Air express network design based on express path choices – Chinese case study |
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| Institution: | 1. Collaborative Innovation Center for Transport Studies, Dalian Maritime University, Dalian, 116026, PR China;2. Transportation Management College, Dalian Maritime University, Dalian, 116026, PR China;1. University of Pennsylvania, Department of City and Regional Planning, 210 S 34th Street #102, Philadelphia, PA 19104, USA;2. University of Pennsylvania, Department of Electrical and Systems Engineering, 200 South 33rd Street, Philadelphia, PA 19104, USA;1. Logistics Engineering College, Shanghai Maritime University, Shanghai, China;2. Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hong Kong;1. Department of Transport & Planning, Faculty of Civil Engineering and Geosciences, Delft University of Technology, 2600 GA Delft, The Netherlands;2. Transport and Logistics Group, Faculty of Technology, Policy and Management, Delft University of Technology, 2628 BX Delft, The Netherlands;1. University of Antwerp, Prinsstraat 13, 2000 Antwerp, Belgium;2. University of Leuven, Kasteelpark Arenberg 30 - box 2456, 3001 Heverlee, Belgium;1. Department of Shipping and Transportation Management, National Kaohsiung Marine University, 142 Hai-Jhuan Road, Nan-Tzu, Kaohsiung, 811, Taiwan, ROC;2. Department of Shipping and Transportation Management, National Kaohsiung Marine University, Taiwan, ROC;1. Department of Management Science, Business School, Sun Yat-sen University, Guangzhou, China;2. Department of Management Science, School of Management, Xiamen University, Xiamen, China;3. Department of Industrial Engineering and Logistics Management, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong |
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| Abstract: | Due to the shortage of cargo aircraft, Chinese express companies have to provide transportation services with a hybrid method that consists of “rented bellies and self-owned cargo aircraft”. Because the bellies are rented from air passenger companies and because the cargo aircraft are owned by the express companies, it is important for the express companies to use their cargo aircraft as effectively as possible. This paper constructs a bi-level model to optimize the flight transportation network of an express company. The upper model designs the network and allocates the transportation capacity with the objective of minimizing the total transportation cost, and the lower model calculates the link flows in user equilibrium. Data from ShunFeng (SF) Express Company (China) are used to conduct the case study. Using the model outputs, the flows on links and at nodes are analyzed to illustrate the transportation and transshipment situations. |
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| Keywords: | Air express transportation Cargo aircraft Belly transportation Bi-level model |
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