Influence of Road Geometrics on Car-following of the Intelligent Driver Model

被引：0
|
作者：
Qin P.-P. [1 ]
Pei S.-K. [1 ]
Yang C.-L. [1 ]
Meng Q. [2 ]
Wan Q. [3 ]
机构：
[1] College of Mechanical Engineering, Guangxi University, Nanning
[2] College of Automotive Engineering, Jilin University, Changchun
[3] Hua Lan Desgin (group)CO., LTD., Nanning
来源：
Jiaotong Yunshu Xitong Gongcheng Yu Xinxi J. Transp. Syst. Eng. Inf. Technol. | / 6卷 / 77-84期
基金：
中国国家自然科学基金;
关键词：
Car-following; Intelligent driver model (IDM); Road geometrics; Traffic engineering; Vehicle dynamics;
D O I：
10.16097/j.cnki.1009-6744.2017.06.012
中图分类号：
学科分类号：
摘要：
An improvement of Intelligent Drive Model (IDM) considering the influence of road geometrics (slope, curve and superelevation) on car-following is established. Combining the two degree freedom vehicle dynamics model, the car-following simulation of the improved IDM is carried out by using Matlab/Simulink. The simulation results show that the improved IDM following car's headway increases and speed decreases in the road with turning, super-elevation and some certain downhill or uphill gradient, which ensures the carfollowing safety. It is also found that the yaw rate and lateral velocity decrease with superelevation and radius increasing at certain gradients, which ensures the handling stability of the following car. The research results indicate that the modified IDM can more precisely response to the influence of gradients, radius and super-elevation than non-modified IDM. Copyright © 2017 by Science Press.
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页码：77 / 84
页数：7
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