目标规划在铁路重载运输组织中的应用
详细信息Application of Goal Programming in Railway Heavy Haul Transportation
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摘要:用目标规划模型确定重载列车开行方案.根据铁路重载运输实际,目标规划模型中设定4个优先级:第1优先级为规定的运量指标,第2～4优先级分别取决于线路能力、机车和车辆供应数量的约束.以大秦线为例建立目标规划模型,标定模型的各项参数,用单纯形法求解.计算结果是根据实际需要产生的备选方案.Abstract:Goal programming was applied to obtain the heavy haul train operation plan. Four grades of priority are defined in the goal programming model according to the practices of heavy haul transportation in China railways. The 1st priority prescribes the prescriptive transportation volume index,and the 2nd to 4th priorities depend on the capacity of the railway line and the constraints of available locomotives and vehicles. The goal programming model for Datong-Qinhuangdao railway line was derived,and its parameters were defined. The model was solved using the simplex method. The calculation results are the obtained train operation plans meeting the demands of practical heavy haul transportation.
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