Specialized metallurgical processes – compositions for use therei – Processes – Process control responsive to sensed condition
Reexamination Certificate
2011-08-23
2011-08-23
Chaki, Kakali (Department: 2122)
Specialized metallurgical processes, compositions for use therei
Processes
Process control responsive to sensed condition
C700S209000, C700S286000, C700S028000
Reexamination Certificate
active
08002871
ABSTRACT:
A method for control of a basic oxygen furnace includes creating a computer-implemented model of the basic oxygen furnace based on support vector regression (SVR) such that the model is configured to produce a prediction of first turndown quality of the basic oxygen furnace. Historical data associated the first turndown quality is received. The model is applied to the historical data to produce a prediction of first turndown quality, which is compared to an actual measurement of first turndown quality. The control recipe for the basic oxygen furnace based at least in part upon a result of the comparison. The system generally includes a preprocessor, a database configured to store historical data associated with first turndown quality of the basic oxygen furnace, a prediction module coupled to the database, and a run-to-run control module. A graphical user interface is provided for visualization and adjustment of data.
REFERENCES:
patent: 2007/0142975 (2007-06-01), Piche
He Lucy
Lu Yongzai
Chaki Kakali
Gami Tejal J
Honeywell International , Inc.
Ingrassia Fisher & Lorenz
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