Some Aspects of Heuristic Algorithms and Their Application in Decision Support Tools for Freight Railway Traffic Organization

Jacyna, Marianna; Gołębiowski, Piotr; Krześniak, M.

doi:10.20858/sjsutst.2017.96.6

Cited by 8 publications

(1 citation statement)

References 19 publications

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“…Refer to relevant modeling reference Moon, I et al [11] and Jacyna, M et al [23,24]. The distributed robust chance constraints under three cases are optimized as follows.…”

Section: Mathematical Modelmentioning

confidence: 99%

Distributed Robust Chance-Constrained Empty Container repositioning Optimization of the China Railway Express

Xing

Cai

et al. 2020

Symmetry

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In order to reduce the total cost of empty container repositioning, a multi-period empty container repositioning optimization model of the China Railway Express was established by using distributed robust chance-constrained programming based on partial information such as mean and variance of demand. This established model considered sea-land intermodal transportation, uncertain empty container demand and foldable containers. To simplify the model, the distributed robust chance constraints were transformed into equivalent ones that could be easily solved, and the empty container demands were determined. Numerical experiments were carried out to analyze the influence of different parameters on the total cost. The results showed that the total cost could be greatly reduced by sea-land intermodal transportation. Using foldable containers could reduce the total cost of empty container repositioning. With the improvement of service level, the numbers of empty container repositioning increased owing to the distributional robust chance constraints. When standard and foldable containers were used simultaneously, the total cost could be greatly reduced by appropriately using foldable containers under three different supply–demand relationships of containers. The optimization results may provide a greatly feasible reference for the decision makers of the China Railway Express.

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“…Refer to relevant modeling reference Moon, I et al [11] and Jacyna, M et al [23,24]. The distributed robust chance constraints under three cases are optimized as follows.…”

Section: Mathematical Modelmentioning

confidence: 99%

Distributed Robust Chance-Constrained Empty Container repositioning Optimization of the China Railway Express

Xing

Cai

et al. 2020

Symmetry

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Risk assessment for rail freight transport operations

Szaciłło¹,

Jacyna²,

Szczepański³

et al. 2021

Eksploatacja i Niezawodność – Maintenance and Reliability

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The aim of this article is to assess the risk of performance of rail freight transport on the basis of an analysis of identified risk areas based on statistical data on the causes of accidents that occurred on the lines of railway transport in Poland. A critical review of selected scientific studies relating to the risk assessment process for identified areas of the railway system has been undertaken. Based on statistical data, the authors analysed the causes of accidents on railway lines in 2019 in Poland and determined the probability of occurrence of a given cause. In addition, the article calculates the probability of vehicle delays for different emergency situations occurring in the performance of rail freight transport operations. This enabled the authors of the article to carry out a risk assessment of freight train delays on railway lines.

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Selected Aspects of the Train Timetable Construction of Passenger Trains With the Consideration of Platform Edges and Stabling Tracks Allocation Problem

Gołębiowski

2019

Logistics and Transport

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The aim of the article is to present a method concerning the problem of the construction of timetable from the point of view of the assignment of platform edges and stabling tracks. Taking into account these two issues in the method is extremely important from the point of view of the fluency of railway traffic, as well as minimizing railway undertaking costs related to access to the infrastructure offered by the manager in terms of occupying the platform edge above the set time. The paper describes the issues of allocating platform edges and stabling tracks in operating offices, with particular consideration of the costs related to this. The formulation of the problem of the train timetable construction was presented, including the allocation of edges and stabling tracks in a mathematical manner. In the model specified those parts that are relevant to the research problem considered in the article. In addition, the algorithm of the construction method with the use of a block diagram was discussed.

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Some Aspects of Heuristic Algorithms and Their Application in Decision Support Tools for Freight Railway Traffic Organization

Cited by 8 publications

References 19 publications

Distributed Robust Chance-Constrained Empty Container repositioning Optimization of the China Railway Express

Distributed Robust Chance-Constrained Empty Container repositioning Optimization of the China Railway Express

Risk assessment for rail freight transport operations

Selected Aspects of the Train Timetable Construction of Passenger Trains With the Consideration of Platform Edges and Stabling Tracks Allocation Problem

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