This article first analyzes the driving characteristics of vehicles in Intelligent Vehicle Infrastructure Cooperative Systems, summarizing and proposing four characteristics, including a wider field of view, easier lane-changing conditions, less speed loss, and more flexible cooperation among vehicles than in the traditional lane-changing situation. Analysis and comparison of the update sequence in cellular automata based on the four characteristics, namely, synchronous update and asynchronous update, longitudinal vehicle sequence update and random update, horizontal express vehicle priority, and random priority. Three kinds of cooperative lane changes unique to the vehicle-road collaborative environment were discovered, which are dangerous lane change, slow car giving way, and space redistribution. The three kinds of coordinated lane change were simulated and compared with the basic diagram of the improved model and the traditional model. The results showed the horizontal faster cars priority with the asynchronous update mode of a vertical front-to-back sequential update can well simulate the coordinated lane change in the vehicle-road collaborative environment. Although slow traffic giving way will reduce the traffic flow, the simulation results based on the space redistribution show that the safe distance between cars has little effect on the traffic flow, which proves the positive effect of vehicle-road coordination in increasing traffic flow.


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    Title :

    The Effect of Two-Lane Coordinated Lane Change on Traffic Capacity in a Vehicle-Road Coordination Environment


    Additional title:

    Sae Technical Papers


    Contributors:
    Zhang, Bo (author) / Zhao, Enze (author) / Huang, Lufeng (author) / Pang, Xiaoya (author) / Zhang, Xin (author)

    Conference:

    Automotive Technical Papers ; 2020



    Publication date :

    2021-01-13




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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