On the finite-time behavior of suboptimal linear model predictive control

A Karapetyan, EC Balta, A Iannelli… - 2023 62nd IEEE …, 2023 - ieeexplore.ieee.org
Inexact methods for model predictive control (MPC), such as real-time iterative schemes or
time-distributed optimization, alleviate the computational burden of exact MPC by providing …

A Computational Governor for Maintaining Feasibility and Low Computational Cost in Model Predictive Control

J Leung, F Permenter… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article introduces an approach for reducing the computational cost of implementing
linear quadratic model predictive control (MPC) for set-point tracking subject to pointwise-in …

Stability and robustness of distributed suboptimal model predictive control

G Belgioioso, D Liao-McPherson, MH de Badyn… - IFAC-PapersOnLine, 2023 - Elsevier
In distributed model predictive control (MPC), the control input at each sampling time is
computed by solving a large-scale optimal control problem (OCP) over a finite horizon using …

Sub-optimal mpc with dynamic constraint tightening

Y Yang, Y Wang, C Manzie, Y Pu - IEEE Control Systems …, 2022 - ieeexplore.ieee.org
Limited computation resources forces early (sub-optimal) termination of the solvers used for
model predictive controllers (MPCs). This can compromise the feasibility and stability …

Closed-Loop Finite-Time Analysis of Suboptimal Online Control

A Karapetyan, EC Balta, A Iannelli… - arxiv preprint arxiv …, 2023 - arxiv.org
Suboptimal methods in optimal control arise due to a limited computational budget,
unknown system dynamics, or a short prediction window among other reasons. Although …

[HTML][HTML] A semi-algebraic view on quadratic constraints for polynomial systems

T Cunis, H Pfifer - Automatica, 2024 - Elsevier
We show that quadratic constraints admit a semi-algebraic interpretation of dynamic
systems. This allows us to improve the analysis of polynomial systems under nonlinear …

Robust reference governor for input-constrained model predictive control to enforce state constraints at low computational cost

M Castroviejo-Fernandez, J Leung… - International Journal of …, 2024 - Taylor & Francis
In the setting of discrete-time linear systems with unmeasured set-bounded disturbances,
this paper proposes a control scheme that combines a disturbance free input-constrained …

Iteration governor for suboptimal MPC with input constraints

J Leung, I Kolmanovsky - Systems & Control Letters, 2024 - Elsevier
This paper introduces a supervisory scheme, called the iteration governor (IG), that
augments a suboptimal input-constrained MPC policy by performing online selection of the …

Real-time distributed model predictive control with limited communication data rates

Y Yang, Y Wang, C Manzie, Y Pu - arxiv preprint arxiv:2208.12531, 2022 - arxiv.org
The application of distributed model predictive controllers (DMPC) for multi-agent systems
(MASs) necessitates communication between agents, yet the consequence of …

Closed-Loop Analysis of ADMM-Based Suboptimal Linear Model Predictive Control

A Srikanthan, A Karapetyan, V Kumar… - IEEE Control Systems …, 2024 - ieeexplore.ieee.org
Many practical applications of optimal control are subject to real-time computational
constraints. When applying model predictive control (MPC) in these settings, respecting …