in the process of refining petroleum, the gasoline-final boiling point and the steam pressure 10% point, which are major indicators of gasoline quality, can not be real time measured online. This paper introduces the designing thoughts and the realization method of computer optimization control for gasoline quality as well as its reliance on the coupling of parameter identification and on-line simulation for modeling. Also includes the techniques of comprehensive evolution of multi-optimal strategies. By means of soft-meter [1] monitoring and optimizing techniques, along with setting up the dynamic mathematics model of gasoline-final boiling point online, the complicated technologies of computer monitoring and optimal controlling of gasoline quality for the catalytic cracking unit can be carried out.
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