【摘要】：隨著我國高速鐵路的快速發(fā)展,列車的行車安全至關(guān)重要。鋼軌損壞會直接危及列車的安全,如何高速、快捷、準(zhǔn)確的檢測鋼軌的完整性尤為重要。 目前國內(nèi)外的鋼軌探傷方法以超聲波鋼軌探傷車為主,其檢測速度慢、效率低、需要添加耦合劑,不能滿足高速鋼軌探傷的需求。本文介紹了具有非接觸、高速度等優(yōu)點(diǎn)的電磁渦流檢測技術(shù),并將其運(yùn)用于鋼軌探傷中。電磁鋼軌探傷能夠非接觸的、高速、高精度的檢測到鋼軌的表面及淺表面的缺陷。 本文介紹了在線電磁鋼軌探傷系統(tǒng)的設(shè)計(jì)框架。信號激勵源將激勵信號通過電磁發(fā)射探頭發(fā)射到鋼軌表面,同時(shí)電磁感應(yīng)探頭檢測鋼軌的渦流場效應(yīng)信號,感應(yīng)信號經(jīng)過放大和模擬數(shù)字轉(zhuǎn)換后被FPGA采樣,FPGA經(jīng)過信號解調(diào)可以分析出鋼軌是否損壞。如果鋼軌損壞,車載嵌入式控制中心將鋼軌損壞等級、缺陷位置、探傷線路等信息通過GPRS網(wǎng)路傳送給地面的服務(wù)器,服務(wù)器接收后對鋼軌數(shù)據(jù)進(jìn)行存儲和統(tǒng)一管理。本文設(shè)計(jì)的車載設(shè)備探傷——地面服務(wù)器數(shù)據(jù)管理模式的探傷系統(tǒng)使鋼軌探傷任務(wù)更加簡單、快捷、高效。 本文詳細(xì)的介紹了數(shù)據(jù)管理與監(jiān)控子系統(tǒng)的設(shè)計(jì)和開發(fā)細(xì)節(jié),主要包括車載控制中心和服務(wù)器軟件兩部分�；赟3C6410處理器、嵌入式Linux操作系統(tǒng)開發(fā)了車載控制中心,通過QT人機(jī)交互界面配置參數(shù)、控制探傷任務(wù),程序后臺進(jìn)行數(shù)據(jù)傳輸、缺陷定位、組裝報(bào)文和GPRS通信。在VS2008平臺開發(fā)了服務(wù)器軟件,可以實(shí)現(xiàn)對鋼軌探傷任務(wù)的監(jiān)控,探傷數(shù)據(jù)的管理,歷史探傷數(shù)據(jù)的查詢、顯示和參數(shù)配置。 車載探傷設(shè)備和探傷數(shù)據(jù)服務(wù)器之間通過GPRS網(wǎng)絡(luò)傳輸數(shù)據(jù),從而保證探傷設(shè)備可以裝備在高速運(yùn)行的列車上執(zhí)行鋼軌探傷任務(wù),而數(shù)據(jù)服務(wù)器專門負(fù)責(zé)探傷數(shù)據(jù)的管理。鋼軌缺陷檢測和探傷數(shù)據(jù)管理各自獨(dú)立,互不影響,提升了在線電磁鋼軌探傷系統(tǒng)的安全穩(wěn)定性。 本文的在線鋼軌探傷數(shù)據(jù)管理與監(jiān)控系統(tǒng)是將探傷設(shè)備裝備在普通列車上,地面服務(wù)器負(fù)責(zé)管理探傷數(shù)據(jù),使得鋼軌探傷任務(wù)更加高效、快捷、簡單。
[Abstract]:With the rapid development of high-speed railway in China, train safety is very important. Rail damage will directly endanger the safety of the train, how to high-speed, fast, accurate detection of rail integrity is particularly important. At present, ultrasonic rail detection vehicle is the main method of rail detection at home and abroad. Its detection speed is slow and its efficiency is low. It needs to add coupling agent, which can not meet the needs of high-speed rail inspection. This paper introduces the electromagnetic eddy current detection technology with the advantages of non-contact and high speed, and applies it to rail flaw detection. Non-contact, high-speed, high-precision detection of rail surface and shallow surface defects can be achieved by electromagnetic rail detection. This paper introduces the design framework of the on-line electromagnetic rail flaw detection system. The signal excitation source emits the excitation signal to the rail surface through the electromagnetic emission probe, and the electromagnetic induction probe detects the eddy current field effect signal of the rail. After amplifying and analog to digital conversion, the inductive signal is sampled and demodulated by FPGA to determine whether the rail is damaged or not. If the rail is damaged, the in-vehicle embedded control center transmits the rail damage grade, defect location, flaw detection line and other information to the server on the ground through the GPRS network. After receiving the information, the server stores and manages the rail data uniformly. In this paper, the on-board equipment flaw detection system based on the data management mode of the ground server makes the rail detection task simpler, faster and more efficient. This paper introduces the design and development of data management and monitoring subsystem in detail, mainly including vehicle control center and server software. Based on the S3C6410 processor, the embedded Linux operating system has developed the vehicle control center. Through the QT man-machine interface configuration parameters, the control flaw detection task, the program backstage carries on the data transmission, the flaw localization, assembles the message and the GPRS communication. The server software is developed on VS2008 platform, which can realize the monitoring of rail flaw detection task, the management of flaw detection data, the query, display and parameter configuration of historical flaw detection data. The data between the on-board flaw detection equipment and the flaw detection data server are transmitted through the GPRS network, thus ensuring that the flaw detection equipment can be equipped to carry out rail inspection tasks on high-speed trains, while the data server is specially responsible for the management of flaw detection data. The rail defect detection and flaw detection data management are independent and do not affect each other, which improves the safety and stability of the on-line electromagnetic rail flaw detection system. The on-line rail flaw detection data management and monitoring system in this paper is to equip the flaw detection equipment on the ordinary train, and the ground server is responsible for managing the flaw detection data, which makes the rail detection task more efficient, fast and simple.
【學(xué)位授予單位】：北京交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2012
【分類號】：TP368.1;U213.43

