Because of the collision between lap of strip steel and unit roller , too big an impact occours during the initial coiling of previous coiler of hot rolling 以往热轧卷取机在卷取开始时，由于带钢头部搭头部位与助卷辊发生冲撞，产生过大的冲击。
This provides theoretic and experimental base for developing high - level step - by - step control system and improving installation of coiler and quality of production 为研制高水平的热轧卷取机步进控制系统，提高卷取机装机水平和卷取质量提供了理论基础与实验依据。
Experiments show that in the system , step - by - step control is realized , the utilization rate of materials is gained . this model lays the basis for developing the better coiler 实验证明，该控制系统能实现带头的自动步进回避，提高材料利用率，为研制高水平热轧卷取机奠定基础。
In the process of hot rolling mill , wallop is very large when winding , which influences production heavily . so developing the control system to realize step - by - step control is significative 在热轧生产过程中，带钢卷取时冲击力很大，卷取机经常发生故障，严重影响了生产产量和产品质量，因此开发能实现带头自动回避的控制系统具有实际意义。
Modern coiler of hot rolling is coiling faster and faster . based on the physical simulation model built in laboratory , a series of experiments have been conducted to study how to evite the step even faster and more placidly 现代热轧卷取机卷取速度越来越快，为探讨如何更快速、更平稳地实现助卷辊的台阶回避，针对实验室建造的热轧卷取机系统半物理模型进行了仿真和实验研究。
Based on the real work process of coiler at worksite , a mechanical model for coiler control system is built . this is the first time in china to develop an electro - hydraulic servo system including the position - adjusting loop and the pressure - adjusting loop 本课题基于实际现场卷取机卷取工艺，在国内首次研制了带有位置调节和压力调节的电液伺服系统，建造了系统物理实验模型。
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Abstract : this paper presents an analysis of the moment of inertia ofcoiler in hot strip mill in detail , the derivation of theoretical formula of the inertia and the analysis , taking 2050 hot strip mill for example , of the inertia change rule and the compensation of moment of inertia 文摘:对热轧带钢卷取机的惯性力矩进行了分析，推导出惯性力矩的理论表达式，并结合2050热轧卷取机分析了惯性力矩的变化规律，对惯性力矩进行了补偿。
Hydraulic servo system used in coiler is mainly to realize the step - by - step control . by using the servo system , vibration and striking are largely decreased , the accidents are reduced , and the level of automation is largely improved , as well as the quality of production 电液伺服系统在现代的热轧卷取机中的应用主要是实现带头的自动步进回避，这样就有效地消除冲击，同时也使卷取过程中各种事故大为减少，大大提高了轧制过程的自动化水平，产品产量和质量。
One robust compensation adjustment is presented , based on which and h ? mixed sensitivity control method , then a new h - control method is brought forward and is applied in the pressure - adjusting loop of this system . h mixed sensitivity control method is applied in the position - adjusting loop . system simulation and experiments prove that using these two control methods , performance of close - loop system is very good and excellent robustness is obtained too 在此基础上，针对h _控制混合灵敏度优化策略的特点，提出了一种新的h _控制方法，并将其应用到卷取机步进控制系统的压力控制环节，同时首次将h _控制混合灵敏度优化策略应用于卷取机步进控制系统的位置控制环节，系统仿真和物理系统模拟实验证实这两种控制方法不仅保证了闭环系统特性，还具有良好的鲁棒性。
