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| Development and application of intelligent quality evaluation system for slab caster of Shougang |
| LI Xiang-kui, LIU Yan-qiang, LIU Hong-ming, TIAN Gui-chang, QIAO Huan-shan, LI Xin-xin |
| Manufacturing Department,Shougang Jingtang United Iron and Steel Co.,Ltd., Tangshan 063200, Hebei, China |
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Abstract In order to insolve the low automation and intelligenc, inaccurate slab abnormal information matching and delivering, inefficient judging of the slab quality evaluation system during the low cost and efficient production of high-level automotive steel product, SGJT steelmaking plant upgraded the old automatic process control and information system. Based on the metallurgic knowledge rule database of relationship between the automotive steel defect and process parameters, intelligent quality evaluation system with 123 abnormal events and parameters was developed. This system can evaluate slab quality and give the disposal instructions of the abnormal slab automatically by tracking of abnormal slab information on line. The results show that slab quality evaluation system has the functions of atuomatic rapid judging of the slab quality, on-line monitoring process abnormality and tracing the product quality informations.
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Received: 27 August 2022
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2022, Vol. 41 
