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Affichage de 1521 à 1530 sur 2052

Article dans une revue

Nested backward compensation of unmatched perturbations via HOSM observation

Alejandra Ferreira de Loza, E. Punta, Leonid Fridman, Georgio Bartolini, Sebastien Delprat

This paper tackles the compensation problem of linear time invariant systems affected by unmatched perturbations. The proposed methodology exploits a high order sliding mode observer, guaranteeing theoretically exact state and perturbation estimation. A compensation based strategy is proposed to…

Journal of The Franklin Institute, 2014, 351 (5), pp.2397-2410. ⟨10.1016/j.jfranklin.2013.12.011⟩. ⟨hal-03644604⟩

Article dans une revue

Heat transfer of Cu–water nanofluid in an enclosure with a heat sink and discrete heat source

Hamdy Hassan

Heat transfer inside horizontal and vertical enclosure filled with Cu-water nanofluid is studied. A heat sink with rectangular fins represents the base plate of the enclosure where it is heated by a discrete heat source at the bottom of the heat sink. The front face of the heat sink is kept at…

European Journal of Mechanics - B/Fluids, 2014, 45, pp.72-83. ⟨10.1016/j.euromechflu.2013.12.003⟩. ⟨hal-03663387⟩

Article dans une revue

Identification of Friction Law to Model Orthogonal Cutting

Yannick Senecaut, Michel Watremez, Julien Brocail, Laurent Dubar

A first approach of tool-chip interface behaviour for high-speed machining modelling has been carried out by Al Brocail and 2010 and an empirical friction law has been first determined. This law has been established for high temperatures (initial sample temperature equal to 750 K) and low sliding…

Key Engineering Materials, 2014, 611-612, pp.1194-1201. ⟨10.4028/www.scientific.net/KEM.611-612.1194⟩. ⟨hal-03473238⟩

Article dans une revue

Balance control in gait children with cerebral palsy

Laura Wallard, Gilles Dietrich, Yves Kerlirzin, Jonathan Bredin

This study sought to highlight the balance control process during gait in children with cerebral palsy (CP) by analyzing the different strategies used in order to generate forward motion while maintaining balance. Data were collected using a motion analysis system in order to provide a clinical…

Gait & Posture, 2014, 40 (1), pp.43-47. ⟨10.1016/j.gaitpost.2014.02.009⟩. ⟨hal-03520881⟩

Article dans une revue

ORCA-FMS: a dynamic architecture for the optimized and reactive control of flexible manufacturing scheduling

Cyrille Pach, Thierry Berger, Thérèse Bonte, Damien Trentesaux

Reactive and effective hybrid manufacturing control architectures, combining hierarchy and heterarchy adapted to the current constraints of the industrial market and its environment were created. In this article, a new generic hybrid control architecture called ORCA (dynamic Architecture for an…

Computers in Industry, 2014, 65 (4), pp.706-720. ⟨10.1016/j.compind.2014.02.005⟩. ⟨hal-03648952⟩

Article dans une revue

Widgets Dedicated to User Interface Evaluation

Selem Charfi, Abdelwaheb Trabelsi, Houcine Ezzedine, Christophe Kolski

In this article, evaluation-based widgets are proposed as a contribution to assist evaluators for early evaluation of user interfaces. This contribution imbricates the ergonomic quality evaluation process into widgets used for user-interface graphical composition. In other words, these widgets…

International Journal of Human-Computer Interaction, 2014, 30 (5), pp.408-421. ⟨10.1080/10447318.2013.873280⟩. ⟨hal-03280650⟩

Article dans une revue

Control predictor con ponderación de retardos: análisis de prestaciones y robustez ante retardo variable, Weighted-delay predictor-based control: Performance and robustness analysis with time-varying delay

Antonio González, Antonio Sala

Los controladores basados en predictor, en particular los obtenidos por métodos de asignación finita de espectro (también conocido como método de reducción), permiten abordar el control por realimentación del estado de sistemas con retardos constantes y conocidos a partir de un modelo equivalente…, Predictor-based controllers, in particular those obtained by Finite Spectrum Assignment (a.k.a. reduction) method, allow controlling systems with constant and known delays by using an equivalent delay-free model. However, if delay is time-varying or there exist uncertainties in the process model,…

Revista Iberoamericana de Automática e Informática Industrial RIAI, 2014, 11 (2), pp.155-166. ⟨10.1016/j.riai.2013.11.008⟩. ⟨hal-03663375⟩

Article dans une revue

Non-associated viscoplasticity coupled with an integral-type nonlocal damage model for mineral filled semi-crystalline polymers

Romain Balieu, Franck Lauro, Bruno Bennani, Tsukatada Matsumoto, Ernesto Mottola

A non-associated viscoplastic model coupled with nonlocal damage under finite strain framework is developed to simulate the non-isochoric deformation and the damage process exhibiting strain-softening of a 20% mineral filled semi-crystalline polymer. The logarithmic spin tensor properties linking…

Computers & Structures, 2014, 134, pp.18-31. ⟨10.1016/j.compstruc.2013.12.006⟩. ⟨hal-03624495⟩

Article dans une revue

Reactive and energy-aware scheduling of flexible manufacturing systems using potential fields

Cyrille Pach, Thierry Berger, Yves Sallez, Thérèse Bonte, Emmanuel Adam, Damien Trentesaux

This paper presents a reactive scheduling approach for flexible manufacturing systems, which integrates the overall energy consumption of the production. This work is justified by the growing needs of manufacturers for energy-aware control, due to new important environmental criteria, which holds…

Computers in Industry, 2014, 65 (3), pp.434-448. ⟨10.1016/j.compind.2013.11.008⟩. ⟨hal-03578752⟩

Article dans une revue

High-gain observer with sliding mode for nonlinear state estimation and fault reconstruction

Kalyana Chakravarthy Veluvolu, Michael Defoort, Yeng Chai Soh

This paper develops a high gain observer with multiple sliding modes for simultaneous state and fault estimations for MIMO nonlinear systems. The novelty lies in the observer design that employs the combination of high-gain observer and sliding mode observer. The proposed observer does not impose…

Journal of The Franklin Institute, 2014, 351 (4), pp.1995-2014. ⟨10.1016/j.jfranklin.2012.12.018⟩. ⟨hal-03644613⟩