Chaotic Local--Region Linear Prediction Of Silicon Content In Hot Metal Of Blast Furnace

Acta Metall Sin

2005, Vol. 41

Issue (4): 433-436 DOI:

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Chaotic Local--Region Linear Prediction Of Silicon Content In Hot Metal Of Blast Furnace

GAO Chuanhou; ZHOU Zhimin; SHAO Zhijiang

Department of Control Science and Engineering; Zhejiang University; Hangzhou 310027

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GAO Chuanhou; ZHOU Zhimin; SHAO Zhijiang. Chaotic Local--Region Linear Prediction Of Silicon Content In Hot Metal Of Blast Furnace. Acta Metall Sin, 2005, 41(4): 433-436 .

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Abstract A chaotic local--region linear prediction model is constructed to predict the silicon content in hot metal of blast furnace (BF) No.1 at Laiwu Iron and Steel Group Co. and BF No.6 at Linfen Iron and Steel Group Co. As a result, more than 80.0% hit rate of prediction in the range of [Si]0.1% is attained with one--step prediction for both BF, and even 89.1% for sample (b) of BF No.1 at Laiwu Iron and Steel Group Co. The prediction precision is about 10-2. The result is helpful for industrial practice.

Key words: blast furnace silicon content in hot metal([Si]) chaos

Received: 26 May 2004

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2005/V41/I4/433

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