Design and Simulation Test of Advanced Secondary Cooling Control System of Continuous Casting Based on Fuzzy Self-Adaptive PID

钢铁研究学报(英文版), 2011, 18(1): 26-30.

^1, , ^2,

1.Key Laboratory of Integrated Automation of Process Industry of Ministry of Education, Northeastern University,Shenyang 110819, Liaoning, China;College of Information Science and Engineering, Northeastern University,Shenyang 110819, Liaoning, China

2.College of Information Science and Engineering, Northeastern University,Shenyang 110819, Liaoning, China

基金项目: National High Technology Research and Development Program of China(2007AA04Z194) Fundamental Research Funds for Central Universities of China(NO90409002) National Natural Science Foundation of China(51004032) Major State Basic Research Development Program of China(2007CB613701)

Design and Simulation Test of Advanced Secondary Cooling Control System of Continuous Casting Based on Fuzzy Self-Adaptive PID

LIU Wen-hong ^1, , XIE Zhi ^2,

2.College of Information Science and Engineering, Northeastern University,Shenyang 110819, Liaoning, China

Keywords： fuzzy self-adaptive PID

To improve billet quality and the trackability and stability of secondary cooling water during continuous casting, the superheat is introduced into the water distribution for secondary cooling to design the relevant control system, based on the water distribution model, superheat and fuzzy self-adaptive PID (process identity) . A spray cooling system is set up for simulation test in laboratory to test the step signal from the conventional, integral separated and fuzzy self-adaptive PID controllers and the simulation casting. And the on-site test is done in some steel plant. The test results show that the fuzzy self-adaptive PID controller's performance is better than that of the other two controllers, which provides a basis for further study and application.

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Design and Simulation Test of Advanced Secondary Cooling Control System of Continuous Casting Based on Fuzzy Self-Adaptive PID

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