- ISSN 0258-2724
- CN 51-1277/U
- EI Compendex
- Scopus
- Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
- Chinese S&T Journal Citation Reports
- Chinese Science Citation Database
| Citation: | LU Gongyuan, HU Liuyang, PENG Hui, ZHANG Hongxiang, ZHANG Shoushuai. Method for Compressing Departure Tracking Interval of High-Speed Trains Based on Pre-departure Strategy[J]. Journal of Southwest Jiaotong University, 2024, 59(6): 1368-1377. doi: 10.3969/j.issn.0258-2724.20220064
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The departure tracking interval is one of the main bottlenecks that limit the 3-minute tracking operation of trains, and compressing the departure tracking interval can effectively improve line capacity. The departure tracking process of high-speed trains was first analyzed, and a pre-departure annunciator was set at a certain distance inside the outbound annunciator, making the train have a certain initial speed and shortening the remaining outbound distance when the outbound annunciator was open. At the same time, the principle of “failure-oriented safety” for the pre-departure process was put forward to ensure that the train did not cross the outbound annunciator. Then, based on the analysis of factors affecting the compression of departure tracking interval, the curves of train control mode under different pre-departure schemes were studied. Finally, the high-speed yard of Shanghai Hongqiao Station was studied, and the results show that the departure tracking interval can be compressed by the proposed method. The compression effect increases first and then decreases with the increase in the pre-departure distance, and the maximum compressible departure tracking interval can be more than 26 s if the pre-departure distance reaches 200 m of the effective lengths of the arrival-departure track.
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