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为了满足高精度冷带轧机对张力控制精度的要求,本文在分析模拟张力控制系统控制原理及存在的问题的基础上,提出并实现了恒张力控制的模拟—数字混合式控制方法,克服了原模拟张力控制系统固有的弱点,显著提高了张力控制精度,为保证高精度四辊可逆冷带轧机的稳定生产创造了良好条件。
In order to meet the requirements of precision cold strip rolling mill for tension control precision, based on the analysis of control principle and existing problems of analog tension control system, this paper proposes and realizes analog-digital hybrid control method of constant tension control, The inherent weakness of the simulated tension control system significantly improves the tension control accuracy and creates favorable conditions for the stable production of high precision reversible cold strip rolling mill.