期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 60, 期 40, 页码 14476-14494出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.1c01570
关键词
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资金
- NSF-CBET [1926303]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1926303] Funding Source: National Science Foundation
This paper proposes the application of nested stochastic blockmodeling for enterprise wide optimization problems, allowing for efficient solutions by identifying different hierarchical levels and the structure of the problem itself. The multiscale nature of these optimization problems is revealed through the application of nSBM, enabling the exploitation of the problem's structure for efficient solutions.
Enterprise wide optimization seeks to improve the economic performance of process systems by considering simultaneously decisions at different time scales, resulting in large-scale optimization problems. In this paper, we propose the application of nested stochastic blockmodeling (nSBM) for the decomposition of such optimization problems. This approach allows the identification of the block structure of the problem at different hierarchical levels and the hierarchy itself. We consider problems of integration of scheduling and dynamic optimization and integration of planning, scheduling, and dynamic optimization for illustration. Application of nSBM reveals the multiscale nature of these optimization problems, and the exploitation of the structure of the problem at different hierarchical levels enables efficient solutions.
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