Improved distributed model predictive control for rescheduling of railway traffic by manipulation of the cost functions


Reference:
B. Kersbergen, T. van den Boom, and B. De Schutter, "Improved distributed model predictive control for rescheduling of railway traffic by manipulation of the cost functions," Proceedings of the 6th International Conference on Railway Operations Modelling and Analysis (RailTokyo2015), Narashino, Japan, 13 pp., Mar. 2015. Paper 025.

Abstract:
In this paper we introduce two distributed model predictive control (DMPC) approaches that significantly improve the quality of the solutions found compared to the DMPC approaches that were introduced by Kerbergen et al. in the paper "Distributed model predictive control for rescheduling of railway traffic" (by B. Kersbergen, T.J.J. van den Boom, and B. De Schutter, Proceedings of the 17th International IEEE Conference on Intelligent Transportation Systems (ITSC2014), Qingdao, China, pp. 2732–2737, Oct. 2014). for the rescheduling of railway traffic, while the computation time only increased by a small fraction. In DMPC the global rescheduling problem is split up into several local problems that are solved by local model predictive controllers that communicate with each other to achieve a solution for the global rescheduling problem. We improve the solution found by the DMPC approaches by adjusting the weights in the local problems such that the delay propagation through the network is reduced. We compare the performance in terms of computation time and delay reduction of the different DMPC approaches with the global model predictive control approach for different lengths of the prediction horizon.


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Bibtex entry:

@inproceedings{Kervan:15-016,
        author={B. Kersbergen and T. van den Boom and B. {D}e Schutter},
        title={Improved distributed model predictive control for rescheduling of railway traffic by manipulation of the cost functions},
        booktitle={Proceedings of the 6th International Conference on Railway Operations Modelling and Analysis (RailTokyo2015)},
        address={Narashino, Japan},
        month=mar,
        year={2015},
        note={Paper 025}
        }



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