球磨机制粉系统软测量及控制策略的应用研究

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1、东南大学博士学位论文球磨机制粉系统软测量及控制策略的应用研究姓名：明学星申请学位级别：博士专业：测试计量技术及仪器指导教师：吕震中;王式民20080901ABSTRACTABSTRACTAballmillpulverizingsystemisbroadlyusedtoproducenormativecoalgranuleinmanycoal-firedpowerplants．Itconsumesmuchelectricenergy,abouttwenty—fivepercentsofthewholeelectricenergycon

2、sumptionofelectricpowerplant．Withtheprogressofelectricpowermarketingreform,itisnecessarytocutdownitsconsumptionandfacilitateitsoperationoptimizationbyreasonablepromotions．Thedissertationmainlystudieditssoft—sensoroffilling-uplevel、conditionmonitoringandoptimization．Thi

3、sdissertationaimstosuggestanewmethodandidealforrealizeaballmillpulverizingsystem’Ssoft—sensoroffilling—uplevel、conditionmonitoringandcontrol&optimization．basedonthestudyandresearchontherelatedArtificialIntelligencetechnologies．Themaincontentsofthisdissertationareasfoll

4、ows：l、Discussestheapplicationoftheballmillpulverizingsystemsintheindustryandlaythefoundationforfollowingstudyandresearchworkbasedontheanalysisofeachsoft—sensororcontrolstrategyshortage．2、ProvidesaModifiedParticleSwarmOptimization(MPSO)basedonOptimum—SelectingbyProbabil

5、ityandExplosiveSearchingstrategytoovercomethedrawbackofprematureconvergenceofStandardParticleSwarmOptimization(PSO)especiallywhensolvinghigh—dimensionfunctions．ThefinaltestresultsshowthattheMPSOcallnotonlygreatlyspeeduptheconvergencebutalsosignificantlysolvetheprematur

6、econvergenceofPS0．3、ToovercomethedrawbackofprematureconvergenceandlowconvergencespeedofWNN’StrainingbasedonBP,thisdissertationintroducesPSointoitstrainingandthetestfunctionillustratesthemodificationperformance．Atthesametimethisdissertationbringsforwardthetheoryofanti-e

7、rrorWNNandgivesadesignalgorithm．4、Theknowledgeofchaostimeseriesisimportedtothestudyoftheballmillpulverizingsystems：accordingtotimeseriesofpressuredifference，thechaostheoryisusedtotakephasespacerebuildingforanalyzingthevariablelawoftime-seriesassociateddimension、imbedde

8、dphasespecialorbitandtheK2entropy．Then，thechaoscharacteristicofaballmillpulverizingsystemisjudged．5、StudytheClusterin