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Affichage de 1631 à 1640 sur 2097

Article dans une revue

Ternary Zero Correlation Zone Sequence Sets for Asynchronous DS-CDMA

Benattou Fassi, Ali Djebbari, Abdelmalik Taleb-Ahmed

In this paper we propose a new class of ternary Zero Correlation Zone (ZCZ) sequence sets based on binary ZCZ sequence sets construction. It is shown that the proposed ternary ZCZ sequence sets can reach the upper bound on the ZCZ sequences. The performance of the proposed sequences set in…

Communications and Network = 通信與網路 [Tong xin yu wang lu], 2014, 06 (04), pp.209-217. ⟨10.4236/cn.2014.64023⟩. ⟨hal-03644466⟩

Article dans une revue

Dynamic evolution of interface roughness during friction and wear processes

K. J. Kubiak, Maxence Bigerelle, T. Mathia, André Dubois, Laurent Dubar

Dynamic evolution of surface roughness and influence of initial roughness (Sa = 0.282–6.73 µm) during friction and wear processes has been analyzed experimentally. The mirror polished and rough surfaces (28 samples in total) have been prepared by surface polishing on Ti–6Al–4V and AISI 1045 samples…

Scanning, 2014, 36 (1), pp.30-38. ⟨10.1002/sca.21082⟩. ⟨hal-03470665⟩

Article dans une revue

Modélisation des performances d’un moteur Ericsson à cycle de joule ouvert

Marie Creyx, Eric Delacourt, Marc Lippert, Céline Morin, Bernard Desmet

The performances of an open Joule cycle Ericsson engine associated to a biomass micro-CHP unit are studied with a dynamic model impl emented with the bond graph formalis m. The dynamic phenomena of the expansion cylinder (pressure drops across the valves, th ermal losses through the cylinder wall,…

Revista Termotehnica, 2014, 1, pp.64-70. ⟨hal-03627090⟩

Article dans une revue

Closed form solution for the collapse of polygonal thin-walled columns in the axial crushing case

Yamen Maalej, Fahmi Chaari, Bassem Zouari, Eric Markiewicz

The main objective of this paper is to propose a new closed form solution, useful in the pre-design stage, that allows one to calculate the mean load in the case of post-collapse of polygonal thin-walled columns in the axial crushing case. This model gives a rapid and accurate evolution of the…

Journal of Theoretical and Applied Mechanics, 2014, 52 (3), pp.707-718. ⟨hal-03663448⟩

Article dans une revue

Attitudes des enseignants d’Éducation Physique envers l’inclusion d’un élève en situation de handicap. Une revue systématique de la littérature (1975-2015), Physical education teachers' attitudes toward the inclusion of students with disabilities. A systematic literature review (1975-2015)

Maxime Tant, Eric Watelain

L’objectif de ce travail est de recenser systématiquement l’ensemble des articles scientifiques internationaux, en anglais et en français, publiés entre 1975 et 2015, relatifs aux attitudes des enseignants d’Éducation Physique (EP) dans la perspective d’inclure un élève en situation de handicap…, The purpose of this paper is to provide a systematic inventory of all international scientific papers, in English and French, published between 1975 and 2015 on the attitudes of physical education (PE) teachers toward the inclusion of students with disabilities in their classrooms. To achieve this…

STAPS : Revue internationale des sciences du sport et de l'éducation physique, 2014, 106 (4), pp.37-53. ⟨10.3917/sta.106.0037⟩. ⟨hal-03034313⟩

Article dans une revue

An evidential network approach to support uncertain multiviewpoint abductive reasoning

Felipe Aguirre, Mohamed Sallak, Frédéric Vanderhaegen, Denis Berdjag

The paper proposes an approach to support human abductive reasoning in the diagnosis of a multiviewpoint system. The novelty of this work lies on the capability of the approach to treat the uncertainty held by the agent performing the diagnosis. To do so, we make use of evidential networks to…

Information Sciences, 2013, 250, pp.110-125. ⟨10.1016/j.ins.2013.07.014⟩. ⟨hal-00917053⟩

Article dans une revue

Coupling a genetic algorithm with the distributed arrival-time control for the JIT dynamic scheduling of flexible job-shops

Gabriel Zambrano Rey, Abdelghani Bekrar, Vittaldas V. Prabhu, Damien Trentesaux

In order to increase customer satisfaction and competitiveness, manufacturing systems need to combine flexibility with Just-in-Time (JIT) production. Until now, research on JIT scheduling problems has been mostly limited to high volume assembly lines rather than job-shop-like systems, due to their…

International Journal of Production Research, 2013, 52 (12), pp.3688-3709. ⟨10.1080/00207543.2014.881575⟩. ⟨hal-03649136⟩

Article dans une revue

Fault Detection and Isolation of Aircraft Air Data/Inertial system

Denis Berdjag, Jérome Cieslak, Ali Zolghadri

A method for failure detection and isolation (FDI) for redundant aircraft sensors is presented. The outputs of the concerned sensors are involved in the computation of §ight control laws, and the objective is to eliminate any fault before propagation in the control loop when selecting a unique §…

EUCASS Proceedings Series - Advances in AeroSpace Sciences, 2013, 6, pp.317-332. ⟨10.1051/eucass/201306317⟩. ⟨hal-00913429⟩

Article dans une revue

Development of a new nonlinear numerical material model for woven composite materials accounting for permanent deformation and damage

Olivier Cousigné, David Moncayo, Daniel Coutellier, Pedro Camanho, Hakim Naceur, Steffen Hampel

Due to their draping, stiffness, improved ductility and damage tolerance properties woven composites are being increasingly used for the construction of crash-relevant structural parts. Textile composites may depict a nonlinear behavior along several directions. Moreover, considerably-thick…

Composite Structures, 2013, 106, pp.601-614. ⟨10.1016/j.compstruct.2013.07.026⟩. ⟨hal-03613717⟩

Article dans une revue

Analysis of thin composite structures using an efficient hex-shell finite element

Seddik Shiri, Hakim Naceur

In this paper a general methodology for the modeling of material composite multilayered shell structures is proposed using a Hex-shell finite element modeling. The first part of the paper is devoted to the general FE formulation of the present composite 8-node Hex-shell element called SCH8, based…

Journal of Mechanical Science and Technology, 2013, 27 (12), pp.3755-3763. ⟨10.1007/s12206-013-0920-2⟩. ⟨hal-03624959⟩