Nonlinear friction compensation control of cold rolling main drive system with parameters uncertainty

被引：0

作者：

Yang, Xu ^{[1
]}

Tong, Chaonan ^{[1
]}

机构：

[1] School of Automation and Electrical Engineering, Key Laboratory of Advanced Control of Iron and Steel Process (Ministry of Education), University of Science and Technology Beijing

来源：

Journal of Convergence Information Technology | 2012年 / 7卷 / 20期

关键词：

Friction compensation control; Nonlinear model; Parameter uncertainty; Stability;

D O I：

10.4156/jcit.vol7.issue20.3

中图分类号：

学科分类号：

摘要：

The nonlinear torsional vibration model of main drive system in cold rolling mill was established, with the consideration of variable stiffness and friction coefficient. The system dynamic characteristics have been discussed by the influence of those nonlinear parameters. By introducing the nonlinear gain and friction compensation, a robust controller with nonlinear gain and friction compensation term, is presented, and its convergence is demonstrated based on Lyapunov direct method. Simulation experiment with industrial data demonstrates the effectiveness and better tracking behavior of the proposed algorithm.

引用

页码：17 / 24

页数：7

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