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Article Dans Une Revue IEEE Transactions on Instrumentation and Measurement Année : 2009

Fundamental diagram estimation through passing rate measurements in congestion

Résumé

Classically, fundamental diagrams are estimated from aggregated data at a specific location. Such a measurement method may lead to inconsistency which mainly explain the current controversy about their shape. This paper proposes a new estimation method based on passing rate measurements along moving observer paths. Under specific assumptions, it can be proved that in congestion passing rate is independent of the traffic flow states. This property allows (i) to prove that a linear fundamental diagram is suitable to represent traffic flow behavior involved in the Next Generation Simulation Model (NGSim) dataset; (ii) to fit its two parameters: the congested wave speed and the jam density. Index Terms : Passing rate, macroscopic, NGSIM, fundamental diagram, equilibrium traffic state, traffic flow theory.

Dates et versions

hal-00951982 , version 1 (26-02-2014)

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Citer

N Chiabaut, C Buisson, L Leclercq. Fundamental diagram estimation through passing rate measurements in congestion. IEEE Transactions on Instrumentation and Measurement, 2009, 10 (2), p355-359. ⟨10.1109/TITS.2009.2018963⟩. ⟨hal-00951982⟩
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