Research on Freight Train Operation Control Simulation on Long Steep Downhill Lines
Publication: ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering
Volume 7, Issue 3
Abstract
Steep ramps are often unavoidable in route design, leading to adverse effects on freight transportation organization. For operators, how to safely and effectively run trains on steep downhill lines is a challenging task. In response to the requirement, firstly, the control principles of electric freight trains, including safety demands, rapid running, use of driving modes, and periodic braking, are analyzed. Then, a fast train operation simulation algorithm (FTOSA) is proposed to realize the control principles. Finally, a real case study is carried out, and FTOSA is compared with existing simulation software in China. The results showed that FTOSA could generate a high-efficiency speed profile on long steep downhill lines under the constraints of train safety control. This work can provide some references for the operation of electric freight trains.
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Data Availability Statement
Some data, code, and models that support the findings of this study are available from the first author upon reasonable request (algorithm code of FTOSA and the data of the line).
Some modals and codes generated or used during the study are proprietary or confidential in nature and may only be provided with restrictions (data of the train traction and braking force curve can be provided in picture form; the software of GSSTM can not be provided).
Acknowledgments
This study was funded by the Fundamental Research Funds for the Central Universities (2020YJS101) and the National Natural Science Foundation of China (71971021). The authors thank International Science Editing for editing this manuscript.
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Published In
ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering
Volume 7 • Issue 3 • September 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Jan 15, 2020
Accepted: Feb 16, 2021
Published online: May 11, 2021
Published in print: Sep 1, 2021
Discussion open until: Oct 11, 2021
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Cited by
- Huazhen Yu, Guoxuan Tai, Zhengnan Lin, Youneng Huang, Research on Control Strategy of Heavy-Haul Train on Long and Steep Downgrades, Actuators, 10.3390/act11060145, 11, 6, (145), (2022).