交通信息与安全Issue(3)：22-26,5.DOI:10.3963/j.issn1674-4861.2014.03.005
基于累积前景理论的拥挤阈值计算模型
Calculation Model of Congestion Threshold Based on Cumulative Prospect Theory
摘要
Abstract
Releasing travel information to guide travelers'travel choice is an effective way to relieve traffic conges-tion .In order to describe the influence mechanism between road congestion extent and travelers'route choice decisions , the cumulative prospect theory is used to model travelers'decision-making process ,and the travelers'different congestion cognitive model s and congestion information demand are analyzed .The concept of road network congestion threshold is analyzed ,and the calculation model of road network congestion threshold is constructed based on Cumulative Prospect Theory (CPT) with travel time as decision index .In the numerical example part ,travelers congestion cognition and travel decisions are modeled with a simple road network .The result of numerical example reveals congestion threshold's influ-ence on route choice decisions ,and verifies that the congestion threshold is the cut-off point of decision change in travelers'decision-making process .Travelers will not change route when travel time is within congestion threshold ;when travel time exceeds the congestion threshold ,traveler will choose another route to travel .关键词
城市交通/拥挤阈值/累积前景理论/路径选择/拥挤认知Key words
urban traffic/congestion threshold/Cumulative Prospect Theory (CPT )/route choice/congestion cognition分类
交通工程引用本文复制引用
冯川,戢晓峰,刘敏..基于累积前景理论的拥挤阈值计算模型[J].交通信息与安全,2014,(3):22-26,5.基金项目
国家自然科学基金项目（批准号61263025）、汽车仿真与控制国家重点实验室开放基金项目（批准号20111116）、中国物流学会研究课题计划（批准号2013CSLKT110）资助 （）
