STABILIZATION ANALYSIS AND MODIFIED KdV EQUATION OF LATTICE MODELS WITH CONSIDERATION OF RELATIVE CURRENT

Zhipeng Li (), Xingli Li () and Fuqiang Liu ()
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Zhipeng Li: Department of Information and Communication Engineering, Tongji University, Shanghai 200092, China
Xingli Li: Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China
Fuqiang Liu: Department of Information and Communication Engineering, Tongji University, Shanghai 200092, China

International Journal of Modern Physics C (IJMPC), 2008, vol. 19, issue 08, 1163-1173

Abstract: In this paper, the lattice model which depends not only on the difference of the optimal current and the local current but also on the relative current is presented and analyzed in detail. We derive the stability condition of the extended model by considering a small perturbation around the homogeneous flow solution with finding that the improvement in the stability of the traffic flow is obtained by taking into account the relative current, which is also confirmed by direct simulations. Moreover, from the nonlinear analysis to the extended models, the relative current dependence of the propagating kink solutions for traffic jam is obtained by deriving the modified KdV equation near the critical point by using the reductive perturbation method.

Keywords: Traffic flow; lattice model; relative current; numerical simulation; 45.70.Vn; 89.40.-a; 02.60.Cb; 05.70.Fh (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (3)

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DOI: 10.1142/S0129183108012868

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