A survey of haptics in serious gaming

Serious gaming often requires high level of realism for training and learning purposes. Haptic technology has been proved to be useful in many applications with an additional perception modality complementary to the audio and the vision. It provides novel user experience to enhance the immersion of virtual reality with a physical control-layer. This survey focuses on the haptic technology and its applications in serious gaming. Several categories of related applications are listed and discussed in details, primarily on haptics acts as cognitive aux and main component in serious games design. We categorize haptic devices into tactile, force feedback and hybrid ones to suit different haptic interfaces, followed by description of common haptic gadgets in gaming. Haptic modeling methods, in particular, available SDKs or libraries either for commercial or academic usage, are summarized. We also analyze the existing research difficulties and technology bottleneck with haptics and foresee the future research directions

Parameters Identification in the Study of Stress Behavior in Nonlinear Magnetostrictive Materials

International audienc

Magnetic flux density calculation using transformation models in 3D NDT systems

International audienc

Parameters Identification in the Study of Stress Behavior in Nonlinear Magnetostrictive Materials

International audienc

Multiples defects analysis using Cartesian-axisymmetric transformations models for NDT systems

The present work deals with the use of conformal mapping method in order to analysis multiples axisymmetric defects using established transformations models [1] for eddy current problems in non-destructive testing (NDT) systems. The interest of such a transformation is the generation of electromagnetic field for axisymmetric problem from only the field distribution known in simpler 2D(x-y) geometry. The transformation technique is applied to both geometry and electromagnetic field distribution and validated by comparing the predicted results to reference data [4]. Then multiples defects are investigated

Two-dimensional Cartesian air-gap element (CAGE) for dynamic finite-element modeling of electrical machines with a flat air gap

This paper extends the air-gap element (AGE) to enable the modeling of flat air gaps. AGE is a macroelement originally proposed by Abdel-Razek et al.for modeling annular air gaps in electrical machines. The paper presents the theory of the new macroelement and explains its implementation within a time-stepped finite-element (FE) code. It validates the solution produced by the new macroelement by comparing it with that obtained by using an FE mesh with a discretized air gap. It then applies the model to determine the open-circuit electromotive force of an axial-flux permanent-magnet machine and compares the results with measurements

Introduction de l'effet de la température dans le modèle de Preisach pour la génération des cycles d'hystérésis

Cet article présente, l'introduction de l'effet de la température dans le modèle de Preisach pour la génération des cycles d'hystérésis en régime quasi-statique, à travers un modèle de comportement en fonction de la température des coefficients “a" et “b" de la Lorentzienne modifiée[1]. Une confrontation, en terme d'induction à saturation, entre les résultats obtenus par le modèle utilisé dans [1] et ceux obtenus par le modèle proposé, par rapport à des résultats de l'expérimentation, donnés dans [1], fait apparaître une meilleure précision des résultats fournis par le modèle proposé

2D Cartesian Air-Gap Element (CAGE) for Dynamic Finite Element Modeling of Electrical Machines with a Flat Air-Gap.

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