The dispatching system of a high-speed railway system is the basis that guarantees trains that run at high speed, high density, are secure and have a good punctuality. The prediction of train operation conflicts is the main issue of train operation adjustment. In this paper, we propose the use of workflow nets and triangular fuzzy numbers to study the issues associated with predicting train operation conflicts. The linked lists for conflict prediction are built and used as tools to derive the train running states corresponding to the two operating modes of train workflow nets: the sequential mode and the alternative mode. Based on the current train running status and the triangular fuzzy numbers of times for future activities in train operation, the probabilities of all kinds of train operation conflicts that might occur can be obtained by comparing the possible end times of the workflow nets with the fixed deadlines. Hence, the prediction of train operation conflicts is realized.


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    Title :

    Predicting high-speed train operation conflicts using workflow nets and triangular fuzzy numbers




    Publication date :

    2015




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    55.30 Schienenfahrzeugtechnik, Eisenbahntechnik
    Local classification TIB:    275/7030



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