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

K Ammari, I Boussaada, SI 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 …

Over-order multiplicities and their application in controlling delay dynamics. On zeros' distribution of linear combinations of Kummer hypergeometric functions

I Boussaada, G Mazanti, SI Niculescu - … : Control, Optimisation and …, 2024 - esaim-cocv.org
A series of recent works have shown that, for a system of linear functional differential
equations, a spectral value having a multiplicity exceeding the order of the system tends to …

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 …

Mid property for delay systems: Insights on spectral values with intermediate multiplicity

I Boussaada, G Mazanti, SI Niculescu… - 2022 IEEE 61st …, 2022 - ieeexplore.ieee.org
This paper focuses on the problem of multiplicity induced dominancy (MID) for a class of
linear time-invariant systems represented by delay-differential equations. If the problem of …

Over one century of spectrum analysis in delay systems: an overview and new trends in pole placement methods

A Benarab, I Boussaada, SI Niculescu, K Trabelsi - IFAC-PapersOnLine, 2022 - Elsevier
Pole placement represents a classical method for controlling finite-dimensional linear time-
invariant systems, largely covered in the open literature. Basically, it consists of placing the …

Multiplicity manifolds as an opening to prescribe exponential decay: auto-regressive boundary feedback in wave equation stabilization

K Ammari, I Boussaada, SI Niculescu, S Tliba - 2023 - hal.science
Exploring a more than 70 years old idea about the minimization of the spectral abscissa of
linear functional differential equations, a series of recent works highlighted the insights that …

Decay rate assignment through multiple spectral values in delay systems

I Boussaada, G Mazanti, SI Niculescu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper focuses on a spectral property for linear time-invariant (LTI) dynamical systems
represented by delay-differential equations (DDEs) entitled multiplicity-induced-dominancy …

Rolling balance board robust stabilization: a mid-based design

A Benarab, CA Molnar, I Boussaada, K Trabelsi… - IFAC-PapersOnLine, 2022 - Elsevier
This paper considers the stabilization of a rolling balance board by means of the multiplicity-
induced-dominancy property. A two degree-of-freedom mechanical model of a human …

Stochastic Models of Diagnostic Signals Arising During the Operation of Electrical Equipment

V Babak, S Babak, A Zaporozhets - Statistical Diagnostics of Electric …, 2024 - Springer
This chapter presents a comprehensive mathematical framework for the analysis and
diagnostic application of vibration and acoustic emission (AE) signals in electrical …

Central nervous system action on rolling balance board robust stabilization: Computer algebra and mid-based feedback design

KL Trabelsi, I Boussaada, A Benarab, C Molnar… - … Conference on Control …, 2023 - Springer
Using the computer algebra system Maple, we consider the stabilization of a rolling balance
board by means of the multiplicity-induced-dominancy (MID) property. The human stance on …