杭州湾跨海大桥道路交通流的建模与模拟
PDF下载 (272)祝会兵,张 鹏,陈 健,于 颖,沈 翔,郑哲溢,尤哲楷,钱发胜,李青松.杭州湾跨海大桥道路交通流的建模与模拟[J].宁波大学学报(理工版),2021,34(4):101-107.DOI:
ZHU Huibing,ZHANG Peng,CHEN Jian,YU Ying,SHEN Xiang,ZHENG Zheyi,YOU Zhekai,QIAN Fasheng,LI Qingsong.Modeling and simulation of traffic flow on road section of Hangzhou Bay Bridge[J].Journal of Ningbo University(Natural Science & Engineering Edition),2021,34(4):101-107.DOI:
| Title: | Modeling and simulation of traffic flow on road section of Hangzhou Bay Bridge |
| 作者: | 祝会兵, 张 鹏, 陈 健, 于 颖, 沈 翔, 郑哲溢, 尤哲楷, 钱发胜, 李青松 |
| Author(s): | ZHU Huibing, ZHANG Peng, CHEN Jian, YU Ying, SHEN Xiang, ZHENG Zheyi, YOU Zhekai, QIAN Fasheng, LI Qingsong |
| 关键词: | 交通流模型; 元胞自动机; 杭州湾跨海大桥; 交通实测数据; 开放式边界 |
| Keywords: | traffic flow model; cellular automata; Hangzhou Bay Bridge; real traffic data; open boundary |
| 分类号: | O242 |
| 文献标识码: | A |
| 摘要: | 在杭州湾跨海大桥道路交通流实测数据统计分析的基础上, 提出了开放式边界的单向三车道元胞自动机交通流模型, 考虑了小车和大车的不同运动性能, 并区分激进型司机与谨慎型司机的不同驾驶特征, 根据杭州湾跨海大桥不同时段的实测车流量, 对模型中开放式边界的进车率进行了识别. 依据提出的模型模拟得到杭州湾跨海大桥路段不同密度时的车流量, 经与实测数据比较, 两者吻合良好, 表明本文提出的交通流模型符合杭州湾跨海大桥交通流的实际情况. 同时, 通过展示车辆的时空演化图, 从微观的角度分析了杭州湾跨海大桥路面交通流所表现出的宏观特征, 有望为杭州湾跨海大桥的交通优化与管理提供理论依据. |
| Abstract: | Based on the statistical analysis of the traffic flow data collected from Hangzhou Bay Bridge, a one-way three-lane cellular automata traffic flow model with open boundary is proposed, which takes into account the different moving performance of cars and trucks, and differentiates the driving characteristics of aggressive drivers from cautious drivers. The vehicles’ throughput in the open boundary system is identified according to the real data of traffic flow collected at Hangzhou Bay Bridge in different timespans. Then the traffic flows are obtained after the numerical simulation with the traffic model. The results are in good agreement with those obtained from the real traffic data. It indicates that the proposed traffic model fits the real traffic situations on Hangzhou Bay Bridge. From the spatial-temporal profiles of the traffic flow, the macroscopic characteristics of the traffic flow are analyzed in the view of the microscopic perspective. And it is expected to provide the theoretical basis for the traffic optimization and management at the road section of Hangzhou Bay Bridge. |
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| 备注/Memo: | 收稿日期: 2021－02－07. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/ 基金项目: 宁波市公益性计划项目（202002N3199）. 第一作者: 祝会兵（1966－）, 女, 浙江宁波人, 教授, 主要研究方向: 交通流建模与交通优化. E-mail: zhuhuibing@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
