轧制变形抗力数学模型的发展与研究动态.pdf

2009 12 Dec. 2009 37 6 Research on Iron Steel Vol.37 No. 6 59 1 1 2 李 英 , 刘建雄 ,柯晓涛 ( 1. , 650093; 2. , 617000) : , , , : ; ; : TG301 :A : 2009 Development and research of def ormation resistance model in hot rolling process 1 1 2 LI Ying ,LIU Jianxiong , KE iaotao ( 1.Mould and New T echnology Research Institute,Kunming University of Science and T echnology, Kunming 650093,China; 2.Panzhihua Iron Steel Research Institute,Panzhihua 617000,China) Abstract: It is of great significance to establish a mathematical model of deformation re sistance in predicting flow stress and controlling production lineby computer.T his paper systematically introduces the development and research of flow stress model both home and abroad in terms of traditional analytic method and artificial neural network.In addi tion ,some suggestions to solve the problems of modeling are also presented. Key words: deformation resistance; mathematical model; artificial neural network ,M.A.Baukob , , T , : = A exp (- bT ) ( ) a ( ) c ,,20 40 ,A a bc , , 20 40 , , , 20 60 , , , ,1 ,, , , , ,