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《Iron & Steel》 2010-01
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Study and Application of Q Prediction Feedforward AGC in Hot Tandem Rolling

ZHANG Dian-hua1,ZHANG Wen-xue1,YAN Dan2,LI Xu1,DU De-shun1,ZHANG Jin1(1.State Key Laboratory of Rolling Technology and Automation,Northeastern University,Shenyang 110004,Liaoning,China;2.SMS Demag Strip Processing Lines Shanghai Ltd.,Shanghai 200083,China)  
Aiming at the main factors causing thickness fluctuation of hot strip,the control algorithm of the feedforward AGC which takes the plasticity coefficient and entry thickness of strip as input was present.The Q prediction feedforward AGC control system principle,strip tracing scheme and the linear method of plasticity coefficient Q prediction were put forward.The site application results show that the strategy of Q prediction feedforward AGC has remarkably effect on decreasing thickness deviation of hot strip.
【Fund】: 国家自然科学基金资助项目(50534020)
【CateGory Index】: TG335.5
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