Lyapunov stability tests for linear time-delay systems

S Mondié, A Egorov, MA Gomez - Annual Reviews in Control, 2022 - Elsevier
An overview of stability conditions in terms of the Lyapunov matrix for time-delay systems is
presented. The main results and proofs are presented in details for the case of systems with …

A finite Lyapunov matrix-based stability criterion for linear delay systems via piecewise linear approximation

IV Alexandrova - Systems & Control Letters, 2023 - Elsevier
Recently, a number of Lyapunov matrix-based necessary and sufficient stability tests which
require a finite number of operations to be verified were presented for linear time-invariant …

Necessary and sufficient stability condition by finite number of mathematical operations for time-delay systems of neutral type

MA Gomez, AV Egorov, S Mondié - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
We present a new necessary and sufficient condition of exponential stability of neutral-type
linear time invariant (LTI) systems with one delay. The new stability criterion is given in terms …

Synthesis of discretized Lyapunov functional method and the Lyapunov matrix approach for linear time delay systems

IV Alexandrova, AI Belov - Automatica, 2025 - Elsevier
The famous discretized Lyapunov functional method of K. Gu employing the functionals of
general structure with piecewise linear matrix kernels is known to deliver effective stability …

Necessary and sufficient stability condition for time-delay systems arising from Legendre approximation

M Bajodek, F Gouaisbaut… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Recently, necessary conditions of stability for time-delay systems based on the handling of
the Lyapunov–Krasovskii functional have been studied in the literature giving rise to a new …

Adaptive robust control for a class of uncertain neutral systems with time delays and nonlinear uncertainties

D Zhao, Y Wang, L Xu, H Wu - … Journal of Control, Automation and Systems, 2021 - Springer
The problems of robust stabilization and adaptive robust controller design are considered for
a class of uncertain neutral systems with time delays and nonlinear uncertainties. In this …

A supervisory control scheme for uncertain constrained time-delay discrete-time linear systems

HR Ahmadzadeh, S Aghaei, V Puig - Journal of the Franklin Institute, 2023 - Elsevier
In this paper, a two-layer supervisory control scheme is proposed for discrete-time linear
systems with state/input constraints, including multiple state time-delays, parametric …

On the necessity of sufficient LMI conditions for time-delay systems arising from Legendre approximation

M Bajodek, A Seuret, F Gouaisbaut - Automatica, 2024 - Elsevier
This work is dedicated to the stability analysis of time-delay systems with a single constant
delay using the Lyapunov–Krasovskii theorem. This approach has been widely used in the …

Stability tests for neutral‐type delay systems: A delay Lyapunov matrix and piecewise linear approximation of the functional argument approach

G Portilla, IV Alexandrova… - International Journal of …, 2024 - Wiley Online Library
New necessary and sufficient stability tests for neutral‐type linear time delay systems are
presented. They are based on functionals with prescribed derivative depending on the delay …

Discretization of the functionals with prescribed derivative

AI Belov, IV Alexandrova - IFAC-PapersOnLine, 2022 - Elsevier
There are a number of recent results aimed at developing finite necessary and sufficient
stability tests for linear time-invariant time delay systems within the framework of Lyapunov …