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Affichage de 1521 à 1530 sur 2006

Article dans une revue

Higher-Order Sliding Mode Observer for Speed and Position Estimation in PMSM

Suneel Kumar Kommuri, Kalyana Chakravarthy Veluvolu, Michael Defoort, Yeng Chai Soh

This paper presents a speed and position estimation method for the permanent magnet synchronous motor (PMSM) based on higher-order sliding mode (HOSM) observer. The back electromotive forces (EMFs) in the PMSM are treated as unknown inputs and are estimated with the HOSM observer without the need…

Mathematical Problems in Engineering, 2014, 2014, pp.589109. ⟨10.1155/2014/589109⟩. ⟨hal-03644609⟩

Article dans une revue

Current configuration detection in hybrid systems: Application to a conjunction–disjunction mechatronics system

Fayssal Arichi, Cherki Brahim, Mohamed Djemai

This paper deals with the problem of detecting the current conﬁgurations of hybrid mechatronic systems, where theevolution of the discrete part is governed by a Petri net. The considered class of systems may have several subsystems,with diﬀerent dimensions, evolving at the same time. The current…

Mechatronics, 2014, 24 (8), pp.1262-1268. ⟨10.1016/j.mechatronics.2014.09.012⟩. ⟨hal-03430103⟩

Article dans une revue

Active modes and switching instants identification for linear switched systems based on Discrete Particle Swarm Optimization

Sahbi Boubaker, Mohamed Djemai, Noureddine Manamanni, Faouzi M'Sahli

n this paper, a methodology for identifying switching sequences and switching instants of switched linear systems (SLS) is derived. The identification problem of a SLS is a challenging and non-trivial problem. In fact, it involves interaction between binary, discrete and real-valued variables. A…

Applied Soft Computing, 2014, 14 (Part C), pp.482-488. ⟨10.1016/j.asoc.2013.09.009⟩. ⟨hal-03649047⟩

Article dans une revue

Optimization of the Straightness Measurements on Rough Surfaces by Monte Carlo Simulation

François Hennebelle, Thierry Coorevits, Maxence Bigerelle

The straightness error of a coordinate measuring machine (CMM) is determined by measuring a rule standard. Thanks to a reversal technique, the straightness uncertainty of the CMM is theoretically dissociated from the straightness uncertainty of the rule. However, stochastic variations of the whole…

Scanning, 2014, 36 (1), pp.161-169. ⟨10.1002/sca.21114⟩. ⟨hal-03627434⟩

Article dans une revue

To pass or not to pass: More a question of body orientation than visual cues

Aurore Bourrelly, J-L Vercher, L. Bringoux

This study investigated the influence of pitch body tilt on judging the possibility of passing under high obstacles in the presence of an illusory horizontal self-motion. Seated subjects tilted at various body orientations were asked to estimate the possibility of passing under a projected bar (i.e…

Quarterly Journal of Experimental Psychology, 2014, 67 (9), pp.1668-1681. ⟨10.1080/17470218.2013.864687⟩. ⟨hal-01436019⟩

Article dans une revue

Performance of system based on two ontologies in order to supply personalised information

Houda Mnasser, Faiez Gargouri, Mourad Abed

This paper describes two ontologies that form the backbone of our personalised interactive system allowing the passengers to assist, to facilitate their movement and offer them services, entertainment, etc., throughout their journey in the multimodal transport networks. First, we describe here the…

International Journal of Business Performance and Supply Chain Modelling, 2014, 6 (3/4), pp.208-227. ⟨10.1504/IJBPSCM.2014.065266⟩. ⟨hal-03576969⟩

Article dans une revue

Building, sharing and exploiting spatio- temporal aggregates in vehicular networks

Dorsaf Zekri, Bruno Defude, Thierry Delot

This article focuses on data aggregation in vehicular ad hoc networks (VANETs). In such networks, data produced by sensors or crowdsourcers are exchanged between vehicles in order to warn or inform drivers when an event occurs (e.g., an accident, a traffic congestion, a parking space released, a…

Mobile Information Systems, 2014, 10 (3), pp.259 - 285. ⟨10.3233/MIS-130181⟩. ⟨hal-01434331⟩

Article dans une revue

Optimized Hybrids

Sebastien Delprat, Christian Fontaine, Sebastien Paganelli

Today, hybrids are on the road, from affordable micro hybrids providing mostly the stop&start feature, up to more expensive systems with signifi - cant pure electric mode range. One of the challenges is to improve the control algorithms to reach better fuel economy and reduce emissions.…

DSpace Magazine, 2014, 2, pp.35-37. ⟨hal-03644634⟩

Article dans une revue

Folk-IS : Opportunistic Data Services in Least Developed Countries

Nicolas Anciaux, Luc Bouganim, Thierry Delot, Sergio Ilarri, Leila Kloul, Nathalie Mitton, Philippe Pucheral

According to a wide range of studies, IT should become a key facilitator in establishing primary education, reducing mortality and supporting commercial initiatives in Least Developed Countries (LDCs). The main barrier to the development of IT services in these regions is not only the lack of…

Proceedings of the VLDB Endowment (PVLDB), 2014, 7 (5), pp.425-428. ⟨10.14778/2732269.2732278⟩. ⟨hal-03578308⟩

Article dans une revue

Reflection on the Measurement and Use of the Topography of the Indentation Imprint

Julie Marteau, Maxence Bigerelle, Salima Bouvier, Alain Iost

The goal of this paper is to study the main uses of the residual imprint of the indentation test. It also discusses the different technologies and methods employed in this context. The difficulties encountered when trying to exploit the full potentials of the imprint are thoroughly examined. A…

Scanning, 2014, 36 (1), pp.115-126. ⟨10.1002/sca.21107⟩. ⟨hal-01170356⟩