|Table of Contents|

Layout optimizing model of external passenger transport hub in metropolis(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2010年02期
Page:
75-81
Research Field:
交通运输规划与管理
Publishing date:
2010-04-20

Info

Title:
Layout optimizing model of external passenger transport hub in metropolis
Author(s):
LI Xu-hong1;  XIAO Wei-zhou1; 2;  CHEN Da-wei1;  XU Zhong1;  ZHU Yan-dong1
1. School of Transportation, Southeast University, Nanjing 210096, Jiangsu, China; 2. School of Urban Rail Transportation, Soochow University, Suzhou 215021, Jiangsu, China
Keywords:
external passenger transport hub;  layout optimization;  bi-level planning;  genetic algorithm;  method of successive averages
PACS:
U492.11
DOI:
-
Abstract:
The features of external passenger transport hub were analyzed, and a bi-level planning model of hub layout was established from the views of transport policy-makers and users. The upper-level model was from the perspective of policy-makers, its target was the minimum of time consumptions of all travelers by optimizing hub layout, and it was solved by genetic algorithm. The lower-level model was from the perspective of users, the traveling characteristics of passengers were described, the rational routes of passengers were arranged by adopting stochastic user equilibrium model, and the lower-level model was solved by the method of successive averages. Example result indicates that under the constraints that three, four or five transport hubs are allowed to be constructed at most, the optimal fitness of the model reaches a constant value with 100 generations of evolution, and its convergence rate is fast, so the bi-level planning model is valid. 2 tabs, 7 figs, 11 refs.

References:

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Memo

Memo:
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Last Update: 2010-04-20