MATEC Web Conf.
Volume 153, 2018The 4th International Conference on Mechatronics and Mechanical Engineering (ICMME 2017)
|Number of page(s)||4|
|Section||Researching and Designing of Machines and Mechanisms|
|Published online||26 February 2018|
Vertical Vibration Control of Cold Rolling Mill’s Rolls Based on Time-delay Feedback Control Method
School of Control Engineering, Northeastern University at Qinhuangdao, China
In this paper, a two degree of freedom nonlinear vertical vibration equation of the cold rolling mill with the dynamic rolling force was established, then the delay feedback control method was introduced into the equation to controlled the vertical vibration of the system. The amplitude-frequency equations of primary resonance of system was carried out by using the multi-scale method, and the resonance characteristics of different parameters of delay feedback control method were obtained by adopting the actual parameters of rolling mill. It is found that the size of the resonance amplitude value was effectively controlled and the resonance region and jumping phenomenon of the system were eliminated by selecting the appropriate time-delay parameters combination, which provides an effective theoretical reference for solving mill vibration problems.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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