Stochastic Approximations for the Macroscopic Fundamental Diagram of Urban Networks
By Jorge A. Laval, Felipe Castrillón, Yi Zhou. 2015
137 citations recorded by the source corpus.
This paper proposes a theory for estimating the Macroscopic Fundamental Diagram (MFD) on inhomogeneous corridors and networks using probabilistic methods. By exploiting asymmetry property of the stochastic MFD, whereby it exhibits identical probability distributions free-flow and congestion, it is found that the network MFD depends mainly on two dimensionless parameters: the mean block length two green ratio and the mean red to green ratio. Special consideration is given to corridors with short blocks, which can severely reduce network capacity. The theory is validated with an exact traffic simulation and with the empirical data from the city of Yokohama.
Subfields: Control and Systems Engineering, Safety, Risk, Reliability and Quality, Transportation
View Paper: https://www.semanticscholar.org/paper/bc483f66190ed7cdda6abde1453a134a0e74ce4b
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In Control and Systems Engineering
In Safety, Risk, Reliability and Quality
In Transportation
Citations in the corpus
- Macroscopic urban dynamics: Analytical and numerical comparisons of existing models (2017, background): “…ρ = λ0/µc: the initial demand to the outflow-MFD capacity µc ratio • β = tdem/tfree: the demand relaxation time tdem to the MFD free-flow travel time tfree ratio Laval and Castrillon (2015); Laval and Chilukuri (2016) showed that under linear transformation of flow, accumulation, space and…”