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基于DSP的地下微水检测系统

消耗积分:3 | 格式:rar | 大小:712 | 2011-01-04

刘埃生

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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‰。
Abstract:
 According to the experiment demands of determining hydro-geologial paramenter of aquifer by slug test,this paper introduces an underground microwater detection system based on DSP,which observes drawdown’s variations with time in a well.This system took TMS320F2812as 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 usedμC/OS-Ⅱas 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 is2‰.

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