Optimal model on integrated production planning andscheduling of steelmaking and continuous casting process
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Abstract:
Considering the uncertainty and complexity of production planning and scheduling in steelmaking and continuous casting, an optimal simulation model is built. Based on the analysis of the logistics in steelmaking process, the casting plan is regarded as the global goal, and the procedural information is taken into account, as well as the local evolution rule that abstracted from scheduling rule. To simulate transferring of materials in the process, the state of operation sites are updated as a result of the global goals, process information and local rule. The goaldirected simulation is carried out based on the selforganization evolution mechanism. Finally, an optimal integrated production plan is made by a continuous simulation evolution. A simulation case for eight hours production plan shows that the model is valid and efficient.