On the need for switched-gain observers for non-monotonic nonlinear systems

R Rajamani, W Jeon, H Movahedi, A Zemouche - Automatica, 2020 - Elsevier
This paper focuses on the challenges in observer design for nonlinear systems which are
non-monotonic. A class of nonlinear systems is considered in which the process dynamics …

On path-complete Lyapunov functions: Geometry and comparison

M Philippe, N Athanasopoulos, D Angeli… - … on Automatic Control, 2018 - ieeexplore.ieee.org
We study optimization-based criteria for the stability of switching systems, known as path-
complete Lyapunov functions, and ask the question “can we decide algorithmically when a …

Max–min Lyapunov functions for switched systems and related differential inclusions

M Della Rossa, A Tanwani, L Zaccarian - Automatica, 2020 - Elsevier
Starting from a finite family of continuously differentiable positive definite functions, we study
conditions under which a function obtained by max–min combinations is a Lyapunov …

Magnetic position estimation using optimal sensor placement and nonlinear observer for smart actuators

H Movahedi, A Zemouche, R Rajamani - Control Engineering Practice, 2021 - Elsevier
This paper focuses on position estimation in smart actuators using non-contacting magnetic
sensors. Magnetic position estimation in long-stroke actuators involves nonlinear non …

Characterization of the ordering of path-complete stability certificates with addition-closed templates

V Debauche, M Della Rossa, R Jungers - Proceedings of the 26th ACM …, 2023 - dl.acm.org
As part of the development of Lyapunov techniques for cyber-physical systems, we study
and compare graph-based stability certificates with respect to their conservatism. Previous …

Max-min Lyapunov functions for switching differential inclusions

M Della Rossa, A Tanwani… - 2018 IEEE Conference …, 2018 - ieeexplore.ieee.org
We use a class of locally Lipschitz continuous Lyapunov functions to establish stability for a
class of differential inclusions where the set-valued map on the right-hand-side comprises …

p-dominant switched linear systems

GO Berger, RM Jungers - Automatica, 2021 - Elsevier
This paper studies the asymptotic behavior of switched linear systems, beyond classical
stability. We focus on systems having a low-dimensional asymptotic behavior, that is …

A complete characterization of the ordering of path-complete methods

M Philippe, RM Jungers - Proceedings of the 22nd ACM International …, 2019 - dl.acm.org
We study criteria allowing to compare the conservativeness of stability certificates for
switching systems. The stability certificates under consideration are Path-Complete …

Necessary and Sufficient Conditions for Template-Dependent Ordering of Path-Complete Lyapunov Methods

V Debauche, M Della Rossa, RM Jungers - Proceedings of the 25th ACM …, 2022 - dl.acm.org
In the context of discrete-time switched systems, we study the comparison of stability
certificates based on path-complete Lyapunov methods. A characterization of this general …

Path-Complete -Dominant Switching Linear Systems

GO Berger, F Forni, RM Jungers - 2018 IEEE Conference on …, 2018 - ieeexplore.ieee.org
The notion of path-complete p-dominance for switching linear systems (in short, path-
dominance) is introduced as a way to generalize the notion of dominant/slow modes for LTI …