Investigation on optimization of process parameters and chemical reactor geometry by evolutionary algorithms

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Proceedings - 23rd European Conference on Modelling and Simulation, ECMS 2009, Page: 84-92

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Dao, Tran Trong; Zelinka, Ivan
European Council for Modelling and Simulation (ECMS); European Council for Modelling and Simulation (ECMS)
Mathematics; Simulation; Optimization; Evolutionary algorithms; Differential evolution; Self-organizing migrating algorithm
conference paper description
The present work aims to employ evolutionary algorithms (EAs) to optimize an industrial chemical process. A unique combination of the simplified fundamental theory and direct hands-on computer simulation is used to present the modeling of a dynamic chemical engineering process in a highly understandable way. The main aim is to use them for analysis of dynamical system behaviour, especially of a given chemical reactor. A non-linear mathematical model is required to describe the dynamic behaviour of batch process; this justifies the use of evolutionary method of the EAs to deal with this process. Two algorithms - differential evolution and self-organizing migrating algorithm are used in this investigation. Differential Evolution is an evolutionary optimization technique which is exceptionally simple, significantly faster & robust at numerical optimization and is more likely to find a function's true global optimum. SOMA is also robust algorithm in sense of global extreme searching. In this way, in order to optimize the process, the EAs code is coupled with the rigorous model of the reactor. Both algorithms (SOMA, DE) have been applied 100 times in order to find the optimum of process parameters and the reactor geometry. The results show that the EAs are used successfully in the process optimization. © ECMS.