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Modeling the Hydrocracking Process with Deep Neural Networks
Industrial & Engineering Chemistry Research ( IF 3.375 ) Pub Date : 2020-02-05 , DOI: 10.1021/acs.iecr.9b06295
Wenjiang Song; Vladimir Mahalec; Jian Long; Minglei Yang; Feng Qian

In the refinery process, a vast amount of data is generated in daily production. How to make full use of these data to improve the simulation’s accuracy is crucial to enhancing the refinery operating level. In this paper, a novel deep learning framework integrating the self-organizing map (SOM) and the convolutional neural network (CNN) is developed for modeling the industrial hydrocracking process. The SOM is used to map input variables into two-dimensional maps to extract process features. Then, these maps are fed into the CNN to predict the outputs of the hydrocracking process. The SOM adopted is free of training, which reduces the computational complexity, simplifies the application, and improves the prediction accuracy. Practical guidance on the application of the proposed framework is provided by comparing and analyzing different structures and parameters. Finally, an online modeling scheme is developed and applied in an actual hydrocracking process. Experimental results demonstrate that the proposed framework has great performance in modeling the hydrocracking process and provides a good reference for process optimization.
更新日期:2020-02-06

 

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