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多式联运是我国交通运输业发展的必然趋势,也是目前引起多方关注的重要问题之一。最短路径的选择问题是对多式联运方案优化的核心。本文在总结前人研究成果的基础上对多式联运网络图进行了描述,并将其转化为Petri网,然后基于联运总运输成本最小,提出了一种广义最短路径的仿真算法。文末对方法的完善做了进一步展望。
Multimodal transport is an inevitable trend in the development of China’s transport industry and one of the important issues that have drawn much attention from various quarters. The choice of the shortest path is the core of the optimization of the multimodal transport scenario. Based on the summary of previous research results, this paper describes the multimodal transport network diagram and transforms it into Petri net, and then proposes a generalized shortest path simulation algorithm based on the minimum total transport cost of intermodal transport. At the end of the paper, the further improvement of the method is made.