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1、第23卷第5期云南農(nóng)業(yè)大學(xué)學(xué)報(bào)Vol123No152008年9月JournalofYunnanAgriculturalUniversitySep.20083基于虛擬儀器的溫室環(huán)境監(jiān)控系統(tǒng)的總體架構(gòu)方案123時(shí)玲,任玉燦,王步飛(1.云南農(nóng)業(yè)大學(xué)工程技術(shù)學(xué)院,云南昆明650201;2.河北建筑工程學(xué)院機(jī)械系,河北張家口075024;3.張家口市高新區(qū)新區(qū)中學(xué),河北張家口075100)摘要:隨著計(jì)算機(jī)的發(fā)展與普及,溫室環(huán)境控制自動(dòng)化程度也有了較大的提高。運(yùn)用一定的工程措施,來改善作物生長的環(huán)境條件,創(chuàng)造出適合作物生長的微氣候條件,并將現(xiàn)代
2、計(jì)算機(jī)技術(shù)引入農(nóng)業(yè)溫室,實(shí)現(xiàn)農(nóng)業(yè)溫室的自動(dòng)控制。結(jié)合我國現(xiàn)階段溫室發(fā)展的主要特點(diǎn)及溫室內(nèi)環(huán)境因子對(duì)作物產(chǎn)量和品質(zhì)的重要性,以計(jì)算機(jī)、數(shù)據(jù)采集卡、傳感器等作為硬件基礎(chǔ),LabWindows/CVI為軟件基礎(chǔ),研究設(shè)計(jì)了“基于虛擬儀器的溫室環(huán)境因子監(jiān)控系統(tǒng)”的總體架構(gòu)。該方案將虛擬儀器應(yīng)用到溫室環(huán)境因子的檢測(cè),以軟件為核心,具有強(qiáng)大的數(shù)據(jù)存儲(chǔ)和分析處理能力,并可提高分析精度;良好的虛擬儀器軟面板增強(qiáng)了與外界的交互性;系統(tǒng)易于擴(kuò)展,可靈活滿足用戶的測(cè)試要求。關(guān)鍵詞:溫室;環(huán)境因子;虛擬儀器中圖分類號(hào):S126;S316文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào)
3、:1004-390X(2008)05-0673-05OverallConstructionontheEnvironmentalMonitorandControlSystemofGreenhouseBasedonVirtualInstrument123SHILing,RENYu2can,WANGBu2fei(1.FacultyofEngineeringandTechnology,YunnanAgriculturalUniversity,Kunming650201,China;2.DepartmentofMechanicalEnginee
4、ring,CollegeofHebeiConstructionEngineering,Zhangjiakou075024,China;3.XinquMiddleShool,Zhangjiakou075100,China)Abstract:Withthedevelopmentandthepopularizationofcomputer,theautomaticlevelofthegreen2houseenvironmentcontrolhasbeenlargelyenhanced.Utilizingthecertainprojectme
5、asurescanimprovetheenvironmentalconditionsofcropgrowthandcreatetheadaptivemicro2climaticconditionsforcropgrowth.Themoderncomputertechnologywasintroducedtorealizetheautomaticcontrolofagriculturalgreenhouse.Inthisarticle,accordingtothemaindevelopmentalcharacteristicsofthe
6、presentdaygreen2houseandtheimportanceofenvironmentalfactorsofgreenhousetocropyieldandquality,theoverallconstructionof“greenhouseenvironmentfactorsupervisorysystembasedonthevirtualinstrument”wasdesignedwiththehardwarefoundationofthecomputer,thedataacquisitioncard,thesens
7、orandsoonandthesoftwarefoundationofLabWindows/CVI.Inthissystem,virtualinstrumentwasappliedtomoni2tortheenvironmentfactorsofthegreenhouse.Thesoftware,whichnotonlyhadstrongabilitiesofdatastorageanddataanalysis,butalsocouldimprovetheanalysisprecision,wasthecoreofthesystem.
8、Theinteractionbetweenthesystemandoutsidecouldbestrengthenedbythepanelofvirtualinstrumentandthesystemwaseasytob
