基于LabVIEW的土壤温湿度实时监测系统设计
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摘要
在农田灌溉中土壤的温度和湿度是影响农作物生长发育的关键参数,因此获取土壤温湿度信息以制定人工干预调节措施是稳固生产的重要保证,也是实现智能灌溉的前提。以AT89S52单片机为主控芯片,结合温湿度传感器和计算机,搭建了一套农田土壤温湿度监测硬件平台;以美国国家仪器公司的LabVIEW为软件开发平台,设计并编写了基于状态机程序架构的上位机软件,实现了友好的用户交互界面,完成了对土壤温度、湿度的实时测量、显示与记录等功能,并利用前面板网络发布功能实现了实时监测系统的局域网远程控制。经测试,本系统工作可靠、测量精度高、结构简单、运行稳定、易于调试和扩展,可以准确而且高精度地测量出土壤的温湿度。
The temperature and humidity of soil are the key parameters affecting the growth and development of crops, soil temperature affects the growth and development of plants and soil.The formation of various biochemical processes in soil, such as the biochemical and inanimate chemical processes caused by microbial activities, is affected by soil temperature.Soil moisture is also a basic condition for crop growth and development and an important parameter for crop yield prediction. Therefore, we should get information on soil temperature and humidity to formulate manual intervention measures.Application is an important guarantee for stable production. In this paper, AT89 S52 microcontroller as the main control chip, combined with temperature and humidity sensors and computers, built a set of farmland soil temperature and humidity monitoring hardware platform;LabVIEW, a software development platform of National Instrument Corporation of America, designs and compiles the host computer software based on the state machine program framework, which realizes friendly users.Interactive interface, complete the real-time measurement of soil temperature and humidity, display and record functions, batch data storage and management, using statistics.Data analysis, data query results draw statistical histogram, generate reports. By using the function of the front panel network release, the local area of the real-time monitoring system is realized network remote control. Tests show that the system works reliably, has high measurement accuracy, simple structure, stable operation, easy to debug and expand, and can accurately and accurately measure soil temperature and humidity.
The temperature and humidity of soil are the key parameters affecting the growth and development of crops, soil temperature affects the growth and development of plants and soil.The formation of various biochemical processes in soil, such as the biochemical and inanimate chemical processes caused by microbial activities, is affected by soil temperature.Soil moisture is also a basic condition for crop growth and development and an important parameter for crop yield prediction. Therefore, we should get information on soil temperature and humidity to formulate manual intervention measures.Application is an important guarantee for stable production. In this paper, AT89 S52 microcontroller as the main control chip, combined with temperature and humidity sensors and computers, built a set of farmland soil temperature and humidity monitoring hardware platform;LabVIEW, a software development platform of National Instrument Corporation of America, designs and compiles the host computer software based on the state machine program framework, which realizes friendly users.Interactive interface, complete the real-time measurement of soil temperature and humidity, display and record functions, batch data storage and management, using statistics.Data analysis, data query results draw statistical histogram, generate reports. By using the function of the front panel network release, the local area of the real-time monitoring system is realized network remote control. Tests show that the system works reliably, has high measurement accuracy, simple structure, stable operation, easy to debug and expand, and can accurately and accurately measure soil temperature and humidity.
引文
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[18] 杨忠仁.基于LabVIEW的数据采集系统[J].电子测量技术,2016,33(3):17-20.
[2] ZHANG Q X,J TILT J K.Application of fuzzy logic in an irrigation control system[C]. Proceedings of The IEEE International Conference on Industrial Technology, 1996.
[3] 苏远锋.智能化温室自动控制系统设计研究[J]. 企业技术开发,2015, 34(26):26-28.
[4] 于永会,唐军.基于单片机的温湿度采集系统[J].现代机械,2013,(3):41-43.
[5] 李朝晖,余英林.一种视频文本自动定位、跟踪和识别的方法[J].中国图象图形学报.2005,4,10(4):457-462,399.
[6] 杨乐平.LabVIEW程序设计与应用[M].北京:电子工业出版社,2005.
[7] 刘君华.基于LabVIEW的虚拟仪器设计[M].北京:电子工业出版社,2003:71-78.
[8] 朱虹.数字图像处理基础[M].北京:科学出版社,2005:86-92.
[9] 迪克斯. 蔡利栋译.人机交互[M].第3版.北京:电子工业出版社,2006.
[10] 张瑞娟.基于视频图像的运动目标检测与跟踪算法研究[M].大连:大连理工大学出版社,2009.
[11] 李智勇.智能交通控制理论及其应用[M].北京:科学出版社,2003.
[12] 吴晓艳.基于单片机的大棚温湿度远程监控系统设计[J].自动化与仪器仪表,2015(7): 14-15,17.
[13] 陶佰睿,衡文丽.基于单片机的温室大棚LED 智能补光系统设计[J].西北大学学报,2016,37(10):181-184.
[14] 李洪波.基于单片机的蔬菜大棚智能控制系统设计[J].科技风,2016(1):21.
[15] 刘军,薛蓉,王得发.基于小波变换的电力变压器继电保护研究[J].电子测量技术,2016(1):22-26.
[16] 高爱华.基于单片机和 MCGS 的温室监控系统[J].数字技术与应用,2016(1):16-19.
[17] 黎运宇,孔德荣.基于单片机 AT89S52 的蔬菜塑料大棚恒温控制系统[J].广西民族师范学院学报,2016,33(3):17-19.
[18] 杨忠仁.基于LabVIEW的数据采集系统[J].电子测量技术,2016,33(3):17-20.
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