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26 April 2024 |
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Article overview
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A Markov Process Inspired Cellular Automata Model of Departure Headways | | Fa Wang
; Li Li
; Jianming Hu
; Yan Ji
; Danya Yao
; Yi Zhang
; Xuexiang Jin
; Yuelong Su
; Zheng Wei
; | | Date: |
18 Mar 2008 | | Abstract: | To accurately describe the driving behaviors in congested traffic, a namely
Markov-Gap cellular automata model is proposed in this paper. Different from
most known CA models, it gives an intuitive description of the vehicles’
stop-and-go movements in terms of the gap variation process between two
consequent vehicles and thus the associated velocity changes. More precisely,
the variation process of the gaps is first viewed and modeled as a Markov
process, where the multiformity of this Markov process provides the model
enough flexibility to describe diversified driving behaviors. Then, the
velocity adjusting process is built upon this gap-variation model. As an
example, this paper illustrates how to specialize the proposed model to
satisfactorily explain the departure headways that are observed. The agreement
between the empirical observations and the simulation results suggests the
soundness of this new approach. | | Source: | arXiv, 0803.2624 | | Services: | Forum | Review | PDF | Favorites | |
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