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基于ATIS的多用户多准则随机均衡交通配流演化模型 被引量:12

Evolution Model of Multiclass and Multicriteria Stochastic Equilibrium Traffic Assignment Based on ATIS
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摘要 为了刻画实现随机用户均衡态的过程,提出一个考虑多用户参与和多准则决策的随机均衡交通配流演化模型。在模型中,根据时间价值的不同,将出行者分为有限类,每类用户的先进出行者信息系统(ATIS)市场占有率由信息收益确定;出行者依据由出行时间和出行费用线性组合的最小感知阻抗选择出行路径;利用不动点定理分析了模型不动点的存在性。数值试验结果表明:提出的模型能够收敛到不动点,可以模拟网络中ATIS市场占有率和流量的演化过程。 In order to formulate the process of realizing stochastic user equilibrium, authors proposed an evolution model of muhiclass and muhicriteria stochastic equilibrium traffic assignment. In the model, all travelers in a traffic network were discretizedinto finite number of classes according to their values of time and each class was divided into two groups. Advanced traveler information system (ATIS) market penetration of each user was determined by information benefit. Travelers make their route choices by minimum impedance based on linear combination of travel time and travel cost. The fixed point existence of the model was analyzed by the fixed point theorem. Numerical experiment results show that the proposed model can converge to fixed points and can simulate the evolutional process of ATIS market penetration and path flow.
出处 《中国公路学报》 EI CAS CSCD 北大核心 2008年第5期87-90,114,共5页 China Journal of Highway and Transport
基金 国家重点基础研究发展计划("九七三"计划)项目(2006CB705503) 国家自然科学基金项目(70521001)
关键词 交通工程 先进出行者信息系统 演化经济学 随机均衡交通配流 多准则决策 traffic engineering ATIS evolutionary economics stochastic equilibrium traffic as signment multicriteria decision making
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参考文献10

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