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Decoupling Passenger Flows for Improved Load Prediction

Stefan Haar 1, 2 Simon Theissing 2, 1 
1 MEXICO - Modeling and Exploitation of Interaction and Concurrency
LSV - Laboratoire Spécification et Vérification [Cachan], Inria Saclay - Ile de France
Abstract : We elaborate the approximate computation of a stochastic hybrid automaton (SHA) model, which we have developed for the analysis of perturbations in modern multi-modal transportation networks (TNs); where passengers spread the perturbations between the different modes and lines through transfers. In particular, we focus on one major bottleneck, which may arise in the approximate computation of the SHA model: the high-dimensionality of all stochastic differential equations (SDEs). They define how all considered fluid passenger loads evolve in time in a particular mode of the SHA model, which latter might exhibit jumps between its different modes only at equidistantly-spaced discrete points in time. In this context, we replace all high-dimensional SDEs set up for a particular mode of the SHA model by a set of lower-dimensional SDEs; in that we decouple all passenger flows in a mode. We proof that the resulting approximating dynamics converges to the original model dynamics if the fixed time interval between two jump layers of the SHA model approaches zero.
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Submitted on : Tuesday, March 29, 2016 - 1:29:56 PM
Last modification on : Thursday, January 20, 2022 - 5:27:44 PM
Long-term archiving on: : Monday, November 14, 2016 - 7:57:20 AM


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  • HAL Id : hal-01294498, version 1


Stefan Haar, Simon Theissing. Decoupling Passenger Flows for Improved Load Prediction. 2016. ⟨hal-01294498⟩



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