Integration of planning, scheduling, and control: A review and new perspectives

O Andrés‐Martínez… - The Canadian Journal …, 2022 - Wiley Online Library
The competitive, profitable, and safe operation of chemical plants depends on tight and
effective coordination among the different decision making levels of the enterprise, including …

Automatic decomposition of large-scale industrial processes for distributed MPC on the Shell–Yokogawa Platform for Advanced Control and Estimation (PACE)

W Tang, P Carrette, Y Cai, JM Williamson… - Computers & Chemical …, 2023 - Elsevier
The kernel of industrial advanced process control (APC) lies in the formulation and solution
of model predictive control (MPC) problems, which specify the controller moves according to …

Taking the human out of decomposition-based optimization via artificial intelligence, Part II: Learning to initialize

I Mitrai, P Daoutidis - Computers & Chemical Engineering, 2024 - Elsevier
The repeated solution of large-scale optimization problems arises frequently in process
systems engineering tasks. Decomposition-based solution methods have been widely used …

Taking the human out of decomposition-based optimization via artificial intelligence, Part I: Learning when to decompose

I Mitrai, P Daoutidis - Computers & Chemical Engineering, 2024 - Elsevier
In this paper, we propose a graph classification approach for automatically determining
whether to use a monolithic or a decomposition-based solution method. In this approach, an …

Resolving large-scale control and optimization through network structure analysis and decomposition: A tutorial review

W Tang, A Allman, I Mitrai… - 2023 American Control …, 2023 - ieeexplore.ieee.org
Decomposition is a fundamental principle of resolving complexity by scale, which is utilized
in a variety of decomposition-based algorithms for control and optimization. In this paper, we …

PlasmoData. jl—A Julia framework for modeling and analyzing complex data as graphs

DL Cole, VM Zavala - Computers & Chemical Engineering, 2024 - Elsevier
Datasets encountered in scientific and engineering applications appear in complex formats
(eg, images, multivariate time series, molecules, video, text strings, networks). Graph theory …

Stochastic blockmodeling for learning the structure of optimization problems

I Mitrai, W Tang, P Daoutidis - AIChE Journal, 2022 - Wiley Online Library
Decomposition‐based solution algorithms for optimization problems depend on the
underlying latent block structure of the problem. Methods for detecting this structure are …

[HTML][HTML] A novel attributed community detection by integration of feature weighting and node centrality

M Rostami, M Oussalah - Online Social Networks and Media, 2022 - Elsevier
Community detection is one of the primary problems in social network analysis and this
problem has more challenges in attributed social networks. The purpose of community …

A switched system formulation for optimal integration of scheduling and control in multi-product continuous processes

O Andres-Martinez, LA Ricardez-Sandoval - Journal of Process Control, 2021 - Elsevier
Integrating control decisions into scheduling strategies has been shown to improve process
economics. Typical integrated formulations consist of mixed-integer optimization models that …

Efficient solution of enterprise-wide optimization problems using nested stochastic blockmodeling

I Mitrai, P Daoutidis - Industrial & Engineering Chemistry Research, 2021 - ACS Publications
Enterprise-wide optimization seeks to improve the economic performance of process
systems by considering simultaneously decisions at different time scales, resulting in large …