發(fā)布時間：2018-05-12 02:11

  本文選題：GPS + 基線解算　； 參考：《蘭州交通大學(xué)》2013年碩士論文

【摘要】：高精度形變監(jiān)測具有兩個方面的意義：一是在實(shí)際應(yīng)用上,可以及時發(fā)現(xiàn)工程建筑和地質(zhì)結(jié)構(gòu)上可能出現(xiàn)的隱患和變動問題,及早的做出應(yīng)對措施；二是在科學(xué)上,對一些理論的可行性驗(yàn)證,進(jìn)一步深入理解形變的基礎(chǔ)原理,并為工程上建立準(zhǔn)確的預(yù)測機(jī)制提供可靠地理論依據(jù)和方法�；贕PS的衛(wèi)星定位技術(shù)已經(jīng)廣泛應(yīng)用于各種生產(chǎn)領(lǐng)域,且具有精度高、連續(xù)性好、全天候、實(shí)時性的特點(diǎn),還可以在環(huán)境惡劣有人值守比較困難的情況下,進(jìn)行無人監(jiān)測,因此而成為當(dāng)今主要的監(jiān)測手段。 本文即是基于GPS衛(wèi)星定位技術(shù),設(shè)計并實(shí)現(xiàn)一種高精度的形變監(jiān)測系統(tǒng)。文章首先對系統(tǒng)的理論依據(jù)做了介紹和仿真,主要是在Gamit基線解算的基礎(chǔ)上,同時采用迭代卡爾曼濾波對接收的數(shù)據(jù)和基線解算值進(jìn)行不斷地預(yù)測,并與實(shí)際數(shù)據(jù)相比較,達(dá)到最優(yōu)的估計值。從而在相對定位的基線解算過程中得到高精度的監(jiān)測點(diǎn)的形變量,達(dá)到對監(jiān)測點(diǎn)的形變量做出動態(tài)預(yù)警監(jiān)測。 其次,在系統(tǒng)功能上主要是針對流動站和基準(zhǔn)站的設(shè)計。在流動站上,采用EM9170工控開發(fā)板與GPS模塊,負(fù)責(zé)接收監(jiān)測點(diǎn)的GPS數(shù)據(jù),使用編程語言自動獲取解算需要的數(shù)據(jù)和衛(wèi)星信息,并將接收的數(shù)據(jù)通過無線網(wǎng)橋發(fā)送給基準(zhǔn)站；基準(zhǔn)站上則由ENC5146和GPS模塊組成,基準(zhǔn)站上除采集GPS衛(wèi)星數(shù)據(jù)外,同時它也要負(fù)責(zé)將流動站傳輸來的數(shù)據(jù)和本身采集的數(shù)據(jù)組合進(jìn)行基線解算,這是系統(tǒng)的核心功能,之后它會將解算數(shù)據(jù)等相關(guān)信息通過公網(wǎng)GPRS傳送到遠(yuǎn)端的監(jiān)測服務(wù)器上。流動站和基準(zhǔn)站的功能通過VS2008進(jìn)行編寫,此外并對相應(yīng)的數(shù)據(jù)庫進(jìn)行設(shè)計。 最后本文根據(jù)系統(tǒng)在蘭州窯街電力鐵塔項(xiàng)目的實(shí)際應(yīng)用,使用所得數(shù)據(jù)進(jìn)行分析,判斷誤差達(dá)到高精度毫米級要求,同時驗(yàn)證了本系統(tǒng)在實(shí)際應(yīng)用中的可靠性和穩(wěn)定性,具有廣泛的實(shí)際應(yīng)用前景。 本論文的創(chuàng)新點(diǎn)在于以開源的Gamit解算為原型,通過Gamit解算模型的改進(jìn)和迭代卡爾曼濾波的綜合運(yùn)用設(shè)計解算算法,然后以此理論算法為依據(jù)設(shè)計高精度形變監(jiān)測系統(tǒng),并在實(shí)際中得到應(yīng)用。
[Abstract]:The high precision deformation monitoring has two aspects significance: first, in the practical application, may discover the hidden danger and the change question which the engineering building and the geological structure may appear in time, makes the countermeasure as soon as possible; second, is in the scientific aspect, To verify the feasibility of some theories, we can further understand the basic principles of deformation and provide a reliable theoretical basis and method for the establishment of an accurate prediction mechanism in engineering. Satellite positioning technology based on GPS has been widely used in various fields of production, and has the characteristics of high precision, good continuity, all-weather, real-time. As a result, it has become the main monitoring means. Based on GPS satellite positioning technology, a high precision deformation monitoring system is designed and implemented in this paper. This paper first introduces and simulates the theoretical basis of the system, mainly on the basis of the Gamit baseline solution, at the same time, using iterative Kalman filter to continuously predict the received data and the baseline solution, and compare with the actual data. An optimal estimate is reached. Thus, the shape variables of the monitoring points with high accuracy are obtained during the calculation of the relative positioning baselines, and the dynamic early warning monitoring of the shape variables of the monitoring points is achieved. Secondly, the system function is mainly aimed at the design of mobile station and reference station. In the mobile station, EM9170 industrial control development board and GPS module are used to receive the GPS data from the monitoring point, and the data and satellite information are automatically obtained by programming language, and the received data are sent to the reference station through the wireless network bridge. The datum station is composed of ENC5146 and GPS modules. In addition to collecting GPS satellite data, it is also responsible for the baseline calculation of the data transmitted from the mobile station and the data collected by itself, which is the core function of the system. It will then calculate the data and other related information via the public network GPRS to the remote monitoring server. The functions of mobile station and reference station are written by VS2008, and the corresponding database is designed. Finally, according to the practical application of the system in Lanzhou Yaojie electric power tower project, using the obtained data to analyze, the judgment error reaches the requirement of high precision millimeter, and the reliability and stability of the system in the practical application are verified at the same time. It has a wide range of practical application prospects. The innovation of this paper is that the open-source Gamit solution is used as the prototype, the improved Gamit solution model and the integrated application of iterative Kalman filter are used to design the algorithm, and then the high-precision deformation monitoring system is designed based on the theoretical algorithm. And it is applied in practice.
【學(xué)位授予單位】：蘭州交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TP274;P228.4

