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首页> 中文期刊> 《钢铁研究学报：英文版》 >Prediction of Endpoint Phosphorus Content of Molten Steel in BOF Using Weighted K-Means and GMDH Neural Network

Prediction of Endpoint Phosphorus Content of Molten Steel in BOF Using Weighted K-Means and GMDH Neural Network

         
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摘要

The hybrid method composed of clustering and predicting stages is proposed to predict the endpoint phosphorus content of molten steel in BOF(Basic Oxygen Furnace).At the clustering stage,the weighted K-means is performed to generate some clusters with homogeneous data.The weights of factors influencing the target are calculated using EWM(Entropy Weight Method).At the predicting stage,one GMDH(Group Method of Data Handling) polynomial neural network is built for each cluster.And the predictive results from all the GMDH polynomial neural networks are integrated into a whole to be the result for the hybrid method.The hybrid method,GMDH polynomial neural network and BP neural network are employed for a comparison.The results show that the proposed hybrid method is effective in predicting the endpoint phosphorus content of molten steel in BOF.Furthermore,the hybrid method outperforms BP neural network and GMDH polynomial neural network.

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