Optimal Control Problem of Converter Steelmaking Production Process Based on Operation Optimization Method

Jun Zhang

Discrete Dynamics in Nature and Society, 2015, vol. 2015, 1-13

Abstract:

Dynamic operation optimization has been utilized to realize optimal control problem for converter. The optimal control indicator is determined via current state of converter smelting production process, and the set values of operation variable would control converter production. Relationship between various operating variables, current temperature, and carbon content is constructed through operation analysis of a great deal of actual production data; then, the dynamic optimal control indicator is derived from historical excellent smelting data; finally, the dynamic operation optimization model is built by taking the minimum deviation between the current data—molten steel temperature and carbon content—and optimal data which are determined by the optimal control indicator as objective function. DE (differential evolution) with improved strategy is used to solve the proposed model for obtaining the set values of each operating variable, which is beneficial for further control. Simulation of actual production data shows the feasibility and efficiency of the proposed method. That proved that the proposed method solves the optimal control problem of converter steelmaking process as well.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:483674

DOI: 10.1155/2015/483674

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