Actual passing capacity calculation-simulation verification framework and operation diagram structure analysis of high-speed railway

Qingyuan Yin; Junhua Chen; Zhaocha Huang; Teer Lu

doi:10.1117/12.2689893

7 September 2023 Actual passing capacity calculation-simulation verification framework and operation diagram structure analysis of high-speed railway

Qingyuan Yin, Junhua Chen, Zhaocha Huang, Teer Lu

Author Affiliations +

Proceedings Volume 12790, Eighth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2023); 127900Q (2023) https://doi.org/10.1117/12.2689893
Event: 8th International Conference on Electromechanical Control Technology and Transportation (ICECTT 2023), 2023, Hangzhou, China

Abstract

In order to solve the problem of capacity calculation and verification in high-speed railway operation, this paper designs a real capacity calculation-simulation verification framework of high-speed railway based on the average minimum train interval method. In the capacity calculation stage, the average minimum train interval method is used to design the structural index of train operation diagram from the two perspectives of travel time and running line stability, and the average buffer time and the section occupation time of different train groups are calculated as the initial input parameters of simulation verification. In the stage of simulation verification, OpenTrack railway simulation software is used to iteratively adjust the buffer time of the train diagram, output the actual passing capacity of the train diagram, and analyze the correlation between the passing capacity and the structure of the train diagram. Finally, taking Xu-Beng section of Beijing-Shanghai high-speed railway as an example, this paper designs a series of train operation diagrams, calculates the actual passing capacity, explores the nonlinear relationship between the capacity and the structure of the train operation diagram, and points out that when the homogeneity coefficient is between [-0.07, 0.11] and the speed variance is between [183, 192], the actual passing capacity can reach [184, 187]. The structural analysis of train diagram in this paper can provide auxiliary decision support for train diagram scheduling.

Citation Download Citation

Qingyuan Yin, Junhua Chen, Zhaocha Huang, and Teer Lu "Actual passing capacity calculation-simulation verification framework and operation diagram structure analysis of high-speed railway", Proc. SPIE 12790, Eighth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2023), 127900Q (7 September 2023); https://doi.org/10.1117/12.2689893

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KEYWORDS

Computer simulations

Transportation

Analytical research

Computing systems

MATLAB

Structural design

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