Scaling from Circuit Experiment to Real Traffic Based on Optimal Velocity Model

Akihiro Nakayama (), Macoto Kikuchi (), Akihiro Shibata (), Yuki Sugiyama (), Shin-ichi Tadaki () and Satoshi Yukawa ()
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Akihiro Nakayama: Meijo University, Faculty of Science and Technology
Macoto Kikuchi: Cybermedia Center, Osaka University
Akihiro Shibata: Computing Research Center, High Energy Accelerator Research Organisation
Yuki Sugiyama: Nagoya University, Department of Complex Systems Science
Shin-ichi Tadaki: Saga University, Department of Information Science
Satoshi Yukawa: Osaka University, Department of Earth and Space Science

A chapter in Traffic and Granular Flow '15, 2016, pp 523-530 from Springer

Abstract: Abstract The optimal velocityNakayama, Akihiro Kikuchi, Macoto Shibata, Akihiro Sugiyama, Yuki Tadaki, Shin-ichi Yukawa, Satoshi (OV) model was proposed to explain the physical mechanism of jam formation. The emergence of a traffic jam can be understood as a kind of dynamical phase transition. We confirmed the physical mechanism by two experiments. In this study, we investigate the relation between experimental results and observations of real traffic based on the OV model. In the OV model, the critical density at which a traffic jam occurs is determined by the OV function. The OV function is estimated from data of headway and velocity obtained by the experiments. Then, we propose a scaling rule of the OV function from the experiments to real traffic. Using this rule, we obtain critical density as a function of a single parameter. The obtained critical density is consistent with the observed values for highway traffic. From this result, we conclude that the jam formation in real traffic is explained by the same mechanism as the circuit experiments.

Keywords: Real Traffic; Tourist Experience; OV Model; Optimal Velocity (OV); Scaling Rules (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-33482-0_66

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DOI: 10.1007/978-3-319-33482-0_66

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