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Affichage de 181 à 190 sur 1999

Article dans une revue

A Multiscale Topographical Surface Analysis of High Entropy Alloys Coatings by Laser Melting

Maxence Bigerelle, Anaïs Galliere, Yucelys Santana, Hervé Morvan, Mirentxu Dubar, Jean-François Trelcat, Laurent Boilet, Emmanuel Paris

High Entropy Alloys (HEAs) coatings obtained by laser melting (LM) technique were studied through a multiscale topographical surface analysis using a focus variation microscope. The laser melting creates a multiscale topography from under-powder size (incomplete or complete powder melting) to upper...

Materials, 2023, 16 (2), pp.629. ⟨10.3390/ma16020629⟩. ⟨hal-04489063⟩

Article dans une revue

Top-down Determination of Fluctuations in Topographic Measurements

Julie Lemesle, Clement Moreau, Raphael Deltombe, François Blateyron, Joseph Martin, Maxence Bigerelle, Christopher Brown

A top-down method is presented and studied for quantifying topographic map height (z) fluctuations directly from measurements on surfaces of interest. Contrary to bottom-up methods used in dimensional metrology, this method does not require knowledge of transfer functions and fluctuations of an...

Materials, 2023, 16 (2), pp.473. ⟨10.3390/ma16020473⟩. ⟨hal-04489042⟩

Article dans une revue

Improved high-order integral fast terminal sliding mode-based disturbance-observer for the tracking problem of PMSG in WECS

Chakib Chatri, Moussa Labbadi, Mohammed Ouassaid

The present paper proposes a high-order sliding mode control approach for wind turbine (WT) with a permanent magnet synchronous generator (PMSG) under complex situations. The suggested control approach uses a disturbance observer (DO) with a modified super-twisting integral fast terminal sliding...

International Journal of Electrical Power & Energy Systems, 2023, 144, pp.108514. ⟨10.1016/j.ijepes.2022.108514⟩. ⟨hal-03809811⟩

Article dans une revue

Vehicle Actuator Fault Detection With Finite-Frequency Specifications via Takagi-Sugeno Fuzzy Observers: Theory and Experiments

Juntao Pan, Tran Anh-Tu Nguyen, Thierry-Marie Guerra, Chouki Sentouh, Sujun Wang, Jean-Christophe Popieul

Abstract This article investigates the design of Takagi–Sugeno (TS) fuzzy model‐based observers for nonlinear systems with parametric uncertainties and unknown inputs. To address this challenging problem, two observers are constructed in cascade. Based on the sliding mode technique, the first...

IEEE Transactions on Vehicular Technology, 2023, 72 (1), pp.407-417. ⟨10.1109/TVT.2022.3204326⟩. ⟨hal-04278835⟩

Article dans une revue

A multi-agent system simulation based approach for collision avoidance in integrated Job-Shop Scheduling Problem with transportation tasks

Kader Sanogo, Abdelkader Mekhalef Benhafssa, M’hammed Sahnoun, Belgacem Bettayeb, Moussa Abderrahim, Abdelghani Bekrar

At the operational level of Flexible Manufacturing Systems (FMS), several research works have developed solutions not fully realizable considering the operational constraints, which can be difficult to model. One of the well-known problems in FMS is the Job-Shop Scheduling Problem (JSSP) with...

Journal of Manufacturing Systems, 2023, 68, pp.209-226. ⟨10.1016/j.jmsy.2023.03.011⟩. ⟨hal-04055057⟩

Article dans une revue

Martens hardness of Constantan thin films on (100) Si wafer: Improvement in contact area function in nanoindentation

Ayyoub Dziri, Alex Montagne, Francine Roudet, Katir Ziouche, Didier Chicot

This work presents a mechanical study by nanoindentation of Constantan thin films deposited by cathodic sputtering technique with an intermediate thin adhesion layer of titanium on a (100) silicon wafer substrate. A methodology based on a modified contact area function is proposed for a suitable...

Thin Solid Films, 2023, pp.139712. ⟨10.1016/j.tsf.2023.139712⟩. ⟨hal-03951065⟩

Article dans une revue

« Partis plateforme » versus « partis en réseau ». Analyse comparative du design de plateforme et du débat en ligne dans Rousseau et Decidim

Fabrizio Li Vigni, Enka Blanchard

Depuis une vingtaine d’années, les institutions représentatives, les partis politiques et les mouvements sociaux déploient des plateformes sur internet pour augmenter la participation citoyenne en matière de prise de décision. L’enrôlement de l’outil numérique dans les processus participatifs – qu’..., Depuis une vingtaine d’années, les institutions représentatives, les partis politiques et les mouvements sociaux déploient des plateformes sur internet pour augmenter la participation citoyenne en matière de prise de décision. L’enrôlement de l’outil numérique dans les processus participatifs – qu’...

Réseaux : communication, technologie, société, 2023, N° 236 (6), pp.57-93. ⟨10.3917/res.236.0057⟩. ⟨hal-03918251⟩

Article dans une revue

Design features of the kinematic chain of the ant exoskeleton

Santiago Arroyave-Tobon, Jordin Drapin, Jean-Marc Linares, Pierre Moretto

New challenges in engineering design are about resilience, frugality and sustainability. Nature offers remarkable examples of successful mechanical designs that respond to those constraints. Therefore, biological systems deserve to be explored from a design perspective. The study of design features...

Procedia CIRP, 2023, 119, pp.855-860. ⟨10.1016/j.procir.2023.01.019⟩. ⟨hal-04551171⟩

Article dans une revue

Highly stable fluorine-free slippery liquid infused surfaces

Anne-Sophie Vaillard, Manon Saget, Flavie Braud, Marc Lippert, Laurent Keirsbulck, Maude Jimenez, Yannick Coffinier, Vincent Thomy

A promising Slippery Liquid Infused Surface (SLIS) has been developed, that is both easy-to-produce and environmentally friendly. Using a double replication method, a 200 µm-thick texturized cross-linked PDMS film was obtained, leading to a grid of micrometric hills and deep wells. A comparison...

Surfaces and Interfaces, 2023, 42, Part A, pp.103296. ⟨10.1016/j.surfin.2023.103296⟩. ⟨hal-04215387⟩

Article dans une revue

An efficient scenario penalization matheuristic for a stochastic scheduling problem

Michel Vasquez, Mirsad Buljubasic, Saïd Hanafi

We propose a new scenario penalization matheuristic for a stochastic scheduling problem based on both mathematical programming models and local search methods. The application considered is an NP-hard problem expressed as a risk minimization model involving quantiles related to value at risk which...

Journal of Heuristics, 2023, 29, pp.383-408. ⟨10.1007/s10732-023-09513-y⟩. ⟨hal-04114125⟩