Take a hydraulic-mechanical coupling system of industrial field hot strip tandem mill as the research object, a vibration control method which is put forward to optimize control parameters based on an dual target of improved particle swarm optimization. First the hydraulic-mechanical coupling system dynamic model is established, and takes the best system response index and the weakest vibration intensity as the objective function, to optimize the hydraulic pressure system control parameter and obtain the optimal control parameters. The relation curve of the control parameters with the vibration acceleration effective value and dynamic response are described using a numerical analysis method. The simulation results show that the system dynamic response index cannot meet the requirements with minimum vibration, and the system dynamic response index is optimal while system vibration is strong. Finally the results of optimization are applied to the industrial field mill; it proves that the adjustment control parameters of the hydraulic pressure down system can effectively alleviate system vibration, which provided effective solution to curb hot strip tandem mill vibration.
Ling Qi-hui Zhao Qian-cheng Wang Xian Wang Xiao-fen .
Control Parameters Optimization of Hydraulic-mechanical Coupling System of Hot Strip Tandem Mill[J]. Journal of Vibration and Shock, 2017, 36(16): 73-78
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