Katsuhiro Nishinari 2001 J. Phys. A: Math. Gen. 34 10727 doi:10.1088/0305-4470/34/48/334
Katsuhiro Nishinari
Show affiliationsA new cellular automaton (CA) model of traffic flow in the Lagrange form is proposed in this paper. We study the algebraic relationship between models with the Lagrange form and the Euler form of Burger's CA, which is constructed from Burger's equation using the ultradiscrete method. It is found that the Lagrange form has made the description of traffic flow in one lane simpler. Thus we have extended a simple Lagrange model to include the effects of inertia of cars and drivers' perspective. The extended model shows metastable states and complex phase transition from a free to congested state, which is similar to the observed data for expressways.
60K30 Applications (congestion, allocation, storage, traffic, etc.) (See also 90Bxx)
82B26 Phase transitions (general)
Issue 48 (7 December 2001)
Received 2 April 2001, in final form 25 July 2001
Published 23 November 2001
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