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Affichage de 181 à 190 sur 2006

Article dans une revue

Experimental assessment on the performance, emission and combustion characteristics of a safflower oil fueled CI engine with hydrogen gas enrichment

V. Praveena, Femilda Josephin Joseph Shobana Bai, Dhinesh Balasubramanian, Yuvarajan Devarajan, Fethi Aloui, Edwin Geo Varuvel

Inducting hydrogen with biodiesel in a compression ignition (CI) engine contributes to improvising the performance characteristics of the engine and minimize long-term issues. Combustion of hydrogen along with intake air impacts positively in air quality by preventing the formation of toxic...

Fuel, 2023, 334, pp.126682. ⟨10.1016/j.fuel.2022.126682⟩. ⟨hal-04163850⟩

Article dans une revue

Distributed Predefined-Time Optimization for Second-Order Systems under Detail-Balanced Graphs

Pablo de Villeros, Juan Diego Sánchez-Torres, Aldo Jonathan Muñoz-Vázquez, Michael Defoort, Guillermo Fernández-Anaya, Alexander Loukianov

This paper studies the problem of distributed predefined-time optimization for leaderless consensus of second-order multi-agent systems under a class of weighted digraphs. The proposed framework has two main steps. In the first step, the agents communicate to perform a consensus-based distributed...

Machines, 2023, 11 (2), pp.299. ⟨10.3390/machines11020299⟩. ⟨hal-04217709⟩

Article dans une revue

Multi-scale mechanical characterization of the interface in 3D printed concrete

M. Taleb, D. Bulteel, Damien Betrancourt, Francine Roudet, S. Rémond, A. Montagne, Didier Chicot

To be printable, the cementitious ink may have contradictory properties. It must be fluid enough initially to be pumpable and extrudable, also should stiffen quickly after deposition to be buildable. This could be influential, along with other printing parameters, on its interlayer zone. Thus, the...

Materials and structures, 2023, 56 (1), pp.1-16. ⟨10.1617/s11527-023-02114-y⟩. ⟨hal-03962200⟩

Article dans une revue

Characterization of local mechanical properties of Al/Cu Magnetic Pulse Welded joints under high strain rates using synchrotron X-ray imaging, Caractérisation locale des propriétés mécanique de soudures Al/Cu produites par Soudage par Impulsion Magnétique sous haute-vitesses de déformation et imagerie à rayons-X synchrotron

Benjamin Zielinski, Tarik Sadat, Bratislav Lukić, Grégory Haugou, Hervé Morvan, Alexander Rack, Eric Markiewicz, Laurent Dubar

Magnetic Pulse Welding (MPW) is a method of growing interest allowing the joining of dissimilar materials such as aluminum and copper. The global mechanical properties of the joint are often evaluated with conventional tests, using the fully welded joint. However, these cannot elucidate the local..., Le Soudage par Impulsion Magnétique (SIM) est une méthode dont l'intérêt est croissant permet de joindre des matériaux dissimilaires tels que l'aluminium et le cuivre. Les propriétés mécaniques globales des soudures sont souvent évaluées au travers de tests conventionnels, en utilisant le...

Materials Letters, 2023, 337, pp.133943. ⟨10.1016/j.matlet.2023.133943⟩. ⟨hal-04085480⟩

Article dans une revue

Sensorimotor Time Delay Estimation by EMG Signal Processing in People Living with Spinal Cord Injury

Seyed Mohammadreza Shokouhyan, Mathias Blandeau, Laura Wallard, Thierry Marie Guerra, Philippe Pudlo, Dany H Gagnon, Franck Barbier

Neuro mechanical time delay is inevitable in the sensorimotor control of the body due to sensory, transmission, signal processing and muscle activation delays. In essence, time delay reduces stabilization efficiency, leading to system instability (e.g., falls). For this reason, estimation of time...

Sensors, 2023, 23 (3), pp.1132. ⟨10.3390/s23031132⟩. ⟨hal-03980618⟩

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

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⟩

Article dans une revue

Event-Triggered Robust Path Tracking Control Considering Roll Stability Under Network-Induced Delays for Autonomous Vehicles

Fernando Viadero-Monasterio, Tran Anh-Tu Nguyen, Jimmy Lauber, Maria Jesus L. Boada, Beatriz Boada

This paper proposes a multi-input multi-output (MIMO) method for path tracking control of autonomous vehicles under network-induced delays while taking into account the roll dynamics to improve both the driving safety and the passenger comfort. The steering control is directly applied to the front...

IEEE Transactions on Intelligent Transportation Systems, 2023, pp.1. ⟨10.1109/TITS.2023.3321415⟩. ⟨hal-04278779⟩