|
|
|
| Application of Improved PSO Algorithm in Hydraulic Pressing System Identification |
| YU Yu-zhen1,2,REN Xin-yi2,DU Feng-shan2,SHI Jun-jie2 |
1. Institute of Mechanical Engineering, Hebei United University, Tangshan 063009, Hebei, China
2. Institute of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China |
|
|
|
|
Abstract In view of characteristics of particle swarm optimization (PSO) algorithm of fast convergence but easily falling into local optimum value, a novel improved particle swarm optimization algorithm is put forward, and it is applicable to identify parameters of hydraulic pressure system model in strip rolling process. In order to maintain population diversity and enhance global optimization capability, the algorithm is firstly improved by means of decreasing its inertia weight linearly from the maximum to the minimum and then combined with chaotic characteristics of ergodicity, randomness and sensitivity to initial value. When the improved algorithm is used to identify parameters of hydraulic pressure system, the comparison of simulation curves and measured curves indicates that the identification results are reliable and close to actual situation. A new method was provided for hydraulic AGC system model identification.
|
|
Received: 19 May 2011
Published: 26 September 2012
|
|
Corresponding Authors:
Yu Yuzhen
E-mail: yu_yuzhen@163.com
|
|
|
|
| [1] |
MA Cai-sheng,REN Ting-zhi,YANG Er-xu. Optimization of ring charging at bell-less top blast furnace and accuracy analysis of burden distribution[J]. Chinese Journal of Iron and Steel, 2016, 28(12): 15-20. |
| [2] |
QIU Hua-dong����TIAN Jian-yan��YANG Shuang-qing��WEI Ai-xue��YANG Lian-hong. Fusion modeling of the hot mill based-on case-based reasoning[J]. Chinese Journal of Iron and Steel, 2015, 50(4): 88-94. |
| [3] |
HAO Pei-feng,SHANG Jing-bo,XUE Ding-yu. Optimization of Tension Computing Based on Particle Swarm Optimization for Cold Rolling[J]. Chinese Journal of Iron and Steel, 2014, 26(6): 23-26. |
| [4] |
XIONG Wen-tao,YU Bao-jun,SUN Lin. Improved Particle Swarm Optimization of Rolling Schedule on 1420mm 5-Stand Tandem Cold Strip Mill[J]. Chinese Journal of Iron and Steel, 2014, 26(11): 25-28. |
| [5] |
LI Zhen-lei,HU Xiao��LI Hai-jun,YUAN Guo,WANG Zhao-dong,WANG Guo-dong. Study and Development of Ultra-Fast Cooling Model and Self-Adaptive Control System of Hot Strip Rolling[J]. Chinese Journal of Iron and Steel, 2013, 48(2): 44-48. |
| [6] |
ZHANG Hua,CHEN Feng-yin,WANG Yan-hong. End Point Optimized Control for BOF Steel-Making Process Based on the Characteristic of Subsidiary Material��s Movement[J]. Chinese Journal of Iron and Steel, 2013, 25(1): 5-8. |
|
|
|
|
2012, Vol. 19 
