Synchronous control for the hydraulic width system of edger rolling mill

Shurong Ning; Zhuoyu Fan

doi:10.1117/12.807386

13 October 2008 Synchronous control for the hydraulic width system of edger rolling mill

Shurong Ning, Zhuoyu Fan

Proceedings Volume 7129, Seventh International Symposium on Instrumentation and Control Technology: Optoelectronic Technology and Instruments, Control Theory and Automation, and Space Exploration; 712915 (2008) https://doi.org/10.1117/12.807386
Event: Seventh International Symposium on Instrumentation and Control Technology, 2008, Beijing, China

Abstract

Edger rolling mill is a load system in which the upper and the lower cylinder actuate a side vertical roller at the same time. Due to the linkage of the load, the output and control of two channels influence each other. Synchronic-control issue is discussed aim to the system with serious coupling. Neural network inverse as decoupling controller is proposed to account for the complicated process dynamics characterized by nonlinear, time-varying, uncertain and load couple properties. Firstly, the reversibility of the system is analyzed and the ANN inverse dynamic is constructed based on a feed forward and neural network structure with enlarged back propagation algorithm. Secondly, the system is changed into two pseudo-linear sub-system through connecting the controlled system and inverse dynamic model in series. Aim to two pseudo-linear sub-system pole assignments method is proposed to enhance the whole system performance. A series simulation was conducted and results showed the proposed controller does better than traditional PID not only on decoupling but also on the transient response, as well as robustness under vary conditions.

Citation Download Citation

Shurong Ning and Zhuoyu Fan "Synchronous control for the hydraulic width system of edger rolling mill", Proc. SPIE 7129, Seventh International Symposium on Instrumentation and Control Technology: Optoelectronic Technology and Instruments, Control Theory and Automation, and Space Exploration, 712915 (13 October 2008); https://doi.org/10.1117/12.807386

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