周期性扰动下卷绕基板的横向位移控制

中国机械工程 ›› 2014, Vol. 25 ›› Issue (9): 1137-1142.

周期性扰动下卷绕基板的横向位移控制

熊涛;熊有伦;王瑜辉

华中科技大学数字制造装备与技术国家重点实验室,武汉,430074

出版日期:2014-05-10 发布日期:2014-05-15
基金资助:
国家重点基础研究发展计划（973计划）资助项目（2013CB035803）

Lateral Position Control of a Flexible Web with Periodic Lateral Disturbance in Winding Process

Xiong Tao;Xiong Youlun;Wang Yuhui

State Key Lab of the Digital Manufacturing Equipment & Technology,Huazhong University of Science & Technology, Wuhan, 430074

Online:2014-05-10 Published:2014-05-15
Supported by:
National Program on Key Basic Research Project (973 Program)（No. 2013CB035803）

摘要/Abstract

摘要：

柔性基板的横向位移控制是卷到卷（roll-to-roll）系统中的关键技术之一,横向偏移会导致定位误差、收卷不齐,直接影响成品的质量。针对卷绕过程中辊筒的旋转偏心造成的基板横向位置上的周期性干扰,提出将插入式重复控制器应用于柔性基板的横向位移控制。该方法不需要改变原有控制器的结构,只需在其之前增加一个重复控制器环节,即能实现对任意周期信号或干扰的高精度跟踪或抑制。仿真实验结果表明,插入式重复控制算法相比单纯PID控制能显著提高系统对辊筒偏心引起的横向周期性干扰的抑制能力,提高系统的稳态精度,具有良好的鲁棒性。

关键词: 基板横向动力学, 横向位移控制, 周期性扰动, 插入式重复控制器

Abstract:

The lateral displacement of a web is one of the most common problems in roll-to-roll(R2R) systems, which results in positioning errors, telescoping in a wound roll, and degraded product quality. The roller eccentricity is the main periodic disturbance for the lateral position of the web in the winding process. A plug-in repetitive controller was presented to attenuate the lateral disturbance caused by the roller rotary eccentricity. The control scheme just added a repetitive control part in primary controller, with the benefits of following or attenuating a discretional periodic signals in high accuracy. The simulation of an offset pivot guide was carried out with a plug-in repetitive controller and a traditional PID controller. It is shown that the proposed control scheme performs well in the lateral periodic disturbance caused by roller eccentricity, and dramatically improves the system steady errors.

Key words: web lateral dynamics, lateral position control, periodic disturbance, plug-in repetitive controller

中图分类号:

TH113
TP273

熊涛, 熊有伦, 王瑜辉. 周期性扰动下卷绕基板的横向位移控制[J]. 中国机械工程, 2014, 25(9): 1137-1142.

Xiong Tao, Xiong Youlun, Wang Yuhui. Lateral Position Control of a Flexible Web with Periodic Lateral Disturbance in Winding Process[J]. China Mechanical Engineering, 2014, 25(9): 1137-1142.

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