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Affichage de 1221 à 1230 sur 5386

  • Article dans une revue

Particulate emissions measurements by laser-based techniques in a boiler fueled by wood pellets

Salma Bejaoui, Marie Creyx, Eric Delacourt, Céline Morin, Eric Therssen

This paper describes mainly laser-based techniques applied to a boiler fueled by wood pellets which is a real complicated combustion system. To our knowledge, laser-induced incandescence (LII) and extinction are used to characterize particulate emission at the exhaust for the first time because…

Applied Physics B - Laser and Optics, 2020, 126 (1), ⟨10.1007/s00340-019-7350-5⟩. ⟨hal-03440947⟩

  • Article dans une revue

Valuing free-form text data from maintenance logs through transfer learning with CamemBERT

Juan Pablo Usuga Cadavid, Bernard Grabot, Samir Lamouri, Robert Pellerin

Coupling a production scheduling process with maintenance logs can provide important advantages. For instance, this enables the adaptation of planning to the reality of the shop floor. Nevertheless, maintenance logs are often highly unstructured, as they mainly rely on free-form text comments from…

Enterprise Information Systems, 2020, pp.1-29. ⟨10.1080/17517575.2020.1790043⟩. ⟨hal-03426807⟩

  • Chapitre d'ouvrage

Trusting Security When Sharing Knowledge?

Pierre-Emmanuel Arduin, Bako Rajaonah, Káthia Marçal de Oliveira

This chapter tackles knowledge sharing by focusing on security and trust issues. Although trust is recognized as important in security issues, few studies on information systems (ISs) deal with both trust and security. Knowledge sharing relies on sense-giving and sense-reading processes which…

Knowledge, People, and Digital Transformation, pp.163-181, 2020, ⟨10.1007/978-3-030-40390-4_11⟩. ⟨hal-02953836⟩

  • Communication dans un congrès

Let My Car Alone: Parking Strategies with Social-Distance Preservation in the Age of COVID-19

Thierry Delot, Sergio Ilarri

Searching for an available parking space is a time-consuming and frustrating task for drivers, which also leads to huge amounts of fuel waste. Far from being solved, as the COVID-19 crisis slowly resolves, we can expect an increase in the use of private cars in comparison with public transportation…

International Conference on Emerging Ubiquitous Systems and Pervasive Networks (EUSPN 2020), Nov 2020, Madeira, Portugal. pp.143-150, ⟨10.1016/j.procs.2020.10.022⟩. ⟨hal-03382318⟩

  • Communication dans un congrès

Control of an automated wheelchair

Michael Gray, Thierry-Marie Guerra, Sebastien Delprat, Sami Mohammad

Due to the world’s aging population, the development of affordable and easy to use wheelchairs is becoming a priority. In this study, the control of an automated wheelchair is proposed. The model equations are derived from the Euler-Lagrange equations, then a descriptor model is formulated. Next, a…

The proceedings of the 21th IFAC World Congress 2020, Jul 2020, Berlin, Germany. pp.7971-7976. ⟨hal-03406102⟩

  • Article dans une revue

Less is more approach: basic variable neighborhood search for the obnoxious p -median problem

Nenad Mladenovic, Abdulaziz Alkandari, Jun Pei, Raca Todosijević, Panos M. Pardalos

The goal of the less is more approach (LIMA) for solving optimization problems that has recently been proposed in Mladenović et al. (2016) is to find the minimum number of search ingredients that make a heuristic more efficient than the currently best. In this paper, LIMA is successfully applied to…

International Transactions in Operational Research, 2020, 27 (1), pp.480-493. ⟨10.1111/itor.12646⟩. ⟨hal-03400344⟩

  • Article dans une revue

Variations in Patterns of Muscle Activity Observed in Participants Walking in Everyday Environments: Effect of Different Surfaces

Julien Lebleu, Ross Parry, Camille Bertouille, Marine de Schaetzen, Philippe Mahaudens, Laura Wallard, Christine Detrembleur

Purpose: The purpose of this study was to examine variations in lower limb surface electromyography (EMG) activity when individuals walked on different outdoor surfaces and to characterize the different potential motor strategies. Method: Forty healthy adult participants walked at a self-selected…, Objectif : examiner les variations à l’activité électromyographique (EMG) de surface des membres inférieurs lorsqu’une personne marche sur diverses surfaces extérieures et caractériser les diverses stratégies motrices potentielles. Méthodologie : au total, 40 participants adultes en santé ont…

Physiotherapy Canada, 2020, 73 (3), pp.268-275. ⟨10.3138/ptc-2019-0097⟩. ⟨hal-03462815⟩

  • Article dans une revue

Characterization of particulate matter emissions in urban train braking - An investigation of braking conditions influence on a reduced-scale device

Charlène Octau, Damien Méresse, Michel Watremez, Jesse Schiffler, Marc Lippert, Laurent Keirsbulck, Laurent Dubar

The particulate matter emissions related to the braking of railway rolling stock are investigated using a reduced scale braking device. Samples of organic materials and cast iron discs are tested for different nominal contact pressures and disc surface temperatures, representative of real…

Environmental Science and Pollution Research, 2020, 27 (15), pp.18615-18631. ⟨10.1007/s11356-020-08337-8⟩. ⟨hal-03440107⟩

  • Article dans une revue

Analysis of surface roughness morphology with TRIZ methodology in automotive electrical contacts: Design against third body fretting-corrosion

T. W. Liskiewicz, K. J. Kubiak, D. L. Mann, Thomas Mathia

Electrical connectors for motor vehicles are essential for the safe and efficient operation of a vehicle. However, their durability is limited by fretting induced corrosion. This type of surface damage is observed between two interconnected surfaces exposed to vibration and temperature variations.…

Tribology International, 2020, 143, ⟨10.1016/j.triboint.2019.106019⟩. ⟨hal-04084634⟩

  • Chapitre d'ouvrage

Ultrasonic Evaluation of Dental Implant Stability

Yoann Hériveaux, Vu-Hieu Nguyen, Romain Vayron, Guillaume Haiat

Failures of dental implants are often related to issues related to implant stability and to a bad timing of the loading protocol. However, surgical procedures are not standardized and many surgeons still use empirical methods to determine implant stability. Therefore, the development of…

Dental Ultrasound in Periodontology and Implantology, Springer International Publishing, pp.197-213, 2020, 978-3-030-51287-3. ⟨10.1007/978-3-030-51288-0_10⟩. ⟨hal-03432579⟩

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