基于数据驱动的高炉冶炼操作参数优化

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1、-------内蒙古科技大学硕士（博士）学位论文distanceisproposed.Onthebasisthatstateparameters,operationalparametersandindicatorsinironmakingprocessaredetermined,consideringthelowspeedofpatternmatchingprocesscausedbyhugeoptimaloperationalpatternslibrary,thisstrategyisusedtocalculatethesimilarityofpatternsand

2、convertittosimilarityvalue,atthesametime,theoptimallibraryareclusteredbyadoptingfuzzyc-meansclusteringmethod.Thuscanreducethetimeofpatternmatchinggreatly.(3)Thestrategyofoperationalpatternevolutionbasedonparticleswarmoptimization(PSO)isproposed.Sincetheblastfurnaceironmakingprocessisver

3、ycomplicated,theoperationalpatternwhichmatchescompletelytoworkstatusmaynotexitinoptimallibrary,itisnecessarytousesimilaroperationalpatternsandPSOalgorithmwithglobalsearchingability.Thenjudgingtheoperationalparameterswhetherthemmeetsstoppingcriteriaaccordingtopredictionmodelofindexes.Itw

4、illstopiterativeupdateuntilmeetstherequirementssoastoobtainoptimaloperationalparameterssuitableforworkingstate.Meantime,theoptimalpatternshouldbeputintooptimalpatternlibrary.Usingabove-mentionedmethodsinthispaper,combinedwiththeactualoperationprocessofblastfurnaceinsomesteelplant,andmas

5、sdatahavebeenusedtoverifytheeffectivenessofthismethod.Theresultsshowthat,itcanprovidedecision-makingguidanceforoperatorsandhasapositiveeffectontheoveralloptimizationofblastfurnaceironmakingprocess.-----------KeyWords：BFironmaking；data-driven；parametersoptimization；multi-hierarchy matchi

6、ng；operationalpatternevolutionIV-----------内蒙古科技大学硕士（博士）学位论文目录摘要.....................................................................................................................................IAbstract.................................................................................

7、.................................................III1绪论........................................................................................................................................11.1模式匹配与演化概述及定义.......................................................................