Time-Space Diagram Analysis of Urged Acceleration CA Model

Rui Kang; Chen Yu Huang; Kai Yang

doi:10.4028/www.scientific.net/AMR.779-780.1203

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 779-780Time-Space Diagram Analysis of Urged Acceleration...

Time-Space Diagram Analysis of Urged Acceleration CA Model

Abstract:

Based on the SDNS cellular automaton (CA) traffic model, an improved single lane traffic CA model with considering the urged acceleration and safe deceleration was proposed. The model not only simulated the interaction between vehicles, but also reproduced nonlinear phenomena which tallies with real traffic such as the synchronism flow and the metastable state. The time-space diagram of new model shows a gray synchronous band zone rather than that black blocking band zone. The range of synchronization is smaller when p_s is bigger, urging has less function, congestion area is wider. Comparing with SDNS model, with the proposed model in this paper, when emerging congestion, the combined action of urging and safe deceleration enabled system self-adjustment so that efficiently mitigated congestion.

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Periodical:

Advanced Materials Research (Volumes 779-780)

Pages:

1203-1206

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.779-780.1203

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Online since:

September 2013

Authors:

Rui Kang, Chen Yu Huang, Kai Yang

Keywords:

Cellular Automaton (CA), Computer Numerical Simulation, Metastable State, Synchronism Flow, Traffic Flow

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