期刊
NONLINEAR DYNAMICS
卷 81, 期 1-2, 页码 991-1003出版社
SPRINGER
DOI: 10.1007/s11071-015-2046-9
关键词
Traffic flow; Driver's anticipation effect; Two-lane system; Optimal current difference
资金
- Chinese Universities Scientific Fund [WK0010000032]
In this paper, a new lattice hydrodynamic traffic flow model is proposed by considering the driver's anticipation effect (DAE) in sensing optimal current difference (OCD) for two-lane system. The effect of anticipation parameter on the stability of traffic flow is examined through linear stability analysis and shown that it can significantly enlarge the stability region on the phase diagram. Nonlinear analysis is conducted, and mKdV equation is derived to describe propagation behavior of a density wave near the critical point. The driver's physical delay in sensing optimal current difference effect is also investigated and found that it has different effect on two-lane traffic based on whether lane changing is allowed or not. Simulation results are found in good agreement with the theoretical findings, which confirms that traffic jam can be suppressed efficiently by considering the DAEOCD effect in a two-lane traffic system.
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