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Affichage de 1081 à 1090 sur 5612

Article dans une revue

Avoiding Unmeasured Premise Variables in Designing Unknown Input Observers for Takagi–Sugeno Fuzzy Systems

Tran Anh-Tu Nguyen, Juntao Pan, Thierry-Marie Guerra, Zhenhua Wang

This letter investigates the design of unknown input (UI) observers for a large class of nonlinear systems using Takagi-Sugeno (TS) fuzzy modeling. To avoid the well-known issue on the unmeasured premise variables in fuzzy observer design, we reformulate the nonlinear systems in a TS fuzzy form…

IEEE Control Systems Letters, 2021, 5 (1), pp.79-84. ⟨10.1109/LCSYS.2020.2999028⟩. ⟨hal-04307203⟩

Article dans une revue

Unknown Input Observer Based Approach for Distributed Tube-Based Model Predictive Control of Heterogeneous Vehicle Platoons

Qianyue Luo, Tran Anh-Tu Nguyen, James Fleming, Hui Zhang

This paper addresses the control problem of heterogeneous vehicle platoons subject to disturbances and modeling errors. The objective is to guarantee spatial-geometry constraints of vehicles in a platoon. We deal with the case where a predecessor-leader following (PLF) communication topology is…

IEEE Transactions on Vehicular Technology, 2021, 70 (4), pp.2930-2944. ⟨10.1109/TVT.2021.3064680⟩. ⟨hal-03710659v2⟩

Article dans une revue

Self adaptive learning scheme for early diagnosis of simple and multiple switch faults in multicellular power converters

Houari Toubakh, Moamar Sayed-Mouchaweh, Mohammed Benmiloud, Michael Defoort, Mohamed Djemai

This paper proposes a scheme based on the use of unsupervised machine learning approach and a drift detection mechanism in order to perform an early fault diagnosis of simple and multiple stuck-opened/stuck-closed switches in multicellular converters. Only the data samples representing the normal…

ISA Transactions, 2021, 113, pp.222-231. ⟨10.1016/j.isatra.2020.03.025⟩. ⟨hal-03225092⟩

Article dans une revue

Review on Dynamic Recrystallization of Martensitic Stainless Steels during Hot Deformation: Part I—Experimental Study

Hamed Aghajani Derazkola, Eduardo Garcia, Alberto Murillo-Marrodán, Damien Méresse

The evolution of the microstructure changes during hot deformation of high-chromium content of stainless steels (martensitic stainless steels) is reviewed. The microstructural changes taking place under high-temperature conditions and the associated mechanical behaviors are presented. During the…

Metals, 2021, 11 (4), pp.572. ⟨10.3390/met11040572⟩. ⟨hal-03446614⟩

Communication dans un congrès

De l'Utilisation des Métagraphes pour la Vérification de Politiques de Sécurité

Loïc Miller, Pascal Mérindol, Antoine Gallais, Cristel Pelsser

Les processus métier multi-agents aux interactions complexes sont généralement modélisés en tant que workflows. Le propriétaire des données confidentielles interagit avec des sous-traitants pour réaliser une séquence de tâches, en déléguant aux différents acteurs des droits limités sur les données…

ALGOTEL 2021 — 23èmes Rencontres Francophones sur les Aspects Algorithmiques des Télécommunications, 2021, La Rochelle, France. ⟨hal-03220092⟩

Article dans une revue

Mechanical Properties of Spark Plasma Sintering-Processed Pure Ti and Ti-6Al-4V Alloys: A Comparative Study between Harmonic and Non-Harmonic Microstructures

Tarik Sadat, Kyohei Hayashi, Grégory Haugou, Hervé Morvan, Eric Markiewicz, Laurent Dubar, Maxence Bigerelle, Kei Ameyama, Guy Dirras

Microstructure characteristics and compressive property relationships of so-called harmonic (composed by fine and coarse grains) and conventional pure titanium (Ti) and Ti-6Al-4V alloy processed by powder metallurgy route are presented in the present work. Electron backscatter diffraction (EBSD)…

Compounds, 2021, 1 (1), pp.41-57. ⟨10.3390/compounds1010005⟩. ⟨hal-03447149⟩

Communication dans un congrès

Vers une conception centrée sur l’utilisateur ayant un profil évolutif : Une étude de cas avec des personnes atteintes de la maladie de Parkinson, Towards a user-centered design with an evolving profile: A case study with people with Parkinson’s disease

Sophie Lepreux, Kodzo Apedo, Káthia Marçal de Oliveira

Fournir une assistance aux personnes atteintes de maladies évolutives, comme la maladie de Parkinson, représente un défi majeur. Les besoins de ces utilisateurs changent d’un moment à l’autre sur une période courte, moyenne ou longue. Notre étude se concentre sur les troubles de la communication…, Providing assistance to people with progressive diseases, such as Parkinson’s disease, is a major challenge. The needs of these users change from moment to moment over a short, medium or long period. Our study focuses on communication disorders in people with Parkinson’s disease. In order to…

32e conférence francophone sur l'Interaction Humain-Machine (IHM'20.21), Apr 2021, Virtual Event, France. pp.11:1-6, ⟨10.1145/3451148.3458646⟩. ⟨hal-03562168⟩

Rapport

Tactical capacity planning in an integrated multi-stakeholder freight transportation system

Taherkhani Gita, Ioana Bilegan, Teodor Gabriel Crainic, Michel Gendreau, Rei Walter

This study focuses on investigating tactical planning of an integrated multi-stakeholder system. The system receives time-dependent requests from carriers and shippers and optimizes in time and space the operations and transportation activities through consolidation of loads of different shippers…

[Research Report] 34, Centre interuniversitaire de recherche sur les reseaux d'entreprise, la logistique et le transport (CIRRELT). 2021. ⟨hal-03391635⟩

Article dans une revue

Evaluation of risk factors for fall in elderly using Bayesian networks: A case study

Gulshan Sihag, Véronique Delcroix, Emmanuelle Grislin-Le Strugeon, Xavier Siebert, Sylvain Piechowiak, Cédric Gaxatte, François Puisieux

Background: Falls in the elderly are the number one cause of traumatic death in this population. Prevention of falls requires to evaluate which risk factors for fall are present for a person on the basis of available health information. Our objective is to predict the presence or the absence of 12…

Computer Methods and Programs in Biomedicine Update, 2021, 1, pp.100035. ⟨10.1016/j.cmpbup.2021.100035⟩. ⟨hal-03528102⟩

Article dans une revue

Adaptative vital signs monitoring system based on the early warning score approach in smart hospital context

Imen Ben Ida, Moez Balti, Sondès Chaabane, Abderrazak Jemai

Changes in vital signs are an important indicator of physiological decline and provide opportunities for early recognition and intervention. The collected vital signs data can be evaluated using several approaches such as the Early warning score (EWS) approach to predict the risk level of patients…

IET Smart Cities, 2021, 3 (1), pp.16-28. ⟨10.1049/SMC2.12004⟩. ⟨hal-03424502⟩