目前,温室盆栽作物迅速发展,在国际上已经形成一项重要的产业。为了满足国内外温室盆栽作物灌溉的需求,设计了一种基于可编逻辑控制器(PLC)为控制器的灌溉装置。以西门子S7-200 CPU 224xp CN PLC为核心,利用PLC内部模拟数据采集电路、...目前,温室盆栽作物迅速发展,在国际上已经形成一项重要的产业。为了满足国内外温室盆栽作物灌溉的需求,设计了一种基于可编逻辑控制器(PLC)为控制器的灌溉装置。以西门子S7-200 CPU 224xp CN PLC为核心,利用PLC内部模拟数据采集电路、压力传感器测量出盆栽作物的质量;用条形码读码器读取盆栽作物的信息,能够让管理人员实时了解盆栽作物的生长状况。在上位机建立数据库,通过C#语言编写上位机控制界面,能够实时显示盆栽作物灌溉量和条形码信息。此装置提高了灌溉的精度和温室栽培作物的自动化程度。展开更多
Data fusion can effectively process multi-sensor information to obtain more accurate and reliable results than a single sensor.The data of water quality in the environment comes from different sensors,thus the data mu...Data fusion can effectively process multi-sensor information to obtain more accurate and reliable results than a single sensor.The data of water quality in the environment comes from different sensors,thus the data must be fused.In our research,self-adaptive weighted data fusion method is used to respectively integrate the data from the PH value,temperature,oxygen dissolved and NH3 concentration of water quality environment.Based on the fusion,the Grubbs method is used to detect the abnormal data so as to provide data support for estimation,prediction and early warning of the water quality.展开更多
文摘目前,温室盆栽作物迅速发展,在国际上已经形成一项重要的产业。为了满足国内外温室盆栽作物灌溉的需求,设计了一种基于可编逻辑控制器(PLC)为控制器的灌溉装置。以西门子S7-200 CPU 224xp CN PLC为核心,利用PLC内部模拟数据采集电路、压力传感器测量出盆栽作物的质量;用条形码读码器读取盆栽作物的信息,能够让管理人员实时了解盆栽作物的生长状况。在上位机建立数据库,通过C#语言编写上位机控制界面,能够实时显示盆栽作物灌溉量和条形码信息。此装置提高了灌溉的精度和温室栽培作物的自动化程度。
基金This study was supported by National Key Research and Development Project(Project No.2017YFD0301506)National Social Science Foundation(Project No.71774052)+1 种基金Hunan Education Department Scientific Research Project(Project No.17K04417A092).
文摘Data fusion can effectively process multi-sensor information to obtain more accurate and reliable results than a single sensor.The data of water quality in the environment comes from different sensors,thus the data must be fused.In our research,self-adaptive weighted data fusion method is used to respectively integrate the data from the PH value,temperature,oxygen dissolved and NH3 concentration of water quality environment.Based on the fusion,the Grubbs method is used to detect the abnormal data so as to provide data support for estimation,prediction and early warning of the water quality.
