Abnormal hysteresis effect and phase transitions in a velocity-difference dependent randomization CA model

Shou-Xin Hu, Kun Gao, Bing-Hong Wang, Yu-Feng Lu and Chuan-Ji Fu

Physica A: Statistical Mechanics and its Applications, 2007, vol. 386, issue 1, 397-406

Abstract: Additional to the basic Nagel–Schreckenberg model for single-lane traffic flow, we consider the effect of the velocity-difference between two successive vehicles on the randomization of the latter one. This modification improves the transit capacity of the model, which results in a much higher simulated flux. Moreover, in a circular road, this model simulates an abnormal hysteresis effect. The characteristic shape of hysteresis curves may shed some light on the distinguish of synchronized flow and jams.

Keywords: Traffic flow; Cellular automation; Hysteresis; Three-phase traffic theory; Synchronized flow (search for similar items in EconPapers)
Date: 2007
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:386:y:2007:i:1:p:397-406

DOI: 10.1016/j.physa.2007.08.010

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