For hot rolling, roll profile is the important condition of realizing shape control.

对热轧而言，辊型是实现板形控制的重要条件。

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Here an advanced control model (L-TOP model) is introduced, which is good at predicting hot roll profile and technological change in strip transition.

介绍了一种先进的控制模型(L - top模型)，对热辊型预测和带钢转换时的工艺变化做出很好的处理。

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The results we obtained prove that the power function curve can not only improve the service life of the backup roll but also benefit the profile and shape control of hot rolled strip.

经试验验证，采用幂函数的辊形优化曲线可提高支撑辊使用寿命，并有利于板凸度和板形控制。

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