An Improved Macro Model for Traffic Flow and Numerical Tests

2017 ◽  
Author(s):  
W.H. Ai ◽  
Q. Chen ◽  
D.W. Liu
Keyword(s):  
Traffic Flow ◽  
Macro Model ◽  
Numerical Tests

scholarly journals An Improved Macro Model of Traffic Flow with the Consideration of Ramps and Numerical Tests

2015 ◽  
Vol 2015 ◽  
pp. 1-13 ◽  
Author(s):  
Zhongke Shi ◽  
Wenhuan Ai ◽  
Dawei Liu
Keyword(s):  
Traffic Flow ◽  
Phase Plane ◽  
Macro Model ◽  
Traffic Jams ◽  
Numerical Tests ◽  
Stop And Go ◽  
Point Equation ◽  
Improved Model ◽  
The Relationship ◽  
Real Traffic

We present an improved macro model for traffic flow based on the existing models. The equilibrium point equation of the model is obtained. The stop-and-go traffic phenomenon is described in phase plane and the relationship between traffic jams and system instability is clearly shown in the phase plane diagrams. Using the improved model, some traffic phenomena on a highway with ramps are found in this paper. The numerical simulation is carried out to investigate various nonlinear traffic phenomena with a single ramp generated by different initial densities and vehicle generation rates. According to the actual road sections of Xi’an-Baoji highways, the situations of morning peak with several ramps are also analyzed. All these results are consistent with real traffic, which shows that the improved model is reasonable.

A New Macro Model for Traffic Flow on a Highway with Ramps and Numerical Tests

2009 ◽  
Vol 51 (1) ◽  
pp. 71-78 ◽  
Author(s):  
Tang Tie-Qiao ◽  
Huang Hai-Jun ◽  
S.C Wong ◽  
Gao Zi-You ◽  
Zhang Ying
Keyword(s):  
Traffic Flow ◽  
Macro Model ◽  
Numerical Tests

An extended macro model accounting for acceleration changes with memory and numerical tests

2018 ◽  
Vol 506 ◽  
pp. 270-283 ◽  
Author(s):  
Rongjun Cheng ◽  
Hongxia Ge ◽  
Fengxin Sun ◽  
Jufeng Wang
Keyword(s):  
Macro Model ◽  
Numerical Tests ◽  
With Memory

A New Macro Model for Traffic Flow on a Highway with Bus Stop

2011 ◽  
Vol 55 (6) ◽  
pp. 1113-1118 ◽  
Author(s):  
Tie-Qiao Tang ◽  
Yan-Feng Shi ◽  
Hai-Jun Huang ◽  
Hua-Yan Shang
Keyword(s):  
Traffic Flow ◽  
Macro Model ◽  
Bus Stop
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