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Article dans une revue

Identification of Johnson-Cook's Viscoplastic Model Parameters Using the Virtual Fields Method: Application to Titanium Alloy Ti6Al4V

Delphine Notta-Cuvier, Bertrand Langrand, Eric Markiewicz, Franck Lauro, Gérald Portemont

The identification of viscoplastic material parameters is addressed using a new powerful method: the virtual fields method (VFM). Contrary to classical procedures that are statically determined, the VFM is applied to heterogeneous mechanical fields. Without any hypotheses of homogeneity required,…

Strain, 2013, 49 (1), pp.22-45. ⟨10.1111/str.12010⟩. ⟨hal-03624231⟩

Article dans une revue

The control of myopic behavior in semi-heterarchical production systems: A holonic framework

Gabriel Zambrano Rey, Cyrille Pach, Nassima Aissani, Abdelghani Bekrar, Thierry Berger, Damien Trentesaux

Heterarchical control architectures are essentially founded on cooperation and full local autonomy, resulting in high reactivity, no master/slave relationships and local information retention. Consequently, these architectures experience myopic decision-making, bringing entities towards local…

Engineering Applications of Artificial Intelligence, 2013, 26 (2), pp.800-817. ⟨10.1016/j.engappai.2012.08.011⟩. ⟨hal-03468617⟩

Article dans une revue

Numerical approximation for options pricing of a stochastic volatility jump-diffusion model

Rajae Aboulaich, Fouzia Baghery, Abdelilah Jraifi

In this paper, we are interested in pricing options (European and Quanto) by a Model in which the asset prices follow a jump-diffusion model with a stochastic volatility in n dimensions. The stochastic volatility also follows the jump-diffusion in d dimensions. We've already stated the…

International Journal of Applied Mathematics and statistics, 2013, 50 (20), pp.69-82. ⟨hal-03134982⟩

Article dans une revue

Trunk’s natural inclination influences stance limb kinetics, but not body kinematics, during gait initiation in able men

Sebastien Leteneur, Emilie Simoneau-Buessinger, Christophe Gillet, Yoann Dessery, Franck Barbier

The imposing mass of the trunk in relation to the whole body has an important impact on human motion. The objective of this study is to determine the influence of trunk's natural inclination - forward (FW) or backward (BW) with respect to the vertical - on body kinematics and stance limb…

PLoS ONE, 2013, 8 (1), pp.e55256. ⟨10.1371/journal.pone.0055256⟩. ⟨hal-03544446⟩

Article dans une revue

Switching Lyapunov functions for periodic TS systems

Zsofia Lendek, Jimmy Lauber, Thierry-Marie Guerra

This paper considers the stability analysis of periodic Takagi-Sugeno fuzzy models. For this we use a switching Lyapunov function defined at the time instants when the subsystems switch. Using the developed conditions we are able to prove the stability of periodic TS systems where the local models…

Systems and Control Letters, 2013, 62 (4), pp.303-310. ⟨10.3182/20120403-3-DE-3010.00032⟩. ⟨hal-03468439⟩

Article dans une revue

Analysis of inverse method applied on sandwich probes

Emna Berrich, Fethi Aloui, Jack Legrand

Parallel plate disks (PPD) are often used for analyzing the effect of small amplitude oscillations with different frequencies. These devices allow the imposing of a well-known flow kinematics. Mass transfer problems and, particularly, convection-diffusion problems relating wall shear rate to mass…

Journal of Fluids Engineering, 2013, 135 (1), ⟨10.1115/1.4007888⟩. ⟨hal-03521107⟩

Article dans une revue

Experimental validation and critical analysis of inverse method in mass transfer using electrochemical sensor

Emna Berrich, Fethi Aloui, Jack Legrand

Rehimi et al. [1] numerically studied the frequency response of an electrochemical probe. They applied an inverse sequential algorithm of the convection diffusion equation to simulated periodic mass transfer signals in order to determine the wall shear rate. This paper presents an experimental…

Experimental Thermal and Fluid Science, 2013, 44, pp. 253-263. ⟨10.1016/j.expthermflusci.2012.07.001⟩. ⟨hal-03520746⟩

Article dans une revue

Embedded Holonic Fault Diagnosis of Complex Transportation Systems

Antoine Le Mortellec, Joffrey Clarhaut, Yves Sallez, Thierry Berger, Damien Trentesaux

The use of electronic equipment and embedded computing technologies in modern complex transportation systems continues to grow in a highly competitive market, in which product maintainability and availability is vital. These technological advances also make fault diagnosis and maintenance…

Engineering Applications of Artificial Intelligence, 2013, 26 (1), pp.227-240. ⟨10.1016/j.engappai.2012.09.008⟩. ⟨hal-03041257⟩

Communication dans un congrès

On stabilization of discrete-time periodic TS systems

Zsofia Lendek, Jimmy Lauber, Thierry-Marie Guerra, Paula Raica

In this paper we consider controller design for periodic Takagi-Sugeno fuzzy models. For this, we use a periodic nonquadratic Lyapunov function defined at the time instants when the subsystems switch. Using the proposed conditions we are able to handle periodic Takagi-Sugeno systems where the local…

IEEE International Conference on Fuzzy Systems, Jul 2013, Hyderabad, India. ⟨10.1109/FUZZ-IEEE.2013.6622308⟩. ⟨hal-03461732⟩

Article dans une revue

Benchmarking Flexible Job-Shop Scheduling and Control Systems

Damien Trentesaux, Cyrille Pach, Abdelghani Bekrar, Yves Sallez, Thierry Berger, Thérèse Bonte, Paulo Leitão, José Barbosa

Benchmarking is comparing the output of different systems for a given set of input data in order to improve the system's performance. Faced with the lack of realistic and operational benchmarks that can be used for testing optimization methods and control systems in flexible systems, this…

Control Engineering Practice, 2013, 21 (9), pp.1204-1225. ⟨10.1016/j.conengprac.2013.05.004⟩. ⟨hal-03405597⟩