1、大連理工大學碩士學位論文基于Layers架構模式的熱軋計劃編排系統(tǒng)實現(xiàn)姓名：范圣沖申請學位級別：碩士專業(yè)：控制理論與控制工程指導教師：王偉20081201基于Layers架構模式的熱軋計劃編排系統(tǒng)實現(xiàn)DesignandImplementationofHot—RollingSchedulingSystemBasedonLayersStructurePatternAbstractManufacturingExecutionSystem(ME

2、S)isaninformationmanagementsystemfortheworkshopprodu翻on，whichislocatedbetweentheupperplanmanagementsystemandthelowerprocesscontrolsystemTherealemanyfunctionsinMESofironandsteelenterprises，andtheproductionschedulingisoneo

3、fthemostsignificantpartsTheproductionprocessofmodemsteelenterprisesusuallyhasthefcatumsofmultispecies，multi—standard，lowvolumecontractandalargenumberoforders。Therefore，howtopreparereasonablyrollingproductionplanwillnoton

4、lyaffecttheorderdeliveryintime，butalsohasabiginfluenceonfulfillingtheproductionabilityoftheequipmentandtheproductsquality。TheproductionplanningaccordingtotheexistingorganizationandequipmentisaverykeyissueInpractice，there

5、sultsofproductionplanninginheavyplaterollingmillhaveahugeimpactontheproductioncostsTakingthehotroilingplateproductionprocessofShougangasthebackground，thispaperdividesthewholesystemintoseverallayersusingLayersArchitecture

6、。Theobject—orientedprogrammingideaisusedtodesignalllevelsintheproposedsysteminordertoensurethatalllevelshavebeenlooselycoupledAnd，theutilizationofNETtechnologyensuresthehi曲scalabilityandmaintainabilityofthissoftwaresyste

7、mIntheimplementationoftheschedulingalgorithm，thispaperpresentsaheuristicbasedapproachtosearchtheoptimalsolutionthroughtheprobabilitybasedselection。ThismethodobtainstheresultsofalongaveragelengthandahighhotchargingFurther

8、more，afriendlyhuman—machineinterfaceisimplementedbasedonthelayersarchitecture，whichprovidesacomparison，dragadjustmentandagraphicaldisplaytotheschedulingresultsThisgraphicalinterfaceovercomestheoperatingdifficultiesofthep