Derivation of a Macroscopic LWR Model from a Microscopic follow-the-leader Model by Homogenization

Abstract : The goal of this paper is to derive a traffic flow macroscopic model from a microscopic model with a transition function. At the microscopic scale, we consider a first order model of the form “follow the leader” i.e. the velocity of each vehicle depends on the distance to the vehicle in front of it. We consider two different velocities and a transition zone. The transition zone represents a local perturbation operated by a Lipschitz function. After rescaling, we prove that the “cumulative distribution function” of the vehicles converges towards the solution of a macroscopic homogenized Hamilton-Jacobi equation with a flux limiting condition at junction which can be seen as a LWR model.
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Nicolas Forcadel, Mamdouh Zaydan. Derivation of a Macroscopic LWR Model from a Microscopic follow-the-leader Model by Homogenization. 27th IFIP Conference on System Modeling and Optimization (CSMO), Jun 2015, Sophia Antipolis, France. pp.272-281, ⟨10.1007/978-3-319-55795-3_25⟩. ⟨hal-01626910⟩

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