Virtual coupling is a recently introduced concept to achieve flexible and on-demand train operations. One of the main challenges in maximizing the throughput of the network is to couple trains on-the-fly efficiently at junctions. This paper presents a novel game based operation strategy optimization approach for virtual coupling trains to solve this problem. A cooperative game model representing trains coupling at junctions is first built. Due to the discrete and high-dimension characteristics of the model, the optimal solution problem has NP complexity. To find optimal operation strategies in large scale models in a reasonable time, we propose an improved particle swarm optimization algorithm by introducing self-adaptive parameters. This paper compares the strategy of train coupling at junctions generated by the proposed method with a naive strategy. The results show that the operation time is reduced by using the cooperative game based optimization approach.


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    Title :

    Train Operation Strategy Optimization of Virtual Coupling: A Cooperative Game Based Approach*


    Contributors:
    Wang, Qi (author) / Chai, Ming (author) / Wang, Haifeng (author) / Chen, Lijie (author) / Lv, Jidong (author)


    Publication date :

    2021-09-19


    Size :

    720014 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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