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Article Dans Une Revue Simulation Modelling Practice and Theory Année : 2018

Two Distribution Methods for Multiagent Traffic Simulations

Résumé

Modeling and simulation play an important role in transportation networks analysis. With the widespread use of personalized real-time information sources, the behavior of the simulation depends heavily on individual travelers reactions to the received information. As a consequence, it is relevant for the simulation model to be individual-centered, and multiagent simulation is the most promising paradigm in this context. However, representing the movements of realistic numbers of travelers within reasonable execution times requires significant computational resources. It also requires relevant methods, architectures and algorithms that respect the characteristics of transportation networks. In this paper, we define two multiagent simulation models representing the existing sequential multiagent traffic simulations. The first model is fundamental diagram-based model, in which travelers do not interact directly and use a fundamental diagram of traffic flow to continuously compute their speeds. The second model is car-following based, in which travelers interact with their neighbors to adapt their speeds to their surrounding environment. Then we define patterns to distribute these simulations in a high-performance environment. The first is agent-based and distributes agents equally between available computation units. The second pattern is environment-based and partitions the environment over the different units. The results show that agent-based distribution is more efficient with fundamental diagram-based model simulations while environment-based distribution is more efficient with car following-based simulations.
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Dates et versions

hal-01961819 , version 1 (20-12-2018)

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Matthieu Mastio, Mahdi Zargayouna, Gérard Scemama, Omer Rana. Two Distribution Methods for Multiagent Traffic Simulations. Simulation Modelling Practice and Theory, 2018, 89, pp 35-47. ⟨10.1016/j.simpat.2018.09.005⟩. ⟨hal-01961819⟩
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