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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 9    No. 2    June 1999

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EXPERT CONTROL SYSTEM FOR COAL BLENDING PROCESS IN AN IRON AND STEEL CORPORATION
Yang Chunhua, Shen Deyao, Wu Min and Hu Longgen

College ofInformation Engineering,Central South University of Technology, Changsha 410083, P. R. China

Abstract:Based on the statistical data and experience knowledge of the coal-blending and coking process, a mathematical model and rule model which forecast the quality of coke and compute blending ratio of coal (BRC) were presented. An algorithm to compute BRC was provided by combining the two models mentioned above. A two-level expert control system (ECS) composed of industrial computers and a Honeywell S9000e controller was designed to calculate BRC and control the coal-blending process, which can not only guarantee the precision of calculating BRC but also make the actual BRC follow the target BRC. The accuracy of coal blending and the prediction precision of coke quality have been come up to 97% and 95% respectively.

 

Key words: coal-blending process blending ratio of coal expert control mathematical model rule model

ISSN 1672-7029
CN 43-1423/U

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