ANALYSIS OF TWO-FLUID MODEL USING GPS DATA

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概要

• 論文の詳細を見る

• It is difficult to macroscopically characterize urban transportation network with various traffic operation components. Two-fluid model that was suggested by Herman and Prigogine (1979) is well known as a predominant method based on traffic flow theory, which provides a macroscopic measure of the quality of traffic service in an urban transportation network. The two-fluid model needs individual probe vehicle data such as total travel time, stop and running time per unit distance. Therefore, it is very difficult to collect these input data for practical applications.This paper presents the application of GPS data to the two-fluid model for the "Kangnam" supernetwork in Seoul. The result shows that the GPS data is reliable to estimate the two-fluid model parameters. There are many applications of two-fluid model to urban transportation network in the world, and if more researches are conducted, it is obvious that the two-fluid model would be a useful method to analyze urban transportation network theoretically.

• Eastern Asia Society for Transportation Studiesの論文

著者

• CHUNG Sung

  Center for Transport Infrastructure Investment The Korea Transport Institute

• KHO Seung

  Dept. of Civil, Urban and Geo-systems Engineering Seoul National University

• HONG Sang

  School of Civil, Urban and Geosystems Engineering Seoul National University

• LEE Chungwon

  Division of Transportation Engineering University of Seoul

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