Sensitivity analysis for stochastic user equilibrium traffic assignment with constraints

被引：1
|
作者：
Ji, Kui [1 ,2 ]
Ma, Jianxiao [1 ]
Tang, Wenyun [3 ]
机构：
[1] Nanjing Forestry Univ, Nanjing 210037, Jiangsu, Peoples R China
[2] Jiangsu Inst Urban Planning & Design, Nanjing, Jiangsu, Peoples R China
[3] Southeast Univ, Nanjing, Jiangsu, Peoples R China
来源：
ADVANCES IN MECHANICAL ENGINEERING | 2017年 / 9卷 / 05期
关键词：
Stochastic user equilibrium; sensitivity analysis; link capacity constraints; traffic assignment; traffic flow;
D O I：
10.1177/1687814017704354
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A mathematical programming method for sensitivity analysis of the link-capacitated stochastic user equilibrium model is presented in this article. By the sensitivity matrices, the changes in the network flows can be easily obtained, while some links reach the capacity limits. By link-based stochastic user equilibrium model with link capacity constraints, it is possible to formulate an efficient algorithm for the sensitivity analysis. Two numerical examples are provided for demonstrating the correctness and implementability of the method finally. Since the link capacity is one of the constraints of the model, the method presented here can also be used for the basic model with other constraints.
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页数：7
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