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Affichage de 1131 à 1140 sur 2052

Article dans une revue

State feedback stabilization of a class of uncertain nonlinear systems on non-uniform time domains

Bacem Ben Nasser, Khaled Boukerrioua, Michael Defoort, Mohamed Djemai, Mohamed Ali Hammami

This paper deals with the stabilization problem for a class of uncertain nonlinear systems on non-uniform time domains. Some sufficient conditions are derived to design a state feedback controller for a class of uncertain nonlinear time-varying systems under vanishing perturbations. Using some…

Systems and Control Letters, 2016, 97, pp.18-26. ⟨10.1016/j.sysconle.2016.08.005⟩. ⟨hal-03426989⟩

Article dans une revue

Impact of spatial hindrance on sit-to-stand and exit strategies of low mobility passengers

François Gabrielli, Ciska Molenaar, Mathias Blandeau, Philippe Pudlo

Aircraft cabin is considered as a hostile environment for low mobility passengers, especially around seat interaction. Improving air travel experience, and more specifically sit-tostand (STS) and seat exit could be done through digital human modeling, and there is a need for a first description of…

AMSE, Modelling, Measurement & Control, C, 2016, 77 (2), pp.120-129. ⟨hal-03426892⟩

Article dans une revue

Modelling seated postural stability for complete spine cord injury

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

This paper introduces a modelling approach to investigate seated postural stability for subject suffering a complete spine cord injury (SCI). A mechanical model, variation of the double inverted pendulum, is used to represent a subject in the sagittal plane moving back and forth his uppers limbs…

AMSE, Modelling, Measurement & Control, C, 2016, 77 (2), pp.40-50. ⟨hal-03426872⟩

Article dans une revue

Hand use during the lift phase of parallel sitting transfers of two spinal cord injured subjects

Ciska Molenaar, François Gabrielli, Mathias Blandeau, Philippe Pudlo

The purpose of this study is to list the shapes and locations used by both hands of spinal cord injured people during parallel transfers. Two spinal cord injured subjects were filmed while realizing 24 transfers each in a reconstructed aircraft cabin. An observation grid was developed to analyze…

AMSE, Modelling, Measurement & Control, C, 2016, 77 (2), pp.145-154. ⟨hal-03426801⟩

Article dans une revue

Integration of Subjective and Objective Usability Evaluation Based on IEC/IEC 15939: A Case Study for Traffic Supervision Systems

Ahlem Assila, Káthia Marçal de Oliveira, Houcine Ezzedine

Usability evaluation for interactive systems is one of the greatest interests for Human-Computer Interaction community. To support this evaluation, several subjective and objective methods have been proposed and applied in academy and industry. In this context, usability evaluators usually work…

International Journal of Human-Computer Interaction, 2016, 32 (12), pp.931-955. ⟨10.1080/10447318.2016.1220068⟩. ⟨hal-03400578⟩

Article dans une revue

Simulation of continuum electrical conduction and Joule heating using DEM domains

Cédric Hubert, Damien Andre, Laurent Dubar, Ivan Iordanoff, Jean-Luc Charles

This paper proposes an original method to simulate the electrical conduction in continuums with the Discrete Element Method (DEM). The proposed method is based on the graphs theory applied to electrical resistance network, where the resistance between two discrete elements is estimated through the…

International Journal for Numerical Methods in Engineering, 2016, 110 (9), pp.862-877. ⟨10.1002/nme.5435⟩. ⟨hal-02354556⟩

Article dans une revue

An integration of mixed VND and VNS: the case of the multivehicle covering tour problem

Manel Kammoun, Houda Derbel, Mustapha Ratli, Bassem Jarboui

The multivehicle covering tour problem (m-CTP) is a transportation problem with different kinds of locations, where a set of locations must be visited while another set must be close enough to planned routes. Given two sets of vertices V and W, where V represents the set of vertices that may be…

International Transactions in Operational Research, 2016, 24 (3), pp.663-679. ⟨10.1111/itor.12355⟩. ⟨hal-03400545⟩

Article dans une revue

A reliable measure of footwear upper comfort enabled by an innovative sock equipped with textile pressure sensors

Alexis Herbaut, Emilie Simoneau-Buessinger, Franck Barbier, Francis Cannard, Nils Gueguen

Footwear comfort is essential and pressure distribution on the foot was shown as a relevant objective measurement to assess it. However, asperities on the foot sides, especially the metatarsals and the instep, make its evaluation difficult with available equipment. Thus, a sock equipped with…

Ergonomics, 2016, 59 (10), pp.1327-1334. ⟨10.1080/00140139.2016.1142122⟩. ⟨hal-03464811⟩

Article dans une revue

Performance Study of Harmony Search Algorithm for Multilevel Thresholding

Salima Ouadfel, Abdelmalik Taleb-Ahmed

Abstract Thresholding is the easiest method for image segmentation. Bi-level thresholding is used to create binary images, while multilevel thresholding determines multiple thresholds, which divide the pixels into multiple regions. Most of the bi-level thresholding methods are easily extendable to…

Journal of Intelligent Systems, 2016, 25 (4), pp.473-513. ⟨10.1515/jisys-2014-0147⟩. ⟨hal-03426912⟩

Article dans une revue

Variable neighborhood search for minimum linear arrangement problem

Nenad Mladenovic, Dragan Urošević, Dionisio Pérez-Brit

This paper presents a general variable neighborhood search (GVNS) heuristic for solving the maximum diverse grouping problem. Extensive computational experiments performed on a series of large random graphs as well as on several instances of the maximum diversity problem taken from the literature…

Yugoslav Journal of Operations Research, 2016, 26 (1), pp.3-14. ⟨10.2298/YJOR140928038M⟩. ⟨hal-03578687⟩