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Affichage de 1571 à 1580 sur 2006

Article dans une revue

Assessment of ship manoeuvrability by using a coupling between a nonlinear transient manoeuvring model and mathematical programming techniques

Toan Tran Khanh, Abdellatif Ouahsine, Hakim Naceur, Karima El Wassifi

In this paper, a numerical method based on a coupling between a mathematical model of nonlinear transient ship manoeuvring motion in the horizontal plane and Mathematical Programming (MP) techniques is proposed. The aim of the proposed procedure is an efficient estimation of optimal ship...

Journal of Hydrodynamics, 2013, 25 (5), pp.788-804. ⟨10.1016/S1001-6058(13)60426-6⟩. ⟨hal-03625169⟩

Article dans une revue

Experimental study of two-phase flow pattern evolution in a horizontal circular tube of small diameter in laminar flow conditions

S. Zeguai, Soufien Chikh, L. Tadrist

The carried out experimental study aims at analyzing air-water two-phase flow patterns in a horizontal tube for laminar flow with carefully controlled conditions. An experimental test rig has been setup to produce a two-phase flow in a glass tube of 3 mm inner diameter with co-current air and water...

International Journal of Multiphase Flow, 2013, 55, pp.99-110. ⟨10.1016/j.ijmultiphaseflow.2013.04.008⟩. ⟨hal-01459472⟩

Article dans une revue

Wall shear stress characterization of a 3D bluff-body separated flow

Grégoire Fourrié, Laurent Keirsbulck, Larbi Labraga

Efficient flow control strategies aimed at reducing the aerodynamic drag of road vehicles require a detailed knowledge of the reference flow. In this work, the flow around the rear slanted window of a generic car model was experimentally studied through wall shear stress measurements using an...

Journal of Fluids and Structures, 2013, 42, pp.55-69. ⟨10.1016/j.jfluidstructs.2013.05.014⟩. ⟨hal-03615070⟩

Article dans une revue

Fouling detection in a heat exchanger: A polynomial fuzzy observer approach

François Delmotte, Michel Dambrine, Sabrina Delrot, Sylvain Lalot

The paper presents new results on state estimation of nonlinear systems based on a fuzzy polynomial Takagi–Sugeno representation. Using sum of squares tools and some matrix properties, conditions to compute the gains of the observers can be obtained easily. Then, the results are applied on the...

Control Engineering Practice, 2013, 21 (10), pp.1386-1395. ⟨10.1016/j.conengprac.2013.06.004⟩. ⟨hal-03468414⟩

Article dans une revue

Concomitant changes in clinical and posturographic data in elderly fallers during the course of an in-home anti-falling multimodal program – A preliminary investigation

P. Carette, G. Kemoun, Eric Watelain, B. Dugué

SummaryAim of the study The objective of this preliminary study was to evaluate the effectiveness, in terms of fall reduction, of an in-home strategy that we have developed for elderly fallers. We also aimed at finding links between the expected changes in the data obtained in static posturography...

Neurophysiologie Clinique = Clinical Neurophysiology, 2013, 43 (4), pp.229--236. ⟨10.1016/j.neucli.2013.06.003⟩. ⟨hal-01342023⟩

Article dans une revue

3D numerical design of tunnel hood

David Uystepruyst, Mame J.-P. William-Louis, François Monnoyer de Galland

This paper relates to the parametric study of tunnel hoods in order to reduce the shape, i.e. the temporal gradient, of the pressure wave generated by the entry of a High speed train in tunnel. This is achieved by using an in-house three-dimensional numerical solver which solves the Eulerian...

Tunnelling and Underground Space Technology, 2013, 38, pp.517-525. ⟨10.1016/j.tust.2013.08.008⟩. ⟨hal-00872205⟩

Article dans une revue

LK stability analysis of predictor-based controllers for discrete-time systems with time-varying actuator delay

Antonio Gonzalez Sorribes, Antonio Sala, Roberto Sanchis

This paper extends the scaled-small gain proposal in Li and Gao (2011) [14], modifying the Lyapunov–Krasovskii functional to analyze the robust stability of predictor-based state-feedback controllers for discrete-time systems with model uncertainties and unknown time-varying delays in the control...

Systems and Control Letters, 2013, 62 (9), pp.764-769. ⟨10.1016/j.sysconle.2013.05.009⟩. ⟨hal-03615588⟩

Article dans une revue

An efficient modelling of inelastic composites with misaligned short fibres

Delphine Notta-Cuvier, Franck Lauro, Bruno Bennani, Romain Balieu

This paper deals with the modelling of the behaviour of short-fibre reinforced composites. The composite is seen as an assembly of a matrix medium and of several fibre media. Each fibre medium, characterised by its own orientation of fibres and volume fraction, is considered as a one-dimensional...

International Journal of Solids and Structures, 2013, 50 (19), pp.2857-2871. ⟨10.1016/j.ijsolstr.2013.04.031⟩. ⟨hal-03624280⟩

Article dans une revue

Two-level Caches Tuning Technique For Energy Consumption in Reconfigurable Embedded MPSoC

Asmaa Bengueddach, Benaoumeur Senouci, Smail Niar, Bouziane Beldjilali

In order to meet the ever-increasing computing requirement in the embedded market, multiprocessor chips were proposed as the best way out. In this work we investigate the energy consumption in these embedded MPSoC systems. One of the efficient solutions to reduce the energy consumption is to...

Journal of Systems Architecture, 2013, 59 (8), pp.656-666. ⟨10.1016/j.sysarc.2013.05.018⟩. ⟨hal-03479475⟩

Article dans une revue

Multi-dimensional Capon spectral estimation using discrete Zhang neural networks

Abderrazak Benchabane, Bennia Abdelhak, Fella Charif, Abdelmalik Taleb-Ahmed

The minimum variance spectral estimator, also known as the Capon spectral estimator, is a high resolution spectral estimator used extensively in practice. In this paper, we derive a novel implementation of a very computationally demanding matched filter-bank based a spectral estimator, namely the...

Multidimensional Systems and Signal Processing, 2013, 24 (3), pp.583-598. ⟨10.1007/s11045-012-0189-0⟩. ⟨hal-03405620⟩