热送热装生产计划优化方法研究

369Vol.36,No,920019IRONANDSTEELSeptember2001()(()),,STUDYONOPTIMIZATIONMETHODOFHCRMANUFACTUREPLANLUZhiminLIUWenzhongXUJinwu(UniversityofScienceandTechnologyBeijing)HUXingZHANGHanxinZHUZhirongWANGDecheng(WuhanIronandSteel(Group)Co.)ABSTRACTTherestrictiveconditionsforHCR(HotChargeRolling)manufactureplanareintroducedinthispaperfirst1Accordingtotheserestrictiveconditions,anoptimizationmethodofHCRmanufactureplanisproposedtoimprovedtheHCRrate1TheGAhasbeenadoptedtooptimizetheHCRmanufactureplan,andthesimulationresultsaregiveninthispaper1ThesimulationsshowthatthismethodcanfindoutthefeasibleHCRmanufactureplansquickly1KEYWORDSHCR,manufactureplan,optimizationmethod,geneticalgorithms1,,,,,,,,[4],,[13]2,,211,,:,78t,7,:,,(100083)22,4,;,250t,,12h,2122,472133000t,1500t(),(),,,214,,270000t,25003500,,100t,,,,,,,3,,+,1,3,,[5]311,1Fig11Basicflowofgeneticalgorithms,312,,313:;,4,,,:()411,412(),,,2736,,,,,78tn,n,,,413,,,(1)N(2),,,,,,,,:maxf(T)=Q-6mi=1g(T)Q,m(),g(T)g(T):g(T)=6kij=1(a(x)+b(y)+c(z))+d(t)ki;a(x);b(y);c(z);d(t)()(3),,(4),,,():2643815107985110762439:5143762108972610815439414,,5,20005,2576(1074,147750t,1502,89351t),,,F60,29878t1Table1ThedetailofarollingunitintheoptimizationresultömmömmötQ1951530510390Q235A1440415750Q1951230410468Q1951120310390:60,50,015,0107,2000PË700MHz,6s,85%90%,,1215,,,379:51()6,,,1,,,11,1998,33(12):717412,11,1998(5):212613,,,11,1998(7):21241411,1991(2):1715,,,11:,199612000MAJORINDEXESOFCHINASCONTINUOUSCASTINGPRODUCTIONOFKEYENTERPRISISESIN2000ö%ö%ö%ö%9915698120871206219499129981218814458199991769719510010067178991389418010010079133991639714599199531819914997190100100611959912397113711237214899139981223419770183991599810680167781659918698142711056319299167981167510371132981849616493156621889917097198100100711689919799153671354315999155971868911963195991799812110010060101991809817050164901949918098158100100541109916397184100100581332000MAJORINDEXESOFCHINASHOTROLLINGMILLSOFKEYENTERPRISESIN2000ö%ö%ökgt-1ö%991169218211862176981809319110645167981819516815154168991038517606816199151941671157614199107951940811289915989174198691319916285172063144991179012606319798155911931095316299130811382521317099131921390741029819792114057123991859317206719899131911691121271539913391167908317899138921301647312998181851071446019598112771925274715999176831070371079912588150117661449918983154614591184736