A new coupled-map car-following model based on a transportation supernetwork framework |
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| Institution: | [1]Department of Control Science and Engineering, Tongji University, Shanghai 201804, China [2]Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China [3]Department of Electronic Engineering, City University of Hong Kong, Hong Kong SAR, China |
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| Abstract: | A new car-following model is proposed by considering information from a number of preceding vehicles with intervehicle communication.A supernetwork architecture is first described,which has two layers:a traffic network and a communication network.The two networks interact with and depend on each other.The error dynamic system around the steady state of the model is theoretically analyzed and some nonjam criteria are derived.A simple control signal is added to the model to analyze the criteria of suppressing traffic jams.The corresponding numerical simulations confirm the correctness of the theoretical analysis.Compared with previous studies concerning coupled map models,the controlled model proposed in this paper is more reasonable and also more effective in the sense that it takes into account the formation of traffic congestion. |
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| Keywords: | traffic flow coupled map car-following model inter-vehicle communication supernetwork |
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