Publications

• ART

Quantification of the Morphological Signature of Roping Based on Multiscale Analysis and Autocorrelation Function Description

Julie Marteau, Raphaël Deltombe, Maxence Bigerelle

Roping or ridging is a visual defect affecting the surface of ferritic stainless steels, assessed using visual inspection of the surfaces. The aim of this study was to quantify the morphological signature of roping to link roughness results with five levels of roping identified with visual…

Materials, 2020, 13 (13), pp.3040. ⟨10.3390/ma13133040⟩. ⟨hal-02968738⟩

• UNDEFINED

Leader-following consensus for multi-agent systems with nonlinear dynamics subject to additive bounded disturbances and asynchronously sampled outputs (long version)

Tomas Menard, Ali Syed, Emmanuel Moulay, Patrick Coirault, Michael Defoort

This paper is concerned with the leader-following consensus problem for a class of Lipschitz nonlinear multi-agent systems with uncertain dynamics, where each agent only transmits its noisy output, at discrete instants and independently from its neighbors. The proposed consensus protocol is based…

2020. ⟨hal-02886087⟩

• ART

Privacy stochastic games in distributed constraint reasoning.

Julien Savaux, Julien Vion, Sylvain Piechowiak, René Mandiau, Toshihiro Matsui, Katsutoshi Hirayama, Makoto Yokoo, Shakre Elmane, Marius Silaghi

In this work, we approach the issue of privacy in distributed constraint reasoning by studying how agents compromise solution quality for preserving privacy, using utility and game theory. We propose a utilitarian definition of privacy in the context of distributed constraint reasoning, detail its…

Annals of Mathematics and Artificial Intelligence, 2020, 88 (7), pp.691-715. ⟨10.1007/s10472-019-09628-8⟩. ⟨hal-03396820⟩

• ART

Toward real-time road detection for autonomous vehicles.

Yazid Lachachi, Mohamed Ouslim, Smail Niar, Abdelmalik Taleb-Ahmed

Road detection is a vital task for autonomous vehicles, as it has a direct link to passengers’ safety. Given its importance, researchers aimed to improve its accuracy and robustness. We look at the task from a holistic point of view, where we aim to balance computation and accuracy. A multimodal…

Journal of Electronic Imaging, 2020, 29 (04), pp.043022. ⟨10.1117/1.JEI.29.4.043022⟩. ⟨hal-03396786⟩

• COMM

Exponential stability criteria for neural network based control of nonlinear systems

Ayush Kumar Jain, Christophe Fiter, Denis Berdjag, Philippe Polet

This paper investigates the problem of exponential stability of neural network controlled sampled-data systems. The stability of the closed loop system is formulated using Lyapunov-Krasovskii approach. Using a time-dependent Lyapunov function, novel conditions are proposed to guarantee the…

2020 American Control Conference (ACC), Jul 2020, Denver, United States. pp.1631-1636, ⟨10.23919/ACC45564.2020.9147848⟩. ⟨hal-03406028⟩

• COMM

Stability of Nonlinear Switched Systems on Non-uniform Time Domains with Application to Multi-Agents Consensus

Fatima Zohra Taousser, Seddik M Djouadi, Kevin Tomsovic, Mohamed Djemai

A recent development in Lyapunov stability theory allows for analysis of switched systems evolving on nonuniform time domains, called Time Scales. We will present new sufficient conditions to guarantee the stability of a special class of switched systems, between continuous-time subsystems (on…

2020 American Control Conference (ACC), Jul 2020, Denver, Colorado, United States. pp.2864-2869, ⟨10.23919/ACC45564.2020.9147620⟩. ⟨hal-03698182⟩

• COMM

Observer-based output feedback consensus protocol for double-integrator multi-agent systems under intermittent sampled positionmeasurements

Dylan Poulsen, Michael Defoort, Mohamed Djemai

This paper deals with the leader-follower consensus problem for double-integrator multi-agent systems using sampled position data information. An observer-based output feedback controller is designed to study this problem while taking into account intermittent sensor failures. The non-uniformity…

21st IFAC World Congress, Jul 2020, Berlin, Germany. ⟨hal-03405456⟩

• ISSUE

Équipes industrielles en IA

Pierre Feillet, Claire Lefèvre, Emmanuel Adam, Dominique Longin

Bulletin de l'Association Française pour l'Intelligence Artificielle, 109, 2020, Association Française pour l’Intelligence Artificielle. ⟨hal-04567135⟩

• ART

Fuzzy Static Output Feedback Control for Path Following of Autonomous Vehicles With Transient Performance Improvements

Tran Anh-Tu Nguyen, Chouki Sentouh, Hui Zhang, Jean-Christophe Popieul

This paper provides a new solution for path following control of autonomous ground vehicles. H 2 control problem is considered to attenuate the effect of the road curvature disturbance. To this end, we formulate a standard model from the road-vehicle dynamics, the a priori knowledge on the road…

IEEE Transactions on Intelligent Transportation Systems, 2020, 21 (7), pp.3069-3079. ⟨10.1109/TITS.2019.2924705⟩. ⟨hal-03468394⟩

• ART

Muscular Maximal Strength Indices and Bone Variables in a Group of Elderly Women

Riad Nasr, N. Rassy, Eric Watelain, Joseph Matta, Fabienne Frenn, Maroun Rizkallah, Ghassan Maalouf, César El Khoury, Abdel Jalil Berro, Rawad El Hage

The aim of the present study was to explore the relations between muscular maximal strength indices and bone parameters (bone mineral density [BMD], hip geometry indices, and trabecular bone score [TBS]) in a group of elderly women. This study included 35 healthy elderly women whose ages range…

Journal of Clinical Densitometry, 2020, 23 (3), pp.465-471. ⟨10.1016/j.jocd.2018.03.003⟩. ⟨hal-03027992⟩