|Table of Contents|

Supply demand analysis model of urban traffic system based on system dynamics(PDF)

《长安大学学报（社科版）》[ISSN:1671-6248/CN:61-1391/C]

Issue:
2017年03期
Page:
31-37
Research Field:
交通运输
Publishing date:

Info

Title:
Supply demand analysis model of urban traffic system based on system dynamics
Author(s):
MA Shu-hong1;  SUN Chao-xu2
1. School of Highway, Chang’an University,2. Zhejiang Jinquli Gas co., LTD
Keywords:
urban transportation system;  system dynamics;  relationship between supply and demand;  simulation;  traffic demand management
PACS:
F294
DOI:
-
Abstract:
Urban transportation system is a multivariable, multifeedback, and nonlinear complex system. There are mutual restrictions between its elements, and it is necessary to scientifically describe the dynamic mechanism of this system. This paper set the boundary of urban traffic system by use of the method of system dynamics, analyzed the causal feedback effect relations between various elements of the internal system, and presented a flow chart of urban transportation system. Based on that, a system dynamics model of urban traffic system was established, and the relationship between supply and demand of urban traffic system was studied to present the main equations of the model. Taking Xi’an as an example, this paper simulated the model and estimated the development trend of supply and demand. The analysis results show that there are serious imbalances in the proportion of longterm supply and demand. Some proper traffic demand management policies can be adopted to ease the contradiction between demand and supply, such as taking Transit Priority Policy, developing urban public traffic system.

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Last Update: 2017-07-11