基于LABVIEW的湿度测量仪设计

范文编号:CK112   范文字数:12835,页数:37

摘  要
 本文的主题是“基于LabVIEW技术湿度测量仪的设计，主要阐述了湿度虚拟测量的设计过程和测试。此测试系统所用的是NI公司的USB-6009采集卡，是基于LabVIEW8.5 平台编程设计的。它具备如下功能：湿度检测、标准输出、建立湿度与时间关系曲线、湿度监测报警（可调上下限）以及信号输出、数据储存。文章对上述的功能模块进行了逐一分析，并进行了整个测试系统的程序调试与研究。本测试系统对环境温湿度无要求。
 关键词：  湿度传感器；NI数据采集卡；LabVIEW语言；湿度测量
 
 Abstract
 In this paper, the theme is " The Design of Virtual Humidity Instrument By LabVIEW".It mainly describes in high temperature the humidity virtual meauring syetem design process and testing. This meauring system is used in the company's  USB-6009 NI data acquisition card. It is a programming design wich is based on the LabVIEW8.5 express platform. It is equipped with the following features : humidity corresponding detection,standard output,the establishment of humidity and time cure,humidity monitoring and alarm(adjustable minimum and maximum levels)and signal output,data storage. In this paper the functions of each module above and the entire test system for program debugging and research is analysed. The test system of environmental temperature and humidity did not ask for.
KEYWORDS： Humidity sensor;NI data acquisition card;LabVIEW language;Humidity measurement

 目  录
 摘要 II
 1绪论………………………………………………………………………………….1
选题的背景及意义…………………………………………………………………….1
湿度传感器简介……………………………………………………………………….1
湿度传感器的特性………………………………………………………….2
HTG3515CH线性电压湿度模块…………………………………………..3
虚拟仪器与LABVIEW介绍………………………………………………………….5
 2 测试系统的硬件部分简述…………………………………………………………………….10
系统总体构成………………………………………………………………………....10
硬件模块设计………………………………………………………………………....11
 3 测试系统的软件设计………………………………………………………………………….12
软件设计的总体思路与结构…………………………………………………………12
各功能模块的程序设计………………………………………………………………13
初始化模块………………………………………………………………...13
湿度采集模块……………………………………………………………...14
程序自检模块…………………………………………………………………………17
储存模块………………………………………………………………………………18
时间显示………………………………………………………………………………19
完整程序………………………………………………………………………………20
 4测试系统的调试………………………………………………………………………………..23
硬件的安装调试………………………………………………………………………23
软件的调试……………………………………………………………………………23
数据采集卡的任务配置…………………………………………………...23
开始程序……………………………………………………………………25
任务的选取……………………………………………………………………………25
程序的调试……………………………………………………………………………26
程序的改进……………………………………………………………………………28
 5 总结…………………………………………………………………………………………….29
 致谢……………………………………………………………………………………………….30
 参考文献………………………………………………………………………………………….31
 附录……………………………………………………………………………………………….32

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