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Affichage de 4801 à 4810 sur 6528

Communication dans un congrès

Using discrete-time hyperchaotic-based asymmetric encryption and decryption keys for secure signal transmission

Sonia Hammami, Mohamed Djemai, Krishna Busawon

In this paper, a framework for the synchronization of two non-identical discrete-time hyperchaotic systems, namely the 3D Baier-Klein and the 3D Hitzel-Zele maps, based on the use of hybrid output feedback concept and aggregation techniques, is employed to design a two-channel secure communication...

2014 9th International Symposium on Communication Systems, Networks & Digital Signal Processing (CSNDSP), Jul 2014, Manchester, United Kingdom. ⟨10.1109/CSNDSP.2014.6923985⟩. ⟨hal-03469220⟩

Communication dans un congrès

MIPT: Rapid exploration and evaluation for migrating sequential algorithms to multiprocessing systems with multi-port memories.

Gorker Alp Malazgirt, Arda Yurdakul, Smail Niar

Research has shown that the memory load/store instructions consume an important part in execution time and energy consumption. Extracting available parallelism at different granularity has been an important approach for designing next generation highly parallel systems. In this work, we present...

2014 International Conference on High Performance Computing & Simulation (HPCS), Jul 2014, Bologna, Italy. pp.776-783, ⟨10.1109/HPCSim.2014.6903767⟩. ⟨hal-03387997⟩

Article dans une revue

Expertise reversal for different forms of instructional designs in dynamic visual representations

Aïmen Khacharem, Bachir Zoudji, Slava Kalyuga

Abstract The recent advances in software and computer technology have enabled the incorporation of dynamic representations into a multitude of educational and training environments. Cognitive load theory has been extensively used to enhance learning from complex dynamic representations by providing...

British Journal of Educational Technology, 2014, 46 (4), pp.756-767. ⟨10.1111/bjet.12167⟩. ⟨hal-04482290⟩

Communication dans un congrès

CFD modelling of a beta-type stirling machine

Augusto Della Torre, Andrea Guzzetti, Gianluca Montenegro, Tarcisio Cerri, Angelo Onorati, Fethi Aloui

In the last decades the Stirling technology has experienced a renewed interest in industry and academy, due to a wide range of possible applications for energy generation from renewable resources and waste-heat recovery. In this context, the adoption of CFD can give a substantial contribution to...

11th World Congress on Computational Mechanics, WCCM 2014, 5th European Conference on Computational Mechanics, ECCM 2014 and 6th European Conference on Computational Fluid Dynamics, ECFD 2014, Jul 2014, Barcelona, Spain. ⟨hal-03663280⟩

Communication dans un congrès

Designing Usable, yet Secure Authentication Services: A User-Centric Protocol.

Christina Braz, Ahmed Seffah

User authentication is key in many interactive tourism software applications and Websites including online booking and reservation applications, customer relationship management systems, etc. However, the design of a user authentication service raises crucial questions when it comes to properly...

Proceedings of the 5th International Conference on Applied Human Factors and Ergonomics AHFE 2014, Jul 2014, Krakow, Poland. ⟨hal-03387986⟩

Thèse

Mise en forme par microstéréolithographie et frittage de céramiques macro-micro-poreuses en hydroxyapatite silicatée et évaluation biologique, Shaping by microstereolithography and sintering of macro-micro-porous silicated hydroxyapatite ceramics and biological evaluation

Marie Lasgorceix

Des biocéramiques d’hydroxyapatite silicatée (SiHA) macro-micro-poreuses et d’architecture contrôlée ont été mises en forme par microstéréolithographie puis consolidées par frittage. Dans cette optique, des suspensions de particules SiHA, dispersées en milieu organique photoréactif, ont été..., Macro-micro-porous bioceramics made of silicated hydroxyapatite (SiHA), with a controlled architecture, were shaped by microstereolithography and consolidated by sintering. For this purpose, slurries with SiHA particles, dispersed in organic photosensitive medium, were developed. Their rheological...

Matériaux. Université de Limoges, 2014. Français. ⟨NNT : 2014LIMO4016⟩. ⟨tel-03890063⟩

Article dans une revue

Stability results for second-order evolution equations with switching time-delay

Serge Nicaise, Cristina Pignotti

We consider second-order evolution equations in an abstract setting with intermittently delayed/not-delayed damping. We give sufficient conditions for asymptotic and exponential stability, improving and generalizing our previous results from Nicaise and Pignotti (Adv Differ Equ 17:879-902, 2012)....

Journal of Dynamics and Differential Equations, 2014, 26 (3), pp.781-803. ⟨10.1007/s10884-014-9382-1⟩. ⟨hal-03166065⟩

Communication dans un congrès

Non-quadratic Stabilization for T-S Systems with Nonlinear Consequent Parts

Hoda Moodi, Jimmy Lauber, Thierry-Marie Guerra, Mohammad Farrokhi

This paper deals with nonlinear systems, which are modeled by T-S fuzzy model containing nonlinear functions in the consequent part of the fuzzy IF-THEN rules. This will allow modeling a wider class of systems with smaller modeling errors. The consequent part of each rule is assumed to contain a...

15th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems, Jul 2014, Montpellier, France. ⟨10.1007/978-3-319-08852-5_54⟩. ⟨hal-03469198⟩

Chapitre d'ouvrage

Cooperative organization for Enhancing Situation Awareness

Patrick Millot

Risk management deals with prevention, decision-making, action taking, crisis management and recovery, taking into account the consequences of unexpected events. The authors of this book are interested in ecological processes, human behavior, as well as the control and management of life-critical...

Millot Patrick (Ed.). Risk Management in Life–Critical Systems, ISTE Ltd and John Wiley & Sons Inc, pp.279-300, 2014, 9781848214804. ⟨hal-03630813⟩

Chapitre d'ouvrage

Human-Machine Cooperation Principles to support Life Critical Systems management

Marie-Pierre Pacaux-Lemoine

Risk management deals with prevention, decision-making, action taking, crisis management and recovery, taking into account the consequences of unexpected events. The authors of this book are interested in ecological processes, human behavior, as well as the control and management of life-critical...

Millot Patrick (Ed.). Risk Management in Life–Critical Systems, ISTE Ltd and John Wiley & Sons Inc, pp.253-277, 2014, 9781848214804. ⟨hal-03630822⟩