0.01m/s以內(nèi),可得出測速誤差精度滿足車輛校準(zhǔn)的要求。 選擇基于WinCE系統(tǒng)的工控機(jī)觸摸屏作為GPS測速數(shù)據(jù)的控制模塊。在EVC平臺上編寫程序代碼,完成數(shù)據(jù)的實(shí)時(shí)讀取與顯示的同時(shí)使顯示界面更加美觀。完成系統(tǒng)封裝后進(jìn)行相關(guān)車載實(shí)驗(yàn),實(shí)驗(yàn)結(jié)果表明測速系統(tǒng)的測速誤差精度與速度更新率均符合要求。
[Abstract]:At present, the domestic speed measurement and calibration standard is still in the research stage, it is necessary to design the speed calibration standard system which can be used to measure and calibrate other speed measuring devices. The appearance of Global Position system (GPS) provides a new technical approach and practical method for vehicle speed measurement. At present, GPS can be used as calibration system for other velocimetry devices. In this paper, the principle of GPS velocimetry is analyzed and studied in detail, and the characteristics of GPS velocimetry based on Doppler frequency shift algorithm are emphatically analyzed on the premise of studying the development level of velocimetry calibration at present. On the basis of the above research, GPS velocimetry is put forward as the calibration standard of other velocimetry devices, and the calibration system is designed. AsteRx2e is used as the receiving module of GPS signal, and through the related vehicle experiment and data acquisition, the experimental results are sampled and analyzed, and the update rate of the velocity measurement data is up to 25 Hz, which shows that the real-time performance of the speed measurement system is good. By calculating the speed standard deviation, the accuracy of the speed measurement error can reach within 0.01m/s, and the accuracy of the speed measurement error can meet the requirements of vehicle calibration. The industrial computer touch screen based on WinCE system is selected as the control module of GPS speed measurement data. The program code is written on EVC platform, which can read and display the data in real time and make the display interface more beautiful. After the system is encapsulated, the related vehicle experiments are carried out. The experimental results show that the speed measurement error accuracy and the speed update rate of the velocity measurement system meet the requirements.
【學(xué)位授予單位】：天津理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：P228.4;U495

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 常青,柳重堪,張其善;GPS 定位與測速算法研究[J];北京航空航天大學(xué)學(xué)報(bào);1998年05期

2 杜鵬,傅夢印,張鴻業(yè),王美玲;GPS定位誤差分析與建模[J];北京理工大學(xué)學(xué)報(bào);1998年04期

3 常慶生,唐四元,常青;GPS測量的誤差及精度控制[J];測繪通報(bào);2000年04期

4 何海波,楊元喜,孫中苗;幾種GPS測速方法的比較分析[J];測繪學(xué)報(bào);2002年03期

5 張小紅,李征航,汪志明;GPS定位技術(shù)在不同領(lǐng)域的應(yīng)用[J];測繪信息與工程;2001年02期

6 陽仁貴;歐吉坤;聞德保;;GPS廣播星歷誤差及對定位結(jié)果的影響[J];測繪信息與工程;2006年01期

7 張明;王宏濤;王強(qiáng);;利用GPS多普勒觀測值精確確定運(yùn)動載體的速度[J];電光與控制;2006年03期

8 王新龍;李亞峰;;GPS定位中4種對流層延遲修正模型適應(yīng)性分析[J];電光與控制;2008年11期

9 周立鋒;曹淑艷;姜大治;韓先平;;GPS高精度測速方法探討[J];電光與控制;2009年02期

10 張淑芳,袁安存;一種以自主方式提高GPS定位精度的方法[J];電子學(xué)報(bào);1999年09期

，

本文編號：1797397