本文關(guān)鍵詞： 解碼 高速數(shù)據(jù)采集 FPGA USB SDRAM 乒乓緩存 異步FIFO　出處：《燕山大學》2015年碩士論文　論文類型：學位論文

【摘要】：石油關(guān)乎國計民生,石油測井是石油生產(chǎn)過程的關(guān)鍵。石油測井技術(shù)包括數(shù)據(jù)采集技術(shù)、處理解釋技術(shù)及地質(zhì)應用技術(shù)。本文將針對現(xiàn)階段石油測井儀器測量系數(shù)單一,測試效率低和功能性、兼容性差等問題,結(jié)合現(xiàn)代數(shù)據(jù)采集技術(shù)和處理解釋技術(shù),并針對AMI(Alternative Mark Inversion)曼徹斯特碼在持氣率測井系統(tǒng)中應用,研究并設(shè)計了基于FPGA與USB的AMI曼徹斯特解碼系統(tǒng)。首先,針對石油測井數(shù)據(jù)采集卡的缺陷,研究了基于FPGA和USB的高速實時數(shù)據(jù)采集卡。在高速實時數(shù)據(jù)采集卡設(shè)計思想基礎(chǔ)上,提出可行性分析及設(shè)計方案,分別對基于SDRAM與異步FIFO構(gòu)成的乒乓緩存單元和基于FPGA與USB接口控制器進行了詳細的設(shè)計。進一步設(shè)計了高速實時數(shù)據(jù)采集卡的硬件電路,包括預處理模塊設(shè)計、AD轉(zhuǎn)換模塊設(shè)計、乒乓緩存單元模塊設(shè)計、USB通信模塊設(shè)計和電源與復位模塊設(shè)計,并對其進行了具體實現(xiàn)。斯特解碼系統(tǒng)軟件。在AMI曼徹斯特解碼軟件設(shè)計思想的基礎(chǔ)之上,提出可行性分析及設(shè)計方案,并設(shè)計了AMI曼碼解碼軟件的整體框架,分別對實時數(shù)據(jù)采集與處理多線程模塊、AMI曼碼解碼模塊、光纖探針持氣率估算模塊和曼碼數(shù)據(jù)存儲顯示回放模塊進行了詳細的分析與設(shè)計。其次,針對曼徹斯特解碼軟件的不靈活性和不準確性,設(shè)計并實現(xiàn)了AMI曼徹最后,通過搭建實驗室軟硬件測試平臺,分別對系統(tǒng)的軟硬件部分進行測試實驗。采用Cypress公司開發(fā)的測速軟件USB Data Streamer對系統(tǒng)高速數(shù)據(jù)采集卡的傳輸速度進行測試,采用黑盒測試和持氣率測量實驗平臺分別對軟件的光纖信號采集模式、光纖數(shù)據(jù)存儲模式和光纖數(shù)據(jù)回放模式等功能模塊進行測試,驗證解碼系統(tǒng)的可行性和準確性。
[Abstract]:Petroleum logging is the key to the petroleum production process. Petroleum logging technology includes data acquisition technology. Dealing with interpretation technology and geological application technology, this paper aims at the problems of single measuring coefficient, low testing efficiency and function, poor compatibility and so on. Combined with modern data acquisition technology and processing and interpretation technology, AMI(Alternative Mark version Manchester code is applied in gas holdup logging system. The AMI Manchester decoding system based on FPGA and USB is studied and designed. Firstly, the defects of oil logging data acquisition card are analyzed. The high-speed real-time data acquisition card based on FPGA and USB is studied. Based on the design idea of high-speed real-time data acquisition card, the feasibility analysis and design scheme are put forward. The ping-pong buffer unit based on SDRAM and asynchronous FIFO and the interface controller based on FPGA and USB are designed in detail. Furthermore, the hardware of high-speed real-time data acquisition card is designed. Road. Including preprocessing module design AD conversion module design, ping-pong buffer module module design USB communication module design and power supply and reset module design. On the basis of the design idea of AMI Manchester decoding software, the feasibility analysis and design scheme are put forward. The whole frame of AMI code decoding software is designed, and the multi-thread module of real-time data acquisition and processing is designed. Fiber probe gas holdup estimation module and Mancode data storage display and playback module are analyzed and designed in detail. Secondly, the inflexibility and inaccuracy of Manchester decoding software are discussed. Finally, the software and hardware testing platform of the laboratory is built. The software and hardware of the system were tested by USB Data, which was developed by Cypress. Streamer tests the transmission speed of the system's high-speed data acquisition card. The function modules of the software, such as optical fiber signal acquisition mode, optical fiber data storage mode and optical fiber data playback mode, are tested using black box test and air holdup test platform. Verify the feasibility and accuracy of the decoding system.
【學位授予單位】：燕山大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：P631.81

【參考文獻】

相關(guān)期刊論文 前10條

1 陳超波;張鵬;何寧;李永興;;一種基于DSP的曼徹斯特Ⅱ碼解析系統(tǒng)[J];兵工自動化;2011年09期

2 羅明璋;王慧軍;;基于高速單片機的曼徹斯特碼數(shù)據(jù)采集系統(tǒng)的實現(xiàn)[J];長江大學學報(自科版)理工卷;2006年04期

3 姚家驊,姚偉,王建平;現(xiàn)代測井技術(shù)發(fā)展的啟示[J];斷塊油氣田;2001年03期

4 楊海鋼;孫嘉斌;王慰;;FPGA器件設(shè)計技術(shù)發(fā)展綜述[J];電子與信息學報;2010年03期

5 蘇海冰,吳欽章;用SDRAM在高速數(shù)據(jù)采集和存儲系統(tǒng)中實現(xiàn)海量緩存[J];光學精密工程;2002年05期

6 項力領(lǐng);劉智;楊陽;胡智慧;;單片SDRAM的數(shù)據(jù)讀寫乒乓操作設(shè)計[J];長春理工大學學報(自然科學版);2013年05期

7 方傳杰;朱健;房志東;;高速實時數(shù)據(jù)采集智能控制器的設(shè)計與實現(xiàn)[J];電子技術(shù);2014年05期

8 段然,樊曉椏,張盛兵,沈戈,梁婕;基于狀態(tài)機的SDRAM控制器的設(shè)計與實現(xiàn)[J];計算機工程與應用;2005年17期

9 武貴俊;;嵌入式石油測井儀器的研究[J];中國石油和化工標準與質(zhì)量;2014年02期

10 郭紹生;;石油測井數(shù)據(jù)信息采集主流技術(shù)淺析[J];科學中國人;2014年22期

相關(guān)碩士學位論文 前6條

1 包晗;FPGA器件的應用研究[D];大連海事大學;2006年

2 李福輝;石油測井數(shù)據(jù)采集系統(tǒng)[D];大連理工大學;2008年

3 楊曉暉;高速圖像采集系統(tǒng)設(shè)計[D];西安電子科技大學;2013年

4 李超;基于FPGA+USB2.0高速數(shù)據(jù)采集系統(tǒng)的研究與設(shè)計[D];武漢理工大學;2013年

5 王炎;油氣水三相流藍寶石光纖探針傳感器持氣率測量技術(shù)研究[D];燕山大學;2013年

6 李飛;基于PIC單片機井下AMI曼徹斯特碼編解碼系統(tǒng)研究[D];燕山大學;2014年

，

本文編號：1471600