Abstract

This article discusses the stages of tuning and adjustment of tension control systems for winders of cold-rolled sheet mills using experimental frequency identification of the control object. To successfully solve the problems of synthesis of a control system by frequency methods, initial structures of the control object have been selected and adopted, the parameters of which were specified at the stage of frequency identification. Restrictions on the use of the proposed structure of the electric drive were coordinated—namely, a high cutoff frequency of the torque control loop and an absolutely stretched rolling strip. The imposed restrictions on the model made it possible to significantly simplify it, as well as to eliminate some cross links in the considered structure. In tension control systems, the node for dynamic compensation of disturbance caused by a change in the speed of the rolling stand of cold-rolled sheet mills can contain only one channel that compensates only for the dynamic component. The limitation of the disturbance component due to the inaccuracy in the operation of the indirect torque control loop is realized by adjusting the control loop of the winder’s electric drive moment for maximum speed. In electric drives with new types of electric machines, it is possible to significantly expand the range of operation of the compensating device by increasing the speed of the torque control loops of the rolling stand and winder electric drives.

中文翻译：

---

冷轧机绕线机张力控制系统的综合

摘要

本文讨论了使用控制对象的实验频率识别来调节和调整冷轧薄板卷取机张力控制系统的阶段。为了成功解决频率法综合控制系统的问题，选择并采用了控制对象的初始结构，并在频率识别阶段确定了其参数。协调了对所建议的电驱动器结构使用的限制，即，转矩控制环的截止频率高，轧制带绝对拉伸。对模型强加的限制使其有可能大大简化模型，并消除所考虑结构中的某些交叉链接。在张力控制系统中 动态补偿由冷轧薄板轧机的轧机机架速度变化引起的干扰的节点只能包含一个仅补偿动态分量的通道。间接转矩控制回路的操作不准确引起的干扰分量的限制是通过将绕线机电驱动力矩的控制回路调节为最大速度来实现的。在具有新型电机的电驱动器中，可以通过增加轧机机架和卷绕机电驱动器的转矩控制环的速度来显着扩展补偿装置的操作范围。间接转矩控制回路的操作不准确引起的干扰分量的限制是通过将绕线机电驱动力矩的控制回路调节为最大速度来实现的。在具有新型电机的电驱动器中，可以通过增加轧机机架和卷绕机电驱动器的转矩控制环的速度来显着扩展补偿装置的操作范围。间接转矩控制回路的操作不准确引起的干扰分量的限制是通过将绕线机电驱动力矩的控制回路调节为最大速度来实现的。在具有新型电机的电驱动器中，可以通过增加轧机机架和卷绕机电驱动器的转矩控制环的速度来显着扩展补偿装置的操作范围。