| 无信号交叉口行人过街决策行为分析 |
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| 引用本文： | 韦艳芳,时伟,邝华,宋涛,董力耘.无信号交叉口行人过街决策行为分析[J].上海大学学报(自然科学版),2013,19(3):315-318. |
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| 作者姓名： | 韦艳芳 时伟 邝华 宋涛 董力耘 |
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| 作者单位： | 1. 上海大学 上海市应用数学和力学研究所, 上海 200072; 2. 玉林师范学院 物理科学与工程技术学院, 广西 玉林 537000; 3. 梧州学院 数理系, 广西 梧州 543002; 4. 广西师范大学 物理科学与技术学院, 广西 桂林 541004 |
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| 基金项目： | 国家自然科学基金资助项目(11047003, 11162019, 11172164, 11262005, 10962002, 10902076) |
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| 摘 要： | 通过分析拟合广西梧州市中心城区无信号交叉口的实测数据, 研究了行人的过街决策行为和过街速度, 并在此基础上, 引入了行人决策距离和临界安全距离两个概念. 实测数据表明, 交通平常期行人过街速度在平均速度附近变化: 如果考虑行人在路边的等待时间, 行人的平均过街速度为0.6 m/s; 如果不考虑行人在路边的等待时间,行人的平均过街速度为0.8 m/s. 经统计学D’Agostino法检验发现,交通平常期行人过街的平均速度分布不满足正态分布.
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| 关 键 词： | 过街速度 交通流 决策行为 行人流 |
| 收稿时间： | 2013-01-27 |
Decision-Making Behavior of Pedestrians at Intersection without Traffic Lights |
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| WEI Yan-fang,SHI Wei,KUANG Hua,SONG Tao,DONG Li-yun.Decision-Making Behavior of Pedestrians at Intersection without Traffic Lights[J].Journal of Shanghai University(Natural Science),2013,19(3):315-318. |
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| Authors: | WEI Yan-fang SHI Wei KUANG Hua SONG Tao DONG Li-yun |
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| Affiliation: | 1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China; 2. College of Physical Science and Technology, Yulin Normal University, Yulin 537000, Guangxi, China; 3. Department of Physics and Mathematics, Wuzhou University, Wuzhou 543002, Guangxi, China; 4. College of Physics and Technology, Guangxi Normal University, Guilin 541004, Guangxi, China |
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| Abstract: | This paper conducts a set of field measurements to obtain data of decision-making behavior and crossing speed of pedestrians at an intersection without traffic lights in downtown Wuzhou, Guangxi. The concepts of decision-making distance and critical safety distance are introduced through analysis and fitting of statistical data. The observed data show that pedestrians’ crossing speed at off-peak hour fluctuates around the mean speed and does not perfectly obey the normal distribution based on the D’Agostino test. The mean speed at off-peak hour is only 0.6 m/s when the waiting time is counted, whereas it is 0.8 m/s without considering the waiting time. |
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| Keywords: | crossing speed decision-making behavior pedestrian flow traffic flow |
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