面向熱軋的一體化生產(chǎn)計劃方法研究.pdf

1、重慶大學碩士學位論文面向熱軋的一體化生產(chǎn)計劃方法研究姓名：許文林申請學位級別：碩士專業(yè)：材料科學與工程指導教師：鄭忠20090527重慶大學碩十學位論文英文摘要ABSTRCTSteel_m撕ng，ContinuousCasting，HotRollingarethethreeimportalltworkjngproceduresinSteelManufaucturingEnte叩riseWiththela略e—scale0fproduct

2、iontechnolOgy，fiercemarketcompetitiona11ddiVerseofmarketdemand，ente叩risesf砬eslargeordersituationsofmulti—species，lowVolumeandhi曲一qualitycurrentlyandironands白eelente叩risesfollowstheo略anizationpattemofproduceaccordingtosal

3、es，productionpl鋤isalsomadeintheorderofhotrolling—continuouscaSting—steelmakingbaSedOnJustIIlTimeHotrollingisregardedasthelastkeyprocessofironandsteelproduction，thequantityofproductionplannotonlyrelatestosmoothprocessofho

4、trollingbutalsoaf琵ctsthemnningresultsofironaIldsteelproductionprocesses，UnderthismodeofproductionplanningHotrolledstripisthemostimpoIrtaultproductsOfironaIldsteelente印rises，itsyieldismorethaulhalfofallsteelproducts，aIldi

5、tisaIlimportaJltf犯torformeasureacountry。sleVelofdeVelopmentoftheimnandsteelindustⅨSotheproductionplanningofhotrolledstripisresearchedTheproductionplanningofhotrolledstripisacomplexcombinatorialoptiIIlizatiOnproblemofmult

6、i—objective鋤dmulti—constrajntTheinfo加1edresearchf&usonproductioncontractanduseasinglemodeltomakehOtrolledstripproductionplanL0tsofconstraintsshouldbeconsideredsothatthemodelistoocomplexIIlorderteducethecomplexityofthemod

7、el，hotrolledstripproductionplanningwillbebrokendownintotwosubproblemshotrolledstripdailyproductionplanningandhotroUedstripproductionlotplanningFirstly；deteⅡIlinedeliVerytimeofproductioncontractsusingthemodela11dahybridop

8、timzationalgorithmofgeneticalgorithma11dantcolonyoptiInizationalgorit№fordailyproductiOnplanning，andthendrawupdajIyproductionplantmsmodel’sta略etisrIlinirnizingthepunishmentValueofeadinesS／tardinessdeliveryandisrestrajned

9、byunitc印acitiesetc，atthes鋤etime，thehybridoptilIlizationaLlgorithmofgeneticalgorithmandantcolonyoptimizationaJgorithmsisusedtosolvethismodel，theselfo曙aIlizingeVolutionaryfunctionof鋤tcolonyoptiIIlizationalgorithmisusedtoim

10、proVethewe出lessesthatGAunderutilizedtheinfomationontheevolutiOnp眥essSecondlyworkouthotrolledstriplotproductionplaIlusingthemodelaJldaIlimproVedantcolonyalgorithmfbrlotproductionplanningTllismOdelisrestrainedbyunitcapacit