On this basis, a BP network model determining the relation between grain size and technological parameters is established, and the actual production technology has been optimized.
在此基础上建立了晶粒尺寸与工艺参数间关系的BP网络模型，进而以晶粒尺寸最小为目标对实际生产工艺进行了优化。
Temperature model of ladle is established by FEM and structure of ladle is optimized in allusion to real production situation. Then the bottom and wall are optimized separately.
利用有限元法建立了钢包的温度模型，针对实际的生产工况对钢包结构进行了优化，并分别对钢包的包底和包壁进行优化。
Based on the production practice, the original complex model is optimized, realizing an effective control on grinding.
结合生产实际，优化了原有的复杂模型，达到了对磨矿作业的有效控制。
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