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 李長洪;范麗萍;張吉良;苗勝軍;王云飛;;卡爾曼濾波在大型深凹露天礦邊坡變形監(jiān)測預(yù)測中的應(yīng)用[J];北京科技大學(xué)學(xué)報;2010年01期

2 陳蕾;劉立龍;陳東銀;;自適應(yīng)卡爾曼濾波法用于變形監(jiān)測數(shù)據(jù)處理[J];測繪工程;2008年01期

3 張福榮;王濤;;自適應(yīng)Kalman濾波在某大壩形變監(jiān)測中的應(yīng)用[J];地礦測繪;2011年01期

4 戴吾蛟;伍錫銹;;變形監(jiān)測中Kalman濾波狀態(tài)模型的比較分析[J];大地測量與地球動力學(xué);2009年06期

5 袁林果;黃丁發(fā);丁曉利;鐘萍;;高精度GPS變形監(jiān)測中基線解算的精度分析[J];工程勘察;2004年02期

6 王軍;;GPS變形監(jiān)測網(wǎng)設(shè)計與數(shù)據(jù)處理中的基準(zhǔn)問題[J];工程勘察;2004年03期

7 宋清昆;劉小磊;;神經(jīng)網(wǎng)絡(luò)修正動態(tài)GPS卡爾曼濾波算法研究[J];計算機(jī)工程與應(yīng)用;2011年15期

8 李洪江;王晶;;GPS在電力系統(tǒng)中的應(yīng)用研究[J];科技風(fēng);2011年19期

9 李杰,王曉強(qiáng);應(yīng)用GAMIT軟件進(jìn)行高精度GPS定位解算[J];內(nèi)陸地震;2001年04期

10 鄔熙娟;高俊強(qiáng);黃燕;;小區(qū)域GPS網(wǎng)GAMIT解算結(jié)果與IGS站選取的關(guān)系[J];南京工業(yè)大學(xué)學(xué)報(自然科學(xué)版);2010年04期

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本文編號：1876648