Approaching system equilibrium with accurate or not accurate feedback information in a two-route system

被引:11
|
作者
Zhao, Xiao-mei [1 ]
Xie, Dong-fan
Li, Qi
机构
[1] Beijing Jiaotong Univ, Sch Traff & Transportat, Beijing 100044, Peoples R China
基金
中国国家自然科学基金;
关键词
Traffic flow; Advanced information feedback strategy; Accurate information; User equilibrium; Bounded rationality; REAL-TIME INFORMATION; INTELLIGENT; STRATEGY;
D O I
10.1016/j.cpc.2014.10.016
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
With the development of intelligent transport system, advanced information feedback strategies have been developed to reduce traffic congestion and enhance the capacity. However, previous strategies provide accurate information to travelers and our simulation results show that accurate information brings negative effects, especially in delay case. Because travelers prefer to the best condition route with accurate information, and delayed information cannot reflect current traffic condition but past. Then travelers make wrong routing decisions, causing the decrease of the capacity and the increase of oscillations and the system deviating from the equilibrium. To avoid the negative effect, bounded rationality is taken into account by introducing a boundedly rational threshold BR. When difference between two routes is less than the BR, routes have equal probability to be chosen. The bounded rationality is helpful to improve the efficiency in terms of capacity, oscillation and the gap deviating from the system equilibrium. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:106 / 114
页数:9
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