农田水势软测量网络中的FWP软测量站  

Soft-sensing station in farmland water potential soft-sensing network

作　　者：卢胜利[1] 韩磊[1] 田立国[1] 陈瑞武[1] 高庆云[1] 

机构地区：[1]天津职业技术师范大学自动化与电气工程学院,天津300222

出　　处：《天津工程师范学院学报》2010年第4期1-5,共5页Journal of Tianji University of Technology and Education

基　　金：国家自然科学基金资助项目(60772167);天津职业技术师范大学科研项目(KJ200602)

摘　　要：依据农田水势(FWP)软测量网络对FWP软测量站的功能要求,以S3C2440处理器为核心构建了FWP软测量站的硬件平台,通过移植嵌入式Linux操作系统内核搭建了软件平台;基于无线数据传输模块NRF2401,配置了无线通信接口,并编写了符合无线通信协议的数据传输驱动程序,实现了FWP软测量站中高速处理器S3C2440与现场采集节点中单片机ATmega128L之间的"点对点"无线数据传输。实验结果表明,FWP软测量站能可靠接收微环境信息采集节点数据并实现农田水势值的实时估计。Based on the functional requirement of farmland water potential（FWP） soft-sensing station,the FWP soft-sensing station hardware platform takes the S3C2440 processor as the core and its software platform is put up by transplanting embedded Linux operating system kernel.Furthermore,wireless communication interface is configured based on wireless data transmission module NRF2401 and the data transmission driver program is compiled to accord with wireless communication protocol and realize the node-to-node wireless data transmission between the high speed processor S3C2440 in FWP soft-sensing station and MCU ATmegaL128 of data acquisition node in field.The experimental results indicate that FWP soft-sensing station can unfailingly receive the micro-environmental information from each node and achieve real-time estimation of farmland water potential value.

关 键 词：农田水势 软测量 嵌入式系统 传感器网络 无线数据传输 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]