Cooperative Car-Following Model of Traffic Flow and Numerical Simulation
LIU You-Jun, ZHANG Hai-Lin** , HE Li
School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074
Abstract ：Based on the impact of a desired following speed and safe distance on driving behaviour, we establish a cooperative car-following model (CCFM). The dynamics analysis results indicate that no unrealistic deceleration or collision occurs in the CCFM. Also, this model can describe the kinetic property in the processes of starting and braking. In addition, evolution of a small perturbation can be reproduced in a numerical simulation. Compared to the full velocity difference model (FVDM), the CCFM has a wider range of stability and a much smaller blocking region width. Meanwhile, the CCFM averts negative velocity, and is accordingly advanced compared with the comprehensive optimal velocity model (COVM). Moreover, the CCFM describes the deceleration process more smoothly than both the FVDM and COVM.
收稿日期: 2012-05-24
出版日期: 2012-10-01
:
45.70.Vn
(Granular models of complex systems; traffic flow)
02.60.Cb
(Numerical simulation; solution of equations)
05.70.Fh
(Phase transitions: general studies)
05.70.Jk
(Critical point phenomena)
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2012, Vol. 29 
