期刊
COMPUTERS & CHEMICAL ENGINEERING
卷 109, 期 -, 页码 119-137出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compchemeng.2017.09.014
关键词
Multiobjective optimization; Gradient-based optimization; Process optimization; Aspen Plus
资金
- KU Leuven Center-of-Excellence Optimization in Engineering (OPTEC) [PFV/10/002]
- Fonds Wetenschappelijk Onderzoek Vlaanderen [G.0930.13]
- Belgian Science Policy Office (DYSCO) [IAP VII/19]
- VLAIO-Baekeland grant [HBC.2017.0239]
The (bio)chemical process industry is under an increasing pressure due to smaller margins and increasing societal and legislative demands for a sustainable future. In this context model-based optimization contributes to the solution because it serves to improve the processes' performance. Furthermore, multiobjective optimization techniques provide the decision maker with a deeper insight in the tradeoffs when choosing an operating condition. However, an accurate process model is needed to apply these techniques efficiently. In this paper, a novel interface is developed between state-of-the-art gradient-based optimization techniques and the widely used process simulator Aspen Plus. Furthermore, specific challenges and solutions for overcoming the gap between process simulators and optimization tools are highlighted. The resulting interface allows gradient-based techniques to be exploited for optimization of complex industrial processes modeled in the advanced Aspen Plus environment. The interface ensures constraints satisfaction, and a higher computational performance than gradient free methods. (C) 2017 Published by Elsevier Ltd.
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