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国家自然科学基金(10872194)

作品数:2 被引量:3H指数:1
发文基金:国家自然科学基金国家重点基础研究发展计划更多>>
相关领域:理学交通运输工程更多>>

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Recent developments in totally asymmetric simple exclusion processes with local inhomogeneity被引量:2
2011年
A totally asymmetric simple exclusion process (TASEP) has become an essential tool in modeling and analyzing non-equilibrium systems.A wide variety of TASEP models have been developed that are motivated by real-world traffic,biological transport and by the dynamics of the process itself.This paper provides an overview of recent developments in TASEP with inhomogeneity.Some important generalizations and extensions of inhomogeneous TASEP models are reviewed,and several popular mean-field techniques used to analyze the inhomogeneous TASEP models are summarized.A comparison between similar TASEP models under different updating procedures is given.Phase separations in such disordered systems have been identified.The present status of the inhomogeneous TASEP models and areas for future investigations are also described.
LIU MingZheTUO XianGuoWANG RuiLitJIANG Rui
关键词:非平衡系统平均场
A new car-following model yielding log-normal type headways distributions被引量:1
2010年
Modeling time headways between vehicles has attracted increasing interest in the traffic flow research field recently, because the corresponding statistics help to reveal the intrinsic interactions governing the vehicle dynamics. However, most previous micro-simulation models cannot yield the observed log-normal distributed headways. This paper designs a new car-following model inspired by the Galton board to reproduce the observed time-headway distributions as well as the complex traffic phenomena. The consistency between the empirical data and the simulation results indicates that this new car-following model provides a reasonable description of the car-following behaviours.
李力王法姜锐胡坚明吉岩
关键词:CAR-FOLLOWING
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