| Complex Behaviour for the Origin and Destination Matrix Estimation Problem |
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| 作者姓名： | 孙会君 吴建军 |
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| 作者单位： | [1]State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044 [2]School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 70225005, 70501005, 70501004 and 70471088, and the Natural Science Foundation of Beijing under Grant No 9042006, the Innovation Foundation of Science and Technology for Excellent Doctorial Candidate of Beijing Jiaotong University （No 48006）. |
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| 摘 要： | The origin and destination （O-D） matrix estimation is an important problem in traffic networks. We apply the gravitation model to express the preference attachment and to analyse the statistical characteristics of the traffic flow in each O-D pair in theory. It is found that the distribution of the future O-D matrix decays as a power law. Additionally, different exponents are obtained for both the constant and variable link cost.
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| 关 键 词： | 复杂行为 矩阵估计问题 流通网络 统计特性 |
| 收稿时间： | 2006-03-31 |
| 修稿时间： | 2006-03-31 |
Complex Behaviour for the Origin and Destination Matrix Estimation Problem |
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| SUN Hui-Jun,WU Jian-Jun.Complex Behaviour for the Origin and Destination Matrix Estimation Problem[J].Chinese Physics Letters,2006,23(8):2323-2326. |
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| Authors: | SUN Hui-Jun WU Jian-Jun |
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| Institution: | 1.State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044; 2.School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044 |
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| Abstract: | The origin and destination (O-D) matrix estimation is an important problem in traffic networks. We apply the gravitation model to express the preference attachment and to analyse the statistical characteristics of the traffic flow in each O-D pair in theory. It is found that the distribution of the future O-D matrix decays as a power law. Additionally, different exponents are obtained for both the constant and variable link cost. |
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| Keywords: | 89 75 Da 89 75 Hc 89 75 Hb |
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