A MARKOV-PROCESS INSPIREDCAMODEL OF HIGHWAY TRAFFIC

Fa Wang (), Li Li (), Jian-Ming Hu (), Yan Ji (), Rui Ma () and Rui Jiang ()
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Fa Wang: Department of Automation, Tsinghua University, Beijing 100084, China
Li Li: Department of Automation, Tsinghua University, Beijing 100084, China
Jian-Ming Hu: Department of Automation, Tsinghua University, Beijing 100084, China
Yan Ji: Department of Automation, Tsinghua University, Beijing 100084, China
Rui Ma: Department of Automation, Tsinghua University, Beijing 100084, China
Rui Jiang: Institute of Engineering Science, University of Science and Technology of China, Hefei 230026, China

International Journal of Modern Physics C (IJMPC), 2009, vol. 20, issue 01, 117-131

Abstract: To provide a more accurate description of the driving behaviors especially in car-following, namely a Markov-Gap cellular automata model is proposed in this paper. It views the variation of the gap between two consequent vehicles as a Markov process whose stationary distribution corresponds to the observed gap distribution. This new model provides a microscopic simulation explanation for the governing interaction forces (potentials) between the queuing vehicles, which cannot be directly measurable for traffic flow applications. The agreement between empirical observations and simulation results suggests the soundness of this new approach.

Keywords: Traffic flow; cellular automata; headway (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1142/S0129183109013509

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