ABSTRACT

In this article, the multi-modal and multi-route transportation problem for hazardous materials under uncertainty is studied, and an interval 0–1 integer programming model is proposed to optimize the transportation risks and transportation costs during the transportation of hazardous materials. Factors such as freight rates and loading and unloading costs are different when the transportation modes, transportation time and transportation areas are different. Therefore, some parameters in the model are assumed as interval numbers. The proposed model is transformed to a deterministic model by the interval ranking method. In addition, a genetic algorithm is proposed to solve the model. Finally, a real-world case of the multi-modal and multi-route transportation problem for hazardous materials under uncertainty is studied to demonstrate the rationality and effectiveness of proposed model and algorithm.

摘要

本文研究了不确定性下危险品的多模式多路线运输问题，提出了区间0-1整数规划模型，以优化危险品运输过程中的运输风险和运输成本。运输方式、运输时间和运输区域不同时，运费、装卸费用等因素也不同。因此，模型中的一些参数被假定为区间数。提出的模型通过区间排序方法转换为确定性模型。此外，还提出了一种遗传算法来求解该模型。最后，