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Analysis of non-equigap grey optimal model about smelting endpoint

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During the decarburization process of smelting steel and iron, not only carbon content is difficult to be detected on-line for smelting conditions, but also there are too many uncertain factors, so the endpoint control is still difficult to be accurately determined in time。 For this, non-equigap grey optimal model is given to predict carbon content during the decarburization process of smelting steel and iron。 Simulation results show that the non-equigap grey optimal model which is established with data in AOD smelting process has the high fitting precision and high prediction precision, and the relative error is between -6。40% and 3。06%。 Carbon content can be predicted well in real time with non-equigap grey optimal model。

endpoint controlfitting precisionnon-equigap grey optimal modelprediction precision

Yufeng Lian、Wen You、Xuesheng Feng

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Coll. of Electr. & Electron. Eng., Changchun Univ. of Technol., Changchun, China

Changchun(CN)

2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering

112-115

2010