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ARRTOC: Adversarially Robust Real-Time Optimization and Control

delete2025-03-01
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OA
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A
Akhil Ahmed
E
Ehecatl Antonio del Rio‐Chanona
M
Mehmet Mercangöz *
DOI:10.1016/j.compchemeng.2024.108930delete
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Abstract

Abstract

En 中文
Real-Time Optimization (RTO) plays a crucial role in process operation by determining optimal set-points for lower-level controllers. However, tracking these set-points can be challenging at the control layer due to disturbances, measurement noise, and actuator limitations, leading to a mismatch between expected and achieved RTO benefits. To address this, we present the Adversarially Robust Real-Time Optimization and Control (ARRTOC) algorithm. ARRTOC addresses this issue by finding set-points which are both optimal and inherently robust to implementation errors at the control layers. ARRTOC draws inspiration from adversarial machine learning, offering a novel constrained Adversarially Robust Optimization (ARO) solution applied to the RTO layer. We present several case studies to validate our approach, including a bioreactor, a multi-loop evaporator process, and scenarios involving plant-model mismatch. These studies demonstrate that ARRTOC can improve realized RTO benefits by as much as 50% compared to traditional RTO formulations that do not account for control layer performance.
Keywords:
Process systems engineering
Real-Time Optimization
Nonlinear control
Adversarial machine learning
Adversarially Robust Optimization
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Journal

C
Computers and Chemical Engineering
IF:
3.9
Papers:
8.1K
Citations:
1.7W

Organization

I
Imperial College London
Scholars:
8.3W
Papers: 7.3W
Citations: 11.1W