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交通信息发布条件下确定性均衡和随机均衡的存在性分析与比较
引用本文:刘建美,马寿峰,马帅奇.交通信息发布条件下确定性均衡和随机均衡的存在性分析与比较[J].系统工程,2009(10).
作者姓名:刘建美  马寿峰  马帅奇
作者单位:天津大学系统工程研究所;济宁学院数学系;
基金项目:国家自然科学基金资助项目(70671073); 国家高技术研究发展计划项目(863,2006AA11Z210); 天津市科技支撑计划重点项目(08ZCKFSF01000)
摘    要:在路径费用为二次分段函数的假设条件下讨论了确定性均衡解和有信息发布时的随机均衡解存在的充要条件,并对相应条件下交通信息的有效性进行了评价,得到了一系列较为实用的解析性结论,最后给出了若干算例分析。

关 键 词:交通信息  确定性均衡  随机均衡  有效性  

Analysis of Existence of and Contrast between Deterministic Equilibrium and Stochastic Equilibrium under the Condition of Traffic Information Release
LIU Jian-mei,MA Shou-feng,MA Shuai-qi.Analysis of Existence of and Contrast between Deterministic Equilibrium and Stochastic Equilibrium under the Condition of Traffic Information Release[J].Systems Engineering,2009(10).
Authors:LIU Jian-mei  MA Shou-feng  MA Shuai-qi
Institution:LIU Jian-mei1,MA Shou-feng1,MA Shuai-qi2(1.Institute of Systems Engineering,Tianjin University,Tianjin 300072,China,2.Department of Mathematics,Jining University,Jining 272000,China)
Abstract:This paper presents the necessary and sufficient conditions of User Equilibrium and Logit Equilibrium with traffic information release under the assumption that all the route cost functions are quadratic piecewise analytic.Then the effectiveness of traffic information is discussed and some realistic analytic results are produced.Finally,several examples are given.
Keywords:Traffic Information  Deterministic Equilibrium  Stochastic Equilibrium  Effectiveness  
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