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Modeling Process of a Third Dimension Universe for Transportation Simulation: Application to Railway System

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In IEEE Intelligent Transportation Systems Magazine (ITSM), 2019.
In past years, 3D models of virtual worlds have been used in several applications such as urban planning, simulation and design. In the railway field, that we chose as a field of application to illustrate our proposals in this article, simulation makes sense because of the complexity involved. The simple fact of make rolling a train requires a specific infrastructure and engages the security of the personnel in the upstream phases of validation. In this context, the simulation makes it possible, safely, to validate different subsystems of the train such as the control system, the equipments of the driver desk, or ensuring the adequacy between the train component behavior and the common use by the drivers through training tools. Creating the model of the virtual universe is a key point. For train component simulation, an accurate and detailed model of the train component is mandatory. For training the drivers within a serious game, a high visual quality is required. Obtaining a single model supporting these two constraints at the same time at the lowest cost is still an open issue and involved many actors. Our contribution is a methodology and a process for creating a virtual universe model, based on automatic model generation, in order to allow the creation of large-scale universes while guaranteeing a level of details appropriate to the need, a model of constant quality and including semantic data necessary for simulation, while reducing the modeling costs and the modeling duration. The proposed process is applied to train simulation.
Modeling and simulation, Modeling process, Product development, Virtual environment, Rail transportation
Publication Category:
International journal with reading committee
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