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 趙玉豐;朱榮新;楊賓峰;方姚生;;基于聚磁技術(shù)的新型脈沖渦流傳感器設(shè)計(jì)[J];傳感器與微系統(tǒng);2011年07期

2 谷宗冉;孟立凡;楊艷軍;;基于GPRS的無線數(shù)據(jù)傳輸系統(tǒng)[J];電測與儀表;2010年S1期

3 王儀琛;皮德常;;基于ARM9的Qtopia在utu2440上的移植及其應(yīng)用開發(fā)[J];電腦知識與技術(shù);2009年04期

4 于幫偉;鄧華秋;;基于Qt/Embedded的嵌入式數(shù)字監(jiān)控系統(tǒng)控制界面的實(shí)現(xiàn)[J];電視技術(shù);2011年24期

5 熊丹;;常見的嵌入式操作系統(tǒng)[J];電子世界;2011年10期

6 緱新科;滕永;;基于ARM9的嵌入式Linux系統(tǒng)分析與移植[J];甘肅科學(xué)學(xué)報(bào);2011年04期

7 楊洋;;嵌入式Linux操作系統(tǒng)中數(shù)據(jù)采集程序設(shè)計(jì)[J];工業(yè)控制計(jì)算機(jī);2008年10期

8 李駒光;吳金華;;嵌入式工業(yè)控制計(jì)算機(jī)設(shè)計(jì)[J];工業(yè)控制計(jì)算機(jī);2012年01期

9 湯偉;李強(qiáng);;Qt/E的嵌入式Linux GUI研究與實(shí)現(xiàn)[J];計(jì)算機(jī)應(yīng)用與軟件;2011年10期

10 曹海霞;王暢;楊賓峰;張軍潮;張輝;;脈沖渦流無損檢測提離效應(yīng)研究[J];空軍工程大學(xué)學(xué)報(bào)(自然科學(xué)版);2011年03期

相關(guān)碩士學(xué)位論文 前2條

1 黃玉清;基于ARM9及GPRS的警用車載讀寫系統(tǒng)的設(shè)計(jì)[D];武漢理工大學(xué);2010年

2 汪謝丹;基于ARM9和嵌入式Linux的BACnet樓宇控制器的研究[D];武漢理工大學(xué);2010年

，

本文編號：2193148