Method of using imitation models of train formation and movement in operation planning

Alexandrov, Alexander Ernstovich; Surin, Alexander Vladimirovich

doi:10.20291/1815-9400-2016-4-66-70

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2018

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“…The transport problem of linear programming cannot adequately display such complex structure. This problem is solved by using simulation modeling [6,7]. In this case, it is possible to take into consideration various technological limitations, but strict optimization is not available.…”

Section: Introductionmentioning

confidence: 99%

Optimization flow model for handling car flows at the marshalling yard

et al. 2018

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Mathematical modeling is widely used in studies of operational planning in railway transport. Mainly heuristic algorithms and simulation modeling is used in short-term planning at marshalling yards. There is an opportunity to improve the quality of planning using strict optimization models. The objective of the study was to find a way to optimize the multi-terminal transport flows of the complex structure by the example of operational planning for handling car flows at the marshalling yard. The process model was built on the basis of Mixed Integer Linear Program (MILP) method. The article provides the mathematical setting and describes results of calculations of the reference example. The LpSolve application package was used. The technological effect is estimated through checking the optimal solution on the simulation model.

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Section: Introductionmentioning

confidence: 99%