Design of H∞ Robust Controller for Electro-Hydraulic IGC System of Four-high Mill Based on Genetic Algorithm

被引:0
|
作者
Sun, Jian-liang [1 ]
Peng, Yan [1 ]
Liu, Hong-min [1 ]
机构
[1] Yanshan Univ, Minist Educ, State Key Lab Metastable Mat Sci & Technol, Engn Res Ctr Rolling Equipment & Complete Technol, Qinhuangdao, Hebei, Peoples R China
来源
2009 IEEE INTERNATIONAL CONFERENCE ON MECHATRONICS AND AUTOMATION, VOLS 1-7, CONFERENCE PROCEEDINGS | 2009年
关键词
Electro-hydraulic IGC; Genetic algorithm; H robust control; Parameter uncertainty; HOT;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The two degrees stand-rolls system model of four-high mill was built, the electro-hydraulic IGC servo system was further built. The weighting functions were optimized according to GA (genetic algorithm). The closed loop controller of roll gap was designed based on the H mixed sensitivity robust control theory because of the parameter uncertainty of the IGC model. Simulation results and comparison with the effect of PID control show that the robust controller designed has better disturbance attenuation performance for parameter uncertainty and external disturbance. The dynamics performances and stability of the electro-hydraulic IGC system were improved significantly.
引用
收藏
页码:741 / 745
页数:5
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