自动化学报2023，Vol.49Issue(12)：2569-2581,13.DOI:10.16383/j.aas.c200936
基于耦合反步法的轧机垂扭耦合振动控制策略研究
The Control Strategy of Vertical Torsional Coupling Vibration of Rolling Mill Based on Coupled Backstepping Method
摘要
Abstract
A control strategy based on coupling backstepping method is proposed to suppress the vertical torsional coupling vibration of rolling mill.Firstly,the coupling effect of the drive system,hydraulic system and the roll sys-tem is considered.According to the dynamic theorem,the vertical torsional coupling vibration model of the rolling mill is established.Then,in view of the coupling relationship between the two subsystems,a control strategy of electromechanical hydraulic vertical torsional coupling vibration suppression of rolling mill is proposed.Based on the specific order backstepping method,the coupling vibration control strategy is designed to overcome the prob-lem of nesting each other in the controller design.Considering the output performance constraints of the coupled system,with the aid of the barrier Lyapunov function method and the neural network to approximate the unknown nonlinear function,an adaptive neural network vibration suppression control strategy is designed.It is proved theor-etically that the designed controller can make the system output meet the required transient-steady performance in-dex.Finally,a simulation is carried out on 650 mm rolling mill by using the actual data to show the validity of the proposed control strategy in this paper.关键词
机电液/垂扭耦合/输出受限/自适应控制/轧机振动抑制Key words
Electromechanical hydraulic/vertical torsional vibration coupling/output constraints/adaptive control/rolling mill vibration suppression引用本文复制引用
张柳柳,钱承,华长春,白振华,雷彤..基于耦合反步法的轧机垂扭耦合振动控制策略研究[J].自动化学报,2023,49(12):2569-2581,13.基金项目
国家自然科学基金(62103353,62273297,61803326,61825304,61751309)资助Supported by National Natural Science Foundation of China(62103353,62273297,61803326,61825304,61751309) （62103353,62273297,61803326,61825304,61751309）
