最小二乘优化方法在板坯二冷配水中的应用白居冰1，钱亮1，谢长川2,刘伟涛1，陈志凌1（1．中冶连铸北京冶金技术研究院，北京　100081，2．北京科技大学)　摘要：以导热模型为基础采用传热反问题计算方法，根据目标温度进行二冷静态配水。将传热反问题计算中引出的敏感系数用于二冷水动态调节，动态配水中采用了坯龄模型和在线优化控制。本文介绍二冷配水的数学模型和关键技术。关键词：传热反问题,　连续铸造，二冷配水ApplicationofLeastSquareMethodforSecondCoolingControlinProcessingofContinuousCastingofSteelSlabsBaiJu-bing1,QianLiang1,XieChangchuan2,LiuWei-tao1,ChenZhi-ling1(1.BeijingMetallurgicalTechnologyInstituteofCCTECEngineeringCo.,Ltd,Beijing100081)（2.UniversityofScienceandTechnologyBeijing)Abstract:A2-Dmodelfortheinverseheatconductionproblemisintroducedtooptimizethesecondcoolingwaterrate.Thesensitivitycoefficientscalculatedintheinverseanalysisisthenusedforthedynamiccoolingcontrol.Thispaperisdedicatedtothenumericalmodelandthekeypointsinthepracticeofdynamiccoolingcontrol,thestrand-agemodelandtheideaofin-linecontr..