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物理学报. 2009, 58(7): 4500-4505.
doi: 10.7498/aps.58.4500.
平面环行交叉路口交通流的研究
- 收稿日期: 2008-09-08
- 修回日期: 2008-12-05
- 刊出日期: 2009-07-20
English Abstract
Study of the grade roundabout crossing
- Received Date:
08 September 2008
- Accepted Date:
05 December 2008
- Published Online:
20 July 2009
Abstract: In this paper，a cellular automaton model is proposed to describe the traffic flow at the grade roundabout crossing with the inner roundabout lane and the outer roundabout lane. Simulation results show that the traffic jam appears evidently at the intersection of the inner roundabout lane and the entering lane. The effect of the nonlinear reciprocity of the vehicle in the inner roundabout lane increases and the flux decreases with the increase of the deceleration probability. The flux of the system is improved by the increase of the turning probability.
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