Optimization of high-speed railway scheduling considering flight delays in air-rail intermodal mode
The air-rail intermodal transport model combines the high speed of air travel with the high accessibility of high-speed rail to establish a comprehensive multi-dimensional transportation network. To enhance the service quality of air-rail intermodal transport and improve passengers' travel expe...
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| Veröffentlicht in: | Shenzhen da xue xue bao. Li gong ban Jg. 42; H. 4; S. 464 - 472 |
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| Format: | Journal Article |
| Sprache: | Englisch |
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Science Press (China Science Publishing & Media Ltd.)
01.07.2025
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| ISSN: | 1000-2618 |
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| Abstract | The air-rail intermodal transport model combines the high speed of air travel with the high accessibility of high-speed rail to establish a comprehensive multi-dimensional transportation network. To enhance the service quality of air-rail intermodal transport and improve passengers' travel experience, this study investigates the optimization of high-speed railway scheduling under flight delay scenarios. Based on multi-objective optimization theory, a mixed-integer programming model is developed, aiming to maximize the number of successful air-rail connections and minimize train dwell times. The model comprehensively considers the fundamental train scheduling constraints, air-rail intermodal connection requirements, and passenger transfer penalty constraints. To improve computational efficiency of the model, strategies such as reducing decision variables and simplifying constraints are adopted, and a simulated annealing algorithm is used to solve the model. A case study involving Shijiazhuang Zhengding airport and the nearby high-speed railway station (Zhengding airport station) in China is conducted. The results show that the optimized train dwell times reduces 2%, while the number of successful air-rail connections increases by 2%. Sensitivity analysis of different parameters indicates that the frequency of flight delays and the width of time window for flight transfers have significant impacts on air-rail connectivity. The proposed optimization not only improves the operational efficiency of air-rail intermodal transport but also enhances passengers' travel experience, further promoting the application and development of air-rail integration in the modern transportation system. |
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| AbstractList | The air-rail intermodal transport model combines the high speed of air travel with the high accessibility of high-speed rail to establish a comprehensive multi-dimensional transportation network. To enhance the service quality of air-rail intermodal transport and improve passengers' travel experience, this study investigates the optimization of high-speed railway scheduling under flight delay scenarios. Based on multi-objective optimization theory, a mixed-integer programming model is developed, aiming to maximize the number of successful air-rail connections and minimize train dwell times. The model comprehensively considers the fundamental train scheduling constraints, air-rail intermodal connection requirements, and passenger transfer penalty constraints. To improve computational efficiency of the model, strategies such as reducing decision variables and simplifying constraints are adopted, and a simulated annealing algorithm is used to solve the model. A case study involving Shijiazhuang Zhengding airport and the nearby high-speed railway station (Zhengding airport station) in China is conducted. The results show that the optimized train dwell times reduces 2%, while the number of successful air-rail connections increases by 2%. Sensitivity analysis of different parameters indicates that the frequency of flight delays and the width of time window for flight transfers have significant impacts on air-rail connectivity. The proposed optimization not only improves the operational efficiency of air-rail intermodal transport but also enhances passengers' travel experience, further promoting the application and development of air-rail integration in the modern transportation system. |
| Author | YE Binbin HUANG Zhipeng CHENG Hong ZHANG Ke |
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| SubjectTerms | air-rail intermodality flight delay high-speed railway multi-objective mixed integer programming simulated annealing algorithm train operation diagram transportation planning and management |
| Title | Optimization of high-speed railway scheduling considering flight delays in air-rail intermodal mode |
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