灾后应急救援运输路径优化模型研究
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摘要
针对目前运输路径优化模型主要依靠经验法做出决策判断的缺陷,分析了灾后救援运输过程中网络可靠度、容量可靠度、运输时间、运输物资需求量、运输损耗等各种不确定性因素;分别以时间目标、可靠性目标、损耗目标为3个优先级,运用网络图理论构建了灾后应急救援运输路径优化的多目标随机规划模型,并运用遗传算法探讨模型的求解方法;通过具体的案例来说明模型中各个参数,并通过实际的模拟计算来验证该模型的合理性和有效性。
The limitation of existing transportation route optimization was that its decision mainly relied on experience.Uncertain factors such as network reliability,capacity liability,time,transport demand,transport loss in rescue transportation were analyzed.Among them,three priority objectives,namely time,reliability and loss were determined.Multi-objective stochastic programming model with network diagram theory for rescue transportation was built.Genetic algorithm was applied to calculating.Each parameter could be illustrated by concrete example and validity of the model was verified through actual simulation.
The limitation of existing transportation route optimization was that its decision mainly relied on experience.Uncertain factors such as network reliability,capacity liability,time,transport demand,transport loss in rescue transportation were analyzed.Among them,three priority objectives,namely time,reliability and loss were determined.Multi-objective stochastic programming model with network diagram theory for rescue transportation was built.Genetic algorithm was applied to calculating.Each parameter could be illustrated by concrete example and validity of the model was verified through actual simulation.
引文
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[2]巴桑次仁,邓桂英,巴桑央金.西藏地震应急救援体系建设的探索[J].高原地震,2009,21(2):58-61.
[3]王洪,陆愈实,王莎莎.基于MATLAB的应急救援最优路径选择[J].工业安全与环保,2009,35(5):48-50.
[4]繆成,许维胜,吴启迪.大规模应急救援物资运输模型的构建与求解[J].系统工程,2006,24(11):6-12.
[5]任其亮.灰色马尔可夫模型在公路运量弹性系数预测中的应用研究[J].重庆交通大学学报:自然科学版,2009,28(2):290-293.
[6]石玉峰.战时不确定性运输路径优化研究[D].成都:西南交通大学,2006.
[7]彭锦,刘宝碇.不确定规划的研究现状及其发展前景[J].运筹与管理,2002,11(2):1-10.
[8]陈燕燕,刘小明,梁颖.可靠度在交通系统规划与管理中的应用[M].北京:人民交通出版社,2006.
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