生产工况切换下步进梁加热炉炉温在线动态优化方法分析

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1、万方数据东北大学硕士学位论文AbsttactResearchonOn-lineDynamicOptimizationMethodsofFurnaceTemperatureinWalkingBeamReheatingFurnacewithOperatingMode’SSwitchAbstractReheatingfurnaceistheimportanteqmpmeminthesteelrollingproductionprocess．Theproductionofthereheatingfurnaceisapro

2、cessoftheriseofthebillettemperature，whichcanbedescribedbythenonlinearpartialdifferentialequationofheatconduction．Themainpurposeofreheatingfurnaceproductionistomaketheslabtemperaturedistributionmeet、Ⅳimtherequirementsoftherollingprocess，andachievethefeweststoc

3、kscalelossandenergyconsumption，accordinglytoimproveproductqualityandreduceproductioncosts．Fromtheviewoftheglobaloptimizationinproductionprocess，theoptimizationmethodsofthereheatingfurnacetemperaturearetogiveaoptimizationtemperatureofthedifferentpartinreheatin

4、g缸macesatisfyingtheconstrainsinreheatingfurnaceproductionprocess．Theinitialtemperatureofthebillets，thetypesandspecificationsofthesteels，rollingrhythmproductionconditionsareoftenchangedduringthereheatingfurnaceproductionprocess，whichmakestheproductprocessexist

5、ingstronguncertaintyanddynamiccharacteristic．Inthiscase，wemustadjustthereheatingfurnacetemperaturetomakethebilletstemperaturedistributionmeet、Ⅳitlltherequirementsoftherollingprocessandimproveproductquality,reduceenergyconsumption．Theexistingliteraturegenerall

6、ydiscussabouttheproblemoftheoptimizationandcontrolofthereheatingfurnaceunderthespecialoperatingmodewhiletheresearchonthedynamicoptimizationmethodsoffurnacetemperatureinreheatingfurnacewi协operatingmode’Sswitchisless．Howeverthesettingvalueofthefurnacetemperatur

7、eisbasedontheartificialexperienceattheproductionsite，whichisdifficulttomakethecontrolsystemachievetheoptimaladjustmentandresultintheproblemoftheproductionefficiencyandproductquality．Aimingattheproblemsoftheon-linedynamicoptimizationoffurnacetemperatureinrehea

8、tingfurnacewithoperatingmode’Sswitch，thispapergivessomeresearchachievements：Firstly,thispaperanalyzesanddescribestheproductionprocessofthereheatingfurnace，．V一万方数据东北大学硕士学位论文Abstractpropose