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新日铁以实验为基础的板形控制数学模型使板形理论和技术发展到了一个新阶段，但是模型中的重要参数——遗传系数η是板宽和板厚的二元函数，而且包括轧机和轧件的双重信息，给该模型的应用带来许多不便。本文将其分解为反映轧件特性的轧件刚度系数ｑ和轧机板形刚度系数ｍ，并给出了板形刚度系数的计算和测量方法。实现了η的分离，得出板形测量和控制模型。
Nippon Steel’s experiment-based plate-shape control mathematic model has brought plate shape theory and technology to a new stage, but the important parameter in the model, genetic coefficient η, is a binary function of plate width and plate thickness and includes mill And rolling the dual information, to the application of the model brings a lot of inconvenience. In this paper, it is decomposed into the stiffness coefficient q of the rolling material and the rigidity coefficient m of the rolling mill which reflect the characteristics of the rolling material, and the calculation and measurement methods of the rigidity of the plate shape are given. Realize the separation of η, obtained shape measurement and control model.