路企直通运输空车调配模型及算法研究

路企直通运输这一新的运输组织模式使传统路网空车调配问题具有了新的特征，在借鉴传统空车调配问题模型的基础上，统筹考虑卸空站、装车站、技术站的空车调配数量、路径和时机问题以及技术站始发空车专列的来源，建立基于整个运输过程费用最小化为目标的路企直通运输空车调配模型并分为技术站空车配流和路网空车调配两个问题求解，使得空车调整模型符合运输生产实际并具有普遍意义，以上海铁路局部分战略装车点配空为例加以验证，该模型的采用对路网上空车调整问题将起到很好的借鉴作用。

A Study on the Model of Empty Wagon Distribution Based on Straight Transportation between Railway and Enterprises

As a new organization, the model of empty wagon distribution based on straight transportation between railway and enterprises takes on new characteristics compared with traditional model. By analyzing the traditional modal of empty wagon distribution, taking into account the amount distribution, flowroute, occasion of distribution in unloading station, loading station and technical station and source of departing empty wagon of technical station, the paper presents a model of empty wagon for the purpose of minimizing expenditure in the whole transportation. It also provides solutions to the empty wagon distribution of technical station and railway network. Therefore, it is significant to make model of emp- ty wagon distribution conform to the practical transportation. The paper takes an example some strategic empty wagon distribution in Shanghai Railway Bureau to prove that adopting this model will have a good reference to empty wagon distribution in railway network.