The Research of Car-Following Model Based on Real-Time Maximum Deceleration

Longhai Yang, Xiqiao Zhang, Jiekun Gong and Juntao Liu

Mathematical Problems in Engineering, 2015, vol. 2015, 1-9

Abstract:

This paper is concerned with the effect of real-time maximum deceleration in car-following. The real-time maximum acceleration is estimated with vehicle dynamics. It is known that an intelligent driver model (IDM) can control adaptive cruise control (ACC) well. The disadvantages of IDM at high and constant speed are analyzed. A new car-following model which is applied to ACC is established accordingly to modify the desired minimum gap and structure of the IDM. We simulated the new car-following model and IDM under two different kinds of road conditions. In the first, the vehicles drive on a single road, taking dry asphalt road as the example in this paper. In the second, vehicles drive onto a different road, and this paper analyzed the situation in which vehicles drive from a dry asphalt road onto an icy road. From the simulation, we found that the new car-following model can not only ensure driving security and comfort but also control the steady driving of the vehicle with a smaller time headway than IDM.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:642021

DOI: 10.1155/2015/642021

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