| 基于DSP的地下微水检测系统 |
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| 引用本文： | 刘志辉,尹斌,荣梅,吴立佳.基于DSP的地下微水检测系统[J].国外电子元器件,2010(3):41-42,45. |
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| 作者姓名： | 刘志辉 尹斌 荣梅 吴立佳 |
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| 作者单位： | 河海大学电气工程学院; |
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| 摘 要： | 根据微水试验法确定含水层水文地质参数的实验要求，介绍一种基于DSP的地下微水检测系统，用于观测井中水位降深随时间的变化规律。该系统以TMS320F2812为核心，采用压力式液位变送器和温度传感器进行数据采集，数据经分析处理后在LCD上实时显示，同时通过USB接口存储数据。该系统采用 μC／OS-Ⅱ作为底层软件平台，实现功能模块程序设计。现场运行结果表明：系统结构简单，实时性好，可靠性高，测量精度可达到2‰。
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| 关 键 词： | 检测系统 TMS320F2812 μC／OS-Ⅱ USB 传感器 |
Underground microwater detection system based on DSP |
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| LIU Zhi-hui,YIN Bin,RONG Mei,WU Li-jia.Underground microwater detection system based on DSP[J].International Electronic Elements,2010(3):41-42,45. |
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| Authors: | LIU Zhi-hui YIN Bin RONG Mei WU Li-jia |
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| Institution: | Department of Electric and Engineer;HoHai University;Nanjing 210098;China |
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| Abstract: | According to the experiment demands of determining hydro-geologial paramenter of aquifer by slug test,this paper introduces an underground mierowater detection system based on DSP,whieh observes drawdown＇s variations with time in a well.This system took TMS320F2812 as the core module,and used pressure type level transmitter and temperature sensor to achieve modules of data acquisition.The data which was analyzed and processed,and was real-time displayed on LCD and stored through the USB interface.The system used μC/OS-Ⅱ as bottom software platform to realize programming of function module.The results from the field operation show that this system has advantages of simple structure,good real-time performance ,high reliability, and the measurement accuracy is 2‰. |
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| Keywords: | detection system TMS320F2812 μC／OS-Ⅱ USB sensor |
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