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Affichage de 2231 à 2240 sur 5639

Article dans une revue

High performance LDPC codes for high spectral efficiency

Latifa Mostari, Abdelmalik Taleb-Ahmed, Abdennacer Bounoua

Achieving high spectral efficiency is the key requirement of future wireless systems and mobile communications because it provides us a high quality for high data over a limited bandwidth. In order to achieve high spectral efficiency, channel coding and modulation are the key part. Basically, high…

Internetworking Indonesia Journal, 2018, 10 (1), pp.9-15. ⟨hal-03676514⟩

Article dans une revue

Implementing advanced Takagi-Sugeno controllers: application to throttle control of a gasoline engine

Thomas Josso-Laurain, Jimmy Lauber, Reinaldo Martinez Palhares

This paper is dedicated to the implementation process of advanced Takagi-Sugeno controllers. The considered application is the control of the throttle of a gasoline engine running at idle speed. In order to design a model-based control, a model is first obtained and identified with an engine test…

IFAC-PapersOnLine, 2018, 51 (10), pp.145-150. ⟨10.1016/j.ifacol.2018.06.252⟩. ⟨hal-03675878⟩

Article dans une revue

Mesh Twisting Technique for Swirl Induced Laminar Flow Used to Determine a Desired Blade Shape

Asdis Helgadottir, Sylvain Lalot, François Beaubert, Halldor Pálsson

Swirling flow has been shown to increase heat transfer in heat exchangers. However, producing swirl while not presenting a severe pressure drop can be a challenge. In this paper, a desired shape of guidance blades for laminar swirl flow is determined by numerical simulation in OpenFOAM. Emphasis is…

Applied Sciences, 2018, 8 (10), pp.1865. ⟨10.3390/app8101865⟩. ⟨hal-03449889⟩

Article dans une revue

LMI-Based Exponential Estimates for Time-Delay Nonlinear Descriptor Systems ⁎ ⁎This work has been supported by the postdoctoral fellowship for CVU 366627, the ITSON Projects PROFAPI CA-18 2017-0088 and 2018-1062, and PFCE 2016-17. Juan Carlos Arceo was student at ITSON under CONACYT scholarship 415714 during the realization of this work.

Juan Carlos Arceo Luzanilla, Raúl Villafuerte, Víctor Estrada Manzo, Miguel Bernal

This paper presents novel results on exponential estimates for time-delay nonlinear descriptor systems with nonsingular left-hand side. By means of a Lyapunov-Krasovskii functional and an exact convex representation of the system, conditions in the form of linear matrix inequalities are found that…

IFAC-PapersOnLine, 2018, 51 (10), pp.139-144. ⟨10.1016/j.ifacol.2018.06.251⟩. ⟨hal-03671715⟩

Article dans une revue

Razumikhin-type Theorems on Practical Stability of Dynamic Equations on Time Scales

Bacem Ben Nasser, Michael Defoort, Mohamed Djemai, Taous-Meriem Laleg-Kirati

In this work, we investigate some Razumikhin-type criteria for the uniform global practical asymptotic stability on arbitrary time domains, for time-varying dynamic equations. Using Lyapunov-type functions on time scales, we develop appropriate inequalities ensuring that trajectories decay to the…

IFAC-PapersOnLine, 2018, 51 (16), pp.121-126. ⟨10.1016/j.ifacol.2018.08.021⟩. ⟨hal-03671746⟩

Communication dans un congrès

Towards Energy Efficient Scheduling and Rescheduling for Dynamic Flexible Job Shop Problem

Maroua Nouiri, Abdelghani Bekrar, Damien Trentesaux

Nowadays the migration to green manufacturing is the interest of many companies. Taken into account sustainability in all industrial activities is the main goal of sustainable intelligent manufacturing system. In recent years, the demand for energy and the investment in energy have continued to…

16th IFAC Symposium on Information Control Problems in Manufacturing, Jun 2018, Bergamo, Italy. pp.1275-1280, ⟨10.1016/j.ifacol.2018.08.357⟩. ⟨hal-03409367⟩

Communication dans un congrès

Characterization of a visco-hyperelastic synthetic gel for ballistic impacts assessment

Anthony Bracq, Grégory Haugou, Benjamin Bourel, Rémi Delille, Christophe Maréchal, Franck Lauro, Sébastien Roth, Olivier Mauzac

Understanding the human body response during impact has become a primary concern, especially in the field of ballistic impacts. Among various materials employed as human body substitutes, synthetic gel named SEBS is used in the present study. Mechanical characterization from quasi-static to very…

Society for Experimental Mechanics (SEM'2017), Jun 2017, Indianapolis, United States. ⟨10.1007/978-3-319-62956-8_19⟩. ⟨hal-03436839⟩

Article dans une revue

An Incremental Physically-Based Model of P91 Steel Flow Behaviour for the Numerical Analysis of Hot-Working Processes

Alberto Murillo-Marrodán, Eli Saúl Puchi-Cabrera, Eduardo Garcia, Mirentxu Dubar, Fernando Cortes, Laurent Dubar

This paper is aimed at modelling the flow behaviour of P91 steel at high temperature and a wide range of strain rates for constant and also variable strain-rate deformation conditions, such as those in real hot-working processes. For this purpose, an incremental physically-based model is proposed…

Metals, 2018, 8 (4), pp.269. ⟨10.3390/met8040269⟩. ⟨hal-03450069⟩

Article dans une revue

Investigation of Optimal Afferent Feedback Modality for Inducing Neural Plasticity with A Self-Paced Brain-Computer Interface

Mads Jochumsen, Sylvain Cremoux, Lucien Robinault, Jimmy Lauber, Juan Carlos Arceo Luzanilla, Muhammad Navid, Rasmus Nedergaard, Usman Rashid, Heidi Haavik, Imran Khan Niazi

Brain-computer interfaces (BCIs) can be used to induce neural plasticity in the human nervous system by pairing motor cortical activity with relevant afferent feedback, which can be used in neurorehabilitation. The aim of this study was to identify the optimal type or combination of afferent…

Sensors, 2018, 18 (11), pp.3761. ⟨10.3390/s18113761⟩. ⟨hal-02341956⟩

Communication dans un congrès

Thresholding based on sequential Monte-Carlo for DCT speech enhancement

M. Meddah, A. Amrouche, Abdelmalik Taleb-Ahmed

This paper deals with speech enhancement achieved by thresholding the Discrete Cosine Transform coefficients of noisy speech. The sequential Monte-Carlo algorithm is used to approximate the a posteriori threshold distribution, thus the minimum mean square error estimate of the thresholded speech…

2017 First International Conference on Embedded & Distributed Systems (EDiS), Dec 2017, Oran, Algeria. pp.1-5, ⟨10.1109/EDIS.2017.8284035⟩. ⟨hal-03676494⟩