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Semi-Infinite Optimization with Hybrid Models

delete2022-04-11
delete3
PRE
AI
C
Chenyu Wang
M
Matthew E. Wilhelm
M
Matthew D. Stuber *
DOI:10.1021/acs.iecr.2c00113delete
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摘要

摘要

En 中文
: The robust design of performance/safety-critical process systems, from a model-based perspective, remains an existing challenge. Hybrid firstprinciples data-driven models offer the potential to dramatically improve model prediction accuracy, stepping closer to the digital twin concept. Within this context, worst-case engineering design feasibility and reliability problems give rise to a class of semi-infinite program (SIP) formulations with hybrid models as coupling equality constraints. Reduced-space deterministic global optimization methods are exploited to solve this class of SIPs to ??-global optimality in finitely many iterations. This approach is demonstrated on two challenging case studies: a nitrification reactor for a wastewater treatment system to address worst-case feasibility verification of dynamical systems and a three-phase separation system plagued by numerical domain violations to demonstrate how they can be overcome using a nonsmooth SIP formulation with hybrid models and a validity constraint incorporated.
Keyword:
GLOBAL OPTIMIZATION
BILEVEL PROGRAMS
NEURAL-NETWORK
ALGORITHM
SYSTEMS
RELAXATIONS
DIVERSITY
BACTERIA
VALIDITY
DESIGN

期刊

I
Industrial and Engineering Chemistry Research
IF:
3.9
论文数:
4.0W
被引数:
9.6W

机构

U
University of Connecticut
学者数:
2.4W
论文数: 2.2W
被引数: 2.5W
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