期刊
APPLIED SOFT COMPUTING
卷 95, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.asoc.2020.106561
关键词
Vehicle routing problem; Time windows; Energy consumption; Artificial fish swarm algorithm; Cold chain logistic
资金
- National Science Foundation of China [61773246, 61803192]
- Shandong Province Higher Educational Science and Technology Program, China [J17KZ005]
- Key Laboratory of Computer Network and Information Integration (Southeast University), Ministry of Education, China [K93-9-2017-02]
- State Key Laboratory of Synthetical Automation for Process Industries, China [PAL-N201602]
- major basic research projects in Shandong, China [ZR2018ZB0419]
In this study, we consider a canonical vehicle routing problem (VRP) in the cold chain logistic system, where three special constraints are included, i.e., the dispatching time windows for each customer, different types of vehicles, and different energy consumptions and capacities for each vehicle. The objective is to minimize the total cost including the fixed cost and the energy consumptions. An improved artificial fish swarm (IAFS) algorithm is proposed, where a special encoding approach is designed to consider the problem feature with different type of vehicles. Then, improved preying and following heuristics are developed to perform the exploitation and exploration tasks. A novel customer satisfaction heuristic is embedded in the proposed algorithm, which makes the problem close to the reality. To further improve the performance of the algorithm, a right-shifting heuristic is designed to increase the customer satisfaction without increasing the energy consumption. An initialization heuristic based on the canonical Put Forward Insertion Heuristics (PFIH) is proposed to generate initial solutions with better performance. Finally, a set of realistic instances is generated to test the performance of the proposed algorithm, and after detailed experimental comparisons, the competitive performance of the proposed algorithm is verified. (C) 2020 Elsevier B.V. All rights reserved.
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