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Optimization of Temperature and Force Adaptation Algorithm in Hot Strip Mill 被引量:6

Optimization of Temperature and Force Adaptation Algorithm in Hot Strip Mill
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摘要 Abstract: In the hot strip rolling control system, the temperature distribution and deformation resistance are the main parameters affecting prediction of rolling force. In order to improve the model prediction precision, an optimiza- tion algorithm based on objective function was put forward, in which the penalty function index was adopted. During the adaptation process, the temperature distribution and deformation resistance were taken as the optimized parame ters, and the Nelder-Mead simplex algorithm was used to search the optimal solution of the objective function. Fur thermore, the temperature adaptation and force adaptation were solved simultaneously. Application results show that the method can improve the accuracy of the rolling force model obviously, and it can meet the demand of the indus trial production and has a good application prospect. Abstract: In the hot strip rolling control system, the temperature distribution and deformation resistance are the main parameters affecting prediction of rolling force. In order to improve the model prediction precision, an optimiza- tion algorithm based on objective function was put forward, in which the penalty function index was adopted. During the adaptation process, the temperature distribution and deformation resistance were taken as the optimized parame ters, and the Nelder-Mead simplex algorithm was used to search the optimal solution of the objective function. Fur thermore, the temperature adaptation and force adaptation were solved simultaneously. Application results show that the method can improve the accuracy of the rolling force model obviously, and it can meet the demand of the indus trial production and has a good application prospect.
出处 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2014年第3期300-305,共6页
基金 Sponsored by National Natural Science Foundation of China(51074051) The Fundamental Research Funds for the CentralUniversities of China(N110307001)
关键词 hot strip mill ADAPTATION temperature distribution~ force prediction~ objective function~ simplex algo-rithm hot strip mill adaptation temperature distribution~ force prediction~ objective function~ simplex algo-rithm
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