Robust empty container repositioning considering foldable containers |
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| Institution: | 1. Department of Industrial Engineering, Seoul National University, Seoul 08826, South Korea;2. Institute for Industrial Systems Innovation, Seoul National University, Seoul 08826, South Korea;1. Department of Industrial Engineering, Galatasaray University, Ortaköy, İstanbul, 34357, Türkiye;2. Department of Industrial Engineering and Logistics Management, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong;1. Department of Automation, Tsinghua University, Beijing 100084, China;2. Department of Management Sciences, College of Business, City University of Hong Kong, Hong Kong;3. Department of Management Science, College of Management, Shenzhen University, Shenzhen 518060, China;1. Delft University of Technology, Delft, The Netherlands;2. Erasmus University Rotterdam, Rotterdam, The Netherlands;3. Maersk Line BV, Rotterdam, The Netherlands |
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| Abstract: | Because of the extreme imbalance in intercontinental trade, the repositioning of empty containers creates a significant problem for shipping companies. There are many efforts to reduce the cost of repositioning empty containers, one of which is a foldable container. This paper proposes a robust formulation for the empty container repositioning problem considering foldable containers under demand uncertainty. The robust formulation can be used as a tractable approximation of a multistage stochastic programming formulation which is computationally intractable. Moreover, the robust formulation requires only limited information about the distribution of demand to replicate real-world situations. Computational results show that the proposed formulation performs well in terms of operating costs and there exists a significant cost-saving effect when foldable containers are used in maritime transportation. |
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