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1、本科畢業(yè)設(shè)計(jì)(論文)基于KingView的DCS實(shí)驗(yàn)系統(tǒng)設(shè)計(jì)與實(shí)現(xiàn)摘要本課題主要研究了集散控制實(shí)驗(yàn)系統(tǒng)的構(gòu)建,闡述了集散控制系統(tǒng)在工業(yè)方面的廣泛性以及對(duì)自動(dòng)化專業(yè)學(xué)生相關(guān)的能力需求。設(shè)計(jì)了集散控制實(shí)驗(yàn)系統(tǒng)的體系結(jié)構(gòu),把握集散控制系統(tǒng)的集中管理和分散控制的本質(zhì),設(shè)計(jì)基于PC機(jī)的廣義形式的集散控制系統(tǒng),作為集散控制系統(tǒng)的實(shí)驗(yàn)室設(shè)備。在集散控制系統(tǒng)硬件方面,選擇了控制器、執(zhí)行器、傳感器、PLC、智能儀表等元件,實(shí)現(xiàn)了上位機(jī)和下位機(jī)的通訊并完成了硬件電路設(shè)計(jì),用智能儀表控制電加熱常壓鍋爐水溫,S7-200PLC控制水箱液位,亞當(dāng)模塊檢測(cè)管道水流量,實(shí)現(xiàn)三個(gè)現(xiàn)場(chǎng)控制站同時(shí)工作,上位機(jī)進(jìn)行監(jiān)控。并完成了
2、下位機(jī)PID程序及狀態(tài)設(shè)置,在上位機(jī)監(jiān)控方面使用了組態(tài)王軟件,設(shè)計(jì)了組態(tài)界面和動(dòng)畫連接。實(shí)驗(yàn)結(jié)果表明,該系統(tǒng)下位機(jī)能夠較好的完成水箱液位、溫度的PID控制以及流量檢測(cè),上位機(jī)工藝流程顯示直觀,人機(jī)界面友好,對(duì)于相關(guān)的應(yīng)用能力培訓(xùn)具有一定的價(jià)值。關(guān)鍵字:集散控制組態(tài)王實(shí)驗(yàn)系統(tǒng)TheDesignandImplementationofDCSExperimentalSystemBasedonKingViewAbstractThispaperisaneffortinresearchoftheconstructionofdistributedcontrolexperimentalsystem,expou
3、ndthewideapplicationofdistributedcontrolsystemandtherelevantrequirementsofundergraduatesinautomation.Designingtouchesuponstructureofdistributedcontrolsystem,bystickingtothenatureofthecentralizedmanagementanddistributedcontrol,theauthordesignsthecentralizedanddistributedcontrolsystembasedonthebroadf
4、ormofPC,whichmakescontributiontoexperimentalequipment.Asforthecentralizedcontrolhardware,itchoosescontroller,executerandtransistoretc,toachievecommunicationwithhostcomputerandslavecomputersalsoaccomplishhardwaredesign,controlofintelligentinstrumentoverwatertemperatureunderthenormalpressureintheelec
5、tricity-propelledboiler,controlofS7-200PLCoverwaterlevelinthetanksandmeasurementofwaterflowinchannelsbyADAMdetectionmodule.Throughthiseffort,thethreework-sitecontrolstationscanbeprovedtofunctionsimultaneouslyandatthesametimemonitoredbyhostcomputer,completionofthePIDprogrammingofslavecomputersandits
6、statesetting.AndKingviewsoftwareisappliedtothemonitorandcontrolofPCtocreatetheinterfaceandmotiveconnection.TheexperimentshowsthatPIDcanwellcontrolthewaterlevel,temperatureandflowdetection.Andhostcomputeralsoshowsthatthesystemhasaclearcraftprocessandafriendly.Itplaysanimportantroleintherelevanttrain
7、ings.KeyWords:DCS;KingView;Experimentalsystem目錄第一章緒論11.1論文研究背景和意義11.2集散控制系統(tǒng)概述11.3論文完成的工作2第二章DCS實(shí)驗(yàn)系統(tǒng)的硬件設(shè)計(jì)42.1硬件設(shè)計(jì)概述42.2DCS實(shí)驗(yàn)系統(tǒng)的元件選擇42.2.1上位機(jī)的選擇42.2.2下位機(jī)的選擇42.2.3傳感器的選擇52.2.4執(zhí)行器的選擇62.3實(shí)驗(yàn)系統(tǒng)的硬件電路設(shè)計(jì)72.3.1上位機(jī)和下位機(jī)