针对热轧带钢粗轧头尾宽度尺寸精度低的现状，分析了带钢头尾宽度超差的原因。针对短行程控制（SSC）模型，开发了短行程控制在线自学习功能。利用轧后实测宽度数据对短行程控制参数进行学习。结合国内某热轧厂现场实际应用表明：自学习后的短行程控制模型，能够将带钢头尾与稳定段宽度超差控制在2mm之内，金属收得率提高到98%以上。
For the present situation of rough rolling strip head and tail low width precision on hot strip mill, analysis the cause of strip head and tail width tolerance. For the short stroke control (SSC) model, the SSC online self-learning function was exploited. Using actual width data after rolling to learn the SSC parameters. Combine domestic some hot rolling factory practical application show that SSC model after self-learning, can be able to control strip head and tail width and width steady component in two millimeters. Metal harvest rate enhances to ninety-eight percents above.
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