Phase space reconstruction is the base of chaotic traffic flow prediction. To determine objectively the embedding delay time ¿ and embedding dimension m of real urban traffic flow time series chaotic phase space, we put forward a new kind of average calculation method. For delay time value, we first calculated its value of single day with auto-correlation and improved auto-correlation function, then we averaged seven days' values to degrade error. As to embedding dimension, we studied it with G-P algorithm and CAO algorithm respectively on base of data processing. Last, the method's feasibility was tested by analyzing the chaotic characteristics of Ji'nan city traffic flow and the reference parameters were offered, i.e. ¿=14 and m=4.


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    Title :

    Real Urban Traffic Flow Chaotic Phase Space Study


    Contributors:
    Zhang, L.D. (author) / Wang, Y. L. (author) / Sun, Zh. Q. (author) / Pan, J.Sh. (author)


    Publication date :

    2008-10-01


    Size :

    240437 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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