Traffic flow velocity disturbance characteristics and control strategy at the bottleneck of expressway

doi:10.1088/1674-1056/27/12/124502

中国物理B ›› 2018, Vol. 27 ›› Issue (12): 124502-124502.doi: 10.1088/1674-1056/27/12/124502

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Traffic flow velocity disturbance characteristics and control strategy at the bottleneck of expressway

Jun-Wei Zeng(曾俊伟), Yong-Sheng Qian(钱勇生), Xu-Ting Wei(魏谞婷), Xiao Feng(冯骁)

1 School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou 730070, China;
2 School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, China

收稿日期:2018-08-28 修回日期:2018-10-10 出版日期:2018-12-05 发布日期:2018-12-05
通讯作者: Yong-Sheng Qian E-mail:qianyongsheng@mail.lzjtu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 51468034), the Colleges and Universities Fundamental Scientific Research Expenses Project of Gansu Province, China (Grant No. 214148), the Natural Science Foundation of Gansu Province, China (Grant No. 1606RJZA017), and the Universities Scientific Research Project of Gansu Provincial Educational Department, China (Grant No. 2015A-051).

Traffic flow velocity disturbance characteristics and control strategy at the bottleneck of expressway

Jun-Wei Zeng(曾俊伟)¹, Yong-Sheng Qian(钱勇生)¹, Xu-Ting Wei(魏谞婷)¹, Xiao Feng(冯骁)²

1 School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou 730070, China;
2 School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, China

Received:2018-08-28 Revised:2018-10-10 Online:2018-12-05 Published:2018-12-05
Contact: Yong-Sheng Qian E-mail:qianyongsheng@mail.lzjtu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 51468034), the Colleges and Universities Fundamental Scientific Research Expenses Project of Gansu Province, China (Grant No. 214148), the Natural Science Foundation of Gansu Province, China (Grant No. 1606RJZA017), and the Universities Scientific Research Project of Gansu Provincial Educational Department, China (Grant No. 2015A-051).

摘要/Abstract

摘要：

In the three-phase traffic flow studies, the traffic flow characteristic at the bottleneck section is a hot spot in the academic field. The controversy about the characteristics of the synchronized flow at bottleneck is also the main contradiction between the three-phase traffic flow theory and the traditional traffic flow theory. Under the framework of three-phase traffic flow theory, this paper takes the on-ramp as an example to discuss the traffic flow characteristics at the bottleneck section. In particular, this paper mainly conducts the micro-analysis to the effect of lane change under the two lane conditions, as well as the effect of the on-ramp on the main line traffic flow. It is found that when the main road flow is low, the greater the on-ramp inflow rate, the higher the average speed of the whole road section. As the probability of vehicles entering from the on-ramp increases, the flow and the average speed of the main road are gradually stabilized, and then the on-ramp inflow vehicles no longer have a significant impact on the traffic flow. In addition, this paper focuses on the velocity disturbance generated at the on-ramp, and proposes the corresponding on-ramp control strategy based on it, and the simulation verified that the control strategy can reasonably control the traffic flow by the on-ramp, which can meet the control strategy requirements to some extent.

关键词: three-phase traffic flow theory, lane change, velocity disturbance, traffic control strategy

Abstract:

Key words: three-phase traffic flow theory, lane change, velocity disturbance, traffic control strategy

中图分类号: (Granular models of complex systems; traffic flow)

45.70.Vn

89.40.Bb (Land transportation) 89.20.-a (Interdisciplinary applications of physics)

曾俊伟, 钱勇生, 魏谞婷, 冯骁. Traffic flow velocity disturbance characteristics and control strategy at the bottleneck of expressway[J]. 中国物理B, 2018, 27(12): 124502-124502.

Jun-Wei Zeng(曾俊伟), Yong-Sheng Qian(钱勇生), Xu-Ting Wei(魏谞婷), Xiao Feng(冯骁). Traffic flow velocity disturbance characteristics and control strategy at the bottleneck of expressway[J]. Chin. Phys. B, 2018, 27(12): 124502-124502.

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Traffic flow velocity disturbance characteristics and control strategy at the bottleneck of expressway

Traffic flow velocity disturbance characteristics and control strategy at the bottleneck of expressway

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