开闭环结合的水肥混灌系统  

Water and Fermented Liquid Mixed Irrigation System with Combination of Open and Closed Loop

作　　者：李睿[1] 肖和艾[2] 刘学文[1] 彭新德[3] LI Rui;XIAO He-Ai;LIU Xue-Wen;PENG Xin-De(Hunan Agricultural Information and Engineering Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China;Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China;Hunan Academy of Agricultural Sciences, Changsha 410125, China)

机构地区：[1]湖南省农业科学院湖南省农业信息与工程研究所,长沙410125 [2]中国科学院亚热带农业生态研究所,长沙410125 [3]湖南省农业科学院,长沙410125

出　　处：《计算机系统应用》2018年第6期40-46,共7页Computer Systems & Applications

基　　金：湖南省农业支撑计划(2015NK3045);国家科技支撑计划(2012BAD14B17)

摘　　要：研发了一种开环和闭环结合的水、液肥混灌的自动控制系统,系统基于无线传感网实现.在系统的闭环部分,节点采集各大棚土壤的湿度,并经路由中继后,传递至协调节点,协调节点根据土壤湿度信息,控制自动灌水.在开环部分,系统接收用户指令,获得目标棚、灌溉量、水液肥比例等信息,然后依此混配水和液肥并将其灌溉至目标棚.本系统开环、闭环无缝结合,且开环、闭环部分均可独立工作,另外系统将业务逻辑功能分散到不同节点,实现了分布式控制.系统有效提高了水、肥的利用率,造价低廉,具有较大的推广、应用价值.The automatic control system of water and liquid fertilizer mixed irrigation, combination of open and closed loop, has been developed successfully based on wireless sensor network. In the closed-loop part of the system, the information of each greenhouse soil moisture is collected by end nodes and sended to coordination node after routing relay, the coordinator control water irrigation automatically depended on the information received. In the open-loop part of the system, the user instructions and the information of target tents, irrigation volume, the ratio of biogas liquid and water, etc. are received, then the system intermixes water and liquid fertilizer and conveys mixed liquor to target tents according to the instruction and the information automatically. The closed-loop part and the open-loop part of the system seamlessly integrate, and each part of the system can also work independently, and the system disperse business logic function to different nodes to realize distributed control. In addition to this, the system effectively improves the utilization of water and fertilizer and its cost is low, and has the high promotion and application value.

关 键 词：开闭环结合 水肥混灌 无线传感网 自动控制 

分 类 号：S365[农业科学—作物栽培与耕作技术] TP273[农业科学—农艺学]