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| | Research on urban traffic network equilibrium theory has started in 1952. The application of theory in the traffic equilibrium assignment has not solved. The people have always kept on seeking solution, in the paper, the simple and direct nonequilibrium assignment methods are adopted in the solution process of equilbrium assignment. The analytic results of a traffic plarming instance show that the solution is practical and reliable. | | 城市交通网络平衡理论研究起源于 20世纪 50年代初,其理论成果运用到实际交通平衡分配问题一直未能得到很好的解决,其原因是平衡模型的维数高、约束条件多、求解困难且算法运算时间长。寻求其解法的途径一直是人们研究的热点,本文试图把非平衡分配模型解法运用到平衡分配中去,寻求平衡问题的解法,此法在交通规划实践中得到应用和评测,效果良好。 | | 文摘来源 | | Authors present a network equilibrium model for investigating travel behavior with combined travel mode under elastic demand.Using the network equilibrium theory and super network approach,an equivalent variational inequality model is proposed.Moreover,the properties of the proposed model are also discussed.A solution algorithm for solving the model is proposed and validated by a numerical example.The results show that the proposed model can truly capture the travel behav... | | 研究了弹性需求下的组合出行行为,利用网络均衡理论和超级网络方法,给出了弹性需求下组合方式出行的混合网络均衡条件,提出了与均衡条件等价的变分不等式模型,讨论了模型解的存在性和唯一性。设计了求解模型的算法,并用一个算例分析了模型参数对模型求解结果和算法收敛性能的影响。结果表明:该模型能够有效地描述人们的组合出行行为。这一研究将有助于加深对交通行为的理解,有助于合理规划与布局停车换乘设施以及协调发展多种交通方式。 | | 文摘来源 | |   |
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