| 基于FPGA的阵列感应测井数据采集系统设计 |
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| 引用本文： | 王树争,严胜刚.基于FPGA的阵列感应测井数据采集系统设计[J].计算机测量与控制,2011,19(9). |
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| 作者姓名： | 王树争 严胜刚 |
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| 作者单位： | 西北工业大学航海学院,陕西西安,710072 |
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| 摘 要： | 针对井下高温、高压的恶劣环境,井下数据采集系统的准确、稳定的工作是一个重要问题;数据采集系统具有8个主数据采集通道,每个通道最高支持2MSPS的采样率;以现场可编程门阵列FPGA为核心处理器,实现系统的逻辑控制以及正交解调处理;选用高性能、高可靠性的CAN总线完成本系统与上位机的数据传输;指出了系统设计中需要注意的问题,并且讨论了其中关键部分的具体实现;经过实际测试验证,本系统设计正确合理,工作稳定,达到了设计要求。
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| 关 键 词： | 数据采集 FPGA 阵列感应测井 CAN总线 |
Data Acquisition System Design of Array Induction Logging Based on FPGA |
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| Wang Shuzheng,Yan Shenggang.Data Acquisition System Design of Array Induction Logging Based on FPGA[J].Computer Measurement & Control,2011,19(9). |
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| Authors: | Wang Shuzheng Yan Shenggang |
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| Affiliation: | Wang Shuzheng,Yan Shenggang(College Of Marine,Northwestern Polytechnical University,Xi'an 710072,China) |
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| Abstract: | Because of the high temperature,high-pressured circumstance in the mine,the accuracy and stability of data acquisition system is an important problem.This data acquisition system has 8 main data acquisition channels.Each channel supports 2MSPS of maximum sampling rate.Taking field programmable gate array FPGA as the core processor,it realizes system's logical control as well as to carries on quadrature demodulation processing.The system adopt the high performance,reliability CAN bus to transmit data to host... |
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| Keywords: | data acquisition FPGA array induction logging CAN bus |
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