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Affichage de 881 à 890 sur 2043

Article dans une revue

Ant colony optimisation combined with variable neighbourhood search for scheduling preventive railway maintenance activities

Safa Khalouli, Rachid Benmansour, Said Hanafi

Railway infrastructure maintenance is of fundamental importance in order to ensure a good service in terms of punctuality, safety and efficiently operation of trains on railway track and also for passenger comfort. Track maintenance covers a large amount of different activities such as inspections…

International Journal of Intelligent Engineering Informatics, 2018, 6 (1/2), pp.78. ⟨10.1504/IJIEI.2018.10012067⟩. ⟨hal-03400896⟩

Article dans une revue

Physical Performance Variables and Bone Mineral Density in a Group of Young Overweight and Obese Men

César El Khoury, Antonio Pinti, Eric Lespessailles, Ghassan Maalouf, Eric Watelain, Georges El Khoury, Abdel Jalil Berro, Marie-Louise Ayoub, Hechmi Toumi, Rawad El Hage

The aim of this study was to explore the relationships between performances obtained in different physical tests and bone parameters (bone mineral density [BMD], bone mineral content, hip geometry indices, and trabecular bone score [TBS]) in a group of young Lebanese overweight and obese adult men…

Journal of Clinical Densitometry, 2018, 21 (1), pp.41-47. ⟨10.1016/j.jocd.2016.07.004⟩. ⟨hal-03028009⟩

Article dans une revue

A Disruption Recovery Problem with Time Windows Change in the Last Mile Delivery of Online Shopping

Li Jiang, Changyong Liang, Junfeng Dong, Wenxing Lu, Marko Mladenovic

Frequent time window changing disruptions result in high secondary delivery rates in the last mile delivery. With the rapid growth of parcel volumes in online shopping, the time window changing disruptions could translate to substantial delivery cost-wastes. In recent years, customer pickup (CP), a…

Mathematical Problems in Engineering, 2018, 2018, pp.2096416. ⟨10.1155/2018/2096416⟩. ⟨hal-03675640⟩

Article dans une revue

Réseau bayésien pour la gestion de l’obsolescence dans une base d’informations en vue de l’évaluation du risque de chute des personnes âgées

Salma Chaieb, Véronique Delcroix, Ali Ben Mrad, Emmanuelle Grislin-Le Strugeon

L’évaluation périodique du risque de chute des personnes âgées requiert des informations fiables et nombreuses. Comme il n’est pas possible de recueillir régulièrement toutes ces informations, les observations sont faites au fil du temps et conservées, ce qui entraîne une problématique liée au…

Revue des Nouvelles Technologies de l'Information, 2018, pp.359-364. ⟨hal-03403027⟩

Article dans une revue

Fuzzy unknown input observer for understanding sitting control of persons living with spinal cord injury

Mathias Blandeau, Víctor Estrada Manzo, Thierry-Marie Guerra, Philippe Pudlo, François Gabrielli

The present paper introduces a simple model to study sitting control for persons with complete thoracic spinal cord injury. The system is obtained via Lagrangian techniques; this procedure leads to a nonlinear descriptor form, which can be written as a TakagiSugeno model. A first attempt to…

Engineering Applications of Artificial Intelligence, 2018, 67, pp.381-389. ⟨10.1016/j.engappai.2017.09.016⟩. ⟨hal-03428425⟩

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⟩