| 城市交通疏散救援的元胞自动机模型 |
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| 引用本文： | 杨兆升,高学英,孙迪.城市交通疏散救援的元胞自动机模型[J].交通运输工程学报,2011(2):114-120. |
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| 作者姓名： | 杨兆升 高学英 孙迪 |
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| 作者单位： | 吉林大学汽车动态模拟国家重点实验室;吉林大学交通学院; |
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| 基金项目： | 国家863计划项目(2009AA11Z218) |
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| 摘 要： | 分析了城市内部各向车流冲突造成的车辆延误对疏散与救援决策的影响,将交叉口控制参数引入到现有的基于元胞传输模型的应急疏散救援仿真模型中,建立灾时交叉口紧急控制下的应急疏散救援仿真模型.改进后的模型以规划周期内疏散与救援加权行程时间最小为目标,并引入反流策略.仿真结果表明:由于低优先级的车流G1和G2让行高优先级车流G3和...
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| 关 键 词： | 元胞传输模型 动态交通分配 交叉口紧急控制 整数规划 反流策略 |
Cellular automata model of urban traffic emergency evacuation and rescue |
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| YANG Zhao-sheng,GAO Xue-ying,SUN Di.Cellular automata model of urban traffic emergency evacuation and rescue[J].Journal of Traffic and Transportation Engineering,2011(2):114-120. |
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| Authors: | YANG Zhao-sheng GAO Xue-ying SUN Di |
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| Institution: | YANG Zhao-sheng1,2,GAO Xue-ying2,SUN Di2(1.State Key Laboratory of Automobile Dynamic Simulation,Jilin University,Changchun 130022,Jilin,China,2.School of Transportation,China) |
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| Abstract: | The effects of vehicle delay on the emergency evacuation and rescue decision-making of all traffic flow conflicts within cities were analyzed.An intersection control parameter was introduced into the exciting simulation model of emergency evacuation and rescue,and the model was based on cell transmission model.A simulation model of emergency evacuation and rescue was built under intersection emergency control.In the improved model,the weighted travel time of emergency evacuation and rescue in planning horiz... |
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| Keywords: | cell transmission model dynamic traffic assignment intersection emergency control integer programming contraflow strategy |
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