Necessary and sufficient stability conditions for linear systems with pointwise and distributed delays

AV Egorov, C Cuvas, S Mondié - Automatica, 2017 - Elsevier
A stability criterion for the exponential stability of systems with multiple pointwise and
distributed delays is presented. Conditions in terms of the delay Lyapunov matrix are …

Synthesis of Razumikhin and Lyapunov–Krasovskii approaches to stability analysis of time-delay systems

IV Medvedeva, AP Zhabko - Automatica, 2015 - Elsevier
In this paper, a necessary and sufficient condition for the exponential stability of linear
systems with several time-delays is presented. Such a condition is based on the construction …

Necessary stability conditions for linear delay systems

AV Egorov, S Mondié - Automatica, 2014 - Elsevier
We present necessary conditions for the exponential stability of linear systems with multiple
delays. They are expressed in terms of the delay Lyapunov matrix of the Lyapunov …

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 …

Lyapunov matrix based necessary and sufficient stability condition by finite number of mathematical operations for retarded type systems

MA Gomez, AV Egorov, S Mondié - Automatica, 2019 - Elsevier
A new necessary and sufficient exponential stability condition for systems with multiple
delays is presented. It is given in terms of a symmetric block matrix uniquely determined by …

Stability of neutral type delay systems: A joint Lyapunov–Krasovskii and Razumikhin approach

IV Alexandrova, AP Zhabko - Automatica, 2019 - Elsevier
In this paper, a new stability criterion for linear time-delay systems of neutral type is
presented. By virtue of the well-known Krasovskii theorem, the system is exponentially …

Necessary and sufficient stability conditions for integral delay systems

R Ortiz, A Egorov, S Mondié - International Journal of Robust …, 2022 - Wiley Online Library
A Lyapunov–Krasovskii functional with prescribed derivative whose construction does not
require the stability of the system is introduced. It leads to the presentation of …

A new necessary and sufficient stability condition for linear time-delay systems

AV Egorov - IFAC Proceedings Volumes, 2014 - Elsevier
This paper deals with linear time-invariant systems with multiple delays. We present a
necessary and sufficient stability condition, expressed in terms of the delay Lyapunov matrix …

A novel approach to robust stability analysis of linear time-delay systems

IV Medvedeva, AP Zhabko - IFAC-PapersOnLine, 2015 - Elsevier
In this paper, we demonstrate that the Lyapunov-Krasovskii functional, which does not admit
a quadratic lower bound, can be applied for the robust exponential stability analysis as well …

What ODE-approximation schemes of time-delay systems reveal about Lyapunov-Krasovskii functionals

TH Scholl, V Hagenmeyer… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The article proposes an approach to complete-type and related Lyapunov-Krasovskii
functionals that neither requires knowledge of the delay Lyapunov matrix function nor does it …