资源描述:
《外文翻译-基于matlabddesimulink力控的液位控制系统本科学位论文.doc》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、外文翻译TheliquidlevelcontrolsystembasedonddematlabsimulinkProcesscontrolisanimportantapplicationfieldofautomatictechnology,itistopointtothelevel,temperature,flowcontrolprocessvariables,suchasinmetallurgy,machinery,chemical,electricpower,etccanbewidelyused.Esp
2、eciallyliquidlevelcontroltechnologyinreallife,playedanimportantroleinproduction,forexample,thewatersupply,civilwatertoweriflowwaterlevels,canaffectpeople'slivesinwater;Industrialenterpriseswithwater,ifthedrainagewaterdrainageorcontrolledproperlyornot,inrelat
3、iontotheworkshopofcondition;Boilerdrum,ifthecontrollevelboileristoolow,canmakelevelboileroverheating,possibleaccident;Jingflow,liquidlevelcontroltowercontrolaccuracyandlevelofthecraftcaninfluencethequalityoftheproductsandthecost,etc.Intheseproductionfield,ar
4、ebasicallylaborstrengthortheoperationhascertainrisknatureofwork,extremelypronetoaccidentscausedbyoperatingerror,thelosses,killingmanufacturer.Visible,inactualproduction,liquidlevelcontrolaccuracyandcontroleffectsdirectlyaffectthefactoryproductioncostandecono
5、micbenefitofsafetycoefficient.EvenequipmentSo,inordertoensuresafety,convenientoperation,youhavetoresearchthedevelopmentofadvancedlevelcontrolmethodsandstrategies.Thegraduationdesigntopicistheliquidlevelcontrolsystembasedonddematlabsimulinkforcecontrol,Amo
6、ngthemwascontrolledobjectfortanklevel,CommunicationmodeforDDEcommunications,Matlabismainlyusedinthesimulationtest,Andforcecontrolsoftwareusedformodeling,Thissystemmainlythroughcombinationofhardwareandsoftwaredevicetoachieveprecisecontrolofliquidlevel,Inmoder
7、nindustrylevelcontrolofimportantcomponent,itinfluenceuponproductionnotallowtoignore,inordertoensuresafetyinproductionandtheproductqualityandquantity,thelevelandperformeffectivecontrolisverynecessary,Thefollowingisadescriptionofallaspects:一PIDcontrollerApropo
8、rtional–integral–derivativecontroller(PIDcontroller)isageneric.controlloopfeedbackmechanismwidelyusedinindustrialcontrolsystems.APIDcontrollerattemptstocorrecttheerrorbetweenameasuredprocessvari