A new stability criterion and its application to robust stability analysis for linear systems with distributed delays

DA Kudryakov, IV Alexandrova - Automatica, 2023 - Elsevier
Recently, the possibility to verify positive definiteness of Lyapunov–Krasovskii functionals
only on a specific Razumikhin-type set of functions to conclude on the stability of linear time …

A new LKF approach to stability analysis of linear systems with uncertain delays

IV Alexandrova, AP Zhabko - Automatica, 2018 - Elsevier
In this paper, we analyze the asymptotic stability of linear systems with multiple uncertain
delays assuming the nominal delays to be constant with possible zero or nonzero values …

Complete type functionals for homogeneous time delay systems

AP Zhabko, IV Alexandrova - Automatica, 2021 - Elsevier
For linear time-invariant time delay systems, the so-called Lyapunov–Krasovskii functionals
of complete type (Kharitonov and Zhabko, 2003) are known to be effective in the stability …

Robust stability analysis for linear systems with distributed delays: a time‐domain approach

L Juárez, IV Alexandrova… - International Journal of …, 2020 - Wiley Online Library
This work is devoted to the robust stability analysis of linear systems with distributed delays.
The approach is based on recent results in the Lyapunov‐Krasovskii framework, where a …

[HTML][HTML] New robustness bounds for neutral type delay systems via functionals with prescribed derivative

IV Alexandrova - Applied Mathematics Letters, 2018 - Elsevier
The paper is devoted to the robust stability analysis of linear neutral type time delay systems
with a constant delay and norm-bounded uncertainties. The method is based on the …

At the junction of Lyapunov-Krasovskii and Razumikhin approaches

IV Alexandrova, AP Zhabko - IFAC-PapersOnLine, 2018 - Elsevier
In this paper, a modification of the Krasovskii theorem for a nonlinear class of systems is
presented. The idea is to replace the positive definiteness condition of the functional with …

Robust Stability Analysis for Integral Delay Systems: A Complete Type Functional Approach

R Ortiz, A Egorov, S Mondié - IEEE Transactions on Automatic …, 2023 - ieeexplore.ieee.org
In this article, we analyze the robust stability of integral delay systems with a single delay.
We first derive a general result based on the complete type functional that depends on the …

[HTML][HTML] On the robustness and estimation of the attraction region for a class of nonlinear time delay systems

IV Alexandrova - Applied Mathematics Letters, 2020 - Elsevier
A new Lyapunov matrix based approach to the robustness analysis developed in recent
years for linear time delay systems is nontrivially extended to address some problems of …

Lyapunov-Krasovskii Functionals of Robust Type for the Stability Analysis in Time-Delay Systems

TH Scholl - arXiv preprint arXiv:2312.16738, 2023 - arxiv.org
Inspired by the widespread theory of complete-type Lyapunov-Krasovskii functionals, the
article considers an alternative class of Lyapunov-Krasovskii functionals that intends to …

Lyapunov direct method for homogeneous time delay systems

AP Zhabko, IV Alexandrova - IFAC-PapersOnLine, 2019 - Elsevier
In this note, nonlinear time delay systems with homogeneous right-hand sides of degree
greater than one and a constant delay are studied. Under an assumption that the …