Presents the architecture of a real-time scheduling system of a large chlorine-soda factory. For this kind of complex system; the design task mainly consists of two parts: mathematical models and the software image on the specific computer system. The authors describe their suggestions on modeling methodology and the implementation architecture of the software image of such a complex system, and the hierarchical structure will play an important role in such task. By creating a reasonable hierarchical model of a real large plant, which has a hierarchical structure, the authors can relax the mathematical complexity of the models and give the clear program structure of the software image.
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