Exploiting Domain Partition in Response Function-Based Dynamic Surrogate Modeling: A Continuous Crystallizer Study

被引:0
|
作者
Di Pretoro, Alessandro [1 ]
Montastruc, Ludovic [1 ]
Negny, Stephane [1 ]
机构
[1] Univ Toulouse, Lab Genie Chim, CNRS, INP,UPS, F-31432 Toulouse, France
来源
DYNAMICS | 2024年 / 4卷 / 02期
关键词
Latin Hypercube Sampling; metamodels; response function; process systems; OPTIMIZATION;
D O I
10.3390/dynamics4020012
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Given the exponential rise in the amount of data requiring processing in all engineering fields, phenomenological models have become computationally cumbersome. For this reason, more efficient data-driven models have been recently used with the purpose of substantially reducing simulation computational times. However, especially in process engineering, the majority of the proposed surrogate models address steady-state problems, while poor studies refer to dynamic simulation modeling. For this reason, using a response function-based approach, a crystallization unit case study was set up in order to derive a dynamic data-driven model for crystal growth whose characteristic differential parameters are derived via Response Surface Methodology. In particular, multiple independent variables were considered, and a well-established sampling technique was exploited for sample generation. Then, different sample sizes were tested and compared in terms of accuracy indicators. Finally, the domain partition strategy was exploited in order to show its relevant impact on the final model accuracy. In conclusion, the outcome of this study proved that the proposed procedure is a suitable methodology for dynamic system metamodeling, as it shows good compliance and relevant improvement in terms of computational time. In terms of future research perspectives, testing the proposed procedure on different systems and in other research fields would allow for greater improvement and would, eventually, extend its validity.
引用
收藏
页码:208 / 221
页数:14
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