It is a core and difficult problem in railway transportation dispatch mechanism to automatically compile train operation adjustment plan with computer, which aims at safe, fast and punctual running of trains. Based on building the model of train operation adjustment under the conditions of railway netted lines, we took minimum travel time of train as objective function of optimization. We introduced the theory and method of Ordinal Optimization to solve the function after fast preliminary evaluation calculation on the theory. This paper discussed in detail the implementation steps of solving algorithm by Ordinal Optimization, and used a practical calculation example of Datong-Qinhuangdao heavy haul railway to prove that Ordinal Optimization got good enough solution with high probability, especially for complex optimization problems with large amount of calculation Ordinal Optimization greatly increased computational efficiency. Based on this method at least one order of magnitude of calculation amount was saved than that with the general heuristic algorithm. This method well satisfied the requirement in engineering practice.
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2010 Joint Rail Conference
April 27–29, 2010
Urbana, Illinois, USA
Conference Sponsors:
- Rail Transportation Division
ISBN:
978-0-7918-4907-1
PROCEEDINGS PAPER
Study on the Algorithm for Train Operation Adjustment Based on Ordinal Optimization
Yong-jun Chen,
Yong-jun Chen
Beijing Jiaotong University, Beijing, China
Search for other works by this author on:
Lei-shan Zhou
Lei-shan Zhou
Beijing Jiaotong University, Beijing, China
Search for other works by this author on:
Yong-jun Chen
Beijing Jiaotong University, Beijing, China
Lei-shan Zhou
Beijing Jiaotong University, Beijing, China
Paper No:
JRC2010-36168, pp. 451-458; 8 pages
Published Online:
October 28, 2010
Citation
Chen, Y, & Zhou, L. "Study on the Algorithm for Train Operation Adjustment Based on Ordinal Optimization." Proceedings of the 2010 Joint Rail Conference. 2010 Joint Rail Conference, Volume 2. Urbana, Illinois, USA. April 27–29, 2010. pp. 451-458. ASME. https://doi.org/10.1115/JRC2010-36168
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