| 基于嵌入式的智能流速仪研制 |
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| 引用本文： | 双正文,茹纯亮,吕霞付.基于嵌入式的智能流速仪研制[J].电子测试,2008(12):70-75. |
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| 作者姓名： | 双正文 茹纯亮 吕霞付 |
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| 作者单位： | 重庆邮电大学自动化学院,重庆,400065 |
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| 摘 要： | 流速仪为水工筑建设计提供准确的江河的流速值，随着应用需求的增加，原有的8位单片机控制系统不能完全满足现代水文测量的需要。本文研制了一种旋桨式传感器的智能流速仪，以AT91SAM9261为微处理器，采用CPLD芯片为流速数据采集接口，配以TFT-LCD显示屏，移植uClinux实时操作系统，具有测周、计数、双向测速等多种测量方式，可实现16个通道同步独立检测。系统测量方式灵活，测量时间短，测量精度高，稳定可靠等特点，广泛用于水文检验部门和科研设计院等单位。
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| 关 键 词： | 流速仪 CPLD 嵌入式 旋桨式传感器 |
Research of intelligent flow meter based on embedded microprocessor |
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| Shuang Zhengwen,Ru Chunliang,Lv Xiafu.Research of intelligent flow meter based on embedded microprocessor[J].Electronic Test,2008(12):70-75. |
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| Authors: | Shuang Zhengwen Ru Chunliang Lv Xiafu |
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| Abstract: | Flow meter provide accurate flow of the rivers to hydraulic architectural design.With the increase in demand,the original control system based on the 8-bit microcontrollers can not fully meet the needs of modern hydrographic survey.The paper develops a intelligent flow meter of propeller type flow sensor.The instrument consists of AT91SAM9261 microprocessor and the TFT-LCD and so on.A complex programmable logic device(CPLD)is employed to construct flow sample unit.The instrument has multiple measurement mod... |
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| Keywords: | flow meter CPLD embedded microprocessor propeller type flow sensor |
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