| 运用连续平衡分配模型分析竞争性公共交通枢纽设施的市场份额 |
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| 引用本文： | 杜豫川,孙立军,黄仕进.运用连续平衡分配模型分析竞争性公共交通枢纽设施的市场份额[J].中国公路学报,2004,17(3):102-107. |
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| 作者姓名： | 杜豫川 孙立军 黄仕进 |
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| 作者单位： | 1. 同济大学道路与交通工程教育部重点实验室,上海,200092
2. 香港大学土木工程系,香港 |
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| 基金项目： | 香港研究基金会项目(HKU 7015/00E) |
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| 摘 要： | 在分析城市交通体系特征的基础上,运用连续函数的处理方法,建立了连续型的城市交通体系模型;同时讨论了相关因素对出行者选择行为的影响,提出了确定型的出行选择模型。结合交通分配理论,建立了多类型出行者的确定型连续平衡分配模型来分析竞争性公共交通枢纽设施的市场份额问题。模型被证明满足用户平衡条件和相关约束条件,并可利用以有限元算法为基础的迭代解法求得模型的数值解,从而计算出竞争性公共交通枢纽设施的市场份额。模拟城市算例的结果说明了提出的模型和算法的有效性和可靠性。
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| 关 键 词： | 交通运输经济 市场份额 有限元算法 连续平衡分配模型 多类型出行者 |
| 文章编号： | 1001-7372(2004)03-0102-06 |
| 修稿时间： | 2003年9月14日 |
Research on market shares of competitive public transportation pivot facilities with continuous equilibrium assignment model |
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| DU Yu-chuan,SUN Li-jun,HUANG Shi-jin Education,Tongji University,Shanghai ,China.Research on market shares of competitive public transportation pivot facilities with continuous equilibrium assignment model[J].China Journal of Highway and Transport,2004,17(3):102-107. |
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| Authors: | DU Yu-chuan SUN Li-jun HUANG Shi-jin Education Tongji University Shanghai China |
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| Institution: | DU Yu-chuan~1,SUN Li-jun~1,HUANG Shi-jin~2 Education,Tongji University,Shanghai 200092,China, 2. Department of Civil Engineering,University of Hong Kong,Hong Kong,China) |
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| Abstract: | Based on characteristic of urban transportation,authors consider the urban transportation network as one commodity. According to analyzing impact factors of traveler choice behavior, a deterministic model is used.Combined with traffic assignment theory,a multi-class continuous equilibrium model is given to analyze market shares of competitive public transportation pivot facilities.The model is proved to satisfied user equilibrium condition and other constraint conditions.An efficient iterative method using finite element technique is proposed to solve the optimal model problem,and the market share can be got with the solution of the model. Finally,a numerical example is illustrated to show the effectiveness and reliability of the proposed method. |
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| Keywords: | transportation economy market share finite element solution continuous equilibrium assignment model multi-class traveler |
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