Contribution à la formation en réalité virtuelle : scénarios collaboratifs et intégration d'humains virtuels collaborant avec des utilisateurs réels

Stéphanie Gerbaud 1
1 BUNRAKU - Perception, decision and action of real and virtual humans in virtual environments and impact on real environments
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, ENS Cachan - École normale supérieure - Cachan, Inria Rennes – Bretagne Atlantique
Abstract : Industrial training is an emerging applicative domain for virtual reality. GVT (Generic Virtual Training) is a platform to create virtual environments for individual training on industrial procedures such as maintenance procedures. Nevertheless, industrial needs keep on evolving and a new request concerns training on collaborative procedures. In this thesis, we propose models to extend GVT possibilities to training on collaborative procedures where real users and virtual humans collaborate. We present an activity model for the actors which allows the dynamic substitution of a real user by a virtual human. This model makes an actor perform actions depending on his characteristics, on the scenario, on the environment and also on his partners' activity. We also propose an extension to the scenario language LORA in order to describe collaborative scenarios. Such a scenario describes the assignation of people to actions and integrates collaborative actions. The scenario has been simplified while making implicit some basic actions such as to take or to put back a tool. Finally, we present the action selection mechanism we have set up. Its aim is dual: to enable a virtual human to select an action to perform and to give a trainee some pedagogical advice about the best action to choose. This mechanism has two parts: a global module of action distribution in charge of determining the best candidate for each scenario action and one decisional module per actor. Indeed, an actor uses his collaborative profile (a set of behavioral rules) and the suggestion made by the action distribution module to choose the next action to perform. These models have been integrated to GVT in a prototype. In this thesis we present an applicative scenario which consists in collaboratively assembling a piece of furniture delivered in a kit.
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Stéphanie Gerbaud. Contribution à la formation en réalité virtuelle : scénarios collaboratifs et intégration d'humains virtuels collaborant avec des utilisateurs réels. Informatique [cs]. INSA de Rennes, 2008. Français. ⟨tel-00475589⟩

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