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Utilisation de la réalité prolongée pour la formation aux gestes de lutte contre les incendies

Jean Vareille 1 Mehdi Tahan 2 Olivier Danjean 2 Laurent Nana 1
1 Lab-STICC_UBO_CID_IRIS
IBNM - Institut Brestois du Numérique et des Mathématiques, Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
Abstract : This work is related to the safety training of employees in the industry. It has a link with the Immaterial Conservatory of Technical and Professional Gestures Project presented at CFM2015. The problem is to learn safety gestures in a simulation environment as close as possible to actual situations. The use of virtual reality seems to be the right way, but the creation of numerical models in volume, and their continuous updating constitute a major obstacle to the generalization of their use. On the other hand, when the trained person has to use a heavy object such as a fire extinguisher or a fire axe in the reality of the incident, the virtual environment does not make it easy to give him a feedback of mechanical force reflecting inertia or resistances that oppose gestures. We opted for the creation of a mixed environment, in a room, with a real part in the foreground and a scene projected on a very large screen. We use a 4K or HD video projector that projects a scale-1 image at the transition plane between the actual space and the projected image about 2 meters away from the user. The projected image consists of a shot in the real rooms of the plant, enriched by a Unity virtual reality engine that adds flames, suspended dust, smoke, objects that fly in succession of explosions, and which broadcasts the corresponding sounds as needed. In the foreground in the real world we find standard objects identical to those in the room: tables, cabinets, lockers, chairs, and the actual tools used for the operation: fire axe, fire extinguisher, etc. The trainee performs exercises of rather short duration. The effectiveness of the system is evaluated through a discussion with the trainees who report their sensations and by the measurement of the execution times. The comparison with the usual real simulators shows comparable results. If today the simulated reality environment remains relatively expensive, we can predict that the investment will be able to be amortized after a few tens of trained people.
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  • HAL Id : hal-01691020, version 1

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Jean Vareille, Mehdi Tahan, Olivier Danjean, Laurent Nana. Utilisation de la réalité prolongée pour la formation aux gestes de lutte contre les incendies. Congrès Français de Mécanique (CFM2017), Association Française de Mécanique (AFM), Aug 2017, Lille, France. ⟨hal-01691020⟩

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