Resilient reinforcement learning and robust output regulation under denial-of-service attacks

W Gao, C Deng, Y Jiang, ZP Jiang - Automatica, 2022 - Elsevier
In this paper, we have proposed a novel resilient reinforcement learning approach for
solving robust optimal output regulation problems of a class of partially linear systems under …

[HTML][HTML] Multi-time scale control and optimization via averaging and singular perturbation theory: From ODEs to hybrid dynamical systems

M Abdelgalil, DE Ochoa, JI Poveda - Annual Reviews in Control, 2023 - Elsevier
Multi-time scale techniques based on singular perturbations and averaging theory are
among the most powerful tools developed for the synthesis and analysis of feedback control …

Sampled-data extremum seeking with constant delay: a time-delay approach

Y Zhu, E Fridman, TR Oliveira - IEEE Transactions on Automatic …, 2022 - ieeexplore.ieee.org
This article proposes a constructive method for sampled-data extremum seeking (ES) with
square wave dithers and constant delays, by using two time-delay approaches: one to …

Continuous-time zeroth-order dynamics with projection maps: Model-free feedback optimization with safety guarantees

X Chen, JI Poveda, N Li - IEEE Transactions on Automatic …, 2025 - ieeexplore.ieee.org
This paper introduces a class of model-free feedback methods for solving generic
constrained optimization problems where the mathematical forms of the cost and constraint …

Extremum seeking control and gradient estimation based on the Super-Twisting algorithm

I Torres-Zuniga, F Lopez-Caamal… - Journal of Process …, 2021 - Elsevier
This article addresses the problem of extremum seeking of a continuous-time dynamical
system with a single input and a single output. A Super-Twisting-based optimization …

On Lie-bracket averaging for a class of hybrid dynamical systems with applications to model-free control and optimization

M Abdelgalil, JI Poveda - arxiv preprint arxiv:2308.15732, 2023 - arxiv.org
Dynamical systems characterized by oscillatory behaviors and well-defined average vector
fields have traditionally been subjects of stability analysis through methodologies rooted in …

Hybrid Minimum-Seeking in Synergistic Lyapunov Functions: Robust Global Stabilization under Unknown Control Directions

M Abdelgalil, JI Poveda - arxiv preprint arxiv:2408.04882, 2024 - arxiv.org
We consider the problem of robust global stabilization for a control-affine systems with
dynamic uncertainty in the control directions and in the presence of topological obstructions …

Zero‐sum game optimal control for the nonlinear switched systems based on heuristic dynamic programming

X Fu, Z Li - Optimal Control Applications and Methods, 2023 - Wiley Online Library
In this article, the zero‐sum game problem of control and disturbance is studied for discrete
affine nonlinear switched systems with unknown dynamical models. A two‐level heuristic …

On Lie-Bracket Averaging for Hybrid Dynamical Systems with Applications to Model-Free Control and Optimization

M Abdelgalil, JI Poveda - IEEE Transactions on Automatic …, 2025 - ieeexplore.ieee.org
The stability of dynamical systems with oscillatory behaviors and well-defined average
vector fields has traditionally been studied using averaging theory. These tools have also …

Newton nonholonomic source seeking for distance-dependent maps

V Todorovski, M KrstićFellow - IEEE Transactions on Automatic …, 2024 - ieeexplore.ieee.org
The topics of source seeking and Newton-based extremum seeking have flourished,
independently, but never combined. We present the first Newton-based source seeking …