Dynamic matrix control of a fluidized catalytic cracking process

Abstract The purpose of this study is to investigate the performance of a dynamic matrix control (DMC) algorithm when applied to a fluidized catalytic cracking (FCC) process operated under full and partial combustion modes. A hierarchical control system comprised of a DMC and a basic regulatory controller was constructed. The DMC consisting of 10 controlled, 6 manipulated, and 2 feed forward variables was designed for the full and partial combustion modes, and then two different dynamic matrices were obtained by applying step tests to each combustion mode of the FCC process. From the control simulations, it was shown that the DMC as a supervisory control outperfonns conventional PID controller in both the full and partial combustion modes under process constraints.

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