基于成本与时效的铁路空车调配优化模型研究

摘要

针对既有的铁路空车调配问题研究缺乏可靠性,且模型多数使用货主满意度的情况,本文提出了一种考虑时效性的空车调配多目标优化方法.通过分析铁路空车调配过程,基于成本与时效性,定义了空车调配过程的可靠性,建立了运输企业成本最小和运输效益最大的多目标优化模型,并计算得到整个过程的可靠性值.最后,应用LINGO编程软件进行了实例计算,与既有研究方法比较的结果表明,该方法的实用性良好.%Given that the existing study on railway empty car allocation lacks reliability and most models use owner satisfaction, a new multi-objective optimization model involved in timeliness was presented in this paper.By analyzing railway empty wagon and based on the cost and timeliness, the reliability of this process was defined, and a multi-objective optimization model with the least cost and the largest benef distribution it was established.Furthermore, the reliability value of the whole process was calculated.Finally, a numerical example was used to demonstrate the effectiveness of this method with LINGO software.Compared with the existing research methods, results show that the method proposed in this paper is practical.