Scale-Free Properties in Traffic System |
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Authors: | LI;Ke-Ping |
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Institution: | State Laboratory of Rail Traffic Control and Safety,
Beijing Jiaotong University, Beijing 100044, China |
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Abstract: | In this work, we propose a new model of evolution networks, which is based on the evolution of the traffic flow. In our method, the network growth does not take into account preferential
attachment, and the attachment of new node is independent of the degree of nodes. Our aim is that employing the theory of evolution network, we give a further understanding about the
dynamical evolution of the traffic flow. We investigate the
probability distributions and scaling properties of the proposed model. The simulation results indicate that in the
proposed model, the distribution of the output connections can
be well described by scale-free distribution. Moreover,
the distribution of the connections is largely related to the traffic
flow states, such as the exponential distribution (i.e., the
scale-free distribution) and random distribution etc. |
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Keywords: | evolution network scale-free traffic flow |
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