An integrated real-time optimization, control, and estimation scheme for post-combustion CO2 capture

GD Patrón, L Ricardez-Sandoval - Applied Energy, 2022 - Elsevier
This study presents a novel operational scheme for post-combustion CO 2 capture (PCC)
plants downstream from fuel-fired power plants. The approach is comprised of real-time …

How sensitive is a dynamic ammonia synthesis process? Global sensitivity analysis of a dynamic Haber-Bosch process (for flexible seasonal energy storage)

K Verleysen, A Parente, F Contino - Energy, 2021 - Elsevier
The transition towards a sustainable energy sector depends on how we safely manage the
transport and storage of energy to keep up with the demand. Large storage (TWh) of …

Constrained abridged Gaussian sum extended Kalman filter: constrained nonlinear systems with non-Gaussian noises and uncertainties

M Valipour, LA Ricardez-Sandoval - Industrial & Engineering …, 2021 - ACS Publications
This work presents a constrained abridged Gaussian sum extended Kalman filter
(constrained AGS–EKF) that employs Gaussian mixture models to improve the estimation of …

Abridged Gaussian sum extended Kalman filter for nonlinear state estimation under non-Gaussian process uncertainties

M Valipour, LA Ricardez-Sandoval - Computers & Chemical Engineering, 2021 - Elsevier
Abstract Studies on Extended Kalman Filter (EKF) that explicitly consider non-Gaussian
process uncertainties are scarce in the literature. In the current study, a novel approach …

Closed-loop operation of a simulated recirculating aquaculture system with an integrated application of nonlinear model predictive control and moving horizon …

S Kamali, VCA Ward, L Ricardez-Sandoval - Computers and Electronics in …, 2023 - Elsevier
High water recirculation combined with a low rate of water exchange can deteriorate water
quality and affect fish welfare in recirculating aquaculture systems (RAS). A nonlinear model …

[HTML][HTML] A regularized Moving Horizon Estimator for combined state and parameter estimation in a bioprocess experimental application

A Tuveri, CSM Nakama, J Matias, HE Holck… - Computers & Chemical …, 2023 - Elsevier
Due to the lack or high costs of measurement devices to monitor and control metabolites in
microbial cultivation processes, state estimators are often required. These estimators …

A robust moving horizon estimation under unknown distributions of process or measurement noises

M Valipour, LA Ricardez-Sandoval - Computers & Chemical Engineering, 2022 - Elsevier
Industrial processes are often subject to unexpected process uncertainties or measurement
noises such that their distributions may become non-Gaussian and unforeseeable. A Moving …

Low-variance parameter estimation approach for real-time optimization of noisy process systems

GD Patrón, L Ricardez-Sandoval - Industrial & Engineering …, 2022 - ACS Publications
Uncertainty is inherent to the measurement and modeling of process systems, where it can
have significant impacts on the efficacy of optimization techniques. This work proposes a …

Integration of design and NMPC-based control for chemical processes under uncertainty: An MPCC-based framework

O Palma-Flores, LA Ricardez-Sandoval - Computers & Chemical …, 2022 - Elsevier
The use of nonlinear model predictive control (NMPC) for the integration of design and
control remains as an open area of research. When NMPC is incorporated into the …

Extended moving horizon estimation for chemical processes under non‐Gaussian noises

M Valipour, LA Ricardez‐Sandoval - AIChE Journal, 2022 - Wiley Online Library
Studies on moving horizon estimation (MHE) for applications featuring process uncertainties
and measurement noises that follow time‐dependent non‐Gaussian distributions are absent …