基于自適應(yīng)混合模型的萃取過程軟測量研究與應(yīng)用.pdf

1、東北大學(xué)碩士學(xué)位論文基于自適應(yīng)混合模型的萃取過程軟測量研究與應(yīng)用姓名：趙露平申請學(xué)位級別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：王福利20090601ResearchandApplicationofExtractionProcessSoftsensorBasedonanAdaptiveHybridModelAbstractWitharesearchcontentofnational‘863’program‘theeleventhfive

2、’plan，thisthesisusessoftsensortechnologytoachievecomponentcontentdetectiontosolvethedimcultyofonlinecomponentcontentdetectionofCohydrometallurgyextractionprocessAsoneofthetwoextractivemetallurgies，hydrometallurgydevelops

3、fastrecentlyItCanefficientlyresolvetheproblemofthecomprehensiveutilizationofresourcesandavoidanceofenvironmentpollutionHydrometallurgycorporationswithadsorptionandextractionCanhi曲lyincreaseproductivitybyproductionmodemiz

4、ationExtractionprocessisanimportantprocessinhydrometallurgyTherearemanytechnologicalparameterscontrolledinextractionprocess，SOitisnecessarytodetectcomponentcontentinseparationprocessforguaranteeoftheproductpurityAsaneffe

5、ctivewaytesolveonlinepredictionofvariableswhichCan’tbemeasuredbyhardwareinmodemcomplexindustryprocess，soft—sensortechnologyhasbecomeanewapproachforonlinecomponentcontentdetectioninextractionproductprocessThisthesisintrod

6、ucesthedevelopmentofCohydrometallurgyprocessanditsmaintechnologicalprocessfirstlyAlsothebasicprinciplesandstepsarestudiedOnthebasisofdevelopmentandconceptofextractionprocess，principlesandtechnologicalprocessinCohydrometa

7、llurgyextractionprocessarethoroughlyanalyzedAccordingtotherelationshipofextractionbalanceandmaterialbalance，thefractionalextractionmechanismmodelisbuilt，then，underareasonableassumptionofextractionbalance，thesimplifiedmec

8、hanismmodelofCohydrometallurgyextractionprocessisfinallyofthemechanismmodelproposed，whichsimplifiesthecalculationFurthermore，anadaptivehybridmodelbasedonthemechanismmodelofCohydrometallurgyextractionprocessisputforward，w

9、hichismadeupofsimplifiedmechanismmodelerrorcompensationmodelaswellasonlinemodelcorrectionlinkBlock—wiserecursivepartialleastsquare(BlockwiseRPLS)modelisusedtocompensateerrorofthemechanismmodel，andmeanwhileitcallresolveth

10、eslowtimevaryingproblemofextractionprocessMoreoveronlineapplicationofmovingwindowsandforgettingfactorisstudieddeeplyAtlast，onekindofonlinemodelcorrectionmethodissuggestedWithonlinecorrectionlink，theprecisionofhybridmodel