Spectrum analysis of LTI continuous-time systems with constant delays: A literature overview of some recent results

L Pekař, Q Gao - IEEE Access, 2018 - ieeexplore.ieee.org
In recent decades, increasingly intensive research attention has been given to dynamical
systems containing delays and those affected by the after-effect phenomenon. Such …

PID control design for first-order delay systems via MID pole placement: Performance vs. robustness

D Ma, I Boussaada, J Chen, C Bonnet, SI Niculescu… - Automatica, 2022 - Elsevier
The PID control is favored in controlling industrial processes for its ease of implementation.
In this paper we present an analytical study, with an aim at stability robustness, tracking …

Multiplicity-induced-dominancy in parametric second-order delay differential equations: Analysis and application in control design

I Boussaada, SI Niculescu, A El-Ati… - … and Calculus of …, 2020 - esaim-cocv.org
This work revisits recent results on maximal multiplicity induced-dominancy for spectral
values in reduced-order time-delay systems and extends it to the general class of second …

Conditions for stabilizability of time‐delay systems with real‐rooted plant

T Balogh, I Boussaada, T Insperger… - … Journal of Robust …, 2022 - Wiley Online Library
In this article we consider the‐stabilization of n th‐order linear time‐invariant dynamical
systems using multiplicity‐induced‐dominancy‐based controller design in the presence of …

Stability analysis of systems with delay-dependent coefficients: An overview

C **, K Gu, SI Niculescu, I Boussaada - IEEE Access, 2018 - ieeexplore.ieee.org
This paper gives an overview of the stability analysis of systems with delay-dependent
coefficients. Such systems are frequently encountered in various scientific and engineering …

On controllers performance for a class of time-delay systems: Maximum decay rate

G Oaxaca-Adams, R Villafuerte-Segura - Automatica, 2023 - Elsevier
This paper states some results aiming at finding the parameters of a controller that provides
the maximum decay rate of the closed-loop response for a linear time-invariant time-delay …

Prescribing transport equation solution's decay via multiplicity manifold and autoregressive boundary control

K Ammari, I Boussaada, S Niculescu… - International Journal of …, 2024 - Wiley Online Library
This article addresses the boundary control problem of the transport equation. Namely, we
propose a control method, which is merely a delayed output feedback relying on a partial …

Multiplicity-induced-dominancy for delay-differential equations of retarded type

G Mazanti, I Boussaada, SI Niculescu - Journal of Differential Equations, 2021 - Elsevier
An important question of ongoing interest for linear time-delay systems is to provide
conditions on its parameters guaranteeing exponential stability of solutions. Recent works …

Real spectral values coexistence and their effect on the stability of time-delay systems: Vandermonde matrices and exponential decay

F Bedouhene, I Boussaada… - Comptes …, 2020 - comptes-rendus.academie-sciences …
This work exploits structural properties of a class of functional Vandermonde matrices to
emphasize some qualitative properties of a class of linear autonomous nth order differential …

Multiplicity-induced-dominancy for delay systems: Comprehensive examples in the scalar neutral case

A Benarab, I Boussaada, SI Niculescu… - European Journal of …, 2023 - Elsevier
This article focuses on the characterization of a particular spectral property called Multiplicity-
induced-dominancy applying for linear dynamical systems described by delay-differential …