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Affichage de 471 à 480 sur 1990

Article dans une revue

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

Tomas Menard, Syed Ali Ajwad, 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…

Automatica, 2020, 121, pp.109176. ⟨10.1016/j.automatica.2020.109176⟩. ⟨hal-02974230⟩

Article dans une revue

Constrained Output-Feedback Control for Discrete-Time Fuzzy Systems With Local Nonlinear Models Subject to State and Input Constraints

Tran Anh-Tu Nguyen, Pedro Coutinho, Thierry-Marie Guerra, Reinaldo Martinez Palhares, Jun-Tao Pan

This article presents a new approach to design static output-feedback (SOF) controllers for constrained Takagi-Sugeno fuzzy systems with nonlinear consequents. The proposed SOF fuzzy control framework is established via the absolute stability theory with appropriate sector-bounded properties of the…

IEEE Transactions on Cybernetics, 2020, 51 (9), pp.4673-4684. ⟨10.1109/TCYB.2020.3009128⟩. ⟨hal-03424920⟩

Article dans une revue

Strength and failure of an aluminum/PA66 self-piercing riveted assembly at low and moderate loading rates: Experiments and modeling

Nicolas Leconte, Benjamin Bourel, Franck Lauro, Claudiu Badulescu, Eric Markiewicz

The self piercing riveting (SPR) process is increasingly used in the automotive industry due to its ability to connect multi-materials for weight reduction considerations. The strength and failure of such multi-material assemblies need to be characterized and modelled for full-scale structural…

International Journal of Impact Engineering, 2020, 142, pp.103587-1 - 103587-23. ⟨10.1016/j.ijimpeng.2020.103587⟩. ⟨hal-02638901⟩

Article dans une revue

Behavior of the square-back Ahmed body global modes at low ground clearance

Baptiste Plumejeau, Laurent Keirsbulck, Sebastien Delprat, Marc Lippert, Wafik Abassi

The present work aims to study the evolution of the wake-flow dynamic, including the shear-layers interactions phenomena and the global modes behavior of a square-back Ahmed body with a width to height aspect ratio, w/h, of 1.346. Various ground-clearance configurations around the critical case…

Physical Review Fluids, 2020, 5 (8), ⟨10.1103/PhysRevFluids.5.084701⟩. ⟨hal-03342285⟩

Article dans une revue

Fracture rate dependency of an adhesive under dynamic loading

Noëlig Dagorn, Gérald Portemont, Vincent Joudon, Benjamin Bourel, Franck Lauro

Adhesive joints are widely developed in aeronautic and automotive design applications. When subjected to impact loading, the rate sensitivity of adhesively bonded joints becomes a subject of interest. In this study, the Mode I fracture behavior of an aeronautic adhesive is characterized. Double…

Engineering Fracture Mechanics, 2020, 235, pp.107082. ⟨10.1016/j.engfracmech.2020.107082⟩. ⟨hal-03186844⟩

Article dans une revue

Predicting manual wheelchair initiation movement with EMG activity during over ground propulsion

Soufien Chikh, Samuel Boudet, Antonio Pinti, Cyril Garnier, Rawad El Hage, Fairouz Azaiez, Eric Watelain

Context/Objective: This is a preliminary study of movement finalities prediction in manual wheelchairs (MWCs) from electromyography (EMG) data. MWC users suffer from musculoskeletal disorders and need assistance while moving. The purpose of this work is to predict the direction and speed of…

Journal of Spinal Cord Medicine, 2020, 45 (2), pp.262-269. ⟨10.1080/10790268.2020.1778352⟩. ⟨hal-03027969⟩

Article dans une revue

Effect of sensory stimulation applied under the great toe on postural ability in patients with fibromyalgia

Frédéric Viseux, Daniel Martins, Philippe Villeneuve, Pascal Charpentier, Leandra de Sant’anna E Silva, Afonso Salgado, Antoine Lemaire

Fibromyalgia (FM) is a chronic pain syndrome, characterised by several symptoms. One of the most prevalent symptoms in FM is balance impairment that compromise the autonomy, function and performance status of patients. Purpose: The main objective of the present study was to evaluate the effect of…

Somatosensory and Motor Research, 2020, 37 (3), pp.172-179. ⟨10.1080/08990220.2020.1765767⟩. ⟨hal-03462734⟩

Article dans une revue

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⟩

Article dans une revue

A non-triangular hub location problem

Jack Brimberg, Nenad Mladenovic, Raca Todosijević, Dragan Urošević

Hub location problems generally assume that the triangle inequality applies on the edges of a complete graph. Hence the flow between any pair of nodes requires at most two hubs for the transfer process. Here we relax the triangle inequality restriction and present two new formulations of the…

Optimization Letters, 2020, 14 (1), ⟨10.1007/s11590-019-01392-2⟩. ⟨hal-03584777⟩

Article dans une revue

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⟩