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Affichage de 1301 à 1310 sur 2043

Article dans une revue

Prostate contours delineation using interactive directional active contours model and parametric shape prior model

Foued Derraz, Gérard Forzy, Arnaud Delebarre, Abdelmalik Taleb-Ahmed, Mourad Oussalah, Laurent Peyrodie, Sebastien Verclytte

Prostate contours delineation on Magnetic Resonance (MR) images is a challenging and important task in medical imaging with applications of guiding biopsy, surgery and therapy. While a fully automated method is highly desired for this application, it can be a very difficult task due to the…

International Journal for Numerical Methods in Biomedical Engineering, 2015, 31 (11), pp.22. ⟨10.1002/cnm.2726⟩. ⟨hal-03428478⟩

Article dans une revue

Experimental and theoretical investigation of Stirling engine heater: Parametrical optimization

Ramla Gheith, Houda Hachem, Fethi Aloui, Sassi Ben Nasrallah

The aim of this work is to optimize γ Stirling engine performances with a special care given to the heater. This latter consists of 20 tubes in order to increase the exchange area between the working gas and the hot source. Different parameters were chosen to evaluate numerically and experimentally…

Energy Conversion and Management, 2015, 105, pp.285-293. ⟨10.1016/j.enconman.2015.07.063⟩. ⟨hal-03448409⟩

Article dans une revue

Reactive control of overall power consumption in flexible manufacturing systems scheduling: A Potential Fields model

Cyrille Pach, Thierry Berger, Yves Sallez, Damien Trentesaux

In recent years, designing “energy-aware manufacturing scheduling and control systems” has become more and more complex due to the increasing volatility and unpredictability of energy availability, supply and cost, and thus requires the integration of highly reactive behavior in control laws. The…

Control Engineering Practice, 2015, 44, pp.193-208. ⟨10.1016/j.conengprac.2015.08.003⟩. ⟨hal-03428162⟩

Article dans une revue

Customizing VLIW processors from dynamically profiled execution traces

Gorker Alp Malazgirt, Arda Yurdakul, Smail Niar

The design philosophy of VLIW processors is to maximize instruction level parallelism (ILP) starting from compiler and machine code level to all the way down to memory and computational blocks. For this purpose, VLIW tailoring has been an important research area, because non-tailored VLIWs cannot…

Microprocessors and Microsystems: Embedded Hardware Design , 2015, 39 (8), pp.656-673. ⟨10.1016/j.micpro.2015.09.005⟩. ⟨hal-03400990⟩

Article dans une revue

Enhanced precision of ankle torque measure with an open-unit dynamometer mounted with a 3D force-torque sensor

Anis Toumi, Sebastien Leteneur, Christophe Gillet, Jean-François Debril, Nicolas Decoufour, Franck Barbier, Jennifer Jakobi, Emilie Simoneau-Buessinger

Purpose: Many studies have focused on maximum torque exerted by ankle joint muscles during plantar flexion. While strength parameters are typically measured with isokinetic or isolated ankle dynamometers, these devices often present substantial limitations for the measurement of torque because they…

European Journal of Applied Physiology, 2015, 115 (11), pp.2303-2310. ⟨10.1007/s00421-015-3210-0⟩. ⟨hal-03520701⟩

Article dans une revue

Review on Numerical Modeling of Instrumented Indentation Tests for Elastoplastic Material Behavior Identification

Julie Marteau, Salima Bouvier, Maxence Bigerelle

The impacts of the parameters controlling the finite element simulation of instrumented indentation tests and their consequences on numerical results are reviewed in case of homogeneous materials and functionally graded ones. Through a comparative study of the results of different finite element…

Archives of Computational Methods in Engineering, 2015, 22 (4), pp.577-593. ⟨10.1007/s11831-014-9134-8⟩. ⟨hal-02909095⟩

Article dans une revue

Fault detection based on higher-order sliding mode observer for a class of switched linear systems

Jérémy van Gorp, Michael Defoort, Mohamed Djemai, Kalyana Chakravarthy Veluvolu

This study considers the fault detection problem for a class of switched linear systems when the observer matching condition is not satisfied. Without using decoupling transformations, a residual signal, based on reduced order sliding mode observers, is introduced for the detection of faults which…

IET Control Theory and Applications, 2015, 9 (15), pp.2249-2256. ⟨10.1049/iet-cta.2014.1004⟩. ⟨hal-02923396⟩

Article dans une revue

How we perceive our own hands: Effects of attention, aging, and sex

Janick Naveteur, Marie-Agnes Dupuy, François Gabrielli, George A. Michael

This study investigates whether both the perception of somesthetic sensations arising spontaneously on the hand and their modulation by attention are subject to change with advancing age and sex. Participants aged between 50 and 68 (N = 24), and younger (19–27; N = 24), with an equal sex ratio in…

Somatosensory and Motor Research, 2015, 32 (4), pp.227-235. ⟨10.3109/08990220.2015.1086326⟩. ⟨hal-03428358⟩

Article dans une revue

R-peaks detection based on stationary wavelet transform

Mostefa Merah, Abdelmalik Taleb-Ahmed, Hadj Larbi Beklaouz

Automatic detection of the QRS complexes/R-peaks in an electrocardiogram (ECG) signal is the most important step preceding any kind of ECG processing and analysis. The performance of these systems heavily relies on the accuracy of the QRS detector. The objective of present work is to drive a new…

Computer Methods and Programs in Biomedicine, 2015, 121 (3), pp.149-160. ⟨10.1016/j.cmpb.2015.06.003⟩. ⟨hal-03428206⟩

Article dans une revue

New heuristic algorithms for solving the planar p-median problem

Zvi Drezner, Jack Brimberg, Nenad Mladenovic, Said Salhi

In this paper we propose effective heuristics for the solution of the planar p-median problem. We develop a new distribution based variable neighborhood search and a new genetic algorithm, and also test a hybrid algorithm that combines these two approaches. The best results were obtained by the…

Computers and Operations Research, 2015, 62, pp.296-304. ⟨10.1016/j.cor.2014.05.010⟩. ⟨hal-03401097⟩