10.  Hierarchical Control Structure of the Catalytic Cracking Unit

Authors: Cristina Popa, Cristian Patrascioiu


Abstract:

The catalytic cracking unit is an important plant in benzene processes, and is characterized by a high degree of complexity. The catalytic cracking operation imposes a hierarchical onset of the automatic control systems. In the first part of this paper is presented a critical analysis of the hierarchical control concepts for complex technical systems. In the second part there are presented the authorís researches regarding the hierarchical control of the catalytic cracking.


Keywords: hierarchical control structure, hierarchical concepts, catalytic cracking process

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