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Affichage de 3081 à 3090 sur 5569

  • Article dans une revue

Experimental Study of Flow Control on Bluff Body using Piezoelectric Actuators

Nabil Tounsi, Rafika Mestiri, Laurent Keirsbulck, Hamid Oualli, Samir Hanchi, Fethi Aloui

Active flow control is experimentally investigated on a car-type bluff body. The actuation is based on a synthetic jet actuator placed at the top of the Ahmed body rear window. In the present paper, a synthetic jet characterization is presented, the frequencies and the optimal amplitudes with…

Journal of Applied Fluid Mechanics, 2016, 9 (2), pp.827-838. ⟨10.18869/acadpub.jafm.68.225.24488⟩. ⟨hal-03448166⟩

  • Communication dans un congrès

A dynamic hybrid control architecture for sustainable manufacturing control

José-Fernando Jimenez Gordillo, Abdelghani Bekrar, Adriana Giret, Paulo Leitão, Damien Trentesaux

Manufacturing systems face the challenge of accomplishing the productive effectiveness and sustainable efficiency goals at operational level. For this, manufacturing control systems must incorporate a mechanism that balances the trade-off between effectiveness and efficiency in perturbed scenarios…

12th IFAC Workshop on Intelligent Manufacturing Systems IMS 2016, Dec 2016, Austin, Texas, United States. pp.114-119, ⟨10.1016/j.ifacol.2016.12.171⟩. ⟨hal-03416117⟩

  • Article dans une revue

Evaluation of a new extraction protocol for yeast identification by mass spectrometry

Frédérique Gouriet, Farida Ghiab, Carine Couderc, Fadi Bittar, Hervé Tissot Dupont, Christophe Flaudrops, Jean-Paul Casalta, Bissoume Sambe-Ba, Bécaye Fall, Didier Raoult, Florence Fenollar

In this paper, we evaluate a rapid and safe pretreatment procedure using glass beads for MALDI-TOF yeast identification in a routine clinical laboratory avoiding the use of formic acid. We created a new yeast database library using 1186 yeasts, including 11 references strains. The database was…

Journal of Microbiological Methods, 2016, 129, pp.61-65. ⟨10.1016/j.mimet.2016.08.001⟩. ⟨hal-01478536⟩

  • Communication dans un congrès

Mirror Effect Based Learning Systems to Predict Human Errors - Application to the Air Traffic Control

Frédéric Vanderhaegen

Resilience of a human-machine system such as air traffic control relates to the successful control of its instability. This instability can be due to the temporal variability or the magnitude of functional task demands, and this may provoke human error occurrence. The paper proposes an original…

Proceedings of the 13th IFAC/IFIP/IFORS/IEA symposium on Analysis, Design, and Evaluation of Human-Machine Systems (IFAC HMS 2016), Aug 2016, Kyoto, Japan. pp.295-300, ⟨10.1016/j.ifacol.2016.10.553⟩. ⟨hal-03417200⟩

  • Article dans une revue

Simplex Enhanced Numerical Modeling of the Temperature Distribution in a Hydrogen Cooled Steel Coil Annealing Process

Abdallah Haouam, Maxence Bigerelle, Bachir Merzoug

The temperature distribution of steel coils during annealing process in hydrogen has a significant effect on their quality. It is approached by numerical modelling using the differential equations governing the heat transfers involved. The resolution is performed by the method of finite differences…

Procedia Engineering, 2016, Selected Papers from IX International Conference on Computational Heat and Mass Transfer (ICCHMT2016), 157, pp.50 - 57. ⟨10.1016/j.proeng.2016.08.337⟩. ⟨hal-03669293⟩

  • Article dans une revue

A thermal study of power cables cooling in tunnels

Fahd Boukrouche, Christophe Moreau, Souad Harmand, François Beaubert, Julien Pellé, O. Moreau

Power transmission through power cables installed in ventilated tunnels has been increasingly used worldwide and offers a complex thermal environment. Established correlations currently in use have been deduced from a non-fully developed turbulent flow. This paper details the experimental…

Journal of Physics: Conference Series, 2016, 7th European Thermal-Sciences Conference (Eurotherm2016) 19–23 June 2016, Krakow, Poland, 745 (3), pp.032032. ⟨10.1088/1742-6596/745/3/032032⟩. ⟨hal-03461702⟩

  • Communication dans un congrès

Context-based evaluation of mobile knowledge management systems

Emna Ben Ayed, Christophe Kolski, Houcine Ezzedine

The technological revolution has been accompanied with the appearance of mobile systems. Mobile Knowledge Management Systems (KMS) which introduce a new style of managing organizations using mobile devices, are used in different contexts of use. So, a context based evaluation of such systems…

IEEE/ACS 13th International Conference of Computer Systems and Applications (AICCSA), Nov 2016, Agadir, Morocco. 8 p., ⟨10.1109/AICCSA.2016.7945794⟩. ⟨hal-03338580⟩

  • Article dans une revue

Differences between expert and novice gymnasts performance of a counter movement forward in flight on uneven bars

Aurore Huchez, Diane Haering, Patrice Holvoët, Franck Barbier, Mickael Begon

This study investigated the different strategies exhibited by expert and novice gymnasts in counter movement forward in flight on uneven bars. Eleven gymnasts performed three trials connected with a kip to support. The gymnasts were divided into two groups according to their ability to connect: six…

Science of Gymnastics Journal, 2016, 8 (1), pp.31-41. ⟨hal-03465502⟩

  • Article dans une revue

Control synthesis for polynomial discrete-time systems under input constraints via delayed-state Lyapunov functions

J. L. Pitarch, Jimmy Lauber, Thierry-Marie Guerra, Antonio Sala

This paper presents a discrete-time control design methodology for input-saturating systems using a Lyapunov function with dependence on present and past states. The approach is used to bypass the usual difficulty with full polynomial Lyapunov functions of expressing the problem in a convex way.…

International Journal of Systems Science, 2016, 47 (5), pp.1176-1184. ⟨10.1080/00207721.2014.915357⟩. ⟨hal-03426937⟩

  • Article dans une revue

Numerical simulation of the flow through the blades of a swirl generator

Manel Wannassi, François Monnoyer de Galland

This paper aims at analyzing the dynamics behavior of the flow generated by blade swirlers. Three-dimensional calculations are carried out for different Reynolds numbers and blade angles (θ = 20◦, 30◦, and 45°). Flow field characteristics within the swirler and in the outgoing jet are examined in…

Applied Mathematical Modelling, 2016, 40 (2), pp.1247-1259. ⟨10.1016/j.apm.2015.07.018⟩. ⟨hal-03446700⟩